Performance qualification

Date 03-23-2012 15:45

I need your help, is about welder performance.; CODE ASME IX

Process: SMAW T=10 mm : qualified range: 10 mm to 20 mm ?????

Process: GTAW + SWAM T= 12 mm ( GTAW t= 3 mm, SMAW t= 9 mm) : qualified range :GTAW 3 mm to 6 mm, SMAW 9 mm to 18 mm ???

By qcrobert (***)

Date 03-23-2012 21:09

reta,

Please refer the Sec IX QW 450 Procedure Qualification Thickness Limits and Test Specimens and QW 452 Performance Qualification Thickness Limits and Test Specimens.

QCRobert

By reta

Date 03-24-2012 14:24

thanks, the problem is minimum qualified thickness,

By ozniek

Date 03-24-2012 14:49

Hi

ASME IX does not give minimum qualified thickness for welder performance qualifications. So, if the welder welded 10mm SMAW, s/he is qualified for <=20mm. Same for a mixed GTAW/SMAW qualification.

Regards
Niekie