Magnesium AZ80A-T5 (UNS M11800)
Magnesium AZ80A-T5 is a high-performance magnesium alloy known for its excellent strength-to-weight ratio, good machinability, and thermal properties. Widely used across industries, it is especially valued in aerospace and automotive applications that demand both durability and weight reduction.
Looking to buy magnesium?
Check pricing and availability through our trusted partner:
| 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-T5 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) | 380 MPa |
| Tensile Strength (Yield) | 275 MPa |
| Compressive Strength (Yield) | 240 MPa |
| Shear Strength | 165 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 | 82 |
| Knoop Hardness Converted from Brinell | 106 |
| Vickers Hardness Converted from Brinell | 93 |
| 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-T5
| Advantages | Disadvantages |
|---|---|
| High strength-to-weight ratio | High reactivity |
| Good mechanical properties | Corrosion susceptibility without proper protective coatings |
| Excellent machinability/td> | Limited availability |
| Good vibration damping characteristics | Relatively high cost compared to some other alloys |
Applications of Magnesium AZ80A-T5
Magnesium AZ80A-T5 has various applications across different industries due to its favorable combination of lightweight, strength, and formability. Key applications include:
- Aerospace Industry: Used in aircraft components that require lightweight materials, such as frames, engine mounts, landing gear, and interior structural parts.
- Automotive Industry: Utilized for lightweight components to enhance fuel efficiency and reduce emissions. Common parts include engine blocks, transmission cases, steering columns, wheels, and structural components.
- Consumer Electronics: Employed in portable devices where weight reduction is crucial. Found in laptop frames, tablet casings, smartphone components, and camera bodies.
- Sports and Recreation: Used in equipment like bicycle frames, golf club heads, tennis racket frames, and camping gear such as lightweight tent poles.
- Medical Devices: Applied in orthopedic implants and surgical tools due to its lightweight and biocompatible properties, including screws, plates, and temporary support structures.
- Industrial and General Engineering: Found in machinery components, industrial tools, structural supports, and electrical housings where strength and low weight are essential.