Magnesium HM21A-T5 (UNS M13210)
HM21A-T5 is a magnesium alloy that is known for its high strength and light weight. It is often used in aerospace applications, as well as in automotive and other industries where weight is a critical factor.
| 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-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 | 1780 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 230 MPa |
| Tensile Strength (Yield) | 150 MPa |
| Compressive Strength (Yield) | 110 MPa |
| Bearing Strength (Ultimate) | 250 MPa |
| Bearing Strength (Yield) | 160 MPa |
| Shear Strength | 125 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 9% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 50 |
| Machinability | 100% |
| 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-T5
| Advantages | Disadvantages |
|---|---|
| High strength | Corrosion-prone |
| Good toughness | High cost |
| Lightweight | Difficult to weld |
| Good machinability |
Applications of Magnesium HM21A-T5
Magnesium HM21A-T5 is a high-strength, heat-treatable magnesium alloy that is used for a variety of applications, including aerospace, automotive, and defense. Here are some of the specific applications of this alloy:
- Aerospace: HM21A-T5 is used for a variety of components in aircraft, including engine blocks, landing gear components, and structural parts.
- Automotive: HM21A-T5 is used for a variety of components in automobiles, including engine blocks, transmission housings, and brake calipers.
- Defense: HM21A-T5 is used for a variety of components in defense applications, including weapons systems, armor plating, and aircraft components.
- Machine tools: HM21A-T5 is used for a variety of machine tool components, including tool holders, fixtures, and machine beds.
- Medical devices: HM21A-T5 is used for a variety of medical devices, including implants, surgical instruments, and medical equipment.
- Sports equipment: HM21A-T5 is used for a variety of sports equipment, including golf clubs, tennis rackets, and bicycle frames.