Mig Welding Wire, AWS Classification ER70S-6, Material Carbon Steel, Process MIG Welding (GMAW), Wire Diameter 0.03 in, Tensile Strength (As Welded) 70 ksi, Yield Strength (Minimum Required) 58 ksi, Yield Strength (As Welded) 58 ksi, Spool Type Fiber Spool, Series ER70S-6, Weight 33 lb, For Material Type Carbon Steel to Carbon Steel, Welding Current Designation DCEP, For Welding Position Flat, Horizontal, Overhead, Vertical-Down, Vertical-Up, Tensile Strength (Minimum Required) 70 ksi WARNING: This product can expose you to chemicals including Carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Nickel (Metallic)