carbon steel pipe making machine 10#, 20#, 45#, 16Mn, Q235, Q345 ... .T.:1.8-100mm or more precision carbon steel pipe making machine1) Material: 10#, 20#, 45#, 16Mn, Q235, ... ASTM A213/A213M3) Certification: ISO9001.2000, PED, Mill Test Certificate EN10204/3.1B4) O.D.: 20-508mm5) W ... or as customers' required7) Suitable for high pressure, anti-corrosion and long distance conveyance of gas/fluid8)Application ...