Flat Bar Stock Aluminum 6061 T651 Sheet 6 in Overall Length Length Tolerance +/-0.002 in 6 in Overall Width Width Tolerance +/-0.002 in 0.75 in Thickness Thickness Tolerance +/-0.002 in Fabrication Cold Finished Heat Treatment Annealed Heat Treatable Yes Mechanical Finish Mill Yield Strength 40 000 psi Tensile Strength 45 000 psi 95 Brinell Hardness Includes Material Certificate Yes Standards ASTM B209 ASTM B211 System of Measurement Inch Tolerance Rating Standard