Aluminum Plate, Material Aluminum, Material Grade 6061, Temper T651, Plate, Overall Length 12 in, Length Tolerance +/-1 in, Overall Width 12 in, Width Tolerance +/-0.084 in, Thickness 1.75 in, Thickness Tolerance +/-0.014 in, Fabrication Extruded, Heat Treatment Tempered, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, Brinell Hardness 95 BHN, Rockwell Hardness 95 HRB