ERW HF Pipe Mill: used for producing round, square, rectangle pipes. ERW HF Pipe Mill: used for producing round, square, rectangle pipes, etc.Pipe dia.: 8-219mmThickness: ... (Option: Vertical and horizontal type)4) Forming, Welding and Sizing millA) Feeding & Leveling deviceB) Forming machineC) Guiding, extruding, Welding & scraping deviceD ... 219mm3.0∼8.0mm15∼40m/min200 KW×3pcs800 KW ERW HF Pipe Mill