... that used for oil pipe, gas pipe and energy pipe. 273 ERW Pipe Line:Forming and sizing units uses combination of ... inspection, high pressure hydraulic pressure testing machine and so on. 273 Main Technical Parameters:Mill speed: 20~60m/min; If 600kW ... Forming method: FF forming Output capacity: 100,000t/per year 273 ERW API Carbon Steel Pipe Making Line/Tube Mill