Dear Mr. Mohammed:
ASME Sec IX is not the only criteria. It only deals with weld-ability and minimum mechanical properties and it has nothing to do with corrosion resistance.That's why we use NACE as an additional requirement for such applications.
ASME Sec IX is not the only criteria. It only deals with weld-ability and minimum mechanical properties and it has nothing to do with corrosion resistance.That's why we use NACE as an additional requirement for such applications.
And for seawater application, SDSS and DSS are definitely different...!!!
Best Regards
Ramin Kondori
Sr. QA/QC engineer
Yadavaran Oilfield Project
SIPC (SINOPEC)
On Wed, Mar 26, 2014 at 9:46 PM, S.Mohammed <mohd52100@gmail.com> wrote:
dear sir,
i agree with weld.metal chemistry.
service is seawater line highly corrosive.
But as per ASME,there is same A number 8 is provided for both DSS n SDSS. And P.number also 10H and group also same 1.
its looks like a limitation of ASME or it is more libaral about metal classfication.
in what code or standard basis should i say to my construction for new WPS.
regards,
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