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  • Users: mechazm
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  1. mechazm

    mock up test

    Dear experts, As per ASME Sec IX, Mock up welds for tube to tubesheet welds shall be subjected to Macro examination. As per ASME Sec IX. QW -193.1.3 " The mockup welds shall be sectioned through the center of the tube for macro-examination. The four exposed surfaces shall be smoothed and etched...
  2. mechazm

    NDT for Annular plates for API 650 storage tanks

    Dear Experts, Case 1) As per API 650 2013ed. para. 8.1.2.9 "When bottom annular plates are required by 5.5.1, or by M.4.1, the radial joints shall be radiographed". If annular plates were required as per Seismic calculation instead of 5.5.1 or M.4.1, Radiographic examination is still Mandatory...
  3. mechazm

    Qualified thickness of nozzle to shell with pad (ASME Sec IX)

    Consider a nozzle to shell attachment detail with re-pad as below sketch. Both nozzle to pad and nozzle to shell welds are full penetration. In this sketch: 1- for re-pad to nozzle weld joint: Both t1 & t2 shall be qualified as per ASME Sec IX 2- for shell to nozzle weld joint: Both t1 & t3...

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