• ER70S-6 mild steel MIG welding wire is a high strength mild steel MIG wire. • Ideal for auto body repair and fabrication on most ferrous metals. • Contains a high level of manganese and silicon for a superior weld, even on rusty, dirty steel. • Produces a smooth bead which requires less grinding. • This wire is ideal for autobody repair and fabrication on most ferrous metals in addition to butt and fillet welding of carbon steel sheet and plate in industrial, farm, construction and automotive equipment applications. • Not recommended for aluminum engines. • Yellow color coding on label. • Required Shielding Gas: Argon/CO2 • Recommended Polarity: DCEP Reverse Polarity • Weight: 10 lbs. (4.54 Kg) • Diameter (Inches): .024 in and .023 in • Tensile Strength (PSI): 70,000