... steel structure,eg.cotnainer,building in spools mig welding wire Copper coated welding wire, suitable for 100% CO2 and Argon& CO2 mixed ... welding work. The series of welding wire can be used to weld ship building steelcopper coated welding wire, suitable for 100% CO2 and ... seams, less spatters and excellent welding process properties. Used to weld ship building steel(A,B,D,E,A36,D36,E36 ...