Magnesium ZK51A-T5 (UNS M16510)
ZK51A-T5 is a magnesium alloy that has good room-temperature strength, high yield strength, and good ductility. It is used in a variety of applications, including aerospace, automotive, and industrial applications.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Copper | 0.10% | |
| Nickel | 0.01% | |
| Zinc | 3.6% | 5.5% |
| Zirconium | 0.50% | 1.0% |
The following table provides a list of magnesium ZK51A-T5 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1830 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 205 MPa |
| Tensile Strength (Yield) | 165 MPa |
| Compressive Strength (Ultimate) | 345 MPa |
| Compressive Strength (Yield) | 140 MPa |
| Bearing Strength (Ultimate) | 485 MPa |
| Bearing Strength (Yield) | 350 MPa |
| Fatigue Strength # of Cycles 1.0e+8 | 62 MPa |
| Shear Strength | 160 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 3.5% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 65 |
| Knoop Hardness Converted from Brinell | 88 |
| Rockwell Hardness | 72 |
| Vickers Hardness Converted from Brinell | 75 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 550 °C |
| Solidus | 560 °C |
| Liquidus | 640 °C |
| Thermal Conductivity | 110 W/m·K |
| Specific Heat Capacity (Cp) | 1020 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 1/°C |
| Heat of Fusion | 318 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 6.20×10-6 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 ZK51A-T5
| Advantages | Disadvantages |
|---|---|
| Good strength | Relatively expensive |
| Lightweight | Poor weldability |
| Good machinability | Can be brittle at low temperatures |
| Good corrosion resistance |
Applications of Magnesium ZK51A-T5
Magnesium ZK51A-T5 is a versatile and high-performance alloy that is used in a wide range of applications, including:
- Aerospace: Magnesium ZK51A-T5 is used for highly stressed aerospace castings, such as landing gear components, engine mounts, and structural components.
- Military: Magnesium ZK51A-T5 is used for military castings, such as gun mounts, armor plates, and other structural components.
- Automotive: Magnesium ZK51A-T5 is used for automotive castings, such as engine blocks, transmission housings, and other structural components.
- Marine: Magnesium ZK51A-T5 is used for marine castings, such as boat hulls, propellers, and other structural components.
- Electronics: Magnesium ZK51A-T5 is used for electronic components, such as heat sinks, housings, and other structural components.