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Steel pipe welding machine | Fully Automatic equipment to weld scaffolding YG Steel pipe welding machine is automatic equipment for spot welding, arc welding, and butt welding. It is widely used for weld scaffolding, like steel scaffolding, bowl buckle steel pipe scaffolding, socket type steel pipe scaffolding, portal scaffolding, hang scaffolding, and other steel pipe material scaffolding. Long working life and a high production rate. The machine can replace 4 laborers to weld the steel tube. High quality and less weld metal required Excellent performance.