Aluminum Square Bar, Aluminum, 7075, T651, Square, 6 ft Overall Length, Length Tolerance +0.125 in/0 in, 1 1/2 in Overall Width, Width Tolerance +/-0.003 in, 1.5 in Thickness, Thickness Tolerance +/-0.003 in, Fabrication Cold Rolled, Heat Treatment Tempered, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 67,000 psi, Tensile Strength 80,000 psi, 150 BHN Brinell Hardness, 87 Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number