... welding wire, CO2 welding wire, submerged arc welding wire, argon wire, stainless steel welding wire. Wire diameter: 0.8mm 0.9mm 1.0mm 1.2mm 1.6mmFor construction,mechanical structure etcCo2 mig welding ... steel strength grade of 500Mpa(E.G the welding of vehicle,,bridge,construction and mechanical structure ... etc)also applicable to high speed welding of thin plates and pipes etc.Feature: ...