adapted for thin, medium and thick low-alloy carbon material welding above 0.5mm, with various functions of spot welding, ... . It is adapted for thin, medium and thick low-alloy carbon material welding above 0.5mm, with various functions of spot welding ... function, 6. Automatic voltage pulsation compensation capability, 7. Suitable for carbon steel, alloy steel, soft steel, etc, and various wire, 8 ...