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NDT & QA/QC Jobs and Study Materials
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#NDT Technician, inspector, Engineering etc. jobs and knowledgeable post update here related to #VT #DPT #MPI #UT #RT #QA #QC #welding #piping etc.
NDT & QA/QC Jobs and Study Materials (English)
Are you a NDT Technician, inspector, engineer, or someone interested in the field of non-destructive testing and quality assurance/quality control? Look no further! Join our Telegram channel, Nondestructivetestings, where we provide regular updates on job opportunities and study materials related to various NDT techniques such as VT, DPT, MPI, UT, RT, as well as QA/QC, welding, and piping. Whether you are looking for a new job in the industry or want to stay informed about the latest developments and best practices, our channel is the perfect place for you. We curate knowledgeable posts that will keep you updated on the latest trends, techniques, and job openings in the NDT and QA/QC field. By joining our channel, you will have access to valuable resources that can help you advance your career and stay ahead of the curve in this fast-paced industry. Our community of like-minded professionals is always ready to share insights, tips, and advice to support your professional growth. Don't miss out on the opportunity to connect with other NDT professionals, stay informed about job opportunities, and access study materials that can enhance your knowledge and skills. Join Nondestructivetestings today and take your career in NDT and QA/QC to the next level!
NDT & QA/QC Jobs and Study Materials
02 Feb, 07:26
In industrial facilities, Corrosion Under Insulation (CUI) is one of the most persistent and damaging problems.
The image here shows a striking case of severe CUI, where deteriorated insulation allowed moisture to seep in and corrode the pipe beneath. Left unchecked, CUI can lead to equipment failures, safety risks, costly repairs, and downtime.
What Causes CUI? ๐
1 Moisture Ingress: Damaged or poorly sealed insulation allows water (from rain, humidity, or leaks) to penetrate and become trapped against the pipe.
2 Temperature Cycling: Heating and cooling cycles create condensation within the insulation, especially in environments with temperature fluctuations.
3 Insulation Type: Some insulation materials,
particularly those with poor water resistance, trap moisture rather than repel it.
4 Chemical Contaminants: Chlorides, acids, or other contaminants can exacerbate corrosion once moisture is present.
The image here shows a striking case of severe CUI, where deteriorated insulation allowed moisture to seep in and corrode the pipe beneath. Left unchecked, CUI can lead to equipment failures, safety risks, costly repairs, and downtime.
What Causes CUI? ๐
1 Moisture Ingress: Damaged or poorly sealed insulation allows water (from rain, humidity, or leaks) to penetrate and become trapped against the pipe.
2 Temperature Cycling: Heating and cooling cycles create condensation within the insulation, especially in environments with temperature fluctuations.
3 Insulation Type: Some insulation materials,
particularly those with poor water resistance, trap moisture rather than repel it.
4 Chemical Contaminants: Chlorides, acids, or other contaminants can exacerbate corrosion once moisture is present.
NDT & QA/QC Jobs and Study Materials
31 Jan, 01:35
*Fitness for Service Assessment: A Pipeline Example*
In a scenario where a 24-inch pipeline, designed with an initial thickness of 12 mm, has been transferring crude oil for a decade, an inline inspection using intelligent pigs detected anomalies such as corrosion, cracks, and dents. While most anomalies were minor and within acceptable limits, one section showed severe corrosion, with only 3 mm of material remaining. This significant reduction in thickness poses a serious safety risk, necessitating a Fitness for Service (FFS) assessment.
FFS assessments are crucial for determining if an asset can safely continue in service. They are typically conducted in two levels: a low-level screening assessment to quickly identify critical components, and a high-level detailed assessment for a comprehensive evaluation. API-579 provides guidelines for operating equipment with minor damage without the need for immediate replacement or repair. This standard covers a range of damage types, including cracks, localized corrosion, dents, and more, and offers tools to project the remaining life and in-service margin of the asset. In this case, a detailed FFS assessment is essential to determine if the pipeline can safely remain in operation or if immediate action is required to prevent potential failure.
In a scenario where a 24-inch pipeline, designed with an initial thickness of 12 mm, has been transferring crude oil for a decade, an inline inspection using intelligent pigs detected anomalies such as corrosion, cracks, and dents. While most anomalies were minor and within acceptable limits, one section showed severe corrosion, with only 3 mm of material remaining. This significant reduction in thickness poses a serious safety risk, necessitating a Fitness for Service (FFS) assessment.
FFS assessments are crucial for determining if an asset can safely continue in service. They are typically conducted in two levels: a low-level screening assessment to quickly identify critical components, and a high-level detailed assessment for a comprehensive evaluation. API-579 provides guidelines for operating equipment with minor damage without the need for immediate replacement or repair. This standard covers a range of damage types, including cracks, localized corrosion, dents, and more, and offers tools to project the remaining life and in-service margin of the asset. In this case, a detailed FFS assessment is essential to determine if the pipeline can safely remain in operation or if immediate action is required to prevent potential failure.
NDT & QA/QC Jobs and Study Materials
29 Jan, 12:11
Welding is a critical process in industries ranging from construction to manufacturing. Two common techniques in vertical welding are up welding (vertical up) and down welding (vertical down), each with its own strengths and applications. Here's a quick comparison to help you decide which one to use for your next project:
1. Up Welding (Vertical Up)
Process: The weld progresses upward, starting from the bottom of the joint and moving up.
Strength: Produces stronger welds due to better penetration and fusion.
Control: Slower process with greater control over the weld pool, making it ideal for thicker materials and critical joints.
Common Uses: Structural components, pressure vessels, and projects requiring high strength.
2. Down Welding (Vertical Down)
Process: The weld progresses downward, starting at the top of the joint and moving down.
Speed: Faster process, making it more efficient for thin materials.
Control: Less penetration, suitable for less critical applications.
Common Uses: Sheet metal, pipelines, and non-structural components.
Key Takeaway:
Choose up welding for thicker materials and when weld strength is a priority.
Opt for down welding when working on thin materials or when speed is essential.
1. Up Welding (Vertical Up)
Process: The weld progresses upward, starting from the bottom of the joint and moving up.
Strength: Produces stronger welds due to better penetration and fusion.
Control: Slower process with greater control over the weld pool, making it ideal for thicker materials and critical joints.
Common Uses: Structural components, pressure vessels, and projects requiring high strength.
2. Down Welding (Vertical Down)
Process: The weld progresses downward, starting at the top of the joint and moving down.
Speed: Faster process, making it more efficient for thin materials.
Control: Less penetration, suitable for less critical applications.
Common Uses: Sheet metal, pipelines, and non-structural components.
Key Takeaway:
Choose up welding for thicker materials and when weld strength is a priority.
Opt for down welding when working on thin materials or when speed is essential.
NDT & QA/QC Jobs and Study Materials
24 Jan, 04:13
Book Available Now on
Find these titles on ๐ Google Play book store (eBook & Audiobook formats) and in local eBook stores worldwide.
Find these titles on ๐ Google Play book store (eBook & Audiobook formats) and in local eBook stores worldwide.
NDT & QA/QC Jobs and Study Materials
24 Jan, 04:11
ensure tank integrity.
4. Tensile Strength and Toughness: To handle the mechanical stresses during operation.
---
Material Thickness
Minimum material thickness is specified for various parts of the tank, including shell, bottom, and roof, depending on the tank size, height, and design pressure.
By adhering to API 650, tank materials are selected to ensure durability, safety, and compliance with industry standards.
4. Tensile Strength and Toughness: To handle the mechanical stresses during operation.
---
Material Thickness
Minimum material thickness is specified for various parts of the tank, including shell, bottom, and roof, depending on the tank size, height, and design pressure.
By adhering to API 650, tank materials are selected to ensure durability, safety, and compliance with industry standards.
NDT & QA/QC Jobs and Study Materials
23 Jan, 10:06
UG-27(c) versus Appendix 1-1
According to ASME Section VIII Division 1, UG-27(c) and Appendix 1-1 are two alternative formulas for calculating the required thickness of a cylindrical pressure vessel under internal pressure. UG-27(c) uses the vessel's inside diameter, while Appendix 1-1 uses the outside diameter.
As you know, when calculating thickness, we must consider the corroded condition. This means:
โข If using UG-27(c), the inside radius must include the corrosion allowance.
โข If using Appendix 1-1, the corrosion allowance is not added to the outside radius.
Mathematically, these two formulas are equivalent and generally produce very similar results (as shown in the picture).
When Do We Use Appendix 1-1?
In most cases, when designing a new pressure vessel, UG-27(c) is preferred since it is more convenient to define the inside diameter.
However, there are situations where Appendix 1-1 is more practical. One example is an in-service pressure vessel with no existing drawings or calculations. In such cases, the vessel's circumference can be measured and converted into the outside diameter, making Appendix 1-1 the suitable choice for determining the required thickness.
According to ASME Section VIII Division 1, UG-27(c) and Appendix 1-1 are two alternative formulas for calculating the required thickness of a cylindrical pressure vessel under internal pressure. UG-27(c) uses the vessel's inside diameter, while Appendix 1-1 uses the outside diameter.
As you know, when calculating thickness, we must consider the corroded condition. This means:
โข If using UG-27(c), the inside radius must include the corrosion allowance.
โข If using Appendix 1-1, the corrosion allowance is not added to the outside radius.
Mathematically, these two formulas are equivalent and generally produce very similar results (as shown in the picture).
When Do We Use Appendix 1-1?
In most cases, when designing a new pressure vessel, UG-27(c) is preferred since it is more convenient to define the inside diameter.
However, there are situations where Appendix 1-1 is more practical. One example is an in-service pressure vessel with no existing drawings or calculations. In such cases, the vessel's circumference can be measured and converted into the outside diameter, making Appendix 1-1 the suitable choice for determining the required thickness.
NDT & QA/QC Jobs and Study Materials
22 Jan, 08:39
Book Available Now on
Find these titles on ๐ Google Play book store (eBook & Audiobook formats) and in local eBook stores worldwide.
๐ก Simply search the book cover and titles on Google ๐ to discover.
Find these titles on ๐ Google Play book store (eBook & Audiobook formats) and in local eBook stores worldwide.
๐ก Simply search the book cover and titles on Google ๐ to discover.
NDT & QA/QC Jobs and Study Materials
22 Jan, 08:07
๐๐ก๐๐ญ ๐๐ซ๐ ๐ญ๐ก๐ ๐๐๐ฏ๐๐ง๐ญ๐๐ ๐๐ฌ ๐๐ง๐ ๐๐ข๐ฌ๐๐๐ฏ๐๐ง๐ญ๐๐ ๐๐ฌ ๐จ๐ ๐ ๐๐ฆ๐ฆ๐ ๐ซ๐๐ฒ๐ฌ ๐ฐ๐ก๐๐ง ๐๐จ๐ฆ๐ฉ๐๐ซ๐๐ ๐ฐ๐ข๐ญ๐ก ๐-๐ซ๐๐ฒ๐ฌ ๐๐จ๐ซ ๐ซ๐๐๐ข๐จ๐ ๐ซ๐๐ฉ๐ก๐ข๐ ๐ข๐ง๐ฌ๐ฉ๐๐๐ญ๐ข๐จ๐ง?
Gamma rays and X-rays are both forms of electromagnetic radiation used in radiographic inspection for welding, but they have distinct characteristics and applications. Hereโs a comparison of their differences:
๐จ๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ฟ-๐๐๐๐
- No electrical or water supplies needed
- Equipment smaller and lighter
- More portable
- Equipment simpler and more robust
- More easily accessed
- Less scatter
- Equipment initially less costly
- Greater penetrating power
๐ซ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ฟ-๐๐๐๐
- Poorer quality radiographs
- Exposure times can be longer
- Sources need replacing
- Radiation cannot be switched off
- Poorer geometric unsharpness
- Remote handling necessary
๐๐๐๐๐ซ๐๐ง๐๐: ๐๐๐ - ๐๐ฅ๐จ๐๐๐ฅ
๐ช๐๐๐๐๐๐๐๐๐
In summary, gamma rays and X-rays differ in their origin, energy levels, penetration abilities, safety considerations, equipment complexity, regulatory requirements, costs, and applications. The choice between the two depends on the specific requirements of the inspection, including the thickness and type of material being inspected, as well as safety and regulatory considerations.
Gamma rays and X-rays are both forms of electromagnetic radiation used in radiographic inspection for welding, but they have distinct characteristics and applications. Hereโs a comparison of their differences:
๐จ๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ฟ-๐๐๐๐
- No electrical or water supplies needed
- Equipment smaller and lighter
- More portable
- Equipment simpler and more robust
- More easily accessed
- Less scatter
- Equipment initially less costly
- Greater penetrating power
๐ซ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ฟ-๐๐๐๐
- Poorer quality radiographs
- Exposure times can be longer
- Sources need replacing
- Radiation cannot be switched off
- Poorer geometric unsharpness
- Remote handling necessary
๐๐๐๐๐ซ๐๐ง๐๐: ๐๐๐ - ๐๐ฅ๐จ๐๐๐ฅ
๐ช๐๐๐๐๐๐๐๐๐
In summary, gamma rays and X-rays differ in their origin, energy levels, penetration abilities, safety considerations, equipment complexity, regulatory requirements, costs, and applications. The choice between the two depends on the specific requirements of the inspection, including the thickness and type of material being inspected, as well as safety and regulatory considerations.
NDT & QA/QC Jobs and Study Materials
21 Jan, 14:38
Why the crack happened ??
Cold Crack Type:
1. Residual stress caused by the pull from both materials can lead to cracks in the weld metal.
2. Environmental factors, such as rapid cooling, can cause embrittlement of the weld metal, especially in high-carbon materials.
3. Surface preparation before welding is crucial, as impurities (such as phosphorus and sulfur) can weaken the grain boundaries and accumulate in the last solidification areas.
4. Preheating is necessary to prevent rapid cooling and reduce the risk of hydrogen entrapment in the weld metal due to moisture.
5. Low toughness/ductility can occur due to high heat input followed by rapid cooling.
The primary causes of cold cracks are high residual stresses and low ductility of the weld metal.
Prevention:
1. Use strong back or increase the number of tack welds.
2. Avoid high heat input.
3. Perform preheating to prevent rapid cooling and ensure better weld quality
Cold Crack Type:
1. Residual stress caused by the pull from both materials can lead to cracks in the weld metal.
2. Environmental factors, such as rapid cooling, can cause embrittlement of the weld metal, especially in high-carbon materials.
3. Surface preparation before welding is crucial, as impurities (such as phosphorus and sulfur) can weaken the grain boundaries and accumulate in the last solidification areas.
4. Preheating is necessary to prevent rapid cooling and reduce the risk of hydrogen entrapment in the weld metal due to moisture.
5. Low toughness/ductility can occur due to high heat input followed by rapid cooling.
The primary causes of cold cracks are high residual stresses and low ductility of the weld metal.
Prevention:
1. Use strong back or increase the number of tack welds.
2. Avoid high heat input.
3. Perform preheating to prevent rapid cooling and ensure better weld quality
NDT & QA/QC Jobs and Study Materials
21 Jan, 14:37
The responsibility of a Mechanical Quality Control (QC) Inspector is to ensure that mechanical components, systems, and processes comply with established quality standards, specifications, and regulatory requirements. Their duties typically include:
1. Inspection and Testing
Conduct inspections of mechanical components, assemblies, and systems.
Perform dimensional, visual, and non-destructive testing (NDT) to verify quality.
Ensure equipment and materials meet design and specification requirements.
2. Documentation
Review and maintain inspection and test records.
Verify material test certificates, welding documents, and equipment calibration records.
Prepare and submit inspection reports and non-conformance reports (NCRs) if necessary.
3. Compliance Verification
Ensure compliance with international and industry standards such as ASME, API, or ISO.
Verify adherence to project drawings, specifications, and codes.
