Tuesday, September 21, 2010

[MW:7117] welder qualification and use of alternate electrode

Dear All
 
Greetings.
 
Please clear my below queries----
 
 
1) Whether welder qualified as per ASME SEC IX can be used for Structrual welding as per AWS D1.1
 
2) Whether Electdoe E-7018 H4R can be used as a replacement for E 7018 (which was used for PQR Qualifications)  for  Structrual( angles of CS materials) welding.
 
3) Whether PQR is required  or not for Prequalified WPS as per AWS D 1.1
 
 
Thanks and Regards
 
Asad Azmi
 

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