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If PQR's been established by Third party inspection under their control and premises, Contractor QC cannot claim the WPS,has to Qualify WPS as per ASME Section IX.

Dear Experts, Kindly advice on below, P355QH1(Un assigned group as per ASME IX)where as P355NH assigned group as per ASME IX? BOTH HAVE SAME CHEMICAL AND MECHANICAL PROPERTIES.

Dear Experts, Kindly advice on below, P355QH1(Un assigned group as per ASME IX)where as P355NH assigned group as per ASME IX? BOTH HAVE SAME CHEMICAL AND MECHANICAL PROPERTIES.

Dear Experts, Kindly advice on below, 1)Weldability of Plate,SA516 Gr70(P1) to Pin,P355QH1(Un assigned group as per ASME IX). Since P355H1 not in assigned group we need to qualify WPS?Application is for high temperature ladle. a)Can we go for E7018-1H4R electrode? b)Pin,P55QH1 PQR coupon i...

We have surplus stock of E312-16,thats why i would like to check for usability

E312-16 can be used to weld ss309s 25mm thick plates?

preferred method for documenting the current values during welding qualifications are with palmchart.you can get report of amperage.

1)You can use 7018 for the fillet weld in the same WPS/PQR.As joint geometry of fillet welds doesn't need root welding(6010).Normally 6010 used in piping's where both sides welding not possible. 2)you can qualify a WPS/PQR for fillet weld with 7018 both for root and filler passes as per ASME...