Saturday, August 1, 2015

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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