Flat Bar Stock Aluminum 6063 T52 Sheet 8 ft Overall Length Length Tolerance +/-1.000 in 5/8 in Overall Width Width Tolerance +/-0.009 in 0.625 in Thickness Thickness Tolerance +/-0.009 in Fabrication Extruded Heat Treatment Tempered Heat Treatable Yes Mechanical Finish Mill Yield Strength 21 000 psi Tensile Strength 27 000 psi 60 Brinell Hardness Standards ASTM B221 System of Measurement Inch