Aluminium 7075-T6 Data Sheet
Aluminium 7075-T6; Aluminium 7075-T651, UNS A97075; ISO AlZn5.5MgCu
| Physical Properties | Metric | English |
| Density | 2.81 g/cc | 0.102 lb/in³ |
| Mechanical Properties | Metric | English |
| Hardness, Brinell | 150 | 150 |
| Hardness, Knoop | 191 | 191 |
| Hardness, Rockwell A | 53.5 | 53.5 |
| Hardness, Rockwell B | 87 | 87 |
| Hardness, Vickers | 175 | 175 |
| Tensile Strength, Ultimate | 572 MPa | 83000 psi |
| Tensile Strength, Yield | 503 MPa | 73000 psi |
| Elongation at Break | 9.00% | 9.00% |
| Modulus of Elasticity | 71.7 GPa | 10400 ksi |
| Poissons Ratio | 0.33 | 0.33 |
| Fatigue Strength | 159 MPa | 23000 psi |
| Fracture Toughness | 17.6 MPa-m½ | 16.0 ksi-in½ |
| Machinability | 70% | 70% |
| Shear Modulus | 26.9 GPa | 3900 ksi |
| Shear Strength | 331 MPa | 48000 psi |
| Electrical Properties | Metric | English |
| Electrical Resistivity | 0.00000515 ohm-cm | 0.00000515 ohm-cm |
| Thermal Properties | Metric | English |
| CTE, linear | 21.6 µm/m-°C | 12.0 µin/in-°F |
| Specific Heat Capacity | 0.960 J/g-°C | 0.229 BTU/lb-°F |
| Thermal Conductivity | 130 W/m-K | 900 BTU-in/hr-ft²-°F |
| Melting Point | 477 – 635.0 °C | 890 – 1175 °F |
| Solidus | 477 °C | 890 °F |
| Liquidus | 635.0 °C | 1175 °F |
| Processing Properties | Metric | English |
| Annealing Temperature | 413 °C | 775 °F |
| Solution Temperature | 466 – 482 °C | 870 – 900 °F |
| Aging Temperature | 121 °C | 250 °F |
| Component Elements Properties | Metric | English |
| Aluminum, Al | 87.1 – 91.4 % | 87.1 – 91.4 % |
| Chromium, Cr | 0.18 – 0.28 % | 0.18 – 0.28 % |
| Copper, Cu | 1.2 – 2.0 % | 1.2 – 2.0 % |
| Iron, Fe | <= 0.50 % | <= 0.50 % |
| Magnesium, Mg | 2.1 – 2.9 % | 2.1 – 2.9 % |
| Manganese, Mn | <= 0.30 % | <= 0.30 % |
| Other, each | <= 0.05 % | <= 0.05 % |
| Other, total | <= 0.15 % | <= 0.15 % |
| Silicon, Si | <= 0.40 % | <= 0.40 % |
| Titanium, Ti | <= 0.20 % | <= 0.20 % |
| Zinc, Zn | 5.1 – 6.1 % | 5.1 – 6.1 % |
