Dear All,Hi, I have a WPS according to ASME section IX, with base pipe materials P-1 and G-1 (ASTM A 333 Gr-6 and ASTM A352 LCB)Now I have a flange material coming under P-1 and G-2.(ASTM A 350 LF2)So shall I go for another WPS as group (supplementary essential) is changing?Or can we use same WPS with the help of any spcial code case?