Saturday, April 23, 2011

[MW:10809] ASME sect IX PQR thick Qualified

Hi all,

  We have a PQR, 15 mm Thickness, welded 6mm GTAW, 9mm SMAW.
According ASME sect IX, table QW-451.1, the Qualified Thickness "T" of base metal qualified will be 1.5 mm to 30 mm and the deposit weld thikness GTAW will be 12 mm max "2xt".
 Means if i have to weld pipe thick 3 mm i can't use this PQR, i'm right ?

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زكرياء غراب


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