Thickness range for welder qualification and procedure qualification (ASME Section IX)
Thickness range for performance qualification (welder qualification test): ASME BPVC Section IX has provided guidelines for the thickness range up
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Welder Performance Qualification
Welder Qualification Test (Performance Qualification)
Welder Performance qualification (WPQ) is also known as welder qualification test (WQT) or performance qualification. It is a very basic
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