Dear All,
We did perform HT on our Dish ends (SS 316L, min thick 12mm) for our pressure vessels designed according to ASME VIII, Div 1 and NACE MR 0175.
The hardness values recorded by our supplier were between 24 and 38 HRC.Where the harndess limit stated by NACE MR 0175 Table A-2 is 22 HRC.
What can we do???
Is there any technical solution other than re-annealing???
Please share your ideas
Thanks
--
Meilleures salutations
Mokrani Lassaad
00216 20 649 755
http://www.linkedin.com/pub/lassaad-mokrani/16/364/907
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