[MW:15773] REGARDING AWSA5.21-2001 , ERNiCr-B

Dear Experts,

What is the procedure & Welding Guidelines of AWSA5.21-2001 , ERNiCr-B Deposition  Welding.on follwoinng Base materials.
1) WCB

Follwing information required:-
1) Preheat  Temp . ?
2) Temeperature to be Maintanined thorght out Welding?
3) PWHT...
4) Any special precautions

With regards,

Ashish P

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