ASME IX PQR Pipe diameters

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  • January 24, 2018 at 7:22 pm #1758
    Admin
    Spectator

    Hi Spunky
    do not get procedures and welder quals mixed up
    procedures are not diameter limited (covers all in theory) Welder qualifications use the ranges you suggested >75mm ‘OD’
    R 

    January 25, 2018 at 10:51 am #1760
    spunky
    Spectator

    Ok, found it page 148, QW-452.3
    Now my question is if the qualification is done with a 100mm test piece will that qualify 73mm to unlimited or 100mm to unlimited.

    Thanks

    January 26, 2018 at 6:18 am #1765
    cassgazz
    Spectator

    Spunky,

    As already mentioned, diameter is for qualification of welders only.
    See QW202.2, which gives information of groove & fillet welds. This then refers you to Table QW451 for limits of procedure qualification.

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