We are doing hardfacing overlay of 410 stainles steel.
using GTAW for seats(4") & gates(6") of v/v body with a filler
wire (ER C CO Cr-A).
what should be the appropriate code & standard with clause to
refer PWHT,preheating & welding parameters requirements.
Also if somebody has experienced this procedure before,
Kidly send me a sample of the wps.
Regards
Manpreet Singh
09867303228
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