Aluminum Flat Bar Stock, Aluminum, 6061, T6511, Flat, 12 in Overall Length, Length Tolerance +/-1 in, 1 1/2 in Overall Width, Width Tolerance +/-0.014 in, 1.25 in Thickness, Thickness Tolerance +/-0.012 in, Fabrication Extruded, Heat Treatment Tempered, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, 95 BHN Brinell Hardness, 95 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number