Aluminum 7049
Material Data Sheet
7049 Aluminum alloy is a forging alloy. It has excellent resistance to stress corrosion cracking. The following datasheet will provide more details about the aluminum 7049 alloy.
Chemical Composition
| Element | Content(%) |
|---|---|
| Aluminum | 88.7 |
| Zinc, Zn | 7.6 |
| Magnesium, Mg | 2.5 |
| Copper, Cu | 1.5 |
| Chromium, Cr | 0.15 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 2.84 g/cc | 0.103 lb/in3 |
| Melting Point | 477 – 635.0 °C | 890 – 1175 °F |
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Hardness, Brinell | 135 | 135 |
| Hardness, Knoop | 170 | 170F |
| Hardness, Rockwell A | 50.5 | 50.5 |
| Hardness, Rockwell B | 82 | 82 |
| Hardness, Vickers | 155 | 155 |
| Tensile Strength, Ultimate | 517 MPa | 75000 psi |
| Tensile Strength, Yield | 448 MPa | 65000 psi |
| Elongation at Break | 12% | 12% |
| Modulus of Elasticity | 71.7 GPa | 10400 ksi |
| Poissons Ratio | 0.33 | 0.33 |
| Shear Modulus | 27.6 GPa | 4000 ksi |
| Shear Strength | 303 MPa | 44000 psi |
Thermal Properties
| Properties | Metric | Imperial |
|---|---|---|
| Specific Heat Capacity | 0.960 J/g-°C | 0.229 BTU/lb-°F |
| Thermal Conductivity | 154 W/m-K | 1070 BTU-in/hr-ft²-°F |
Applications
Aluminum 7049 is used in the following application areas:
- Aircraft main landing gear
- missile accessories
