... and low alloy steel CO2 Gas Shielded Mig Welding wire AWS 5.18 ER70S-6 Introduction1. Available size; 0.6mm, 0.8mm, 0.9mm, 1.mm, 1.2mm, 1.6mm2. Available packing ... description: Gas shielded welding wire is also called Co2 welding wire, mig wire, solid wire which is widely used in common steel welding. This kind of welding wire has excellent mechanical ...