Welding Wire, Diameter 0.035 in, Welding Wire Type Flux Core, Material Carbon Steel, AWS Classification E71T-11, Container Size 33 lb, Container Type Spool, Welding Method FCAW, Series, Applications With Copper Back-Up, Plate Thicknesses In The Range Of 7.9 mm (5/16 in) To 12.7 mm (1/2 in), Propane Cylinders And Robotics/Hard Automation, Sheet Or Thin Gauge Metal Application