[MW:25730] WPS as per ASME SEc. IX

Dear Experts,

We have the following WPS as per ASME Sec. IX

Base metal - P5B + P8  (6" Sch 40 Pipe)

Welding process -  GTAW

Filler metal -  ER NiCr-3

Preheat temp - 180 degree C

PWHT - Nil

Trailing & backing gas -  Yes (Argon)

Can i use the above procedure for welding of ;

P5B group material fillet welding (seal welding of threaded joints) with ER NiCr-3 or ER NICrMo-3 GTAW process without PWHT 

Hardness test required for HAZ 235HV10.

your expert advice highly appreciated.

Thanks & Regards,

Manoj.

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