Tuesday, August 23, 2016

Re: [MW:25297] % Ferrite & FN measurements of Duplex Stainless steel welds

Please change your ferrite meter readings to %ferrite. Your problem solved.


On Aug 23, 2016 08:27, "Mohammed Azharuddin" <humaidazhar@gmail.com> wrote:

Dear Experts,


We have performed qualification on Duplex stainless steel BM UNS 31803 welded to itself with filler ER2594. Shielding gas AR+2% nitrogen


Ferrite measurements of welds were carried out as per ASTM E562 and AWS A4.2.


Client has rejected these values as the correlation is not appropriate.See below reported values and client comment.


From client point of view ,It should have been like VOL % FRRITE = 70% FN VALUE.


Your valuable advise will help us to save this WPS from being rejected.


Many Thanks


Regards,

Mohammed Azharuddin

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