Aluminum Plate, Material Aluminum, Material Grade 6061, Temper T651, Overall Length 6 in, Length Tolerance +0.25 in/0 in, Overall Width 6 in, Width Tolerance +0.25 in/0 in, Thickness 1.5 in, Thickness Tolerance +0.039 in/0 in, Fabrication Cold Rolled, 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 B95, Standards AMS 4027, AMS QQ-A-250, ASTM B209