In WPS, Base Material thick will have min and max range and weld metal deposit will have max to be deposited only, in ur case Gtaw may be used to deposit from 1.5mm to Max 12mm weld deposit and SMAW may also be used to deposit from 1.5mm to max 18mm. u can use this pqr
Pandithan
On Sat, Apr 23, 2011 at 2:03 PM, Zakaria ghrab <zakaria.ghrab@gmail.com> wrote:
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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