... cut almost any metal including: steel, stainless steel, aluminum, brass, copper, iron and cast iron LW426 Laser Welding machineSpecifications:TIG Welder ... cut almost any metal including: steel, stainless steel, aluminum, brass, copper, iron and cast iron. Clean, accurate cuts.Air Regulator/Air ... ) : 1-12Arc mode High-frequency Contact High-frequency laser welding machine for metal sheet