... PRICE,Minimizing,lightness,low noise,high quality and energysaving Inverter DC ARC Welding Machine Specifications ParametersModelARC-160ARC-200SARC-250SRated Input Voltage(V ... steel, alloy steel, and iron cast.2. Easy to initiate arc, low noise during welding, less spray.3. Widely adjustable ... in weight, high efficiency, energy saving, durable and economical. Inverter DC ARC Welding Machine(ARC-200S)