... W.T.: 2mm API 5LD Corrosioin resistant alloy clad or lined steel pipe ASTM A519 50B40 50B44 50B46 50B50 50B60 ... GB6479 20GSTB510ASTM A210 CDIN 17175 19Mn5 Boilers, heat exchangers, alloy steel pipeJIS G3462STBA20ASTM A213 T2 GB9948 GB5310 GB6479 12CrMoSTBA22ASTM A213 ... C22E, C35E, C45E, C60E,38Mn6, 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4,42CrMo4, 36CrNiMo4, 30CrNiMo8,41NiCrMo7-3-2EN 10305-1 E215, E235, E355EN ...