Magnesium HM21A-F (UNS M13210)
Magnesium HM21A-F is a premium magnesium alloy prized for its exceptional strength, toughness, and corrosion resistance. It finds extensive use across aerospace, automotive, and industrial sectors, offering a lightweight yet durable solution that enhances performance and longevity in demanding environments.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | —— | Remainder |
| Manganese | 0.45% | 1.1% |
| Thorium | 1.5% | 2.5% |
The following table provides a list of magnesium HM21A-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 | 1780 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 230 MPa |
| Tensile Strength (Yield) | 140 MPa |
| Compressive Strength (Yield) | 115 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 |
| Thermal Properties | Metric |
| Melting Point | 605 - 650 °C |
| Solidus | 605 °C |
| Liquidus | 650 °C |
| Specific Heat Capacity (Cp) | 1000 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.8 1/°C |
| Heat of Fusion | 343 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 5.00×10-6 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 HM21A-F
| Advantages | Disadvantages |
|---|---|
| High strength | Flammable |
| Corrosion resistance | Expensive |
| Lightweight | Difficult to machine |
Applications of Magnesium HM21A-F
Magnesium HM21A-F is a versatile and reliable alloy that is used in a variety of applications, including:
- Aerospace industry: used to manufacture aircraft parts, including engine blocks, pistons, and wheels.
- Automotive industry: employed in engine blocks, pistons, wheels, and brake rotors.
- Industrial sector: applied in machinery, tools, dies, and molds.
- Medical industry: utilized in implants, prosthetics, and surgical instruments.