Aluminum Rod, Aluminum, 6061, T651, Rod, Outside Diameter 3 3/4 in, Outside Diameter Tolerance +/-0.012 in, 24 in Overall Length, Length Tolerance +0.125 in/0 in, Fabrication Cold Rolled, Heat Treatable Heat Treatable, Mechanical Finish Mill, Yield Strength 39,000 psi, Tensile Strength 46,000 psi, 93 BHN Brinell Hardness, 59 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Standards ASTM B211, Alloy Type 6061, Tolerance Rating Standard