MIG Welding Wire, Super Arc L-56, Mild Steel, Copper Coated, Dia. (In. ) . 030, Container 2. 0 lb. Spool, Min. Tensile Strength (PSI) 70, All Medium To Heavy Mill Scale Base Material, Sheet Metal To 380 - 485 Mpa (55 - 70 Ksi) Yield Strength Material, Automotive Repair, Robotic Or Hard Automation And Structural Steel