4. Monitoring and Oversight
Oversee fabrication, assembly, and installation activities.
Monitor welding, machining, and other mechanical processes to ensure quality.
5. Problem Resolution
Identify and report defects or non-conformities.
Collaborate with engineers and production teams to resolve quality issues.
6. Preventive Actions
Conduct root cause analysis for recurring quality issues.
Recommend process improvements to minimize defects and enhance quality.
7. Health and Safety
Ensure adherence to safety procedures during inspections and testing.
Promote a safe working environment by addressing potential hazards.
8. Communication
Coordinate with project managers, engineers, and clients regarding quality concerns.
Participate in quality audits and meetings to align quality goals.
1. Inspection and Testing
Conduct inspections of mechanical components, assemblies, and systems.
Perform dimensional, visual, and non-destructive testing (NDT) to verify quality.
Ensure equipment and materials meet design and specification requirements.
2. Documentation
Review and maintain inspection and test records.
Verify material test certificates, welding documents, and equipment calibration records.
Prepare and submit inspection reports and non-conformance reports (NCRs) if necessary.
3. Compliance Verification
Ensure compliance with international and industry standards such as ASME, API, or ISO.
Verify adherence to project drawings, specifications, and codes.
4. Monitoring and Oversight
Oversee fabrication, assembly, and installation activities.
Monitor welding, machining, and other mechanical processes to ensure quality.
5. Problem Resolution
Identify and report defects or non-conformities.
Collaborate with engineers and production teams to resolve quality issues.
6. Preventive Actions
Conduct root cause analysis for recurring quality issues.
Recommend process improvements to minimize defects and enhance quality.
7. Health and Safety
Ensure adherence to safety procedures during inspections and testing.
Promote a safe working environment by addressing potential hazards.
8. Communication
Coordinate with project managers, engineers, and clients regarding quality concerns.
Participate in quality audits and meetings to align quality goals.
NDT & QA/QC Jobs and Study Materials
17 Jan, 12:29
PIPELINE REPAIR & MAINTENANCE
Pipeline repair and maintenance encompass a wide range of activities to ensure the integrity, safety, and operational efficiency of pipeline systems. Key aspects include inspection and monitoring, where techniques like visual inspections, in-line inspections using smart pigs, and external aerial or ground surveys are employed, guided by standards like API 570 and ASME B31.4.
Preventive maintenance involves cleaning with pigging, corrosion protection through coatings and cathodic protection, and valve maintenance, adhering to codes such as NACE SP0169 and API 6D. Corrective maintenance addresses issues like leak repairs with clamps, sleeves, or welding, and section replacements, following standards like ASME PCC-2.
Data management is critical for maintaining records, performing trend analyses, and risk assessments. Safety and training ensure employee readiness and compliance with emergency response plans, while regulatory compliance focuses on adherence to industry standards and regular audits. Together, these measures form a comprehensive framework for maintaining pipeline reliability and safety .
Pipeline repair and maintenance encompass a wide range of activities to ensure the integrity, safety, and operational efficiency of pipeline systems. Key aspects include inspection and monitoring, where techniques like visual inspections, in-line inspections using smart pigs, and external aerial or ground surveys are employed, guided by standards like API 570 and ASME B31.4.
Preventive maintenance involves cleaning with pigging, corrosion protection through coatings and cathodic protection, and valve maintenance, adhering to codes such as NACE SP0169 and API 6D. Corrective maintenance addresses issues like leak repairs with clamps, sleeves, or welding, and section replacements, following standards like ASME PCC-2.
Data management is critical for maintaining records, performing trend analyses, and risk assessments. Safety and training ensure employee readiness and compliance with emergency response plans, while regulatory compliance focuses on adherence to industry standards and regular audits. Together, these measures form a comprehensive framework for maintaining pipeline reliability and safety .
NDT & QA/QC Jobs and Study Materials
17 Jan, 12:28
๐๐ก๐๐ญ ๐๐ซ๐ ๐ญ๐ก๐ ๐๐ข๐๐๐๐ซ๐๐ง๐๐๐ฌ ๐๐๐ญ๐ฐ๐๐๐ง ๐๐จ๐ฅ๐ญ๐๐ ๐ฃ๐จ๐ข๐ง๐ญ ๐ข๐ง๐ญ๐๐ ๐ซ๐ข๐ญ๐ฒ ๐๐ง๐ ๐ฐ๐๐ฅ๐๐๐ ๐ฃ๐จ๐ข๐ง๐ญ ๐ข๐ง๐ญ๐๐ ๐ซ๐ข๐ญ๐ฒ?
The integrity of bolted joints and welded joints is crucial in engineering applications, particularly in structures, pipelines, and machinery. Here are the key differences between bolted joint integrity and welded joint integrity in the following table:
In summary, bolted and welded joint integrity each has distinct characteristics, advantages, and disadvantages. The choice between the two methods depends on various factors, including the specific application, required strength, ease of maintenance, environmental conditions, and cost considerations. Understanding these differences is essential for ensuring the reliability and safety of engineering structures and systems.
The integrity of bolted joints and welded joints is crucial in engineering applications, particularly in structures, pipelines, and machinery. Here are the key differences between bolted joint integrity and welded joint integrity in the following table:
In summary, bolted and welded joint integrity each has distinct characteristics, advantages, and disadvantages. The choice between the two methods depends on various factors, including the specific application, required strength, ease of maintenance, environmental conditions, and cost considerations. Understanding these differences is essential for ensuring the reliability and safety of engineering structures and systems.
NDT & QA/QC Jobs and Study Materials
17 Jan, 12:27
๐ ๐๐ก๐๐ญ ๐ข๐ฌ ๐ญ๐ก๐ ๐๐ข๐๐๐๐ซ๐๐ง๐ญ ๐๐๐ญ๐ฐ๐๐๐ง ๐๐๐ 6๐ ๐๐ง๐ ๐๐๐๐ ๐16.34 ๐ฏ๐๐ฅ๐ฏ๐๐ฌ?
1. ๐๐จ๐ซ๐ ๐๐จ๐ฅ๐ In the petroleum and natural gas industry, it's crucial to ensure that bore holes in equipment like API 6D valves are not reduced in size. This is primarily due to the nature of the fluids involved, often crude oil with high viscosity, which can lead to the deposition of substances on the inner walls of pipes. In some cases, these deposits can accumulate to the point of blocking the pipe entirely. To combat this issue, a specialized piece of equipment called a "pig" is used to clear these deposits from the pipes. For this process to be effective, it's essential that the valve bore is large enough to allow the pig to pass through. Therefore, using a reduced bore valve in the petroleum and natural gas industry is not feasible, as it would impede the efficient operation of the pigging process.
2. ๐๐ก๐ ๐๐ซ๐๐ฌ๐ฌ๐ฎ๐ซ๐ ๐๐๐ฅ๐ข๐๐ Since the petroleum and natural gas are sensitive fluid, the pressure increases when the temperature is going up. When the valve is close, some fluid will trap at the cavity, and the pressure will even exceed the rating class and that is very dangerous. So liquid service shall be provided with an automatic cavity pressure relief. Here is the working principle: When the cavity pressure exceeds the line pressure , the seat is forced away from the gate surface, allowing the excess cavity pressure to be vented into the line.
3. ๐ ๐ข๐ซ๐ ๐๐๐๐ When fire happens, the seal performance is important for API 6D vales, since they are used for flammable liquid or gas. In addition to soft seal, there is a metal seated behind the soft seat as the secondary seal. When fire happen, and soft seat broken, the spring pushes metal seat against the disc and form the seal for the valve. The above is the 3 main differences between standard API6D and ASME B16.34.
Activate to view larger image,
1. ๐๐จ๐ซ๐ ๐๐จ๐ฅ๐ In the petroleum and natural gas industry, it's crucial to ensure that bore holes in equipment like API 6D valves are not reduced in size. This is primarily due to the nature of the fluids involved, often crude oil with high viscosity, which can lead to the deposition of substances on the inner walls of pipes. In some cases, these deposits can accumulate to the point of blocking the pipe entirely. To combat this issue, a specialized piece of equipment called a "pig" is used to clear these deposits from the pipes. For this process to be effective, it's essential that the valve bore is large enough to allow the pig to pass through. Therefore, using a reduced bore valve in the petroleum and natural gas industry is not feasible, as it would impede the efficient operation of the pigging process.
2. ๐๐ก๐ ๐๐ซ๐๐ฌ๐ฌ๐ฎ๐ซ๐ ๐๐๐ฅ๐ข๐๐ Since the petroleum and natural gas are sensitive fluid, the pressure increases when the temperature is going up. When the valve is close, some fluid will trap at the cavity, and the pressure will even exceed the rating class and that is very dangerous. So liquid service shall be provided with an automatic cavity pressure relief. Here is the working principle: When the cavity pressure exceeds the line pressure , the seat is forced away from the gate surface, allowing the excess cavity pressure to be vented into the line.
3. ๐ ๐ข๐ซ๐ ๐๐๐๐ When fire happens, the seal performance is important for API 6D vales, since they are used for flammable liquid or gas. In addition to soft seal, there is a metal seated behind the soft seat as the secondary seal. When fire happen, and soft seat broken, the spring pushes metal seat against the disc and form the seal for the valve. The above is the 3 main differences between standard API6D and ASME B16.34.
Activate to view larger image,
NDT & QA/QC Jobs and Study Materials
16 Jan, 05:05
โ Carbides Precipitation in Stainless Steel โ
โ Carbide precipitation happens in stainless steel, when chromium and carbon react at high temperatures. This reaction forms chromium carbides at edges of grains. It makes steel less resistant to rust (Damaged).
โ Titanium makes stable titanium carbides, which grab carbon. This stops carbon from forming chromium carbides, helping prevent rust problems, especially at high temperatures.
โ Carbide precipitation harms the corrosion resistance of stainless steel by causing sensitization. When chromium carbides form at grain edges, they use up the nearby chromium, which is needed to resist rust. The areas with less chromium can be easily damaged by localized rust attacks. This risk is higher in types like 304 and 316 when they are heated at certain temperature range during welding or heat treatment. To prevent this, use low-carbon grades or add elements like titanium.
- Below image captured before 1 year
- Magnification: 1000x
- Actual grade don't remember
- Etchant used: 10% Electrolyte Oxalic Acid
๐ I welcome your valuable inputs โ๏ธ
โ Carbide precipitation happens in stainless steel, when chromium and carbon react at high temperatures. This reaction forms chromium carbides at edges of grains. It makes steel less resistant to rust (Damaged).
โ Titanium makes stable titanium carbides, which grab carbon. This stops carbon from forming chromium carbides, helping prevent rust problems, especially at high temperatures.
โ Carbide precipitation harms the corrosion resistance of stainless steel by causing sensitization. When chromium carbides form at grain edges, they use up the nearby chromium, which is needed to resist rust. The areas with less chromium can be easily damaged by localized rust attacks. This risk is higher in types like 304 and 316 when they are heated at certain temperature range during welding or heat treatment. To prevent this, use low-carbon grades or add elements like titanium.
- Below image captured before 1 year
- Magnification: 1000x
- Actual grade don't remember
- Etchant used: 10% Electrolyte Oxalic Acid
๐ I welcome your valuable inputs โ๏ธ
NDT & QA/QC Jobs and Study Materials
15 Jan, 07:48
๐๐ก๐๐ญ ๐๐ซ๐ ๐ญ๐ก๐ ๐๐ข๐๐๐๐ซ๐๐ง๐๐๐ฌ ๐๐๐ญ๐ฐ๐๐๐ง ๐๐จ๐ฅ๐ญ๐๐ ๐ฃ๐จ๐ข๐ง๐ญ ๐ข๐ง๐ญ๐๐ ๐ซ๐ข๐ญ๐ฒ ๐๐ง๐ ๐ฐ๐๐ฅ๐๐๐ ๐ฃ๐จ๐ข๐ง๐ญ ๐ข๐ง๐ญ๐๐ ๐ซ๐ข๐ญ๐ฒ?
The integrity of bolted joints and welded joints is crucial in engineering applications, particularly in structures, pipelines, and machinery. Here are the key differences between bolted joint integrity and welded joint integrity in the following table:
In summary, bolted and welded joint integrity each has distinct characteristics, advantages, and disadvantages. The choice between the two methods depends on various factors, including the specific application, required strength, ease of maintenance, environmental conditions, and cost considerations. Understanding these differences is essential for ensuring the reliability and safety of engineering structures and systems.
The integrity of bolted joints and welded joints is crucial in engineering applications, particularly in structures, pipelines, and machinery. Here are the key differences between bolted joint integrity and welded joint integrity in the following table:
In summary, bolted and welded joint integrity each has distinct characteristics, advantages, and disadvantages. The choice between the two methods depends on various factors, including the specific application, required strength, ease of maintenance, environmental conditions, and cost considerations. Understanding these differences is essential for ensuring the reliability and safety of engineering structures and systems.
NDT & QA/QC Jobs and Study Materials
10 Jan, 09:49
Date of vacancy post - 10-01-2025
REQUIREMENT FOR MS INDUTECH UAE
Multi NDT Technicians
Job Duration : Long-term
Mobilization : Immediate
Salary : Fixed based on experience & interview evaluation
Minimum 3 years of post-certification experience is mandatory in PCN or CSWIP
Certificates by ISO 9712 program based are not acceptable.
Total work experience - 3-5 years
Education - Diploma & Engineering
hands on experience in different methods - UTG, UT weld scan, MT, PT, HT, PMI.
Shall familiar with applicable codes and standards
Perform inspections and prepare inspection reports
Familiarize in various NDT equipment.
Interested candidates share resume at [email protected] or call on +971504614749
REQUIREMENT FOR MS INDUTECH UAE
Multi NDT Technicians
Job Duration : Long-term
Mobilization : Immediate
Salary : Fixed based on experience & interview evaluation
Minimum 3 years of post-certification experience is mandatory in PCN or CSWIP
Certificates by ISO 9712 program based are not acceptable.
Total work experience - 3-5 years
Education - Diploma & Engineering
hands on experience in different methods - UTG, UT weld scan, MT, PT, HT, PMI.
Shall familiar with applicable codes and standards
Perform inspections and prepare inspection reports
Familiarize in various NDT equipment.
Interested candidates share resume at [email protected] or call on +971504614749
NDT & QA/QC Jobs and Study Materials
09 Jan, 05:36
๐ณ๐๐๐๐๐
๐ท๐๐๐๐๐๐๐๐ ๐ป๐๐๐๐๐๐ (๐ท๐ป)
๐ท๐๐๐๐๐๐๐๐ ๐ด๐๐๐๐๐๐๐๐
Liquid penetrant testing can be performed on magnetic and non-magnetic materials, but does not work well on porous materials. The basic principle of liquid penetrant testing is that when a very low viscosity (highly fluid) liquid (the penetrant) is applied to the surface of a part, it will penetrate into fissures and voids open to the surface. Once the excess penetrant is removed, the penetrant trapped in those voids will flow back out, creating an indication. This test is named for the liquid called penetrant that is, applied to the sample during test in order to make any surface flaws visible.
The various materials that will be used in the different penetrant processes must exhibit certain characteristics. Above all, these materials must be compatible with each other and collectively provide the highest sensitivity for the application. Some codes and specifications state that only a group of materials made by the same manufacturer known as a โfamily groupโ (or system) should be used. The intent is to provide a degree of assurance that the different materials will be compatible with each other. There are usually some provisions for using materials outside the โfamilyโ if the combination of the different materials can be proven compatible through qualification tests. The materials used in the penetrant process are classified into four groups. The first group of materials that are essential for a penetrant test are pre-cleaners. The second group of materials, which has the greatest influence on sensitivity, are penetrants. The third group comprises the emulsifiers and solvent removers, and the fourth group the developers.
