With pulse function, precisely control welding pool heat; Suitable for board 0.1-0.8mm. Good welding shape;Suitable for ... , stainless steel, titanium alloy, monel alloy, copper welding, etc;Particularly suitable for corrugated pipe, the sensor ... series longitudinal seam weld, HF series circumferential welding machine and longitudinal seam automatic welding.With overheated, over-flow, water automatic ...