Wire welding nggo gas yaiku komponent sing penting in industri welding, utami dina proses kaya Gas Metal Arc Welding (GMAW) and Flux-Cored Arc Welding (FCAW). Tembungané "gas diangga" atrobat karo tetep gas njaga sing nggunèki daérah weld wing proses welding. Mbokan gas iki isa nggawé akèh fungus sing penting.