Sunday, March 8, 2009

[MW:1725] how to weld astem material A335

dear,all
 
we are going to weld material A335 P no 9 ,11  and 5

Seamless Ferritic Alloy-Steel Pipe for High-Temperature services.

can any one help how to do preheat and post weld heat treatment. if possible i will be glad if any one share a premade WPS and PQR to use as guide

 

thanks in a dvance

 



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