Aluminum Flat Bar Stock, Aluminum, 2024, T351, Flat, 6 in Overall Length, Length Tolerance +0.125 in/0 in, 4 in Overall Width, Width Tolerance +/-0.034 in, 1.25 in Thickness, Thickness Tolerance +/-0.012 in, Fabrication Cold Drawn, Heat Treatment Tempered, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 47,000 psi, Tensile Strength 68,000 psi, 120 BHN Brinell Hardness, 120 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number