Forney 42300 Flux Core Mild Steel E71T-GS MIG Welding Wire, 0.030" Dia.Self shielded mild steel all position flux cored MIG welding wire. Best suited to single pass applications with high travel speed. Moderate to low spatter. Although no gas is required, an Argon CO2 mix will reduce spatter. Excellent on thin gauge mild steel. Pink color coding on label. Diameter: 0. 030" Weight: 2 lbs Tensile strength: 79,000 PSI Self shielded mild steel all position flux cored MIG welding wire Best suited to single pass applications