Square Pipe Making Machine Sqaure Steel Tube Making Machine Pipe Mill 1. The Main Production Process For Square Tube Making Machine: Decoiler - Material shearing and welding - Accumulator - Feeding - Forming to round pipe - HF induction welding - Welding burr scraping - Water cooling - Sizing part to change to round to square shape - Pipe cutting saw - Pipe unloading table - Collecting and...