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  • Users: swsweld
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  1. swsweld

    Double Weld or Single Weld on Atmospheric Tank Built to ASME Sect XIII-NDE Requirements

    We have a disagreement on the NDE requirements for an Atmospheric Tank built to ASME Sect. XIII, SB-575 UNS N10276, P-43 material-Hastelloy. All parties agree that the exterior welds require PT on all welds. The disagreement is on the interior welds (longitudinal, circumferential and nozzle...
  2. swsweld

    P22 Quenched Pipe Weld

    Hello All, Code is ASME B31.1 2014. Issue is a 32" P22 Sch60 pipe weld just below flush that had water inadvertently released and 'quenched' the weld enough to cause the heat treat chart to drop below the WPS inter-pass temp. The temp. dropped from 500F to 250F briefly. 400F-600F is WPS...
  3. swsweld

    P91 Pipe Temporary Weld Question

    Hello All, We are missing a component that welds in-line on a VPR (vertical pipe rack) module being constructed in the fabrication shop. The component will not available until after the pipe rack is up-ended at site. It is now horizontal and will be shipped that way. ASME B31.1 We want to weld...

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