Hi,
No, The qualified thickness range will be 5mm to 30mm (If impact test is not required).
If you want to weld a 3mm thk, you have to qualify @ thk of less than or equal to 10mm.
Cheers!
Raj
On Sat, Apr 23, 2011 at 11:33 AM, 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 ?
--
زكرياء غراب
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