HI SECTIONIX, now I am confused, are you saying that if the welder is tested out on 13mm thickness and uses more then three layers of weld then he can weld all thicknesses even thought the wps states a max of 13mm? have got this right?[ponder]
hi al, the PQR.WPS and welder quals are produced by TWI software, everything is recorded correctly, the software then produces the WPS on the information on the PQR.
what I am saying it that the WPS then shows a minimum of 1.5mm and a maximum of 13mm thickness range qualified . if I then test a...
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...