The WPS for a heather changers bult with AISI SAE 516 gr 70 was approved with the followings materials: Base Metal A106 gr B, ultimate Strength 60 psi. Process SMAW. Welding Consumable: first pass, 6010; first to last 7018.
The problem is this, the base metal are different in the ultimate strength, so the 6010 will be fracture before the AISI SAE 516 gr 70, but with the ASME secc IX they can made the change of this materials. Now i need do the reception of this equipment but i dont know how i can return this, they are cover with the ASME; some of you can make me and an advice?