E71T-GS is a self-shielding flux-cored mild steel MIG welding wire ideal for thin gauged galvanized and mild steels, light to moderate rusty steels. Conform to specifications: AWS A5.20/ASME SF A5.20/E71T-GS. Self-shielded; no welding protection gases needed. Used for single-pass fillet and lap welding. Wire spool is wrapped in vacuumed aluminum foil to provide maxim pretection to mositure environment. Available wire diameters: 0.030", 0.035" and 0.045".