Dear Friends,
WQT was conducted on pipes 6GR position with 6" wall thickness 11mm.
As per AWS D1.1 table 4.11, does the welders qualify? Please advice me which one to follow(Production CJP Groove Butt Joints or Production T-Y-K Connections CJP Groove Welds)
Do I have to re qualify the welders? Our production pipe is 12"OD X 25.4mmWT and 8"OD X 20.6mmWT. Your kind cooperation on the above is highly appreciated.
Regards,
KalimuthuPonniah.
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