Magnesium AZ80A-F (UNS M11800)

AZ80A-F is a high-performance extruded magnesium alloy known for its lightweight structure, excellent corrosion resistance, and ease of machining. With a strong strength-to-weight ratio, it is commonly utilized in demanding applications across aerospace, automotive, and industrial sectors where reducing mass without sacrificing performance is critical.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | —— | Remainder |
| Aluminum | 7.8% | 9.2% |
| Copper | —— | 0.05% |
| Iron | —— | 0.005% |
| Manganese | 0.12% | —— |
| Nickel | —— | 0.005% |
| Silicon | —— | 0.1% |
| Zinc | 0.2% | 0.8% |
The following table provides a list of magnesium AZ80A-F properties in both SI and US customary/Imperial units.
Click on the button to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1800 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 340 MPa |
| Tensile Strength (Yield) | 250 MPa |
| Bearing Strength (Ultimate) | 550 MPa |
| Bearing Strength (Yield) | 350 MPa |
| Shear Strength | 150 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 7% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 67 |
| Knoop Hardness Converted from Brinell | 90 |
| Vickers Hardness Converted from Brinell | 77 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 427 °C |
| Solidus | 490 °C |
| Liquidus | 610 °C |
| Thermal Conductivity | 76 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 1/°C |
| Heat of Fusion | 370 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.45×10-5 Ω·cm |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Magnesium AZ80A-F
| Advantages | Disadvantages |
|---|---|
| Lightweight | Corrosion susceptibility |
| High strength-to-weight ratio | Flammability |
| Good castability | Limited availability |
| Excellent high-temperature properties | Higher cost |
Applications of Magnesium AZ80A-F
AZ80A-F is widely used across multiple sectors due to its unique blend of lightweight strength and corrosion resistance, including:
- Aerospace: Used in aircraft structures, engine components, and landing gear parts. Its low weight improves fuel efficiency and overall performance.
- Automotive: Applied in engine components, transmission cases, steering wheels, and other parts to reduce weight and enhance fuel efficiency.
- Electronics: Offers excellent electromagnetic shielding for components like laptop casings and mobile phone frames.
- Sports equipment: Ideal for tennis rackets, golf club heads, bicycle frames, and other high-strength, lightweight gear.
- Medical devices: Used in surgical instruments, implants, and equipment requiring strength, corrosion resistance, and biocompatibility.
- Industrial machinery: Suitable for tooling, die casting molds, and automation components where strength and weight reduction are key.
- Consumer goods: Found in furniture, luggage, and portable electronics that benefit from a lightweight, durable material.
