Forney ER70S-6 0.03 in. Mild Steel MIG Welding Wire 70000 psi 2 lb

ER70S-6 mild steel MIG welding wire is a high strength mild steel MIG wire. 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. Not recommended for aluminum engines. Yellow color coding on label. Requires CO2 or Argon/CO2 shielding gas (not included).