Aluminum Flat Bar Stock, Aluminum, 5083, T6511, Flat, 4 ft Overall Length, Length Tolerance +/-4 in, 3 in Overall Width, Width Tolerance +0.125 in/0 in, 1.5 in Thickness, Thickness Tolerance +/-0.005 in, Fabrication Cast, Heat Treatment Cast, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 15,000 psi, Tensile Strength 38,000 psi, 65 BHN Brinell Hardness, Not Rated Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number