Table of Contents
Pipe Thickness Calculations as per ASME 31.1, 31.12, 31.3
The course on Pipe Thickness Calculations w.r.t. ASME 31.1, 31.12, 31.3 has been developed to explain the fundamentals of Pipe thickness calculations, also the thickness calculations for High pressure & external pressure are explained in detail. The content is organized in a systematic manner so that the first timers can also understand. Course content is based on practical problems and solutions, which is created by experienced professionals with decades of experience in the relevant field. Please Note: The course is Published on EPCLand platform which is learning management system (LMS) and designed for online courses.
The purpose of this article is to give answers to the basic questions about the course which commonly comes into the mind before enrolling to the published courses. So Let’s begin with details and look at various sections of the article.
Attempt Questions on Pipe Thickness
1. According to ASME B31.3, how should the minimum wall thickness of a straight pipe segment be calculated?
Choose the correct answer:
Explanation: According to ASME B31.3, the minimum wall thickness of a straight pipe segment should be calculated using the design pressure and temperature conditions, and considering additional factors like corrosion allowance and mechanical loads.
2. What does ASME B31.1 specify regarding the calculation of pipe thickness?
Choose the correct answer:
Explanation: ASME B31.1 provides formulas based on hydraulic analysis and accounts for factors such as maximum allowable stress, material properties, and service conditions to determine pipe thickness.
3. According to ASME B31.12, what is a critical consideration in determining the pipe wall thickness for refrigeration piping?
Choose the correct answer:
Explanation: According to ASME B31.12, a critical consideration in determining the pipe wall thickness for refrigeration piping is the refrigerant type and pressure, which impacts the design and safety of the piping system.
Major Learnings from Course
Pipe thickness calculations are very important aspects of Piping Engineering. Process piping, Hydrogen Piping, Power plant has different codes which need to be followed while calculating the thicknesses. Also, the High pressure piping has different criteria to calculate the thickness. Moreover, External piping’s thickness calculations are different than the others.
In this course following shall be covered:
1. Difference Between ASME 31.3 & ASME 31.1
- Application
- Allowable Stress
- Design Life
- Factor of Safety
- Pipe Wall thickness
- Post weld Heat Treatment
- Random Inspection
- Testing
2. Difference Between ASME 31.3 & ASME 31.12
- Application
- Thickness Calculation
- Branch Connection Requirements
- Materials
- NDE requirement
- Welding Requirements
3. Pipe Thickness Calculations
Parameters Based on
- ASME B31.1
- ASME B31.3
- ASME B31.12
- High Pressure Piping
- External Pressure
4. Actual Pipe Thickness Calculations & Comparison
- ASME B31.1
- ASME B31.3
- ASME B31.12
- High Pressure Piping
- External Pressure
What is the duration of course
Total duration of the course is 2.5 hours. However, it is recommended to watch the lecture at least thrice, so that the fundamentals covered can be easily grabbed.
Recommendations to proceed further
- It is highly recommended that watching all the lecture continuously in a single sitting should be avoided.
- Prepare a schedule of 1-2 hours on daily basis.
- Write down the learning in short or in the form of your own notes
- List out the queries or doubts and share at Forums of Engineers Land.
- Join Telegram group and register to keep yourself updated with the latest published content on EPCLand and Engineers Land.
Top Benefits of Piping Engineering course
- Lifetime access once enrolled
- Same lecture can be watched as many times as you want
- Flexibility of time and location
- Readymade notes which can be referred before interviews and working on live projects
- Become part of professional communities on Telegram & Engineers Land.
Prerequisites of this course
- Willingness to learn
- Complete clarity on where you see yourself after 3-5 years
- Awareness of Energy sector (Click here to read about Scope of Piping Engineers)
FAQs on Pipe Thickness
What is ASME B31.1, B31.3, and B31.12?
- ASME B31.1 covers Power Piping.
- ASME B31.3 covers Process Piping.
- ASME B31.12 covers Hydrogen Piping and Pipelines.
What are the key differences in pipe thickness calculations between ASME B31.1 and B31.3?
- ASME B31.1 primarily considers high-pressure steam and power generation systems, while B31.3 focuses on chemical process piping with different design criteria and material selections.
How is pipe wall thickness calculated according to ASME B31.1 and B31.3?
- Both codes use similar methods based on internal pressure, external loads, temperature, material properties, and factors for safety and corrosion allowance.
What is the importance of corrosion allowance in pipe thickness calculations?
- Corrosion allowance is added to the calculated minimum thickness to account for anticipated corrosion over the design life of the piping system.
When is flexibility analysis required in pipe thickness calculations as per ASME codes?
- Flexibility analysis is required to ensure that stresses generated due to thermal expansion and contraction do not exceed allowable limits, especially in B31.3 for process piping subjected to varying temperatures.
How does material selection affect pipe thickness calculations?
- Different materials have varying strengths and corrosion resistances, which influence the minimum required thickness to withstand operational pressures and environmental conditions.
What are the considerations for thermal expansion and contraction in pipe thickness design?
- Thermal expansion can impose significant stress on piping systems, necessitating adequate flexibility in design and sometimes thicker walls to manage these stresses safely.
What is the role of pressure design thickness in ASME B31 codes?
- Pressure design thickness accounts for the internal pressure and any other loads that may affect the integrity of the pipe, ensuring it can withstand operating conditions without failure.
How are weld joint factors applied in pipe thickness calculations?
- Weld joint factors adjust the calculated thickness to account for the reduced strength at welded joints compared to the base material, ensuring the welds do not become weak points.
What are the implications of code compliance in pipe thickness calculations?
- Compliance with ASME B31.1, B31.3, or B31.12 ensures that piping systems meet safety standards, operational requirements, and regulatory obligations, providing a framework for reliable and safe operation.
How to be an expert in piping engineering
Recommended courses (Published on EPCLand):
Don’t miss 7 Free courses available for Enrolment
Along with the above mentioned recommend courses, there are 7 free course which available on EPCLand platform. These courses are just published so that the candidates can get use to the interface of EPCLand and get a feel how the lectures are available and organised on this platform. Following are the links to the free courses:
Recommended YouTube Playlists
- 2 minutes FundasSeries: Explains hundreds of Piping Engineering fundamentals in less than 2 minutes
- Piping questions and answers: It talks about various Questions & Answers to understand the engineering fundamentals
- Piping Engineering Interview preparation: This Section talks about the various questions which are generally aske during interviews
- Subscribe YouTube Channel: Highly recommended to subscribe the Oil and Gas Fundas YouTube channel for various updates
Summary
To conclude, this article talks about the course details on Pipe Thickness calculations explaining what is covered and how to approach after Enrollment. Moreover, it explains how to be part of various professional communities related to piping engineering where candidates can join various ongoing discussions and share the queries.
