Dec 13, 2021 #1 AAZOMPA Petroleum Dec 13, 2021 1 TO QUALIFY A WELDING PROCEDURE (PQR) FOR AWS D1.1 YOU MUST USE A FACTORY TUBE OR PIPE OR CAN YOU USE A TUBE MADE UP OF A PLATE BY THE CWI?
TO QUALIFY A WELDING PROCEDURE (PQR) FOR AWS D1.1 YOU MUST USE A FACTORY TUBE OR PIPE OR CAN YOU USE A TUBE MADE UP OF A PLATE BY THE CWI?
