Aluminum Plate 6061, Material Aluminum, Material Grade 6061, Temper T651, Plate, Overall Length 12 in, Length Tolerance +/-1.000 in, Overall Width 8 in, Width Tolerance +/-0.054 in, Thickness 0.5 in, Thickness Tolerance +/-0.009 in, Fabrication Extruded, Heat Treatment Pre-Hardened, Heat Treatable Yes, Mechanical Finish Unpolished, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, Brinell Hardness 95, Rockwell Hardness B95, Includes Material Certificate Yes