When Impact testing of HAZ is required by design, welding as per ASME SecIX
One of PQR qualified with a combination of group number and thickness welded together as 516 Gr60- 6mm thk and 516 Gr 70- 12mm thk
WPS prepared for the range of 6-24mm for both group numbers. (QW403.6)
In my opinion it virtually qualifies for nothing (except for 12mm thick) for a combination of group numbers
For E.g. I have nozzle SA333 Gr6 and WNRF flange SA350LF2 with thickness of 7.11mm
Where as in the above PQR, P#1, Gr#1 qualification range is 6-12mm and P#1, Gr#2 qualification range is 12-24mm and (QW403.5 and 403.6)
Please share your views, do my views justified by the correct interpretation of QW403.5 and 403.6?
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