MIG Welding Wire, AWS Classification ER70S-6, Material Carbon Steel, Process MIG Welding (GMAW), Wire Diameter 0.035 in, Tensile Strength (As Welded) 75 ksi (100 Percent Carbon Dioxide), 84 ksi (75 Percent Argon/25 Percent Carbon Dioxide), Yield Strength (Minimum Required) 58 ksi, Yield Strength (As Welded) 61 ksi (100 Percent Carbon Dioxide), 70 ksi (75 Percent Argon/25 Percent Carbon Dioxide), Spool Type Steel Spool, Series Weld 70S-6, Weight 33 lb WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)