Density: 2.90g/cm³.
Shear strength: alloy (bare) and clad aluminum alloy, O state: 152MPa (22ksi); alloy (bare) T6, T7451 state: 331MPa (48ksi); clad aluminum alloy T6, T7451 state: 317MPa (46ksi)
Hardness: O state: 60HB; T6, T651 state: 150HB;
The data is taken from the test results of a 10mm diameter ball and 30s under a 500kg load.
Poisson's ratio: 0.33.
Elastic modulus: tensile: 71.0GPa (10.3×106psi), shear: 26.9GPa (3.9×106psi), compression 72.4GPa (10.5×106psi)
Fatigue strength: T6, T7451, T73 status: The smooth unnotched specimen is 159MPa (23ksi) after 5 × 108 cycles in the R·R·Moore type test.
