Aluminum Rod, Aluminum, 7075, T7351, Rod, Outside Diameter 2 1/4 in, Outside Diameter Tolerance +/-0.006 in, 4 ft Overall Length, Length Tolerance +0.125 in/0 in, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 63,000 psi, Tensile Strength 73,000 psi, 135 BHN Brinell Hardness, 82 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Standards ASTM B211, Alloy Type 7075, Tolerance Rating Standard