๐ท๐๐๐๐๐๐๐๐ ๐ด๐๐๐๐๐๐๐๐
Liquid penetrant testing can be performed on magnetic and non-magnetic materials, but does not work well on porous materials. The basic principle of liquid penetrant testing is that when a very low viscosity (highly fluid) liquid (the penetrant) is applied to the surface of a part, it will penetrate into fissures and voids open to the surface. Once the excess penetrant is removed, the penetrant trapped in those voids will flow back out, creating an indication. This test is named for the liquid called penetrant that is, applied to the sample during test in order to make any surface flaws visible.
The various materials that will be used in the different penetrant processes must exhibit certain characteristics. Above all, these materials must be compatible with each other and collectively provide the highest sensitivity for the application. Some codes and specifications state that only a group of materials made by the same manufacturer known as a โfamily groupโ (or system) should be used. The intent is to provide a degree of assurance that the different materials will be compatible with each other. There are usually some provisions for using materials outside the โfamilyโ if the combination of the different materials can be proven compatible through qualification tests. The materials used in the penetrant process are classified into four groups. The first group of materials that are essential for a penetrant test are pre-cleaners. The second group of materials, which has the greatest influence on sensitivity, are penetrants. The third group comprises the emulsifiers and solvent removers, and the fourth group the developers.
NDT & QA/QC Jobs and Study Materials
08 Jan, 04:00
Heat Exchanger Fouling and Maintenance
Part-1
Heat exchanger fouling and maintenance are critical considerations in ensuring the efficient and reliable operation of heat exchangers over time. Fouling refers to the accumulation of unwanted materials on the heat exchanger surfaces, which can significantly degrade performance by reducing heat transfer efficiency, increasing pressure drop, and raising operating costs. Proper maintenance is necessary to prevent, mitigate, and remove fouling.
Types of Heat Exchanger Fouling:
1. Scaling (Crystallization Fouling):
- Cause: Scaling occurs when dissolved salts (e.g., calcium carbonate, calcium sulfate) precipitate out of water and deposit on heat transfer surfaces as temperature increases.
- Effect: The deposits reduce the heat transfer rate and increase resistance to fluid flow, leading to higher energy consumption and reduced efficiency.
- Common in: Water-based systems, cooling towers, and boilers.
2. Particulate Fouling (Sedimentation):
- Cause: Particles such as dust, dirt, rust, and suspended solids in the fluid settle and accumulate on heat exchanger surfaces.
- Effect: These particles create a layer of insulation, reducing the heat transfer rate and increasing pressure drop, which leads to higher pumping costs.
- Common in: Systems using untreated water, such as industrial cooling systems, or processes involving particulates in the working fluid.
3. Biofouling:
- Cause: Biological organisms, such as algae, bacteria, and fungi, grow and accumulate on heat exchanger surfaces in systems that use untreated water or operate in marine environments.
- Effect: Biofilms created by these organisms reduce heat transfer efficiency and increase flow resistance. In severe cases, biofouling can clog the heat exchanger entirely.
- Common in: Cooling water systems, marine applications, and wastewater treatment plants.
4. Corrosion Fouling:
- Cause: Chemical reactions between the heat exchanger material and the fluid, leading to the formation of corrosion products (e.g., rust, oxide layers).
- Effect: Corrosion not only reduces heat transfer efficiency by forming deposits but can also damage the heat exchanger's structure, leading to leaks and equipment failure.
- Common in: Systems with corrosive fluids, acidic or alkaline environments, or poorly treated water.
5. Chemical Fouling:
- Cause: Chemical reactions between the process fluids and heat exchanger surfaces or between the components of the fluid itself, leading to the formation of deposits (e.g., polymerization or coke formation in hydrocarbon processes).
- Effect: The buildup of chemicals forms a layer of resistance, reducing heat transfer and sometimes leading to flow blockages.
- Common in: Chemical processing industries, refineries, and petrochemical plants.
6. Freezing Fouling:
- Cause: When fluids freeze on heat exchanger surfaces, particularly in systems that operate with temperatures below the freezing point of the fluid (e.g., air coolers).
Part-1
Heat exchanger fouling and maintenance are critical considerations in ensuring the efficient and reliable operation of heat exchangers over time. Fouling refers to the accumulation of unwanted materials on the heat exchanger surfaces, which can significantly degrade performance by reducing heat transfer efficiency, increasing pressure drop, and raising operating costs. Proper maintenance is necessary to prevent, mitigate, and remove fouling.
Types of Heat Exchanger Fouling:
1. Scaling (Crystallization Fouling):
- Cause: Scaling occurs when dissolved salts (e.g., calcium carbonate, calcium sulfate) precipitate out of water and deposit on heat transfer surfaces as temperature increases.
- Effect: The deposits reduce the heat transfer rate and increase resistance to fluid flow, leading to higher energy consumption and reduced efficiency.
- Common in: Water-based systems, cooling towers, and boilers.
2. Particulate Fouling (Sedimentation):
- Cause: Particles such as dust, dirt, rust, and suspended solids in the fluid settle and accumulate on heat exchanger surfaces.
- Effect: These particles create a layer of insulation, reducing the heat transfer rate and increasing pressure drop, which leads to higher pumping costs.
- Common in: Systems using untreated water, such as industrial cooling systems, or processes involving particulates in the working fluid.
3. Biofouling:
- Cause: Biological organisms, such as algae, bacteria, and fungi, grow and accumulate on heat exchanger surfaces in systems that use untreated water or operate in marine environments.
- Effect: Biofilms created by these organisms reduce heat transfer efficiency and increase flow resistance. In severe cases, biofouling can clog the heat exchanger entirely.
- Common in: Cooling water systems, marine applications, and wastewater treatment plants.
4. Corrosion Fouling:
- Cause: Chemical reactions between the heat exchanger material and the fluid, leading to the formation of corrosion products (e.g., rust, oxide layers).
- Effect: Corrosion not only reduces heat transfer efficiency by forming deposits but can also damage the heat exchanger's structure, leading to leaks and equipment failure.
- Common in: Systems with corrosive fluids, acidic or alkaline environments, or poorly treated water.
5. Chemical Fouling:
- Cause: Chemical reactions between the process fluids and heat exchanger surfaces or between the components of the fluid itself, leading to the formation of deposits (e.g., polymerization or coke formation in hydrocarbon processes).
- Effect: The buildup of chemicals forms a layer of resistance, reducing heat transfer and sometimes leading to flow blockages.
- Common in: Chemical processing industries, refineries, and petrochemical plants.
6. Freezing Fouling:
- Cause: When fluids freeze on heat exchanger surfaces, particularly in systems that operate with temperatures below the freezing point of the fluid (e.g., air coolers).
NDT & QA/QC Jobs and Study Materials
07 Jan, 04:35
๐๐ก๐๐ญ ๐๐ซ๐ ๐ญ๐ก๐ ๐ค๐๐ฒ ๐๐ข๐๐๐๐ซ๐๐ง๐๐๐ฌ ๐๐๐ญ๐ฐ๐๐๐ง ๐๐ฎ๐๐ฅ๐ข๐ญ๐ฒ ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ ๐ฉ๐ฅ๐๐ง ๐๐ง๐ ๐๐ง๐ฌ๐ฉ๐๐๐ญ๐ข๐จ๐ง &๐๐๐ฌ๐ญ ๐๐ฅ๐๐ง ๐ข๐ง ๐๐จ๐ง๐ฌ๐ญ๐ซ๐ฎ๐๐ญ๐ข๐จ๐ง?
In construction, both the Quality Control Plan (QCP) and the Inspection and Test Plan (ITP) are essential documents that ensure project quality, but they serve different purposes and contain distinct elements. Here are the key differences between them:
๐. ๐๐ฎ๐ซ๐ฉ๐จ๐ฌ๐
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- A QCP outlines the overall strategy for maintaining quality throughout the construction process. It focuses on establishing quality standards, processes, and responsibilities to ensure that the project meets specified requirements.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- An ITP details the specific inspections and tests to be performed at various stages of the construction project. It focuses on the verification and validation of work against the established quality standards.
๐. ๐๐๐จ๐ฉ๐
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- The QCP encompasses all aspects of quality management, including planning, execution, monitoring, and corrective actions. It covers the entire project lifecycle and defines how quality will be managed.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- The ITP is more focused and specific, detailing the types of inspections and tests for particular phases or components of the project. It provides a framework for assessing compliance with quality standards.
๐. ๐๐จ๐ง๐ญ๐๐ง๐ญ
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
Typically includes:
- Quality objectives and goals
- Roles and responsibilities
- Procedures for quality assurance and control
- Documentation requirements
- Process for handling non-conformance
- Training and qualification requirements
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
Typically includes:
- List of inspections and tests to be conducted
- Acceptance criteria for each inspection/test
- Schedule and frequency of inspections/tests
- Responsible personnel for conducting inspections/tests
- Documentation required for each inspection/test
๐. ๐ ๐ฅ๐๐ฑ๐ข๐๐ข๐ฅ๐ข๐ญ๐ฒ
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- The QCP may be more flexible and adaptable, allowing for adjustments based on project changes or new quality requirements.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- The ITP is often more rigid, as it outlines specific tests and inspections that must be carried out according to the schedule and criteria established.
๐๐ง ๐ฌ๐ฎ๐ฆ๐ฆ๐๐ซ๐ฒ, the Quality Control Plan provides a comprehensive framework for managing quality throughout the construction process, while the Inspection and Test Plan outlines specific actions for verifying compliance with quality standards. Together, they ensure that construction projects are executed effectively and meet the required quality outcomes.
In construction, both the Quality Control Plan (QCP) and the Inspection and Test Plan (ITP) are essential documents that ensure project quality, but they serve different purposes and contain distinct elements. Here are the key differences between them:
๐. ๐๐ฎ๐ซ๐ฉ๐จ๐ฌ๐
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- A QCP outlines the overall strategy for maintaining quality throughout the construction process. It focuses on establishing quality standards, processes, and responsibilities to ensure that the project meets specified requirements.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- An ITP details the specific inspections and tests to be performed at various stages of the construction project. It focuses on the verification and validation of work against the established quality standards.
๐. ๐๐๐จ๐ฉ๐
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- The QCP encompasses all aspects of quality management, including planning, execution, monitoring, and corrective actions. It covers the entire project lifecycle and defines how quality will be managed.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- The ITP is more focused and specific, detailing the types of inspections and tests for particular phases or components of the project. It provides a framework for assessing compliance with quality standards.
๐. ๐๐จ๐ง๐ญ๐๐ง๐ญ
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
Typically includes:
- Quality objectives and goals
- Roles and responsibilities
- Procedures for quality assurance and control
- Documentation requirements
- Process for handling non-conformance
- Training and qualification requirements
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
Typically includes:
- List of inspections and tests to be conducted
- Acceptance criteria for each inspection/test
- Schedule and frequency of inspections/tests
- Responsible personnel for conducting inspections/tests
- Documentation required for each inspection/test
๐. ๐ ๐ฅ๐๐ฑ๐ข๐๐ข๐ฅ๐ข๐ญ๐ฒ
๐ธ๐๐๐๐๐๐ ๐ช๐๐๐๐๐๐ ๐ท๐๐๐ (๐ธ๐ช๐ท):
- The QCP may be more flexible and adaptable, allowing for adjustments based on project changes or new quality requirements.
๐ฐ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ป๐๐๐ ๐ท๐๐๐ (๐ฐ๐ป๐ท):
- The ITP is often more rigid, as it outlines specific tests and inspections that must be carried out according to the schedule and criteria established.
๐๐ง ๐ฌ๐ฎ๐ฆ๐ฆ๐๐ซ๐ฒ, the Quality Control Plan provides a comprehensive framework for managing quality throughout the construction process, while the Inspection and Test Plan outlines specific actions for verifying compliance with quality standards. Together, they ensure that construction projects are executed effectively and meet the required quality outcomes.
NDT & QA/QC Jobs and Study Materials
06 Jan, 06:55
Date of vacancy post received 06-01-25
We have requirement of Inspection Engineer with knowledge of inspection of Pumps and rotary equipment's as per various international standards:
Educational Qualification: BE/Dip in Mechanical Engineering
Experience: Min 5 to 7 Years of Experience in inspection of pumps and rotary equipmentโs
Location: Mumbai
Positions: 4 Noโs
Joining: Immediate Basis
Interested candidates may send their updated resumes including their present CTC and Notice period to [email protected].
We have requirement of Inspection Engineer with knowledge of inspection of Pumps and rotary equipment's as per various international standards:
Educational Qualification: BE/Dip in Mechanical Engineering
Experience: Min 5 to 7 Years of Experience in inspection of pumps and rotary equipmentโs
Location: Mumbai
Positions: 4 Noโs
Joining: Immediate Basis
Interested candidates may send their updated resumes including their present CTC and Notice period to [email protected].
NDT & QA/QC Jobs and Study Materials
06 Jan, 05:14
Flange Isolation Kits are designed to work in conjunction with our isolating gaskets to effect the complete electrical isolation of a flanged assembly.
The Isolation Kits consist of one full-length isolating sleeve, two isolating washers and two steel washers for each of the bolts in the flange assembly.
Flanges can be one of the most common trouble areas in a Cathodic Protection System. Flanges need to be sealed properly to prevent leakage and must be isolated to prevent stray currents which cause undo corrosion and eventual breakdown of the metal.
The Isolation Kits consist of one full-length isolating sleeve, two isolating washers and two steel washers for each of the bolts in the flange assembly.
Flanges can be one of the most common trouble areas in a Cathodic Protection System. Flanges need to be sealed properly to prevent leakage and must be isolated to prevent stray currents which cause undo corrosion and eventual breakdown of the metal.
NDT & QA/QC Jobs and Study Materials
04 Jan, 03:12
What is steam Boiler
A boiler (also known as a steam boiler) is a closed vessel in which fluid (typically water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, such as cooking, water or central heating, or boiler-based power generation. Boilers (or more specifically steam boilers) are an essential part of thermal power plants.
Working Principle of Boiler
The basic working principle of a boiler is simple to understand. A boiler is a closed vessel where water is stored. Fuel, usually coal, is burned in a furnace to produce hot gases.
The hot gases contact the water vessel, transferring their heat to the water, which produces steam in the boiler.
Then this steam is piped to the turbine of thermal power plant. There are many different types of boiler utilized for different purposes like running a production unit, sanitizing some area, sterilizing equipment, to warm up the surroundings etc.
A boiler (also known as a steam boiler) is a closed vessel in which fluid (typically water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, such as cooking, water or central heating, or boiler-based power generation. Boilers (or more specifically steam boilers) are an essential part of thermal power plants.
Working Principle of Boiler
The basic working principle of a boiler is simple to understand. A boiler is a closed vessel where water is stored. Fuel, usually coal, is burned in a furnace to produce hot gases.
The hot gases contact the water vessel, transferring their heat to the water, which produces steam in the boiler.
Then this steam is piped to the turbine of thermal power plant. There are many different types of boiler utilized for different purposes like running a production unit, sanitizing some area, sterilizing equipment, to warm up the surroundings etc.
NDT & QA/QC Jobs and Study Materials
03 Jan, 09:03
Date of vacancy post 03-01-24
We are immediately looking for candidates for the below positions for leading Turnaround project in Qatar location for onshore assignment kindly go through below details and if you matching with the job criteria and interested kindly send us updated resume on [email protected] along with current / expected salary and notice period , updated CV and certificates.
Position :- PAUT Level III (PCN Certified ) Should have good experience in data interpretation
Years of experience :- 10-15 Years
No of requirements :- 04
Qualification :- Bachelors / Diploma in Mechanical Engineering
Certification :- PCN PAUT Level III
Duration :- 20-30 Days /- Till Client Requirement
Work Location :-
Summary :- 10 yrs of experience in NDT and ANDT should have good experience in PAUT data interpretation of small diameter pipes and tubes,
We are immediately looking for candidates for the below positions for leading Turnaround project in Qatar location for onshore assignment kindly go through below details and if you matching with the job criteria and interested kindly send us updated resume on [email protected] along with current / expected salary and notice period , updated CV and certificates.
