CO2 welding wire AWS ER70S-6 CO2 Gas-shielded Welding Wire are widely used in the line of shipbuilding, container, automobile. CO2 Welding Wire:CO2 Gas-shielded Welding Wire are widely used in the line ... of shipbuilding, container, automobile, bridge,etc.Diameter: 0.6mm ,0.8mm,1.0mm,1 ...