Can qnybody help me . I have a PQR for welding 2" sch 80 A333 Grade B with impacts on it Meaning by PQR according to QW403.6 is the minimum base metal thickness qualified is the thickness of the test coupon T or 5/8" (16mm) or whichever is less .However T is less than 6mm then 1/2t. Now I want to write a WPS using A106 Grade B material and this reqires no impacts could I still reference my PQR for A333 Grade B and start my thickness range from in this case 1.50-to double the thickness.
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