L≤2000mm Φ=250~800mm δ =2.5~4mm 本设备可对不锈钢、碳钢等金属材料实施TIG直缝自动焊接,单面焊双面成形。 This machine is used for auto.TIG linear welding of metal material,such as stainless steel,carbon steel.Single-side welding with double-side forming.