Position :- PAUT Level III (PCN Certified ) Should have good experience in data interpretation
Years of experience :- 10-15 Years
No of requirements :- 04
Qualification :- Bachelors / Diploma in Mechanical Engineering
Certification :- PCN PAUT Level III
Duration :- 20-30 Days /- Till Client Requirement
Work Location :-
Summary :- 10 yrs of experience in NDT and ANDT should have good experience in PAUT data interpretation of small diameter pipes and tubes,
NDT & QA/QC Jobs and Study Materials
03 Jan, 09:02
Date of vacancy post 03-01-25
(SGS Qatar )
We are urgently looking for 10 Multi NDT Technicians with PCN certification with UT & MT (after Post Certification with minimum 3 years) , overall years of experience should be 5+ years and candidate should have experience into Above ground Storage Tanks NDT project , Oil & Gas , refinery .
-
experience with projects of Qatar Petroleum / Qatar energy refinery is preferred share cvs and PCN certificate on [email protected]
Immediate Joining candidates are preferred
Position :- MULTI NDT Technician- PCN UT / MT
Number of Requirement:- 10
Experience :- over all 5 Years / Mandatory Post PCN certification 3 years experience in UT and MT , DPT PCN certification will be and added advantage.
Qualification :- Any Qualification
Mandatory Certifications :- PCN Level II certified UT,3.1 3.2 & PCN Level II in MT, preferably PCN MT also
Key Skills :- Straight beam / Corrosion Scanning, thickness Gauging, Vacuum Box Testing (VBT) of welded joints tank bottom / roof.
Project Duration :- 6 Months /- Till client requirement
Work Location :- Qatar
(SGS Qatar )
We are urgently looking for 10 Multi NDT Technicians with PCN certification with UT & MT (after Post Certification with minimum 3 years) , overall years of experience should be 5+ years and candidate should have experience into Above ground Storage Tanks NDT project , Oil & Gas , refinery .
-
experience with projects of Qatar Petroleum / Qatar energy refinery is preferred share cvs and PCN certificate on [email protected]
Immediate Joining candidates are preferred
Position :- MULTI NDT Technician- PCN UT / MT
Number of Requirement:- 10
Experience :- over all 5 Years / Mandatory Post PCN certification 3 years experience in UT and MT , DPT PCN certification will be and added advantage.
Qualification :- Any Qualification
Mandatory Certifications :- PCN Level II certified UT,3.1 3.2 & PCN Level II in MT, preferably PCN MT also
Key Skills :- Straight beam / Corrosion Scanning, thickness Gauging, Vacuum Box Testing (VBT) of welded joints tank bottom / roof.
Project Duration :- 6 Months /- Till client requirement
Work Location :- Qatar
NDT & QA/QC Jobs and Study Materials
02 Jan, 18:33
Date of vacancy post received - 02-01-25
Urgent Requirement for Barc level 1 radiographer
Location: Odisha& Telangana
Salary: Negotiate
Free food and accommodation
Eligible candidates contact 7032185453
Urgent Requirement for Barc level 1 radiographer
Location: Odisha& Telangana
Salary: Negotiate
Free food and accommodation
Eligible candidates contact 7032185453
NDT & QA/QC Jobs and Study Materials
02 Jan, 18:32
Date of vacancy post received 02-01-25
Urgent Requirement for Barc level 1 radiographer and RSO and RT Technician
Location: vadodara.. Gujarat
Contact no:9377680323
9377680324&
Urgent Requirement for Barc level 1 radiographer and RSO and RT Technician
Location: vadodara.. Gujarat
Contact no:9377680323
9377680324&
NDT & QA/QC Jobs and Study Materials
02 Jan, 10:31
Date of vacancy post received 02-01-25
Company Name-Arihant NDT Inspection Services.
Work Location:- Hazira, Surat
Education:- Diploma/B.E
Mechanical or Metallurgy
Experience:- 2 to 5 Year in Structure,Piping or Equipment Fabrication
Post:- QC inspector
Job Time:- 8 hours
Salary:- Depends on interview
Facility:- Accommodation,Public holidays,Bonus,PF,Esic
Vacancy- 2 Inspectors
Mob No-9316863067 (Please Send Your Cv On this Whatsapp Number)
Company Name-Arihant NDT Inspection Services.
Work Location:- Hazira, Surat
Education:- Diploma/B.E
Mechanical or Metallurgy
Experience:- 2 to 5 Year in Structure,Piping or Equipment Fabrication
Post:- QC inspector
Job Time:- 8 hours
Salary:- Depends on interview
Facility:- Accommodation,Public holidays,Bonus,PF,Esic
Vacancy- 2 Inspectors
Mob No-9316863067 (Please Send Your Cv On this Whatsapp Number)
NDT & QA/QC Jobs and Study Materials
01 Jan, 09:31
Understanding Acceptance Cutback in Pipelines
The acceptance cutback is a crucial aspect of pipeline construction and quality assurance. It refers to the portion of the pipe ends where the protective coating has been intentionally removed. This uncoated section ensures proper welding and inspection during pipeline installation, maintaining structural integrity and safety.
Key Features:
โข Beveled Ends: The edges of the cutback are precisely shaped to allow strong welds.
โข Clean Surface: The exposed metal is thoroughly cleaned to ensure optimal bonding during welding.
โข Coating Removal: A lighter area near the edges indicates where the protective coating transitions to bare metal.
Applications:
Acceptance cutbacks are inspected to confirm compliance with engineering standards, ensuring the pipelineโs reliability in critical industries such as oil, gas, and water supply. This step minimizes the risk of failures at welded joints.
The acceptance cutback is a crucial aspect of pipeline construction and quality assurance. It refers to the portion of the pipe ends where the protective coating has been intentionally removed. This uncoated section ensures proper welding and inspection during pipeline installation, maintaining structural integrity and safety.
Key Features:
โข Beveled Ends: The edges of the cutback are precisely shaped to allow strong welds.
โข Clean Surface: The exposed metal is thoroughly cleaned to ensure optimal bonding during welding.
โข Coating Removal: A lighter area near the edges indicates where the protective coating transitions to bare metal.
Applications:
Acceptance cutbacks are inspected to confirm compliance with engineering standards, ensuring the pipelineโs reliability in critical industries such as oil, gas, and water supply. This step minimizes the risk of failures at welded joints.
NDT & QA/QC Jobs and Study Materials
26 Dec, 16:36
Date of vacancy post 26-12-24
Job profile: Inspection engineer
B.E., Mech with 4+ years experience / Diploma with 6+ years experience in QA QC functions
Salary : Rs.50,000/- (all inclusive ) CTC per month
NDT Level II in RT, UT, PT
AWS / CSWIP certificate must
Working in TPI is preferable
Location: Kalpakkam
Immediate joining preferred
Refer suitable candidates to
Contact:
[email protected]
9940896582
Job profile: Inspection engineer
B.E., Mech with 4+ years experience / Diploma with 6+ years experience in QA QC functions
Salary : Rs.50,000/- (all inclusive ) CTC per month
NDT Level II in RT, UT, PT
AWS / CSWIP certificate must
Working in TPI is preferable
Location: Kalpakkam
Immediate joining preferred
Refer suitable candidates to
Contact:
[email protected]
9940896582
NDT & QA/QC Jobs and Study Materials
26 Dec, 13:19
Whatโs covered in this video:
-เคกเคฟเคธเฅเคเฅเคฐเคเฅเคเคฟเคต เคเฅเคธเฅเคเคฟเคเค เคเฅเคฏเคพ เคนเฅ (What is Destructive Testing)?
-Key methods like tensile testing, impact testing, hardness testing, and fatigue testing etc..
-Real-world applications in industries like construction, aerospace, and manufacturing.
-Advantages, limitations, and why destructive testing is critical for safety and quality.
-เคกเคฟเคธเฅเคเฅเคฐเคเฅเคเคฟเคต เคเฅเคธเฅเคเคฟเคเค เคเฅเคฏเคพ เคนเฅ (What is Destructive Testing)?
-Key methods like tensile testing, impact testing, hardness testing, and fatigue testing etc..
-Real-world applications in industries like construction, aerospace, and manufacturing.
-Advantages, limitations, and why destructive testing is critical for safety and quality.
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:42
Date of vacancy post received Dec-20-2024
TPI VACANCY
Job Location: MANGALORE
URGENT VACANCY
POSITION - TPI
LOCATION- MANGALORE
SITE - BPCL
EDUCATION - DEGREE/DIPLOMA
EXPERIENCE- 4-5 YEARS
SALARY - 45K
DURATION - 4 MONTH
JOINIG- IMMEDIATE
INTRESTED CANDIDATES PLEASE SEND YOUR CV TO
[email protected]
TPI VACANCY
Job Location: MANGALORE
URGENT VACANCY
POSITION - TPI
LOCATION- MANGALORE
SITE - BPCL
EDUCATION - DEGREE/DIPLOMA
EXPERIENCE- 4-5 YEARS
SALARY - 45K
DURATION - 4 MONTH
JOINIG- IMMEDIATE
INTRESTED CANDIDATES PLEASE SEND YOUR CV TO
[email protected]
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:41
Dec-21-2024
PAUT TECHNICIAN
Job Location: KSA
Greetings from "INSPECBULL INTERNATIONAL"
Job Role : PAUT TECHNICIAN
Job Location: KSA
Duration : Shutdown 45 days
Job code : IBI241222
Vacancies : 12 Nos
Eligibility : ASNT LVL II/ISO/PCN in PAUT
Experience : 5 Plus years experience (gulf experience additional priority)
Food and accommodation provided
Immediate offer letter upon interview selection
Service charges applicable
Interested and suitable candidates send the following documents in pdf format :
1)Latest CV
2)Ndt certificates
3)Highest educational certificate copy
4)Covid vaccination certificate-2 doses
5)Passport copy
6)Passport sized photo(Recently taken)
Interested candidates send your CV to WhatsApp :
+91 75388 17432
[email protected](Optional)
www.inspecbull.com
PAUT TECHNICIAN
Job Location: KSA
Greetings from "INSPECBULL INTERNATIONAL"
Job Role : PAUT TECHNICIAN
Job Location: KSA
Duration : Shutdown 45 days
Job code : IBI241222
Vacancies : 12 Nos
Eligibility : ASNT LVL II/ISO/PCN in PAUT
Experience : 5 Plus years experience (gulf experience additional priority)
Food and accommodation provided
Immediate offer letter upon interview selection
Service charges applicable
Interested and suitable candidates send the following documents in pdf format :
1)Latest CV
2)Ndt certificates
3)Highest educational certificate copy
4)Covid vaccination certificate-2 doses
5)Passport copy
6)Passport sized photo(Recently taken)
Interested candidates send your CV to WhatsApp :
+91 75388 17432
[email protected](Optional)
www.inspecbull.com
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:39
Date of post received Dec-24-2024
REQUIRED ASNT NDT TECHNICIAN FRESHERS
Job Location: JAMNAGAR GUJARAT
Urgent Requirement for MFL job Required only NDT Technicians Fresher (Conventional and Advanced NDT) to work in a Challenging and Competitive Environment.
Position - NDT Technician- ASNT NDT Level II UT, RT, MT, PT.
Work Location โ Gujarat
Salary โ Based on Performance in the Interview.
Candidates should be immediately available.
Contact Details โ
Sigma NDT Services Pvt Ltd,
Contact Person - Ramya- 9176235555
Email ID โ [email protected]
REQUIRED ASNT NDT TECHNICIAN FRESHERS
Job Location: JAMNAGAR GUJARAT
Urgent Requirement for MFL job Required only NDT Technicians Fresher (Conventional and Advanced NDT) to work in a Challenging and Competitive Environment.
Position - NDT Technician- ASNT NDT Level II UT, RT, MT, PT.
Work Location โ Gujarat
Salary โ Based on Performance in the Interview.
Candidates should be immediately available.
Contact Details โ
Sigma NDT Services Pvt Ltd,
Contact Person - Ramya- 9176235555
Email ID โ [email protected]
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:38
Dec-24-2024
Post received from PEARL TK
CSWIP 3.1 + BGAS
Job Location: UAE
"PEARL TK INSTITUTE AND
INSPECTION SERVICES"
Very urgent requirement"
JOB NO :- 0121
JOB LOCATION :- UAE
POSITION :- QA/QC MULTI INSPECTOR
NO OF VACANCIES :- 2 nos
EDUCATION :- Diploma /BE Engg / Any Degree
QUALIFICATION CSWIP + BGAS Grade 2
EXPERIENCE REQUIRED :- 5+ YEARS
PROJECT DURATION :- Long term
ACCOMADATION :- By company
SALARY :- 5000 to 7000 AED /Based on experience, qualification and interview performance
MOBILIZATION :- Processing time duration: less than days
Candidates Age limit :- Age should be below 40
"Responsibilities :-
Handling independently Projects in terms of both technical and commercial aspects
Carrying out various site surveys / Inspections to form the basis for detailed design and engineering
Mobilizing team and commencing construction works at the Project site in coordination with client personnel
Frequent monitoring of the site activities ensuring the quality works over time & maintaining the same through construction as overall.
Person should have good experience in Dimensional Measurement, MTC verification, Good knowledge in WPS ,PQR and daily responsibilities of welding inspector
"Further details Kindly send your cv to this [email protected]
whatsapp number with job no +91 7397698591.
Post received from PEARL TK
CSWIP 3.1 + BGAS
Job Location: UAE
"PEARL TK INSTITUTE AND
INSPECTION SERVICES"
Very urgent requirement"
JOB NO :- 0121
JOB LOCATION :- UAE
POSITION :- QA/QC MULTI INSPECTOR
NO OF VACANCIES :- 2 nos
EDUCATION :- Diploma /BE Engg / Any Degree
QUALIFICATION CSWIP + BGAS Grade 2
EXPERIENCE REQUIRED :- 5+ YEARS
PROJECT DURATION :- Long term
ACCOMADATION :- By company
SALARY :- 5000 to 7000 AED /Based on experience, qualification and interview performance
MOBILIZATION :- Processing time duration: less than days
Candidates Age limit :- Age should be below 40
"Responsibilities :-
Handling independently Projects in terms of both technical and commercial aspects
Carrying out various site surveys / Inspections to form the basis for detailed design and engineering
Mobilizing team and commencing construction works at the Project site in coordination with client personnel
Frequent monitoring of the site activities ensuring the quality works over time & maintaining the same through construction as overall.
Person should have good experience in Dimensional Measurement, MTC verification, Good knowledge in WPS ,PQR and daily responsibilities of welding inspector
"Further details Kindly send your cv to this [email protected]
whatsapp number with job no +91 7397698591.
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:36
Date of vacancy post Dec-24-2024
BARC Level-2
Post received from CR NDT lab
Job Location: Mumbai
We require call basis BARC Level-2 near Mumbai ( India ) location.
For more details call on 8080878452.
BARC Level-2
Post received from CR NDT lab
Job Location: Mumbai
We require call basis BARC Level-2 near Mumbai ( India ) location.
For more details call on 8080878452.
NDT & QA/QC Jobs and Study Materials
26 Dec, 04:32
In industrial facilities, Corrosion Under Insulation (CUI) is one of the most persistent and damaging problems.
The image here shows a striking case of severe CUI, where deteriorated insulation allowed moisture to seep in and corrode the pipe beneath. Left unchecked, CUI can lead to equipment failures, safety risks, costly repairs, and downtime.
What Causes CUI? ๐
1 Moisture Ingress: Damaged or poorly sealed insulation allows water (from rain, humidity, or leaks) to penetrate and become trapped against the pipe.
