Chemical Composition
The following table shows the chemical composition of aluminium / aluminum 8090-T8151 alloy.
Element Content (%) Aluminum, Al 93 - 96.2 Lithium, Li 2.2 - 2.7 Copper, Cu 1- 1.6 Magnesium, Mg 0.60 - 1.3 Iron, Fe ≤ 0.30 Zinc, Zn ≤ 0.25 Silicon, Si ≤ 0.20 Titanium, Ti ≤ 0.10 Chromium, Cr ≤ 0.10 Manganese, Mn ≤ 0.10 Zirconium, Zr 0.040 - 0.16 Other (each) ≤ 0.050 Other (total) ≤ 0.15 Physical Properties
The physical properties of aluminium / aluminum 8090-T8151 alloy are outlined in the following table.
Properties Metric Imperial Density 2.54 g/cm³ 0.0918 lb/in³ Melting point 600 - 655°C 1110 - 1210°F Mechanical Properties
The mechanical properties of aluminium / aluminum 8090-T8151 alloy are tabulated below.
Properties Metric Imperial Tensile strength 450 MPa 65300 psi Yield strength 370 MPa 53700 psi Elongation at break 7% 7% Elastic modulus 77 GPa 11200 ksi Shear strength 270 MPa 39200 psi Hardness, Brinell (@load 500 kg; thickness 10.0 mm) 121 121 Hardness, Knoop (converted from Brinell hardness value) 151 151 Hardness, Rockwell A (converted from Brinell hardness value) 47.2 47.2 Hardness, Rockwell B (converted from Brinell hardness value) 75 75 Hardness, Vickers (converted from Brinell hardness value) 137 137 Thermal Properties
The thermal properties of aluminium / aluminum 8090-T8151 alloy are tabulated below.
Properties Metric Imperial Thermal expansion co-efficient (@20-100°C/68-212°F) 21.4 µm/m°C 11.9 µin/in°F Thermal conductivity 95.3 W/mK 661 BTU in/hr.ft².°F Applications
Aluminium / aluminum 8090 alloy is chiefly used as advanced materials for aerospace technology and to minimize the weight of army weaponry and defense systems.
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