... . 2. Suitable for MAG/CO2 welding of low carbon steel and low alloy steel. 3. Inner wire feeder structure ... structures, metal crafts' vehicles, shipbuilding, envionmental protection, maintenance and other industries. Welding performance: Reliable hight-frequency arc welding ... material: Stainless steel, copper, copper alloy, low carbon steel, alloy steel, and Cr-Mo high strength steel copper. Control ...