Magnesium AZ80A-T6 (UNS M11800)
Magnesium AZ80A-T6 is a high-performance alloy known for its excellent strength-to-weight ratio, corrosion resistance, and good machinability. Commonly used in demanding applications across aerospace, automotive, and defense sectors, this alloy offers a balance of mechanical performance and lightweight design, making it ideal for weight-sensitive components.
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| 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 | —— | 0.10% |
| Zinc | 0.20% | 0.80% |
The following table provides a list of magnesium AZ80A-T6 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 |
| Compressive Strength (Yield) | 185 MPa |
| Fatigue Strength # of Cycles 1.0e+8 | 100 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 5% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 72 |
| Knoop Hardness Converted from Brinell | 95 |
| Vickers Hardness Converted from Brinell | 82 |
| 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-T6
| Advantages | Disadvantages |
|---|---|
| Lightweight | Corrosion susceptibility |
| High strength-to-weight ratio | Lower modulus of elasticity |
| Good machinability | Limited temperature resistance |
| Enhanced impact resistance | Higher cost |
| Good dimensional stability | Flammability risk |
Applications of Magnesium AZ80A-T6
Magnesium AZ80A-T6 is widely used across industries that benefit from its strength, low weight, and corrosion resistance, including:
- Aerospace: Used in aircraft components, including structural parts, brackets, and interior components.
- Automotive: Employed for lightweight structural components, such as engine blocks, transmission cases, suspension parts, and steering components.
- Sporting Goods: Utilized in the manufacturing of bicycles, golf clubs, tennis racquets, and other equipment.
- Electronics: Used in electronics for lightweight casings and housings of electronic devices.
- Medical Devices: Employed in the production of lightweight, biocompatible devices such as orthopedic implants and surgical instruments.
- Consumer Goods: Used in the production of hand tools, luggage frames, camera bodies, and various other lightweight products.
- Defense and Military: Applied in defense equipment, including lightweight armor, weapon components, and vehicle parts.