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  • Users: JLBREAU
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  1. JLBREAU

    Non-Conforming PreHeat - ASME B31.3

    ASME SA335 F11 (P4) material was welded using 150'F Preheat as per their WPS. However, Code of Construction being ASME B31.3 states a minimum preheat temperature of 250'F shall be applied. There are 700 socket welds completed like this. I recommended Heat Treatment for the welds and Hardness...
  2. JLBREAU

    Minimum Preheat

    ASME SA335 F11 (P4) material was welded using 150'F Preheat as per their WPS. However, Code of Construction being ASME B31.3 states a minimum preheat temperature of 250'F shall be applied. There are 700 socket welds completed like this. I recommended Heat Treatment for the welds and Hardness...

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