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  1. bigmcsparron

    PQR thickness range Vs WPS thinkness range

    we have a PQR for duplex carried out on 6.5mm thick pipe this according to the PQR thickness range says qualified fro 1.5mm to 13mm , we have run some WPS's using this procedure on 13mm thickness pipe, on the WPS it states max thickness welder is qualified for Is 26mm 2xt, my question is which...

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