Forney 42300 .03" E71T-GS Welding Wire 2 Lb Features : All position flux core MIG wire for mild steel that is a self shielded and works well on rusty, dirty and painted materialBest suited to single pass applications with high travel speed, runs hotter than solid wiresExcellent for outdoor windy conditionsAlthough no gas is required, an Argon/CO2 mix will reduce spatterExcellent on 18 gauge mild steel or thickerEasy to read color coded packaging2 lb.03"The Forney 42300 E711-GS Flux Core MIG Wire for mild steel is a 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. Tensile Strength is 79,000 PSI. Polarity is DCEN Straight. Shielding Gas is not required. Wire Diameter is .030 inches (.8 mm). Weight is 2 pounds (.907 Kg). Flux cored wire is classified as ER71T-GS. (E) Stands for Electrode. The (7) indicates the tensile strength, 70,000 PSI. The (1) indicates that it is an all position wire. (T) Indicates tubular wire. (G) Is for general, meaning no other specifications apply and (S) means single pass only.