Reported values and client comments attached
I believe that 70%FN = VOL% FERRITE is a rule of thumb
Actual correlation must be established from the measurements during PQR qualification
On 23 August 2016 at 07:25, 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
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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