Aluminum Rectangular Bar, Aluminum, 6061, T6511, Rectangular, 24 in Overall Length, Length Tolerance +0.125 in/0 in, 5/8 in Overall Width, 0.125 in Thickness, Fabrication Extruded, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 42,000 psi, 93 BHN Brinell Hardness, 60 Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Standards ASTM B221, System of Measurement Inch