Dear experts
Can some body advice which welding consumable grade to be used for welding 1B grade castings (ASTM A-890-1B , CD4MCuN)
Thanks a lot for your inputs in advance.
Regards
Fredric Prabu
As per ASME B31.3, Clause 331.1.6 (b): Any required PWHT shall be carried out in accordance with the qualified WPS. For furnace PWHT inv...
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