ASME IX-PQR

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  • February 5, 2018 at 6:43 am #1467
    Ballbearing
    Spectator

    Kav,
    Sorry for late reply but have a quiet day and trawling through old postings.
    Flash is correct – to comply with B31.3 you should have performed 3 x WM, 3 x HAZ (A333) and 3 x HAZ (LF2)
    Have a look at Table 323.3.1 in B31.3,
    Regards,
    BB

    February 5, 2018 at 6:50 am #1382
    Ballbearing
    Spectator

    Hi Kav,
    Looks like you have got everything under control.
    Just remember there is a slight difference in thickness limitations on impact tested steel between ASME IX and B31.3 – clients love picking it up during review.
    Regards,
    BB

    February 5, 2018 at 11:57 am #1374
    Flash
    Spectator

    Hi Kav
    diameter qualified is only for Welder Quals
    WPS are not diameter dependent as far as I am aware

    3.91 is fine for mechanicals, I have done it heaps of times (not on 20NB) always minimum 50NB

    I would do it on 5.9mm WT pipe, something like 100NB Std (internally ground to 5.9mm)  80NB Std or 50XS if it was me

    as thickness range 6mm and below is .5T to 2T

    It depends on the number of tests you require but you might get away with two of each

    Good luck, let us know how ya go

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