Hi All,
On Tuesday, 13 September 2011 15:48:03 UTC+5:30, asad azmi wrote:
-- I have read all the valuable discussion happened here, I come to know about few point what I was not aware thanks all of you.
I have a torispherical dish head with fiber elongation of 6%, Design temperature =200°C, MOC = SA-240 Gr. 316L . As per UHA -44 weather Solution annealing is required.
The point behind asking this question is if the design temperature is below 580°C (as given in Table UHA-44) then do I need to solution annealing.
Second thing As per clause UHA-44 (a) 1 (-a) what is finishing -forming temperature. I believe it is not design temperature.
On Tuesday, 13 September 2011 15:48:03 UTC+5:30, asad azmi wrote:
Dear All,Greetings.SS Vessel is being fabricated as per construction code - ASME SEC VIII DIV 1SERVICE : SOUR ServiceMaterial of Construction for Dished Head - SA 240 316L, 20 mm Thickness.I believe stresses will be induced in the material during forming and as a result , Sulfide Stress Cracking (SSC) failure may occur during operation.Whether Solution Annealing of SS Dished Head is required after forming?Please give reference of any International Standard.Thanks & RegardsAsad Azmi
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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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