... brass, copper, iron & cast iron. LW426 Laser Welding machine for saleSpecifications:TIG Welder - Uses a special Tungsten tip, ... weld metal including steel, and aluminum.Plasma cutter uses plasma arc and compressed air to cut ... metal easilyNew and Improved plasma cutter torch and extended-life silver plasma torch ... -12Arc mode High-frequency Contact High-frequency laser welding machine for sale