... 0.5mm, with various functions of spot welding, short-seam welding, long-seam welding. Product Character: 1. Suitable for sheet over 0 ... arcing success rate, 5. Continuous and discontinuous welding function, 6. Automatic voltage pulsation compensation capability, 7. Suitable for carbon steel, alloy ... , uniform welding pool, good welding shape. MIG car welding machine welder