carbon steel pipe making machine 10#, 20#, 45#, 16Mn, Q235, Q345, Q195 O. ... .T.:1.8-100mm or more precision carbon steel pipe making machine1) Material: 10#, 20#, 45#, 16Mn, Q235, Q345, ... for high pressure, anti-corrosion and long distance conveyance of gas/fluid8)Application: Petroleum,chemical,power,gas,water,metallurgy, ... types, we can also meet your needs. low price carbon steel pipe making machine