... A106 Gr. A,B,CASTM A335 Gr. P1,P2,P5,P9,P11,P12,P15,P21P22,P91,P92ASTM A199 Gr. T4,T5 ... *WT)mmUsage Alloy pipe Cr5Mo. 15CrMo 13CrMo4412Cr1MoV P22 T91,P91,P9,T9 Wb36GB5310-95 GB9948-88ASTMA335/A335MASTMA213/213MDIN17175-79JISG3467-88JISG3458-88 ...