2 Temperature Cycling: Heating and cooling cycles create condensation within the insulation, especially in environments with temperature fluctuations.
3 Insulation Type: Some insulation materials,
particularly those with poor water resistance, trap moisture rather than repel it.
4 Chemical Contaminants: Chlorides, acids, or other contaminants can exacerbate corrosion once moisture is present.
The image here shows a striking case of severe CUI, where deteriorated insulation allowed moisture to seep in and corrode the pipe beneath. Left unchecked, CUI can lead to equipment failures, safety risks, costly repairs, and downtime.
What Causes CUI? ๐
1 Moisture Ingress: Damaged or poorly sealed insulation allows water (from rain, humidity, or leaks) to penetrate and become trapped against the pipe.
2 Temperature Cycling: Heating and cooling cycles create condensation within the insulation, especially in environments with temperature fluctuations.
3 Insulation Type: Some insulation materials,
particularly those with poor water resistance, trap moisture rather than repel it.
4 Chemical Contaminants: Chlorides, acids, or other contaminants can exacerbate corrosion once moisture is present.
NDT & QA/QC Jobs and Study Materials
25 Dec, 05:20
๐๐ก๐ฒ ๐๐ฅ๐๐ง๐ญ ๐๐ง๐ฌ๐ฉ๐๐๐ญ๐จ๐ซ๐ฌ ๐๐ฎ๐ฌ๐ญ ๐๐ฆ๐๐ซ๐๐๐ ๐๐จ๐ง๐ญ๐ข๐ง๐ฎ๐จ๐ฎ๐ฌ ๐๐๐๐ซ๐ง๐ข๐ง๐ ?
During process plant inspections, it's not uncommon to face push back. You might be accused of being uninformed, ignorant, or even unreasonable. These moments can feel challenging, but theyโre part of the job.
In fact, your technical knowledge in specialist areas will often be questioned sometimes out of genuine concern, other times due to differing perspectives.
This highlights why a plant inspectorโs role demands more than just technical expertise. To navigate these situations effectively, you need to develop broad engineering experience and a commitment to continuous learning.
๐๐๐ซ๐โ๐ฌ ๐ฐ๐ก๐ฒ:
๐๐ฎ๐ฅ๐ญ๐ข๐๐ข๐ฌ๐๐ข๐ฉ๐ฅ๐ข๐ง๐๐ซ๐ฒ ๐๐ก๐๐ฅ๐ฅ๐๐ง๐ ๐๐ฌ: Process plants are complex environments where mechanical, material, and operational challenges intersect. Staying informed across these areas allows you to provide well-rounded insights.
Credibility and Confidence: A deep and ever-evolving knowledge base helps you back up your decisions and recommendations with confidence, even in the face of skepticism.
๐๐ฎ๐ข๐ฅ๐๐ข๐ง๐ ๐๐ซ๐ฎ๐ฌ๐ญ: Continuous learning demonstrates your dedication to the role, fostering trust with stakeholders who rely on you for safe and efficient operations.
๐๐ซ๐จ๐๐ฅ๐๐ฆ-๐๐จ๐ฅ๐ฏ๐ข๐ง๐ ๐๐ ๐ข๐ฅ๐ข๐ญ๐ฒ: With wider experience, you're better equipped to anticipate issues, identify root causes, and suggest practical solutions that align with operational realities.
As a plant inspector, embracing curiosity and proactively enhancing your expertise isn't optionalโitโs essential. Whether it's staying updated on evolving codes and standards, exploring new damage mechanisms, or diving into unfamiliar processes, your growth directly impacts the integrity and safety of the assets you inspect.
๐น๐๐๐๐๐๐๐, ๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐๐ ๐๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐, ๐๐ ๐๐๐, ๐๐๐ ๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐. ๐ป๐๐๐๐ ๐๐๐๐๐๐๐ ๐๐ ๐ ๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐? ๐ป๐๐๐โ๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐.
๐ฏ๐๐ ๐ ๐ ๐๐๐ ๐๐๐๐๐๐ ๐๐๐ ๐๐๐๐ ๐๐๐๐๐ ๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐ ๐๐๐๐๐๐๐๐๐?
During process plant inspections, it's not uncommon to face push back. You might be accused of being uninformed, ignorant, or even unreasonable. These moments can feel challenging, but theyโre part of the job.
In fact, your technical knowledge in specialist areas will often be questioned sometimes out of genuine concern, other times due to differing perspectives.
This highlights why a plant inspectorโs role demands more than just technical expertise. To navigate these situations effectively, you need to develop broad engineering experience and a commitment to continuous learning.
๐๐๐ซ๐โ๐ฌ ๐ฐ๐ก๐ฒ:
๐๐ฎ๐ฅ๐ญ๐ข๐๐ข๐ฌ๐๐ข๐ฉ๐ฅ๐ข๐ง๐๐ซ๐ฒ ๐๐ก๐๐ฅ๐ฅ๐๐ง๐ ๐๐ฌ: Process plants are complex environments where mechanical, material, and operational challenges intersect. Staying informed across these areas allows you to provide well-rounded insights.
Credibility and Confidence: A deep and ever-evolving knowledge base helps you back up your decisions and recommendations with confidence, even in the face of skepticism.
๐๐ฎ๐ข๐ฅ๐๐ข๐ง๐ ๐๐ซ๐ฎ๐ฌ๐ญ: Continuous learning demonstrates your dedication to the role, fostering trust with stakeholders who rely on you for safe and efficient operations.
๐๐ซ๐จ๐๐ฅ๐๐ฆ-๐๐จ๐ฅ๐ฏ๐ข๐ง๐ ๐๐ ๐ข๐ฅ๐ข๐ญ๐ฒ: With wider experience, you're better equipped to anticipate issues, identify root causes, and suggest practical solutions that align with operational realities.
As a plant inspector, embracing curiosity and proactively enhancing your expertise isn't optionalโitโs essential. Whether it's staying updated on evolving codes and standards, exploring new damage mechanisms, or diving into unfamiliar processes, your growth directly impacts the integrity and safety of the assets you inspect.
๐น๐๐๐๐๐๐๐, ๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐๐ ๐๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐, ๐๐ ๐๐๐, ๐๐๐ ๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐. ๐ป๐๐๐๐ ๐๐๐๐๐๐๐ ๐๐ ๐ ๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐? ๐ป๐๐๐โ๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐๐๐ ๐๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐.
๐ฏ๐๐ ๐ ๐ ๐๐๐ ๐๐๐๐๐๐ ๐๐๐ ๐๐๐๐ ๐๐๐๐๐ ๐๐๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐๐ ๐๐๐๐๐๐๐๐๐?
NDT & QA/QC Jobs and Study Materials
24 Dec, 02:45
Date of vacancy post received 24-12-24
Requirement
*UT Technician - PCN UT 3.1, 3.2*
Location: Abu Dhabi
Certification: PCN UT Level 2-3.1,3.2 & NDT Level II PT,MPT
Qualification: B.tech/B.E. or Diploma in Mechanical Engineering
Job Type: Permanent
Experience: Minimum 4 years after PCN Certification.
*RTFI (PCN RTFI or ASNT level 3 -RT)*
Location: Abu Dhabi
Certification: PCN RTFI or ASNT level 3 - RT
Qualification: B.tech/B.E. or Diploma in Mechanical Engineering
Job Type: Permanent
Experience: Minimum 4 years after Certification.
If your qualifications match the above criteria, please send your CV to [email protected] or Whatsapp+971563628719
Requirement
*UT Technician - PCN UT 3.1, 3.2*
Location: Abu Dhabi
Certification: PCN UT Level 2-3.1,3.2 & NDT Level II PT,MPT
Qualification: B.tech/B.E. or Diploma in Mechanical Engineering
Job Type: Permanent
Experience: Minimum 4 years after PCN Certification.
*RTFI (PCN RTFI or ASNT level 3 -RT)*
Location: Abu Dhabi
Certification: PCN RTFI or ASNT level 3 - RT
Qualification: B.tech/B.E. or Diploma in Mechanical Engineering
Job Type: Permanent
Experience: Minimum 4 years after Certification.
If your qualifications match the above criteria, please send your CV to [email protected] or Whatsapp+971563628719
NDT & QA/QC Jobs and Study Materials
23 Dec, 06:11
๐ Demystifying the FBE Coating Process with a Flow Chart ๐ก๏ธ
Fusion Bonded Epoxy (FBE) coatings are a cornerstone in protecting pipelines, fittings, and steel structures from corrosion. But how does the process work? A clear flow chart helps simplify the steps:
FBE Coating Process Flow:
1๏ธโฃ Surface Preparation:
โข Grit blasting to achieve a clean, rough surface (critical for adhesion).
โข Inspection to ensure surface readiness.
2๏ธโฃ Pre-Heating:
โข Component heated to the required temperature using induction or convection heating.
3๏ธโฃ Powder Application:
โข Electrostatic spray method applies FBE powder to the pre-heated surface.
โข Powder melts and forms a uniform coating.
4๏ธโฃ Curing:
โข Coated surface undergoes rapid curing as the powder chemically bonds to the substrate.
5๏ธโฃ Cooling:
โข Gradual cooling with water or air to stabilize the coating.
6๏ธโฃ Quality Inspection:
โข Thickness, adhesion, and integrity tests ensure compliance with standards.
๐ก FBE coatings are widely used for their exceptional corrosion resistance, durability, and environmental friendliness.
Do you use FBE in your projects? What challenges or benefits have you experienced with this process? Letโs exchange insights!
Fusion Bonded Epoxy (FBE) coatings are a cornerstone in protecting pipelines, fittings, and steel structures from corrosion. But how does the process work? A clear flow chart helps simplify the steps:
FBE Coating Process Flow:
1๏ธโฃ Surface Preparation:
โข Grit blasting to achieve a clean, rough surface (critical for adhesion).
โข Inspection to ensure surface readiness.
2๏ธโฃ Pre-Heating:
โข Component heated to the required temperature using induction or convection heating.
3๏ธโฃ Powder Application:
โข Electrostatic spray method applies FBE powder to the pre-heated surface.
โข Powder melts and forms a uniform coating.
4๏ธโฃ Curing:
โข Coated surface undergoes rapid curing as the powder chemically bonds to the substrate.
5๏ธโฃ Cooling:
โข Gradual cooling with water or air to stabilize the coating.
6๏ธโฃ Quality Inspection:
โข Thickness, adhesion, and integrity tests ensure compliance with standards.
๐ก FBE coatings are widely used for their exceptional corrosion resistance, durability, and environmental friendliness.
Do you use FBE in your projects? What challenges or benefits have you experienced with this process? Letโs exchange insights!
NDT & QA/QC Jobs and Study Materials
21 Dec, 02:59
TOFD vs Phased Array Difference In English ๐
NDT & QA/QC Jobs and Study Materials
05 Dec, 06:32
Understanding the Types of Pressure Tests in ASME B31.3 ๐ง
Ensuring the integrity and safety of piping systems is critical in any project. In accordance with ASME B31.3, there are 6 types of pressure tests used to verify leak-tightness before initial operation:
1๏ธโฃ Hydrostatic Test (345.4)
๐ง What it is: Filling the system with water (or non-toxic liquid) and pressurizing it.
๐ Test Pressure: 1.5x the design pressure.
โ Why itโs used: Safer option since liquids are incompressible, storing less energy during the test.
2๏ธโฃ Preliminary Pneumatic Test (345.2.1(c))
๐ฌ What it is: A pre-check for major leaks before conducting a full pneumatic test.
๐ Test Pressure: Gradually increased to a fraction of the final pressure.
โ ๏ธ Why itโs used: Minimizes risk by identifying potential leaks early.
3๏ธโฃ Pneumatic Test (345.5)
๐จ What it is: Using compressed gas (air, nitrogen, etc.) instead of liquid.
๐ When to use: When liquid testing (e.g., water) is not feasible.
โ ๏ธ Note: Higher safety risks due to gas compressibility require strict procedural controls.
4๏ธโฃ Hydrostatic-Pneumatic Test (345.6)
๐งโ๐จ What it is: Combining hydrostatic and pneumatic methods by partially filling with liquid and pressurizing with gas.
โก Why itโs used: Reduces stored energy compared to a fully pneumatic test, increasing safety.
5๏ธโฃ Initial Service Test (345.7)
๐ What it is: Using the actual service fluid at operating pressure for the test.
๐ง When to use: Practical for systems where hydrostatic or pneumatic testing isn't feasible.
6๏ธโฃ Sensitive Leak Test (345.8)
๐ What it is: A precise method outlined in ASME Section V, Article 10, such as gas and bubble testing.
๐ฏ Purpose: Detects very small leaks using soap bubbles or gas-sniffing tools.
Ensuring the integrity and safety of piping systems is critical in any project. In accordance with ASME B31.3, there are 6 types of pressure tests used to verify leak-tightness before initial operation:
1๏ธโฃ Hydrostatic Test (345.4)
๐ง What it is: Filling the system with water (or non-toxic liquid) and pressurizing it.
๐ Test Pressure: 1.5x the design pressure.
โ Why itโs used: Safer option since liquids are incompressible, storing less energy during the test.
2๏ธโฃ Preliminary Pneumatic Test (345.2.1(c))
๐ฌ What it is: A pre-check for major leaks before conducting a full pneumatic test.
๐ Test Pressure: Gradually increased to a fraction of the final pressure.
โ ๏ธ Why itโs used: Minimizes risk by identifying potential leaks early.
3๏ธโฃ Pneumatic Test (345.5)
๐จ What it is: Using compressed gas (air, nitrogen, etc.) instead of liquid.
๐ When to use: When liquid testing (e.g., water) is not feasible.
โ ๏ธ Note: Higher safety risks due to gas compressibility require strict procedural controls.
4๏ธโฃ Hydrostatic-Pneumatic Test (345.6)
๐งโ๐จ What it is: Combining hydrostatic and pneumatic methods by partially filling with liquid and pressurizing with gas.
โก Why itโs used: Reduces stored energy compared to a fully pneumatic test, increasing safety.
5๏ธโฃ Initial Service Test (345.7)
๐ What it is: Using the actual service fluid at operating pressure for the test.
๐ง When to use: Practical for systems where hydrostatic or pneumatic testing isn't feasible.
6๏ธโฃ Sensitive Leak Test (345.8)
๐ What it is: A precise method outlined in ASME Section V, Article 10, such as gas and bubble testing.
๐ฏ Purpose: Detects very small leaks using soap bubbles or gas-sniffing tools.
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:31
Above all vacancy post received today 04-12-24
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:31
*Urgent Requirement NDT Technician*
*Only Freshers*
*Water Pipeline*
Location:- *Odisha*
Salary :- *10k* ( fooding and lodging Free)
Experience:- *fresher*
Qualification: *ASNT LEVAL 2*
Company name: *sai bharat ndt service*
Intersted candidates Send Cv on this _Whatsapp_ 8603650077
MAIL ๐ฌ: [email protected]
*Only Freshers*
*Water Pipeline*
Location:- *Odisha*
Salary :- *10k* ( fooding and lodging Free)
Experience:- *fresher*
Qualification: *ASNT LEVAL 2*
Company name: *sai bharat ndt service*
Intersted candidates Send Cv on this _Whatsapp_ 8603650077
MAIL ๐ฌ: [email protected]
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:30
Currently we have Opening for the position of NDT Technician with biggest group of company based at Saudi Arabia location if you are intrested kindly share me your updated Resume to mail id [email protected] to know more details call on 7337069993
Basic salary - 2500 to 3500 SAR
food Allowance - 250
Over time
Bhargavi / HR Recruiter
M โ +91 7337069993
Email : [email protected]
Basic salary - 2500 to 3500 SAR
food Allowance - 250
Over time
Bhargavi / HR Recruiter
M โ +91 7337069993
Email : [email protected]
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:29
Urgent requirement for QA/Qc Assistant for fabrication industry in Baikampady, Mangalore.
