MIG Welding Wire - Grainger Industrial Supply
MIG Welding Wire. Grainger carries a large stock of MIG welding wire and flux core welding wire to meet your welding needs, including aluminum, carbon steel, copper-coated mild steel, stainless steel and more. Choose from various diameters of wire for different welders and welding projects. You’ll also find flux-cored welding wire (FCAW) here.