S355 J2 is not listed in ASME Sec.IX and hence to be considered as unassigned material which requires separate PQR.
Thanks & Regards
J.Gerald Jayakumar
0091-9344954677
From: Kannayeram Gnanapandithan <kgpandithan@gmail.com>
To: materials-welding <materials-welding@googlegroups.com>
Sent: Saturday, August 1, 2015 8:56 PM
Subject: Re: [MW:23243] Material listed on WPS different from PQR
Check with Pnos, if same ,there will not be a problem
On 01-Aug-2015 8:43 pm, "sarfraz ahmad" <sarfrazengineer@gmail.com> wrote:
Previously the selected material for tanks construction was SA-516 Gr. 70 but to unavailability of selected material in the market, a comparison was made b/w chemical composition and mechanical properties of easily available material i.e. S355J2 and selected for construction instead of SA-516 Gr. 70. Now the question is that we have PQR for SA-516 Gr. 70 and the referenced WPS is listed with new material i.e. S355J2. can we use use these WPS and PQR?--
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