Qualification : Diploma in Mechanical Engineering.
Fresher or Experienced.
If interested plz mail
your resume to [email protected]
Qualification : Diploma in Mechanical Engineering.
Fresher or Experienced.
If interested plz mail
your resume to [email protected]
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:29
Urgent requirement for Malaysia
PCN UT (3.8,3.9) - 01
Salary:5000 MYR
Experience:2 years experience needed
Note : *those who are available in India only contact*
Duty hrs:10
Accomodation and transportation company provided
Interested person send your cv +973 3934 4670(what's app only)
PCN UT (3.8,3.9) - 01
Salary:5000 MYR
Experience:2 years experience needed
Note : *those who are available in India only contact*
Duty hrs:10
Accomodation and transportation company provided
Interested person send your cv +973 3934 4670(what's app only)
NDT & QA/QC Jobs and Study Materials
04 Dec, 16:29
Currently we have Opening for the position of NDT Technician with biggest group of company based at Saudi Arabia location if you are intrested kindly share me your updated Resume to mail id [email protected] to know more details call on 7337069993
Basic salary - 2500 to 3500 SAR
food Allowance - 250
Over time
Bhargavi / HR Recruiter
M โ +91 7337069993
Email : [email protected]
Basic salary - 2500 to 3500 SAR
food Allowance - 250
Over time
Bhargavi / HR Recruiter
M โ +91 7337069993
Email : [email protected]
NDT & QA/QC Jobs and Study Materials
04 Dec, 15:39
What Is the Role of Calibration in Mechanical QC?
NDT & QA/QC Jobs and Study Materials
21 Nov, 14:24
Date of vacancy post 21-11-24
Urgent Requirement
RT Radiographer
Minimum experience Casting and Welding 3 year's above
JOB location Pune
Salary 25k to 32k
Duty 8 to 10 hours
If any person intrested WhatsApp
+91 76672 66334
Urgent Requirement
RT Radiographer
Minimum experience Casting and Welding 3 year's above
JOB location Pune
Salary 25k to 32k
Duty 8 to 10 hours
If any person intrested WhatsApp
+91 76672 66334
NDT & QA/QC Jobs and Study Materials
21 Nov, 13:58
Date of vacancy post 21-11-24
Need UT / UTG Technician with valid ASNT / PCN UT Qualification with 3 years of experience.
Total Vacancy : 6 Nos
Salary is not a constraint for right candidate
Please share your resume to [email protected]
Need UT / UTG Technician with valid ASNT / PCN UT Qualification with 3 years of experience.
Total Vacancy : 6 Nos
Salary is not a constraint for right candidate
Please share your resume to [email protected]
NDT & QA/QC Jobs and Study Materials
21 Nov, 13:57
Date of vacancy post 21-11-24
Dear all,
Greetings for the day..!
We have Vacancy for Chitradurga, Karnataka, Location,
Position: Steel TPI
Qualifications required: Diploma /Degree in Mechanical Engineering,
NDT Level-2 (RT,UT, LPT MPT)
Experience:Min. 04Years for Diploma & 03 Years for Degree
Salary In hand:Rs.30,000 Per Month
OT:Rs.100 per hour after 09 hours duty
Sunday or Client Holiday: Rs.1350 fixed
Medical insurance: Upto 03 Lacks
Note: Salary shall be credit every month on 07th Day...without fail..!
Immediate Joining...!!
Email id:[email protected]
Thanks with regards,
Gyanchand Jaiswar,
Project coordinator,
Apave Assessments India Pvt.Ltd
Dear all,
Greetings for the day..!
We have Vacancy for Chitradurga, Karnataka, Location,
Position: Steel TPI
Qualifications required: Diploma /Degree in Mechanical Engineering,
NDT Level-2 (RT,UT, LPT MPT)
Experience:Min. 04Years for Diploma & 03 Years for Degree
Salary In hand:Rs.30,000 Per Month
OT:Rs.100 per hour after 09 hours duty
Sunday or Client Holiday: Rs.1350 fixed
Medical insurance: Upto 03 Lacks
Note: Salary shall be credit every month on 07th Day...without fail..!
Immediate Joining...!!
Email id:[email protected]
Thanks with regards,
Gyanchand Jaiswar,
Project coordinator,
Apave Assessments India Pvt.Ltd
NDT & QA/QC Jobs and Study Materials
21 Nov, 13:56
Date of vacancy post 21-11-24
Urgent requirement for Qatar offshore project
NDT inspectors
Salary: 350 dollar per day
Certification: PCN UT+PAUT+ rope Access mandatory
Experience: 5 years experience minimum needed
Food and acc company
30 days on 30 days off
*Note : off no salary*
Those who are in India only contact
Interview mode : cv selection and zoom interview
Interested person send your cv *[email protected]*
Urgent requirement for Qatar offshore project
NDT inspectors
Salary: 350 dollar per day
Certification: PCN UT+PAUT+ rope Access mandatory
Experience: 5 years experience minimum needed
Food and acc company
30 days on 30 days off
*Note : off no salary*
Those who are in India only contact
Interview mode : cv selection and zoom interview
Interested person send your cv *[email protected]*
NDT & QA/QC Jobs and Study Materials
21 Nov, 13:55
Date of vacancy post received 21-11-24
(SIGMA NDT SERVICES PVT.LTD)
Greetings,
Urgent Requirement for RT Technicians to work in a Challenging and Competitive Environment.
Position - required RT LEVEL I & II TECHNICIANS
Work Location โ Gujarat
Salary โ Based on Performance in the Interview.
Candidates should be immediately available.
Contact Details โ
Sigma NDT Services Pvt Ltd,
Contact Person - Ramya- 9176235555
Email ID โ [email protected]
(SIGMA NDT SERVICES PVT.LTD)
Greetings,
Urgent Requirement for RT Technicians to work in a Challenging and Competitive Environment.
Position - required RT LEVEL I & II TECHNICIANS
Work Location โ Gujarat
Salary โ Based on Performance in the Interview.
Candidates should be immediately available.
Contact Details โ
Sigma NDT Services Pvt Ltd,
Contact Person - Ramya- 9176235555
Email ID โ [email protected]
NDT & QA/QC Jobs and Study Materials
18 Nov, 15:57
Date of vacancy post 18-11-24
(TESCOINSPECTIONSERVICES)
Urgent Requirements for PCN UT 3.1,3.2,3.8,3.39 & MT inspectors
Location โ UAE & KSA Saudi Arabia
Certification- PCN Level 2
Duration- Long Term
Qty -15 Person
Salary โBased on interview performance
Contact - 9042695609
Email id โ [email protected]
(TESCOINSPECTIONSERVICES)
Urgent Requirements for PCN UT 3.1,3.2,3.8,3.39 & MT inspectors
Location โ UAE & KSA Saudi Arabia
Certification- PCN Level 2
Duration- Long Term
Qty -15 Person
Salary โBased on interview performance
Contact - 9042695609
Email id โ [email protected]
NDT & QA/QC Jobs and Study Materials
18 Nov, 15:55
Date of vacancy post 18-11-24
*Urgently Required for Radiographers*
Location :- TamilNadu
*Radiographic interpretators -01 no*
Salary - negotiable
*RT Technician's - 02 nos*
Salary 17k to 22k
Food allowance - 1500 monthly
Acc company provided
Min 2 to 3 years experience in casting and welding needed
Interested person send your cv:-
+916383979198
( what's app only)
*Urgently Required for Radiographers*
Location :- TamilNadu
*Radiographic interpretators -01 no*
Salary - negotiable
*RT Technician's - 02 nos*
Salary 17k to 22k
Food allowance - 1500 monthly
Acc company provided
Min 2 to 3 years experience in casting and welding needed
Interested person send your cv:-
+916383979198
( what's app only)
NDT & QA/QC Jobs and Study Materials
18 Nov, 15:54
Date of vacancy post 18-11-24
Urgent requirement for Qatar offshore project
NDT inspectors
Salary: 350 dollar per day
Certification: PCN UT+PAUT+ rope Access mandatory
Experience: 5 years experience minimum needed
Food and acc company
30 days on 30 days off
*Note : off no salary*
Those who are in India only contact
Interview mode : cv selection and zoom interview
Interested person send your cv +973 3934 4670( what's app only)
Urgent requirement for Qatar offshore project
NDT inspectors
Salary: 350 dollar per day
Certification: PCN UT+PAUT+ rope Access mandatory
Experience: 5 years experience minimum needed
Food and acc company
30 days on 30 days off
*Note : off no salary*
Those who are in India only contact
Interview mode : cv selection and zoom interview
Interested person send your cv +973 3934 4670( what's app only)
NDT & QA/QC Jobs and Study Materials
15 Nov, 13:36
Date of vacancy post 15-11-24
Urgent Requirement: PWHT Technician & Helper
Location: Bihar, Buxar (Long-term Project)
We are looking for skilled PWHT technicians and helpers for an ongoing project.
๐ Job Location: Buxar, Bihar
๐ Position:
โข PWHT Technician
โข Helper
๐ Contact: +91 8551888734
Urgent Requirement: PWHT Technician & Helper
Location: Bihar, Buxar (Long-term Project)
We are looking for skilled PWHT technicians and helpers for an ongoing project.
๐ Job Location: Buxar, Bihar
๐ Position:
โข PWHT Technician
โข Helper
๐ Contact: +91 8551888734
NDT & QA/QC Jobs and Study Materials
15 Nov, 07:37
๐๐๐ซ๐๐ง๐๐ฌ๐ฌ, ๐๐ญ๐ซ๐๐ง๐ ๐ญ๐ก& ๐๐จ๐ฎ๐ ๐ก๐ง๐๐ฌ๐ฌ:
In the discipline of metallography and metal analysis hardness, toughness, and strength are three distinct properties yet also share some overlap. Together, the three properties make up what is commonly referred to as metal โstrength.โ Hereโs how these three metal properties are different and how they also overlap and work together:
๐๐๐ซ๐๐ง๐๐ฌ๐ฌ: A materialโs ability to withstand friction, essentially abrasion resistance, is known as hardness. Diamonds are among the hardest substances known to man, it is incredibly difficult to scratch a diamond. However, while a diamond is hard it is not tough. If you took a hammer to a diamond it would shatter, which demonstrates that not all materials that are hard are also tough. In the world of metal tools, drill bits and grinding discs must be extremely hard to be able to handle high amounts of friction.
๐๐ญ๐ซ๐๐ง๐ ๐ญ๐ก: The amount of force necessary for a material to deform. The higher the force required to change the shape of the material, the stronger the material is. Steel is notoriously difficult to pull apart, hence it has a high strength. Silly putty, on the other hand, is not strong at all, and merely requires a childโs touch to quickly deform this material into all sorts of shapes..
๐๐จ๐ฎ๐ ๐ก๐ง๐๐ฌ๐ฌ: How well the material can resist fracturing when force is applied. Toughness requires strength as well as ductility, which allows a material to deform before fracturing. Do you consider silly putty to be tough stuff? Under these terms, believe it or not, it actually is relatively tough, as it can stretch and deform rather than break.'
In the discipline of metallography and metal analysis hardness, toughness, and strength are three distinct properties yet also share some overlap. Together, the three properties make up what is commonly referred to as metal โstrength.โ Hereโs how these three metal properties are different and how they also overlap and work together:
๐๐๐ซ๐๐ง๐๐ฌ๐ฌ: A materialโs ability to withstand friction, essentially abrasion resistance, is known as hardness. Diamonds are among the hardest substances known to man, it is incredibly difficult to scratch a diamond. However, while a diamond is hard it is not tough. If you took a hammer to a diamond it would shatter, which demonstrates that not all materials that are hard are also tough. In the world of metal tools, drill bits and grinding discs must be extremely hard to be able to handle high amounts of friction.
๐๐ญ๐ซ๐๐ง๐ ๐ญ๐ก: The amount of force necessary for a material to deform. The higher the force required to change the shape of the material, the stronger the material is. Steel is notoriously difficult to pull apart, hence it has a high strength. Silly putty, on the other hand, is not strong at all, and merely requires a childโs touch to quickly deform this material into all sorts of shapes..
๐๐จ๐ฎ๐ ๐ก๐ง๐๐ฌ๐ฌ: How well the material can resist fracturing when force is applied. Toughness requires strength as well as ductility, which allows a material to deform before fracturing. Do you consider silly putty to be tough stuff? Under these terms, believe it or not, it actually is relatively tough, as it can stretch and deform rather than break.'
NDT & QA/QC Jobs and Study Materials
13 Nov, 05:29
Dye Penetrant Testing (DPT), also known as Liquid Penetrant Testing (LPT), is a widely used non-destructive testing (NDT) method to detect surface defects in non-porous materials. Here are the key points:
Overview:-
Purpose: To detect surface discontinuities like cracks, porosity, seams, laps, and other defects in materials.
Suitable Materials: Metals, plastics, ceramics, and other non-porous materials.
Types: Fluorescent Penetrant Testing (visible under UV light) and Visible Dye Penetrant Testing (visible under normal light).
Basic Principle:-
Capillary Action: Penetrant liquid is applied to the surface and enters surface-breaking defects via capillary action.
Surface Cleanliness: Surface must be clean and free of any contaminants for accurate results.
Testing Procedure:-
1. Pre-cleaning: The surface is cleaned to remove dirt, oil, grease, or other contaminants.
2. Application of Penetrant: A liquid penetrant is applied to the surface and allowed to dwell for a specified time.
3. Dwell Time: The time allowed for the penetrant to soak into any surface defects. This depends on the material and defect size.
4. Excess Penetrant Removal: The excess penetrant is carefully removed from the surface without disturbing the penetrant inside defects.
5. Application of Developer: A developer is applied to draw the penetrant out of defects and create a visible indication.
6. Inspection: The surface is inspected under appropriate lighting to identify indications of defects.
7. Post-cleaning: The part is cleaned after inspection to remove any residual penetrant or developer.
Types of Penetrants:-
Water-washable: Can be removed with water.
Solvent-removable: Removed using a solvent cleaner.
Post-emulsifiable: Requires an emulsifier to remove excess penetrant.
Advantages:-
Simple and Cost-effective: Low cost and easy to perform.
Versatility: Can be applied to a wide range of materials.
Sensitivity: Capable of detecting fine cracks and surface discontinuities.
Limitations:-
Surface Defects Only: Cannot detect subsurface defects.
Material Restrictions: Not suitable for porous materials.
Pre-cleaning Requirement: Requires thorough pre-cleaning of the surface.
Environmental and Health Concerns: Some penetrant materials may be hazardous or require special handling.
Applications
Aerospace Industry: Inspection of turbine blades, landing gear, and other critical components.
Automotive Industry: Checking engine blocks, suspension parts, and other components.
Manufacturing: Inspection of welds, castings, and forged parts.
Oil & Gas Industry: Inspecting pipelines, pressure vessels, and storage tanks.
Standards and Specifications:-
ASME Section V: Provides guidelines for penetrant testing in pressure vessels and boilers.
These points provide a comprehensive overview of dye penetrant testing, its principles, procedure, advantages, limitations, and applications.
Overview:-
Purpose: To detect surface discontinuities like cracks, porosity, seams, laps, and other defects in materials.
Suitable Materials: Metals, plastics, ceramics, and other non-porous materials.
Types: Fluorescent Penetrant Testing (visible under UV light) and Visible Dye Penetrant Testing (visible under normal light).
Basic Principle:-
Capillary Action: Penetrant liquid is applied to the surface and enters surface-breaking defects via capillary action.
Surface Cleanliness: Surface must be clean and free of any contaminants for accurate results.
