Monday, August 1, 2011

[MW:12044] change in welding Technique does it require Requalification ?

Dear Experts,
 
 
If the welding technique is changed does it require Requalification ? as the QW-401.2  it states.
 
QW-401.2 Essential Variable (Performance).
A change in a welding condition which will affect the ability of a welder to deposit sound weld metal (suchas a change in welding process, deletion of backing, electrode, F-Number, technique, etc.).

 

were as the  QW-401.1 Essential Variable (Procedure). it states Welding technique as Non-Essential variable .

 

Which QW we have to follow  and why ?

 

comments plzzzzzzzzzzzzzzzz.

 

Regards

ABDUL JABBAR KHAN

 

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