Wednesday, January 4, 2012

[MW:13406] Requirement for SA 387 GR 12 CL2 SHELL MATERIAL

Dear All,
 
Greetings.
 
 Vessel to be fabricated as per ASME SEC VIII DIV 1. Shell material is SA 387 GR 12 CL2 -65 thk
 
DESIGN Temperature is 537.8 Deg Celcius,  Design pressure is 42.2 KG/CM2,  Service- Hydrogen  & flammable explosive 
 
Pls suggest  about below  requirments  for SA 387 GR 12 CL2 - 65 THK  (Noramalized and Tempered) Shell Plate Material
 
1) Whether cooling  by water can be done in Noramlizing.
 
2)  Temper embrittlement test is required for this design/ Service condition.
 
3) Whether any Intermediate stress Relief( ISR ) is required after Welding.
 
Pls suggest.
 
Thanks & Regards
 
Asad Azmi
 
 

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