
Industrial Heavy-Duty Square Tube Mill for Pipe Manufacturing. Direct Forming Square Tech: Adopts Direct Forming Square technology for extreme reduction in roller change time and improved efficiency. High Roller Savings: Uses one set of combined moulds; only adjustment needed for different specs, saving over 90% on roller costs. Servo Motor Adjustment: Decreases tool input and equipment damage during roll changes, extending equipment service life. Composite Roll Structure: Point contact between roll and strip reduces wear and improves the service life of the rolls. Wide Production Range: Manufactures welded square tubes from 200x200mm to 500x500mm with thickness 10-20mm. Full Automatic Operation: Fully automatic high frequency induction welding line with fast change system and share rollers. Engineer Support Service: Provides engineers for installation, training, and long-term on-site support to improve output and reduce waste. 1-Year Warranty Coverage: One year quality guarantee with free repair parts for non-human error failures; lifetime repair available.