Forney DC Aluminum Electrode DC aluminum specialty welding electrodes are the highest strength alloy for arc and torch welding of low alloy aluminum. Excellent for cast, wrought and extruded aluminum in all positions. Can also be used as a torch brazing alloy. Typical applications include truck beds, loading ramps and docks, banisters, stairs, diamond plate, irrigation piping, engine blocks, transmission housings and railroad frogs. Amperage 70-120 AWS Classification E4043, Diameter 1/8 In., Length 14 In., Weight 1/2 Lb., Recommended Polarity DC Reverse, Tensile Strength 34,000 psi, Pkg Qty 1, Package Type Card WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.