Aluminum Rod, Aluminum, 7075, T6511, Rod, Outside Diameter 4 in, Outside Diameter Tolerance +/-0.012 in, 12 in Overall Length, Length Tolerance +/-1 in, Fabrication Cold Rolled, Heat Treatment Annealed, Heat Treatable Not Heat Treatable, Mechanical Finish Mill, Yield Strength 56,000 psi, Tensile Strength 67,000 psi, 150 BHN Brinell Hardness, 85 HRB Rockwell Hardness, Includes Material Certificate Material Certificate with Lot Number, Standards AMS QQ-A-200/11, Minimum Temperature 890 Degrees F