Testing Procedure:-
1. Pre-cleaning: The surface is cleaned to remove dirt, oil, grease, or other contaminants.
2. Application of Penetrant: A liquid penetrant is applied to the surface and allowed to dwell for a specified time.
3. Dwell Time: The time allowed for the penetrant to soak into any surface defects. This depends on the material and defect size.
4. Excess Penetrant Removal: The excess penetrant is carefully removed from the surface without disturbing the penetrant inside defects.
5. Application of Developer: A developer is applied to draw the penetrant out of defects and create a visible indication.
6. Inspection: The surface is inspected under appropriate lighting to identify indications of defects.
7. Post-cleaning: The part is cleaned after inspection to remove any residual penetrant or developer.
Types of Penetrants:-
Water-washable: Can be removed with water.
Solvent-removable: Removed using a solvent cleaner.
Post-emulsifiable: Requires an emulsifier to remove excess penetrant.
Advantages:-
Simple and Cost-effective: Low cost and easy to perform.
Versatility: Can be applied to a wide range of materials.
Sensitivity: Capable of detecting fine cracks and surface discontinuities.
Limitations:-
Surface Defects Only: Cannot detect subsurface defects.
Material Restrictions: Not suitable for porous materials.
Pre-cleaning Requirement: Requires thorough pre-cleaning of the surface.
Environmental and Health Concerns: Some penetrant materials may be hazardous or require special handling.
Applications
Aerospace Industry: Inspection of turbine blades, landing gear, and other critical components.
Automotive Industry: Checking engine blocks, suspension parts, and other components.
Manufacturing: Inspection of welds, castings, and forged parts.
Oil & Gas Industry: Inspecting pipelines, pressure vessels, and storage tanks.
Standards and Specifications:-
ASME Section V: Provides guidelines for penetrant testing in pressure vessels and boilers.
These points provide a comprehensive overview of dye penetrant testing, its principles, procedure, advantages, limitations, and applications.
NDT & QA/QC Jobs and Study Materials
09 Nov, 05:26
๐ณ๐๐๐๐๐
๐ท๐๐๐๐๐๐๐๐ ๐ป๐๐๐ ๐๐๐ ๐๐๐๐๐๐๐๐๐ ๐๐๐๐๐ ๐๐๐๐
๐
๐ฐ๐๐๐๐๐ ๐๐๐๐๐๐:
Liquid penetrant testing (LPT) is a valuable method for inspecting stainless steel welds, as it can effectively identify surface-breaking defects such as cracks, porosity, and incomplete fusion. Hereโs a detailed overview tailored specifically to the testing of stainless steel welds:
๐ถ๐๐๐๐๐๐๐ ๐๐ ๐ณ๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐ ๐ป๐๐๐๐๐๐ ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐ท๐๐๐๐๐๐: The primary goal is to detect flaws in welds that could compromise the integrity of the welded joint, ensuring the reliability and safety of the component.
๐จ๐๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐๐๐ ๐: Familiarize yourself with relevant standards, such as:
๐จ๐บ๐ป๐ด ๐ฌ165: Standard Guide for Liquid Penetrant Examination.
๐จ๐บ๐ด๐ฌ ๐บ๐๐๐๐๐๐ ๐ฝ: Nondestructive Examination.
๐ณ๐ท๐ป ๐ท๐๐๐๐๐๐ ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐บ๐๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐๐๐:
๐ช๐๐๐๐๐๐๐: Thoroughly clean the weld area to remove contaminants such as oils, grease, paint, and oxidation. Use solvent cleaners or alkaline solutions, ensuring that the surface is free from residues that may interfere with the test.
๐บ๐๐๐๐๐๐ ๐ช๐๐๐ ๐๐๐๐๐: Ensure that the surface is smooth, as rough surfaces can trap penetrants and lead to false indications.
๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐๐๐๐๐๐๐๐:
Select an appropriate penetrant, typically a fluorescent dye or a visible dye, based on the expected defect size and the inspection environment. Apply the penetrant generously over the weld area using spraying, brushing, or dipping techniques.
๐ซ๐๐๐๐ ๐ป๐๐๐:
Allow the penetrant to dwell for the recommended time (usually 10-30 minutes) to ensure it adequately penetrates any surface defects.
๐ฌ๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐ ๐น๐๐๐๐๐๐:
Remove excess penetrant carefully, using a solvent or water (depending on the type of penetrant). Avoid disturbing the penetrant that has seeped into defects.
๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐ซ๐๐๐๐๐๐๐๐:
Apply the developer uniformly over the weld area. The developer helps to draw the penetrant out of the defects, making indications visible.
Inspection:
Inspect the weld area under appropriate lighting conditions. For fluorescent penetrants, use UV light to enhance the visibility of indications.
Look for indications such as cracks, laps, or porosity that may suggest defects in the weld.
๐ฌ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ฐ๐๐๐๐๐๐๐๐๐๐๐๐๐:
Evaluate the indications against the acceptance criteria outlined in applicable standards. Determine whether the defects are acceptable or if further investigation or repair is needed.
๐ฐ๐๐๐๐๐ ๐๐๐๐๐๐:
Liquid penetrant testing (LPT) is a valuable method for inspecting stainless steel welds, as it can effectively identify surface-breaking defects such as cracks, porosity, and incomplete fusion. Hereโs a detailed overview tailored specifically to the testing of stainless steel welds:
๐ถ๐๐๐๐๐๐๐ ๐๐ ๐ณ๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐ ๐ป๐๐๐๐๐๐ ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐ท๐๐๐๐๐๐: The primary goal is to detect flaws in welds that could compromise the integrity of the welded joint, ensuring the reliability and safety of the component.
๐จ๐๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐๐๐ ๐: Familiarize yourself with relevant standards, such as:
๐จ๐บ๐ป๐ด ๐ฌ165: Standard Guide for Liquid Penetrant Examination.
๐จ๐บ๐ด๐ฌ ๐บ๐๐๐๐๐๐ ๐ฝ: Nondestructive Examination.
๐ณ๐ท๐ป ๐ท๐๐๐๐๐๐ ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐บ๐๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐๐๐:
๐ช๐๐๐๐๐๐๐: Thoroughly clean the weld area to remove contaminants such as oils, grease, paint, and oxidation. Use solvent cleaners or alkaline solutions, ensuring that the surface is free from residues that may interfere with the test.
๐บ๐๐๐๐๐๐ ๐ช๐๐๐ ๐๐๐๐๐: Ensure that the surface is smooth, as rough surfaces can trap penetrants and lead to false indications.
๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐๐๐๐๐๐๐๐:
Select an appropriate penetrant, typically a fluorescent dye or a visible dye, based on the expected defect size and the inspection environment. Apply the penetrant generously over the weld area using spraying, brushing, or dipping techniques.
๐ซ๐๐๐๐ ๐ป๐๐๐:
Allow the penetrant to dwell for the recommended time (usually 10-30 minutes) to ensure it adequately penetrates any surface defects.
๐ฌ๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐ ๐น๐๐๐๐๐๐:
Remove excess penetrant carefully, using a solvent or water (depending on the type of penetrant). Avoid disturbing the penetrant that has seeped into defects.
๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐ ๐ซ๐๐๐๐๐๐๐๐:
Apply the developer uniformly over the weld area. The developer helps to draw the penetrant out of the defects, making indications visible.
Inspection:
Inspect the weld area under appropriate lighting conditions. For fluorescent penetrants, use UV light to enhance the visibility of indications.
Look for indications such as cracks, laps, or porosity that may suggest defects in the weld.
๐ฌ๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ฐ๐๐๐๐๐๐๐๐๐๐๐๐๐:
Evaluate the indications against the acceptance criteria outlined in applicable standards. Determine whether the defects are acceptable or if further investigation or repair is needed.
NDT & QA/QC Jobs and Study Materials
08 Nov, 05:37
P Number,A Number,F Number Classification For Welding
NDT & QA/QC Jobs and Study Materials
07 Nov, 05:29
๐ท๐๐๐๐๐
๐๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐๐๐ ๐๐๐๐๐๐๐๐๐ ๐๐๐๐๐ ๐๐๐๐
๐ ๐๐๐๐๐๐๐๐๐๐
๐ถ๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
1. ๐ท๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป
๐ท๐๐๐๐๐ ๐จ๐๐๐๐ ๐ป๐๐๐๐๐๐๐๐๐: PAUT employs multiple ultrasonic transducer elements arranged in a linear or matrix configuration. By adjusting the timing (or phase) of the signals sent from each element, the system can steer the ultrasonic beam to different angles and focus depths without moving the probe.
2. ๐ท๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ท๐จ๐ผ๐ป ๐ฐ๐๐๐๐๐๐๐๐๐
๐น๐๐๐๐๐ ๐จ๐๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐๐๐ ๐: Ensure compliance with relevant standards, such as ASME Section V, AWS D1.6, or ISO 17640.
๐บ๐๐๐๐๐ ๐ฌ๐๐๐๐๐๐๐๐: Use a PAUT system that meets the inspection requirements, including suitable probes (often 1-5 MHz for stainless steel) and software for data visualization.
๐ช๐๐๐๐๐๐๐๐๐๐: Calibrate the PAUT system using a reference block that simulates known defects. This establishes baseline readings and ensures accuracy.
3. ๐ซ๐๐๐ ๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐จ๐๐๐๐๐๐๐
๐น๐๐๐-๐๐๐๐ ๐ฐ๐๐๐๐๐๐: PAUT provides real-time imaging, allowing operators to visualize the weld and detect anomalies quickly.
๐น๐๐๐๐๐๐๐๐: Document findings, including the size, type, and location of any detected flaws. Compare results against acceptance criteria.
4. ๐จ๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐ฏ๐๐๐ ๐บ๐๐๐๐๐๐๐๐๐๐: Capable of detecting small flaws that may be missed by other methods.
๐น๐๐๐๐ ๐ฐ๐๐๐๐๐๐๐๐๐: Covers large areas quickly, reducing overall inspection time.
๐ซ๐๐๐๐๐๐๐ ๐ฐ๐๐๐๐๐๐: Provides clear visual representation of the weld, aiding in better interpretation and decision-making.
5. ๐ช๐๐๐๐๐ ๐๐๐๐๐๐๐๐
๐ถ๐๐๐๐๐๐๐ ๐ป๐๐๐๐๐๐๐: Skilled personnel are required to perform PAUT effectively and interpret results accurately.
๐ช๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ด๐๐๐๐๐๐๐๐๐๐: Regular calibration and maintenance of equipment are crucial for reliable results.
๐ด๐๐๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐๐: Understand the acoustic properties of stainless steel, as variations can affect testing outcomes.
๐ช๐๐๐๐๐๐๐๐๐
PAUT is a powerful tool for inspecting stainless steel welds, enhancing the ability to identify and assess weld quality effectively. By following proper procedures and utilizing advanced technology, PAUT ensures the integrity and safety of welded structures in critical applications.
๐ถ๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
1. ๐ท๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป
๐ท๐๐๐๐๐ ๐จ๐๐๐๐ ๐ป๐๐๐๐๐๐๐๐๐: PAUT employs multiple ultrasonic transducer elements arranged in a linear or matrix configuration. By adjusting the timing (or phase) of the signals sent from each element, the system can steer the ultrasonic beam to different angles and focus depths without moving the probe.
2. ๐ท๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ท๐จ๐ผ๐ป ๐ฐ๐๐๐๐๐๐๐๐๐
๐น๐๐๐๐๐ ๐จ๐๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐๐๐ ๐: Ensure compliance with relevant standards, such as ASME Section V, AWS D1.6, or ISO 17640.
๐บ๐๐๐๐๐ ๐ฌ๐๐๐๐๐๐๐๐: Use a PAUT system that meets the inspection requirements, including suitable probes (often 1-5 MHz for stainless steel) and software for data visualization.
๐ช๐๐๐๐๐๐๐๐๐๐: Calibrate the PAUT system using a reference block that simulates known defects. This establishes baseline readings and ensures accuracy.
3. ๐ซ๐๐๐ ๐จ๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐จ๐๐๐๐๐๐๐
๐น๐๐๐-๐๐๐๐ ๐ฐ๐๐๐๐๐๐: PAUT provides real-time imaging, allowing operators to visualize the weld and detect anomalies quickly.
๐น๐๐๐๐๐๐๐๐: Document findings, including the size, type, and location of any detected flaws. Compare results against acceptance criteria.
4. ๐จ๐ ๐๐๐๐๐๐๐๐ ๐๐ ๐ท๐จ๐ผ๐ป ๐๐๐ ๐บ๐๐๐๐๐๐๐๐ ๐บ๐๐๐๐ ๐พ๐๐๐ ๐
๐ฏ๐๐๐ ๐บ๐๐๐๐๐๐๐๐๐๐: Capable of detecting small flaws that may be missed by other methods.
๐น๐๐๐๐ ๐ฐ๐๐๐๐๐๐๐๐๐: Covers large areas quickly, reducing overall inspection time.
๐ซ๐๐๐๐๐๐๐ ๐ฐ๐๐๐๐๐๐: Provides clear visual representation of the weld, aiding in better interpretation and decision-making.
5. ๐ช๐๐๐๐๐ ๐๐๐๐๐๐๐๐
๐ถ๐๐๐๐๐๐๐ ๐ป๐๐๐๐๐๐๐: Skilled personnel are required to perform PAUT effectively and interpret results accurately.
๐ช๐๐๐๐๐๐๐๐๐๐ ๐๐๐ ๐ด๐๐๐๐๐๐๐๐๐๐: Regular calibration and maintenance of equipment are crucial for reliable results.
๐ด๐๐๐๐๐๐๐ ๐ท๐๐๐๐๐๐๐๐๐: Understand the acoustic properties of stainless steel, as variations can affect testing outcomes.
๐ช๐๐๐๐๐๐๐๐๐
PAUT is a powerful tool for inspecting stainless steel welds, enhancing the ability to identify and assess weld quality effectively. By following proper procedures and utilizing advanced technology, PAUT ensures the integrity and safety of welded structures in critical applications.
NDT & QA/QC Jobs and Study Materials
29 Oct, 01:53
๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ ๐๐จ๐ซ ๐๐ซ๐จ๐๐๐๐ฎ๐ซ๐ ๐๐ฎ๐๐ฅ๐ข๐๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐๐จ๐ซ๐ (๐๐๐)
Under ๐คโ๐๐ก ๐๐๐๐๐ข๐๐ ๐ก๐๐๐๐๐ must the ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ be considered an ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐ฏ๐๐ซ๐ข๐๐๐ฅ๐ for a ๐๐๐๐๐๐๐ข๐๐ ๐๐ข๐๐๐๐๐๐๐๐ก๐๐๐ ๐ ๐๐๐๐๐ (๐๐๐ )?
โข In ๐๐๐๐ ๐๐, ๐๐๐ซ๐ญ ๐๐: ๐๐-๐๐๐ ๐น๐๐๐๐๐ก-๐๐๐๐ ๐๐๐ ๐ก๐ , the required tests for ๐ฉ๐ซ๐จ๐๐๐๐ฎ๐ซ๐ ๐ช๐ฎ๐๐ฅ๐ข๐๐ข๐๐๐ญ๐ข๐จ๐ง (๐๐๐) include the ๐ ๐ซ๐๐๐ญ๐ฎ๐ซ๐ Test and ๐๐๐๐ซ๐จ-๐๐ฑ๐๐ฆ๐ข๐ง๐๐ญ๐ข๐จ๐ง. Additionally, ๐๐๐๐ฅ๐ ๐๐-๐๐๐.๐ specifies that only the fracture and macro-examination tests are mandated for welding procedure qualification. However, under specific circumstances, such as in-service welding of carbon steel piping, ๐๐๐๐ ๐๐๐-๐ mandates the ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ, among other tests, to qualify the welding procedure.
