Aluminium Alloy 7075
Aluminum Alloy 7075 offers the most elevated quality of the basic screw machine amalgams. The unrivaled anxiety consumption resistance of the T173 and T7351 tempers makes composite 7075 an intelligent swap for 2024, 2014 and 2017 in a large portion of the most basic applications. The T6 and T651 tempers have reasonable machinability. Compound 7075 is intensely used by the air ship and arms commercial enterprises as a result of its unrivaled quality.
CHEMICAL COMPOSITION OF ALUMINIUM ALLOY
Applications of Aluminium Alloy 7075:
Chemical Composition :
| Weight% | Al | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other Each | Others Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 7075 min | Rem | - | - | 1.2 | - | 2.1 | 0.18 | 5.1 | - | - | - |
| 7075 max | Rem | 0.40 | 0.50 | 2.0 | 0.30 | 2.9 | 0.28 | 6.1 | 0.20 | 0.05 | 0.15 |
Mechanical Properties:
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 220 MPa | 31909 psi |
| Yield strength | 95 MPa | 13779 psi |
| Shear strength | 150 MPa | 21756 psi |
| Fatigue strength | 160 MPa | 23206 psi |
| Elastic modulus | 70-80 GPa | 10153-11603 ksi |
| Poisson's ratio | 0.33 | 0.33 |
| Elongation at break | 17% | 17% |
| Hardness | 60 | 60 |
Physical Properties:
| Characteristic | English | Metric |
|---|---|---|
| Nominal Density (68° F / 20°C) | 0.101 lbs./ in ³ | 2.80 Mg/m³ |
| Melting Range | 990° F - 1175° F | 532°C - 635 °C |
| Specific Heat (212 °F / 100°C | 0.23 BTU/lb - °F | 960 J/kg-°K |