Aluminum Rectangle Bar,4.5 in Over. W
000 in, 4 1/2 in Overall Width, 1.125/-0.Flat Bar Stock, Aluminum, 6061, T6511, Sheet, 12 in Overall Length, Length Tolerance +0.25 in Thickness, Fabrication Extruded, Heat Treatable Yes, Mechanical Finish Mill, Yield Strength 40,000 psi, Tensile Strength 45,000 psi, 95 Brinell Hardness, 60 Rockwell Hardness, Includes Material Certificate Yes, Standards AMS QQ-A-200/8, System of Measurement Inch.