Magnesium ZK40A-T5 (UNS M16400)
ZK40A-T5 is a high-strength magnesium alloy valued for its low density and excellent specific stiffness. Its combination of lightweight and mechanical properties makes it ideal for aerospace structures as well as automotive, industrial, and consumer applications where strength and weight savings are critical.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | —— | Remainder |
| Zinc | 3.5% | 4.5% |
| Zirconium | 0.45% | —— |
The following table provides a list of magnesium ZK40A-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 | 1820 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 276 MPa |
| Tensile Strength (Yield) | 255 MPa |
| Compressive Strength (Yield) | 140 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 4% |
| Poisson’s Ratio (ν) | 0.35 |
| Thermal Properties | Metric |
| Specific Heat Capacity (Cp) Typical value for Mg alloys | 1.00 J/g·°C |
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 ZK40A-T5
| Advantages | Disadvantages |
|---|---|
| High strength | Low melting point |
| Good machinability | Brittle |
| Lightweight | High cost |
| Weldable |
Applications of Magnesium ZK40A-T5
ZK40A-T5 is a high-strength magnesium alloy that is used in a variety of applications, including:
- Aerospace industry: Used to manufacture aircraft structures, including landing gear, wing spars, and fuselage panels.
- Automotive industry: Employed in producing components such as engine blocks, brake rotors, and suspension parts.
- Marine industry: Utilized in boat hulls, propellers, and rudders for marine applications.
- Electronics industry: Applied in heat sinks and housings.
- Tooling industry: Used in the fabrication of dies and molds.
- Machinery industry: Suitable for making gears and bearings.