hi, you can use two wps & pqr...i.e..if you have wps of SAW root and another wps and pqr of SMAW ...So you should have two WPS & PQR as follows.. 1.WPS & PQR for SAW only or SAW (root) + SMAW (cover) or any other process 2.WPS and PQR for SMAW or GMAW(root) + SMAW(Cover)
Regards,
Karthikeyan.S Getabec Energy Co.,Ltd. 379,Moo6,Soi8,Nikhomphatana, Rayong-21180, Thailand. Phone: 0066 38 897035-8 (Off) Fax: 0066 38 897034 Hand Phone: 0066 892512282
--- On Sun, 6/27/10, krishna <wiqw@rediffmail.com> wrote:
From: krishna <wiqw@rediffmail.com>
Subject: [MW:5759] multiprocess qualification(SAW+SMAW)
To: materials-welding@googlegroups.com
Date: Sunday, June 27, 2010, 1:13 PM
Frnds, Here our job is welding of spiral pipes by GMAW + SAW. Root is continuos tack welded by GMAW & ID & OD WELDED BY SAW.For this we have separate WPS & PQR. In spiral pipe we have coil joints weld(skelp joints)for that we are doing root & ID welding by SAW but OD welded by SMAW.For this we don't have separate WPS & PQR.Instead we have only SMAW wps/pqr.I mean no multiprocess WPS/PQR. Now my question is DO we need to qualify a separate PQR for this coil joint(skelp joint welding)i.e SAW + SMAW. OR is it possible TO prepare a separate WPS taking the support of GMAW + SAW PQR & also SMAW PQR? Pls tell all your opinion in respect to ASME SEC IX. THANKS, KK -- To post to this group, send email to materials-welding@googlegroups.com To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com For more options, visit this group's bolg at http://materials-welding.blogspot.com/The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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