Hii,
Please check ASME Sec IX ,process is esential variable for PQR or not?If it is essential you have to make new PQR for SMAW + SAW in place of GMAW+SAW
I think thickness also taking some serious consideration.
Suresh
On 6/27/10, krishna <wiqw@rediffmail.com> wrote:
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
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Thanks & Best Regards,
Suresh
Mobile No: 91-92 92 905 905
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