โข The ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ is required to qualify i๐-๐ ๐๐๐ฃ๐๐๐ ๐ค๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐๐ ๐ ๐ก๐๐๐ ๐๐๐๐๐๐, as mandated by the post-construction code ๐๐๐๐ ๐๐๐-๐, ๐๐ซ๐ญ๐ข๐๐ฅ๐ ๐๐๐.
โข ๐๐ง-๐ฌ๐๐ซ๐ฏ๐ข๐๐ ๐ฐ๐๐ฅ๐๐ข๐ง๐ presents unique ๐ก๐๐โ๐๐๐๐๐ ๐โ๐๐๐๐๐๐๐๐ , as described in ๐ด๐๐ก๐๐๐๐ 210, including the risk of ๐๐ฎ๐ซ๐ง-๐ญ๐ก๐ซ๐จ๐ฎ๐ ๐ก and a high potential for ๐๐ฒ๐๐ซ๐จ๐ ๐๐ง ๐๐ง๐๐ฎ๐๐๐ ๐๐ซ๐๐๐ค๐ข๐ง๐ . To address these issues, a specific ๐ฌ๐๐ญ ๐จ๐ ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐ฏ๐๐ซ๐ข๐๐๐ฅ๐๐ฌ and tests are required to qualify the welding procedure, which ๐๐๐๐๐ข๐๐๐ :
๐. ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐๐๐ซ๐ข๐๐๐ฅ๐๐ฌ:
โข ๐ถ๐๐๐๐๐๐ ๐๐๐ก๐ ๐๐๐๐๐ก๐๐ ๐ก๐ 1000ยฐ๐น/๐ (556ยฐ๐ถ/๐ )
โข ๐ถ๐๐๐๐๐ ๐ธ๐๐ข๐๐ฃ๐๐๐๐๐ก (๐ถ๐ธ)
โข ๐ป๐ฆ๐๐๐๐๐๐ ๐๐๐๐-๐๐ข๐ก
๐. ๐๐ฎ๐๐ฅ๐ข๐๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฌ๐ญ๐ฌ:
โข ๐๐๐๐-๐๐๐๐๐ ๐ก๐๐ ๐ก
โข ๐๐๐ก๐๐๐๐๐๐๐๐โ๐ฆ
The complete set of tests is detailed in ๐๐๐๐ฅ๐ ๐๐๐-๐.๐.๐-๐. ๐๐ซ๐ญ๐ข๐๐ฅ๐ ๐๐๐ of ๐ด๐๐๐ธ ๐๐ถ๐ถ-2 ๐๐๐๐ฃ๐๐๐๐ ๐๐๐๐๐๐โ๐๐๐ ๐๐ฃ๐ ๐๐๐๐๐๐๐๐ก๐๐๐ ๐๐ ๐๐๐ ๐๐ ๐ ๐๐๐ก๐๐๐ ๐ฃ๐๐๐๐๐๐๐๐ ๐๐๐ ๐๐๐๐ข๐๐๐๐ ๐ก๐๐ ๐ก๐ .
Under ๐คโ๐๐ก ๐๐๐๐๐ข๐๐ ๐ก๐๐๐๐๐ must the ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ be considered an ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐ฏ๐๐ซ๐ข๐๐๐ฅ๐ for a ๐๐๐๐๐๐๐ข๐๐ ๐๐ข๐๐๐๐๐๐๐๐ก๐๐๐ ๐ ๐๐๐๐๐ (๐๐๐ )?
โข In ๐๐๐๐ ๐๐, ๐๐๐ซ๐ญ ๐๐: ๐๐-๐๐๐ ๐น๐๐๐๐๐ก-๐๐๐๐ ๐๐๐ ๐ก๐ , the required tests for ๐ฉ๐ซ๐จ๐๐๐๐ฎ๐ซ๐ ๐ช๐ฎ๐๐ฅ๐ข๐๐ข๐๐๐ญ๐ข๐จ๐ง (๐๐๐) include the ๐ ๐ซ๐๐๐ญ๐ฎ๐ซ๐ Test and ๐๐๐๐ซ๐จ-๐๐ฑ๐๐ฆ๐ข๐ง๐๐ญ๐ข๐จ๐ง. Additionally, ๐๐๐๐ฅ๐ ๐๐-๐๐๐.๐ specifies that only the fracture and macro-examination tests are mandated for welding procedure qualification. However, under specific circumstances, such as in-service welding of carbon steel piping, ๐๐๐๐ ๐๐๐-๐ mandates the ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ, among other tests, to qualify the welding procedure.
โข The ๐๐ข๐๐ค-๐๐ซ๐๐๐ค ๐ญ๐๐ฌ๐ญ is required to qualify i๐-๐ ๐๐๐ฃ๐๐๐ ๐ค๐๐๐๐๐๐ ๐๐ ๐๐๐๐๐๐ ๐ ๐ก๐๐๐ ๐๐๐๐๐๐, as mandated by the post-construction code ๐๐๐๐ ๐๐๐-๐, ๐๐ซ๐ญ๐ข๐๐ฅ๐ ๐๐๐.
โข ๐๐ง-๐ฌ๐๐ซ๐ฏ๐ข๐๐ ๐ฐ๐๐ฅ๐๐ข๐ง๐ presents unique ๐ก๐๐โ๐๐๐๐๐ ๐โ๐๐๐๐๐๐๐๐ , as described in ๐ด๐๐ก๐๐๐๐ 210, including the risk of ๐๐ฎ๐ซ๐ง-๐ญ๐ก๐ซ๐จ๐ฎ๐ ๐ก and a high potential for ๐๐ฒ๐๐ซ๐จ๐ ๐๐ง ๐๐ง๐๐ฎ๐๐๐ ๐๐ซ๐๐๐ค๐ข๐ง๐ . To address these issues, a specific ๐ฌ๐๐ญ ๐จ๐ ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐ฏ๐๐ซ๐ข๐๐๐ฅ๐๐ฌ and tests are required to qualify the welding procedure, which ๐๐๐๐๐ข๐๐๐ :
๐. ๐๐ฌ๐ฌ๐๐ง๐ญ๐ข๐๐ฅ ๐๐๐ซ๐ข๐๐๐ฅ๐๐ฌ:
โข ๐ถ๐๐๐๐๐๐ ๐๐๐ก๐ ๐๐๐๐๐ก๐๐ ๐ก๐ 1000ยฐ๐น/๐ (556ยฐ๐ถ/๐ )
โข ๐ถ๐๐๐๐๐ ๐ธ๐๐ข๐๐ฃ๐๐๐๐๐ก (๐ถ๐ธ)
โข ๐ป๐ฆ๐๐๐๐๐๐ ๐๐๐๐-๐๐ข๐ก
๐. ๐๐ฎ๐๐ฅ๐ข๐๐ข๐๐๐ญ๐ข๐จ๐ง ๐๐๐ฌ๐ญ๐ฌ:
โข ๐๐๐๐-๐๐๐๐๐ ๐ก๐๐ ๐ก
โข ๐๐๐ก๐๐๐๐๐๐๐๐โ๐ฆ
The complete set of tests is detailed in ๐๐๐๐ฅ๐ ๐๐๐-๐.๐.๐-๐. ๐๐ซ๐ญ๐ข๐๐ฅ๐ ๐๐๐ of ๐ด๐๐๐ธ ๐๐ถ๐ถ-2 ๐๐๐๐ฃ๐๐๐๐ ๐๐๐๐๐๐โ๐๐๐ ๐๐ฃ๐ ๐๐๐๐๐๐๐๐ก๐๐๐ ๐๐ ๐๐๐ ๐๐ ๐ ๐๐๐ก๐๐๐ ๐ฃ๐๐๐๐๐๐๐๐ ๐๐๐ ๐๐๐๐ข๐๐๐๐ ๐ก๐๐ ๐ก๐ .
NDT & QA/QC Jobs and Study Materials
27 Oct, 15:22
*Tank Bulging and Its Effects on Nozzles*
1. What is Tank Bulging?
โข Tank bulging occurs when the tank shell expands outward at the bottom due to increased liquid pressure, which is higher at the bottom than at the top.
2. Why Does It Happen?
โข In large tanks (10mโ60m diameter) filled with liquid, the varying liquid heights create different pressures. The highest pressure is at the bottom, causing the shell to expand. Unlike equipment with smaller diameters (up to 3m) or internal pressure, tanks experience significant radial growth due to their size and structure.
3. Impact on Nozzles
โข This bulging results in nozzle displacement:
โข Nozzles on the lower part of the tank rotate downward.
โข Nozzles on the upper part rotate upward, moving radially outward and slightly tilting due to the bulge.
1. What is Tank Bulging?
โข Tank bulging occurs when the tank shell expands outward at the bottom due to increased liquid pressure, which is higher at the bottom than at the top.
2. Why Does It Happen?
โข In large tanks (10mโ60m diameter) filled with liquid, the varying liquid heights create different pressures. The highest pressure is at the bottom, causing the shell to expand. Unlike equipment with smaller diameters (up to 3m) or internal pressure, tanks experience significant radial growth due to their size and structure.
3. Impact on Nozzles
โข This bulging results in nozzle displacement:
โข Nozzles on the lower part of the tank rotate downward.
โข Nozzles on the upper part rotate upward, moving radially outward and slightly tilting due to the bulge.
NDT & QA/QC Jobs and Study Materials
26 Oct, 09:53
๐๐๐ถ๐ฑ๐ฒ ๐ณ๐ผ๐ฟ ๐๐น๐ฎ๐๐ ๐ฆ๐ต๐ฎ๐ฑ๐ฒ ๐ก๐๐บ๐ฏ๐ฒ๐ฟ๐
Welding glass shades are designed to ๐ฝ๐ฟ๐ผ๐๐ฒ๐ฐ๐ ๐๐ฒ๐น๐ฑ๐ฒ๐ฟ๐, particularly their ๐ฒ๐๐ฒ๐, from ๐ฉ๐ข๐ณ๐ฎ๐ง๐ถ๐ญ ๐ณ๐ข๐ฅ๐ช๐ข๐ต๐ช๐ฐ๐ฏ emitted during the welding process. Prolonged or repeated exposure to this radiation can ๐ฐ๐ฎ๐๐๐ฒ ๐๐ฒ๐ฟ๐ถ๐ผ๐๐ ๐ฒ๐๐ฒ ๐ฑ๐ฎ๐บ๐ฎ๐ด๐ฒ, including retinal burns. General recommendations for selecting appropriate glass shade numbers are provided in the ๐๐ช๐ฆ ๐๐ฎ๐ป๐ฑ๐ฏ๐ผ๐ผ๐ธ ๐ฉ๐ผ๐น๐๐บ๐ฒ ๐ญ, ๐๐ต๐ฎ๐ฝ๐๐ฒ๐ฟ ๐ญ๐ณ: Safe Practices, which outlines the safe use of protective equipment ๐ต๐ฐ ๐ฎ๐ช๐ฏ๐ช๐ฎ๐ช๐ป๐ฆ ๐ฆ๐น๐ฑ๐ฐ๐ด๐ถ๐ณ๐ฆ ๐ณ๐ช๐ด๐ฌ๐ด.
The attached image outlines the minimum requirements for glass shade numbers, with recommendations based on welding processes and corresponding amperage levels. These guidelines help ensure adequate eye protection by specifying the appropriate shade to use, depending on the intensity of the welding arc and the type of process employed.
Welding glass shades are designed to ๐ฝ๐ฟ๐ผ๐๐ฒ๐ฐ๐ ๐๐ฒ๐น๐ฑ๐ฒ๐ฟ๐, particularly their ๐ฒ๐๐ฒ๐, from ๐ฉ๐ข๐ณ๐ฎ๐ง๐ถ๐ญ ๐ณ๐ข๐ฅ๐ช๐ข๐ต๐ช๐ฐ๐ฏ emitted during the welding process. Prolonged or repeated exposure to this radiation can ๐ฐ๐ฎ๐๐๐ฒ ๐๐ฒ๐ฟ๐ถ๐ผ๐๐ ๐ฒ๐๐ฒ ๐ฑ๐ฎ๐บ๐ฎ๐ด๐ฒ, including retinal burns. General recommendations for selecting appropriate glass shade numbers are provided in the ๐๐ช๐ฆ ๐๐ฎ๐ป๐ฑ๐ฏ๐ผ๐ผ๐ธ ๐ฉ๐ผ๐น๐๐บ๐ฒ ๐ญ, ๐๐ต๐ฎ๐ฝ๐๐ฒ๐ฟ ๐ญ๐ณ: Safe Practices, which outlines the safe use of protective equipment ๐ต๐ฐ ๐ฎ๐ช๐ฏ๐ช๐ฎ๐ช๐ป๐ฆ ๐ฆ๐น๐ฑ๐ฐ๐ด๐ถ๐ณ๐ฆ ๐ณ๐ช๐ด๐ฌ๐ด.
The attached image outlines the minimum requirements for glass shade numbers, with recommendations based on welding processes and corresponding amperage levels. These guidelines help ensure adequate eye protection by specifying the appropriate shade to use, depending on the intensity of the welding arc and the type of process employed.
NDT & QA/QC Jobs and Study Materials
25 Oct, 21:29
Date of vacancy post 26-10-2024
*Walk-In Interviews* at *Isgec Hitachi Zosen Ltd-Dahej for Welders, Fabrication Fitters, Electricians, and Maintenance Fitters*
Dear All,
We are excited to announce that *Isgec Hitachi Zosen Ltd-Dahej* is conducting walk-in interviews for the following positions on *company payroll (Permanent):*
*Welder*
*Fabrication Fitter*
*Electrician*
*Maintenance Fitter*
*Qualification:* ITI
*Experience:* 03 to 10 years in fabrication or heavy engineering industries
*Interview Date & Time:*
28th October, 2024, 09:30 AM
*Address* 13-B GIDC, Industrial Estate Dahej, Tal. Vagra, Dist.- Bharuch, Gujarat.390130
*Interview Location:*
Find the location on Google Maps: Click Here(https://maps.app.goo.gl/DyiBjwjP2WKLafff6)
*Documents Required:*
1.Updated CV
2.One passport-size photograph
3.ITI certificate and marks sheets or result.
4.All experience certificates
5.Last three months' salary slips
*Facilities Provided:*
1.Free AC Bus Facility
2.Subsidized Food on Duty
3.Free Family Medical Insurance
4.Free PPEs (Uniform, 5.Safety Shoes, Helmet, etc.)
5.Leaves and Paid Holidays
6.Annual Salary Increment
7.Bonus
8.Exciting Overtime Opportunities
We look forward to meeting you at the interview!
*Walk-In Interviews* at *Isgec Hitachi Zosen Ltd-Dahej for Welders, Fabrication Fitters, Electricians, and Maintenance Fitters*
Dear All,
We are excited to announce that *Isgec Hitachi Zosen Ltd-Dahej* is conducting walk-in interviews for the following positions on *company payroll (Permanent):*
*Welder*
*Fabrication Fitter*
*Electrician*
*Maintenance Fitter*
*Qualification:* ITI
*Experience:* 03 to 10 years in fabrication or heavy engineering industries
*Interview Date & Time:*
28th October, 2024, 09:30 AM
*Address* 13-B GIDC, Industrial Estate Dahej, Tal. Vagra, Dist.- Bharuch, Gujarat.390130
*Interview Location:*
Find the location on Google Maps: Click Here(https://maps.app.goo.gl/DyiBjwjP2WKLafff6)
*Documents Required:*
1.Updated CV
2.One passport-size photograph
3.ITI certificate and marks sheets or result.
4.All experience certificates
5.Last three months' salary slips
*Facilities Provided:*
1.Free AC Bus Facility
2.Subsidized Food on Duty
3.Free Family Medical Insurance
4.Free PPEs (Uniform, 5.Safety Shoes, Helmet, etc.)
5.Leaves and Paid Holidays
6.Annual Salary Increment
7.Bonus
8.Exciting Overtime Opportunities
We look forward to meeting you at the interview!
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