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  • Users: hdpinsp
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  1. hdpinsp

    RT interpreter qualification

    If RT is for a B31.3 project what qualifications will be necessary for the personnel reviewing film.
  2. hdpinsp

    PRESSURE VESSEL HYDRO TEST

    What would be the hydro-test pressure for a vessel with MAWP 311 psi, rolled from SA516-70N, with .875" nominal thickness? And how is this calculated. Max temp. is 230F and Min is -20F
  3. hdpinsp

    Welding Attachments pressure boundaries

    Need to weld attachments to the inside of the pressure vessel (to the shell) the attachments are internals support. Vessel has been in service for approx. 9 mos, found problem during shutdown. Can these fillets weld be made with out a hydro-test? If so which code governs and is an AI responsible...

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