Thursday, February 11, 2016

[MW:24268] Alloy Material P22, A335 (Cr2.25 and Mo 1)

Dear Experts

Please   share your best  experience  with reference of international codes

Pipe Material  P22, A335 (Cr2.25 and Mo 1), Shoe support to be welded direct with pressure parts.(Pipe material thickness 33 mm, Operating Temperature 500 Centigrade  and pressure 106 bar)
 
My question,   Is  PWHT require for shoe supports  Or Not???
                     Shoe support plate thickness is 12 mm and throat thickness is 8 mm, Preheating is perform as WPS.


NA Bhatti
00966 593530001



                     
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