... .5K to30 tonsSize1/2”-60” Material Carbon SteelASTM A106 GR.B, GR.C,;ASTM A333 GR.1, GR.3, GR.6;ASTM/ ASME S/A179/ A 179M ... /A192/ A 192M;ASTM/ ASME S/A210/ A 210M GR.A;API 5L GR.B, X42, X52, X60, X65; ASTM A860/ A 860M ... /A105/ A 105M;ASTM/ ASME S/A266/ A 266M GR.1, GR.2, GR.3, GR.4; ASTM/ ASME S/A350/ A 350M LF1 ... , LF2,LF3;ASTM A193 B7, A307 B, A 320 L 7 ...