ER70S-6/10LB 10LB Spool Carbon Steel Solid MIG Welding Wire

ER70S-6 is a copper-coated mild steel MIG wire with high manganese and silicon content, designed for strong arc stability and excellent performance on rusty or dirty steel. It works well with 100% CO₂ or Ar/CO₂ shielding gas and produces smooth welds with minimal spatter. Key Features High Mn & Si for better tolerance on dirty/rusty steel Smooth arc and stable wire feeding Works with CO₂ or Ar/CO₂ gas Low spatter, clean weld finish Suitable for single and multi-pass welding Applications Structural and construction welding Automotive and truck repair Farm equipment and maintenance General steel fabrication Rusty or poor fit-up materials Materials Compatibility Mild SteelCarbon SteelLow-Alloy Steel Specifications Wire Type: ER70S-6 Diameter: 0.8mm / 0.9mm Material: Copper-coated mild steel Gas: CO₂ / Ar-CO₂ mix Spool: 10 lb (4.5 kg) Package Includes 1 × ER70S-6 MIG Wire Spool (10 lb) FAQ Q: Does it require gas?Yes, it must be used with shielding gas. Q: Can it weld rusty steel?Yes, it is designed for surfaces with rust, oil, or dirt. Q: What machines is it compatible with?Most MIG welders supporting 0.8mm / 0.9mm wire and 10 lb spools.