carbon steel pipe making machine 10#, 20#, 45#, 16Mn, Q235, Q345, Q195 O.D.: 20-508mm W.T.:1.8-100mm or more precision carbon steel pipe making machine1) Material: 10#, 20#, 45#, 16Mn, Q235, Q345, Q1952) Standards: ASTM A53, ASTM A106, API 5L, APL 5CT, ASTM A519, and ASTM A213/A213M3) Certification: ISO9001.2000, PED, Mill Test Certificate EN10204/3.1B4) O.D.: 20-508mm5) W.T.:1.8-100mm6) Length: ...