QW-144: final visual inspection for weld surface shall meet QW-194.
QW-194: Performance test coupon shall show no cracks and complete joint penetration, with complete fusion of weld metal and base metal.
Welder Performance qualification
QW-194: Performance test coupon shall show no cracks and complete joint penetration, with complete fusion of weld metal and base metal.
QW-194: Performance test coupon shall show no cracks and complete joint penetration, with complete fusion of weld metal and base metal.
NOTE:
For welder qualification may qualify on product weld, which welding process given in QW-304 may be qualified by volumetric NDE. The weld quality shall also be met construction’s acceptance criteria such ASME B31.3 normal service.
Method and acceptance criteria of volumetric NDE shall follow QW-191.
For welder qualification may qualify on product weld, which welding process given in QW-304 may be qualified by volumetric NDE. The weld quality shall also be met construction’s acceptance criteria such ASME B31.3 normal service.
Method and acceptance criteria of volumetric NDE shall follow QW-191.
