Name: Stainless steel tube mill 1.Pipe Diameter: 6mm-32mm 2.Pipe Thickness: ... carbon steel (round tube, squre tube, shaped tube) production.3. Automated production process:The open-book, play marks, forming, welding, grinding, sizing, ... molding process.4. Machinery main components:uncoil machine, forming welding machine, grinding machine, sizing machine, frame straightening, cutting machine ...