Aluminum Flat Bar Stock, Aluminum, 6061, T6511, Flat, 12 in Overall Length, Length Tolerance +/-1 in, 2 1/2 in Overall Width, Width Tolerance +/-0.024 in, 0.5 in Thickness, Thickness Tolerance +/-0.009 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 No Certificates Included