Low spatter, High feedability, Porosity free, Good bead appearance, Easy to weld Shielding gas is required: 80-percent Ar+20-percent CO2 or 100-percent CO2,All Positions, Single and multi pass welding Mig solid welding wire for Carbon and Carbon-Manganese steels Model:ER70S-6 Type:Solid Core Welding Wire Material:Mild Steel Shielding gas required: CO2 and/or CO2 mix Recommended polarity: DCEP (Electrode Positive, Reverse Polarity) Wire Diameter: .030" (0.8mm) Weight: 2 lbs (0.9 kg)