carbon steel pipe making machine 10#, 20#, 45#, 16Mn, Q235, Q345, Q195 O.D.: ... distance conveyance of gas/fluid8)Application: Petroleum,chemical,power,gas,water,metallurgy,shipbuilding,construction,etc.9) Packing: Standard export package ... Application: apply to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, etc..12) Processing Technology: ...