ASME Section VIII, Division 1 – 2019 Edition – Changes to U-2(g)

What Do You Do When There Are No Rules? On July 1, 2019, the 2019 Edition of ASME Section VIII, Division 1 will be published.  Among the 117 changes to this Edition will be a revised paragraph U-2(g), and a new Mandatory Appendix 46.  The new U-2(g) will read: (g) This Division of Section VIII […]

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Basics of Design By Analysis in ASME Section VIII, Division 2

How hard can it be?  I’ve heard from several (unnamed) analysts that because they have access to an FEA program and have successfully applied FEA in other fields, that FEA for pressure vessels should be a snap.  What is it about FEA for pressure vessels that makes it unique? I was recently discussing with another […]

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ASME Section VIII, Division 2 Elastic Analysis Discussion: Collapse vs Ratcheting

  So, you think you know what load case combinations to use for your ASME Section VIII, Division 2, Part 5 analysis to satisfy Protection Against? Common sense says to follow to Code rules in Table 5.3 – but do you fully understand what that means? And, what loads should you use to satisfy Protection […]

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Performing an FEA in Section VIII, Division 1 to Qualify an Article U-2(g) Component

  While there are currently no explicit rules on how to perform a finite element analysis (FEA) if you are doing so in support of an ASME Section VIII, Division 1 vessel, there is good practice. Regarding rules, all you have is from Article U-2(g), which says: This Division of Section VIII does not contain […]

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Submitting an FEA Report to ABSA

  The pressure vessel and piping jurisdiction in Alberta, Canada is ABSA – the pressure equipment safety authority. All pressure equipment as defined by the provincial Safety Codes Act must be registered with ABSA. I have been involved in registering piping systems and pressure vessels in this, my home jurisdiction. The focus of this blog […]

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Requirements for an ASME Section VIII, Division 2 UDS – Part 2 of 2

Since the introduction of ASME Section VIII, Division 2 in 1968, a design basis document called a Users Design Specification (UDS) has been a Code requirement. The original requirements from 1968 were rather sparse. So, when Division 2 was re-written and issued in 2007, it was decided to expand the requirements to encompass all of […]

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Requirements for an ASME Section VIII, Division 2 UDS – Part 1 of 2

Since the introduction of ASME Section VIII, Division 2 in 1968, a design basis document called a Users Design Specification (UDS) has been a Code requirement. The original requirements from 1968 were rather sparse. So, when Division 2 was re-written and issued in 2007, it was decided to expand the requirements to encompass all of […]

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