Ref. B 16.9
9.4 Applicability of Test Results
It is not necessary to conduct an individual test of fittings with all combinations of sizes, wall thicknesses and materials. A successful proof test on one representative fitting may represent others to the extent described herein.
9.4.1 Size...
Cold formed head from material SA 516/70 Normalized plate.
After forming head has been normlized. Is it required that the material be represented by test specimens which have been subjected to the same heat treatments above the lower transformation temperature? I.e. two normalization cycles...
WPS for nozzle 10 mm thick set-in into shell 26 mm thick. Impact testing is a requirement.
How to prepare PQR test coupon (one or two) to satisfy both t=26 and T 10 and 26?
