Dear Experts,
We want to use our contractor’s welder who is recently qualified as Per AWS D1.1-2008 Edition requirement.
He is qualified to P01 to P01 material class, SMAW process, 3mm - 20mm thickness range.
His RT report is traceable but the associated WPS (Procedure used for welder qualification test) is not available.
We have company approved welding procedure with the same material class and thickness range.
My question is whether this welder could conduct welding by using our approved WPS (the same material class and thickness range) OR
Do we need to re-certify again in accordance with company WPS.
Thanks and Rgds,
WN
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