... ;ASTM/ ASME S/A179/ A 179M; ASTM/ ASME S/A192/ A 192M;ASTM/ ASME S/A210/ A 210M GR.A;API 5L GR.B ... , GR.2, GR.3, GR.4; ASTM/ ASME S/A350/ A 350M LF1, LF2,LF3;ASTM A193 B7, A307 B ... ,F5a ,F9,F11,F12,F22, F91;ASTM/ ASME S/A336/ A 336M F5,F9, F11, F12, F22, F91. Stainless SteelASTM/ASMEA ... ;17-4PH/S1400/1.4548724L;316Lmod/1.4435;725LN/310MoLN 22.5 degree ASTM A860 WPHY52 elbow