AZ80A-T5
Material Data Sheet
Magnesium alloys have been developed primarily for use in the automobile and aerospace sectors due to their lightweight properties. Magnesium AZ80A-T5 alloy is similar to but stronger than, magnesium grade AZ61A-F alloy.
Chemical Composition
| Element | Content (%) |
|---|---|
| Magnesium, Mg | 91.0 |
| Aluminum, Al | 7.8 – 9.2 |
| Zinc, Zn | 0.2 – 0.80 |
| Manganese, Mn | ≤ 0.12 |
| Silicon, Si | ≤ 1.0 |
| Copper, Cu | ≤ 0.05 |
| Iron, Fe | ≤ 0.005 |
| Nickel, Ni | ≤ 0.005 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 1.80 g/cc | 0.065 lb/in³ |
| Melting Point | 427 °C | 801 °F |
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Hardness, Brinell | 82 | 82 |
| Hardness, Knoop | 106 | 106 |
| Hardness, Rockwell A | 35 | 35 |
| Hardness, Rockwell B | 50 | 50 |
| Hardness, Vickers | 93 | 93 |
| Tensile Strength, Ultimate | 380 MPa | 55100 psi |
| Tensile Strength, Yield | 275 MPa | 39900 psi |
| Elongation at Break | 7.0% | 7.0% |
| Tensile Modulus | 45.0 GPa | 6530 ksi |
| Compressive Yield Strength | 240 MPa | 34800 psi |
| Poissons Ratio | 0.35 | 0.35 |
| Machinability | 100% | 100% |
| Shear Modulus | 17.0 GPa | 2470 ksi |
| Shear Strength | 165 MPa | 23900 psi |
Applications
Forgings in AZ80A find application in high strength
parts for:
- Satellites
- Helicopter gearboxes and rotor hubs
- Bicycle frames
- Roadwheels
- Missile frames and
interstage fairings - Brake housings and landing gear struts.
