
High Productivity and ERW Hf Round and Square Pipe Welding Machine. Direct Forming Square Tech: Adopts Direct Forming Square technology for extreme reduction in roller change time and improved efficiency. 90% Roller Savings: Uses one set of combined moulds; only adjustment needed for different specs, saving over 90% on roller costs. Servo Motor Adjustment: Servo motor adjustment decreases tool input and equipment damage during roll changes, extending service life. Composite Roll Structure: Point contact between roll and strip reduces wear and improves the service life of the rolls significantly. Lifetime Repair Guarantee: Provides a one-year quality guarantee and lifetime repair service with free parts during the warranty period. Professional Installation: Engineers are sent for installation, training workers on correct operation, and can stay for months to improve output. Wide Material Compatibility: Supports Q195, Q235B, Q355B, Galvanized Steel, MS, CR, HR with strip width 400-800mm and thickness 2.0-6.0mm. High Production Efficiency: Production speed ranges from 15-120 m/min depending on the model, ensuring high productivity for various tube sizes.