Aluminum Plate, Material Aluminum, Material Grade 6061, Temper T651, Plate, Overall Length 12 in, Length Tolerance +/-0.002 in, Overall Width 12 in, Width Tolerance +/-0.002 in, Thickness 1 in, Thickness Tolerance +/-0.002 in, Fabrication Cold Rolled, Heat Treatment Annealed, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, Brinell Hardness 95 BHN, Rockwell Hardness 85 HRB