... including: steel, stainless steel, aluminum, brass, copper, iron and cast iron LW426 Laser Welding machineSpecifications:TIG Welder - Uses a special ... Tungsten tip, Argon gas, and electricity to weld metal.ARC/MMA Welder - Use ... metal including: steel, stainless steel, aluminum, brass, copper, iron and cast iron. Clean, accurate cuts.Air Regulator/Air Filter - Adjust air ...