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  1. Bjorn Nilsson

    ASME PCC-2 Article 212 Fillet Welded Patches

    I've tried for some time to understand if PCC-2 Article 212 eq.(5) assumes weld leg have the same dimensions as the required patch plate thickness, or if it's enough to go with eq.(4) for sizing the weld. Based on the approach used by JAR10 (cred!) in the referenced thread, I've delved deeper...
  2. Bjorn Nilsson

    API 579 Part 5 - Supplemental Loads

    Hello, When performing a Part 5 Level 2 assessment, one may reach a pass/fail in 5.4.3.2 STEP 10 where a fail may be re-assessed through 5.4.3.4. 5.4.3.4 clearly takes supplemental loads into account. Does this mean indirect that supplemental loads may be neglected in 5.4.3.2 for the...
  3. Bjorn Nilsson

    API 579 - Local Metal Loss - Component Types?

    Hi, For Local Metal Loss, API579 limits the diameter of horizontal vessels to D ≤ 3.05m (10 ft). Thus pressure vessels with a diameter exceeding this cannot be treated as Type A components. I would then expect such a vessel to be a Type B or C component but I have some trouble understanding the...

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