... making machine 10#, 20#, 45#, 16Mn, Q235, Q345, Q195 O.D.: 20-508mm W.T.:1.8-100mm or more precision carbon ... 30-45 days 11)Application: apply to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, etc..12 ... /cold rollAbove are the general items, for the special types, we can also meet your needs. low price carbon steel pipe making machine