Dear All
Can anyone suggest me which type of heat treatment to be carried out on a PQR test coupon. My PQR test coupon is cladded plate Duplex SS UNS S32750 to SA516 Gr.70. Thickness of Duplex SS UNS S32750 is 3 mm and thickness of SA516 Gr.70 is 10 mm. This PQR to be used while welding in two part welded fittings.
Regards
Subrata Das
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