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Masterclass: Thin and thick walled piping conform ASME B31.3

  • 30 October 2025 (14:00-16:00 CEST)
  • A Masterclass
  • 2 Hour Session
  • Interactive Q&A
  • Trusted by professionals
  • Certification included

Why take this course?

This live masterclass explores the differences between thin and thick-walled piping thickness calculations under internal pressure. You'll learn why the thin-wall approximation is limited by D/t ratio, and how to derive and apply Lame’s equations. The session shows how these equations are included in the design rules of ASME B31.3 304.1.2 and K304.1.2, and the practical impacts on manufacturing and inspection when the thick-wall criteria are used.

What you'll learn

After this live masterclass you,
• Learn the thin-walled approximation for piping, why is it only appropriate until a certain D/t ratio
• Investigate the influence of inner, outer and mean on the diameter on the basic thin-walled assumption, and how this relates to ASME B31.3 304.1.2 including Y and E.
• The derivation of Lame's equation for thick-walled piping
• Comparison of Lame's equation with the design rules in ASME B31.3 K304.1.2
• Learn about the practical implications on manufacturing and inspection if the ASME B31.3 thick-walled rules are used

About the course

Join us for this instructor-led masterclass on Thin and Thick-walled Piping Conform ASME B31.3. Designed for early-career piping engineers or those seeking to revisit the basics, this instructor-led course explores the fundamental rules for thin and thick walled pipe thickness from the perspective of the design rules of the ASME B31.3.

In the explanation of the thin-walled formulas it will be shown why the D/t cut off is where it is, which diameter is used in and what is the role of the factors E and Y? Lame's formula for the hoop stress profile through a pipe wall will then be shown and how it can be derived. How this relates to the calculation and together with a brief overview of the implications of using ASME B31.3 Section K for the manufacture and inspection steps will be detailed. Your instructor will encourage an open discussion, answering your questions throughout the session, and taking you through worked examples to ensure you leave with background knowledge that you can apply going forward.

Meet your instructor

Geronimo Zamora Garcia

Senior Piping Stress and Supports Engineer, member of ASME B31.3 IRG

Piping Stress & Support Specialist

Who should attend this course

• Junior piping engineers (0 to 3 years experience).
• Those using pipe stress software who want to know what is behind the analysis.
• Pipe designers who want to become more familiar with the ASME B31.3 design code

Program & Details

  • 1. Stress directions in piping
    2. A pressurized cylinder
    3. Radial Stress Forces & Moments on piping
    4. Stress versus strain relationships
    5. Mohr’s circle & principal stresses
    6. Stress failure criteria : Von Misses, Tresca & Rankine
    7. Pipe stress as per the ASME B31.3 design code

Certification

A personal digital certificate will be made available upon successful completion of the course. A sample Certificate is shown below.

Related courses

Masterclass: Thin and thick walled piping conform ASME B31.3

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The most valuable part of the masterclass was being able to ask direct questions to industry experts, it turned theory into real-world insight.

Engineer - KH Engineering


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