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 ... max is 12m or as customers' required7) Suitable for high pressure, anti-corrosion and long distance conveyance ... general items, for the special types, we can also meet your needs. low price carbon steel pipe making machine