Aluminum Rectangular Bar, Aluminum, 2024, T4, Rectangular, 24 in Overall Length, Length Tolerance +0.125 in/0 in, 1/2 in Overall Width, 0.25 in Thickness, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 45,000 psi, Tensile Strength 69,000 psi, 120 BHN Brinell Hardness, 75 Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Standards ASTM B211, System of Measurement Inch