... 1500mm W.T.: 2mm-200mm API 5L 2 Internal coating of line pipe for non-corrosive gas transmission service ASTM A519 50B40 ... ST45.8GB5310 20G GB6479 20GSTB510ASTM A210 CDIN 17175 19Mn5 Boilers, heat exchangers, alloy steel pipeJIS G3462STBA20ASTM A213 T2 GB9948 GB5310 ... 16Mo3, 8MoB5-4,14MoV6-3, 10CrMo5-5, 13CrMo4-5,10CrMo9-10, 11CrMo9-10,25CrMo4, 20CrMoV13-5-5,15NiCuMoNb5-6-4, X11CrMo5+1,X11CrMo5+NT1 ...