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  1. AFGQC

    P-No 8 WPS qualified thickness based on PWHT

    Yes, metengr, that is correct the WPS PWHT is: "Heat to 1950 to 2150 °F, hold for 1 hr/inch of thickness minimum and water quench." Thanks bunches for your rapid reply.
  2. AFGQC

    P-No 8 WPS qualified thickness based on PWHT

    A procedure qualification was welded using A351 grade CF8 (P-No 8), cast plates 2.5 inches thick using SMAW. The PWHT was solution annealed: 2050 °F for 3 hours and water quenched. An objection was raised about the qualified thickness range (3/16 to 8 inches) entered on the WPS based upon...

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