Magnesium K1A-F (UNS M18010)
Magnesium K1A-F is a lightweight, high-performance alloy commonly used in die casting. It offers an excellent balance of low density, high damping capacity, good corrosion resistance, and superior machinability, making it suitable for demanding applications in automotive, aerospace, and marine industries.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | —— | Remainder |
| Zirconium | 0.4% | 1.0% |
The following table provides a list of magnesium K1A-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 | 1740 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 180 MPa |
| Tensile Strength (Yield) | 55 MPa |
| Bearing Strength (Ultimate) | 317 MPa |
| Bearing Strength (Yield) | 125 MPa |
| Shear Strength | 55 MPa |
| Young’s Modulus (E) | 44.8 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 19% |
| Poisson’s Ratio (ν) | 0.32 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point | 650 °C |
| Solidus | 650 °C |
| Liquidus | 650 °C |
| Thermal Conductivity | 122 W/m·K |
| Specific Heat Capacity (Cp) Typical value for Mg alloys | 1.00 J/g·°C |
| Coefficient of Thermal Expansion (αL) | 27 1/°C |
| Heat of Fusion | 343 - 360 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 5.70×10-6 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 K1A-F
| Advantages | Disadvantages |
|---|---|
| Light weight | Low melting point |
| High strength | Poor thermal conductivity |
| Good machinability | High cost |
| Good weldability | Low stiffness |
| Good corrosion resistance |
Applications of Magnesium K1A-F
Magnesium K1A-F is widely utilized across industries for its strength-to-weight ratio and corrosion resistance, including:
- Automotive: Used in a variety of components, including engine blocks, suspension components, and wheels.
- Aerospace: Applied in aerospace components such as landing gear, structural components, and rocket bodies.
- Marine: Found in marine components like boat hulls, propellers, and rudders.
- Electronics: Used in electronics for housings, heat sinks, and circuit boards.