Magnesium HK31A-H24 (UNS M13310)
HK31A-H24 is a magnesium alloy that is known for its good castability, pressure tightness, and creep resistance. It is commonly used in aerospace applications, such as aircraft components and spacecraft structures.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Copper | 0.10% | |
| Nickel | 0.01% | |
| Thorium | 2.5% | 4.0% |
| Zinc | 0.30% | |
| Zirconium | 0.40% | 1.0% |
The following table provides a list of magnesium HK31A-H24 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1800 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 250 MPa |
| Tensile Strength (Yield) | 190 MPa |
| Compressive Strength (Yield) | 160 MPa |
| Bearing Strength (Ultimate) | 420 MPa |
| Bearing Strength (Yield) | 285 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 15% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 58 |
| Knoop Hardness Converted from Brinell | 72 |
| Machinability | 100% |
| Charpy Impact V-notch | 4.10 J |
| Thermal Properties | Metric |
| Melting Point | 590 - 650 °C |
| Solidus | 590 °C |
| Liquidus | 650 °C |
| Thermal Conductivity | 92 W/m·K |
| Specific Heat Capacity (Cp) | 1000 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.8 1/°C |
| Heat of Fusion | 325 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 6.10×10-6 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 HK31A-H24
| Advantages | Disadvantages |
|---|---|
| Good castability | High cost |
| High strength | Corrosion prone |
| Creep resistance | Low melting point |
| Lightweight | Difficult to machine |
Applications of Magnesium HK31A-H24
Magnesium HK31A-H24 is a versatile and high-performance magnesium alloy that is well-suited for a variety of applications. Some of the applications of Magnesium HK31A-H24:
- Aerospace: Magnesium HK31A-H24 is a valuable material for the aerospace industry due to its good castability, pressure tightness, and creep resistance. It is commonly used for engine mounts, landing gear, and structural components.
- Automotive: Magnesium HK31A-H24 is also used in the automotive industry for applications such as engine blocks, brake rotors, and suspension components.
- Machinery: Magnesium HK31A-H24 is a versatile material that can be used in a variety of machinery applications, such as gears, shafts, and bearings.
- Electronics: Magnesium HK31A-H24 is a non-magnetic material that can be used in electronic applications, such as housings and circuit boards.
- Other applications: Magnesium HK31A-H24 can also be used in a variety of other applications, such as sporting goods, medical devices, and construction materials.