Aluminum Rod 6061, Aluminum, 6061, T651, Rod, Outside Diameter 1 5/8 in, Outside Diameter Tolerance +/- 0.004 in, 24 in Overall Length, Length Tolerance +0.125/-0 in, Fabrication Cold Finished, 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 ASTM B211, Alloy Type 6061, Tolerance Rating Standard