Magnesium AZ31B-H26 (UNS M11311)
AZ31B-H26 is a magnesium alloy that is partially annealed and partially strain hardened. It is a high-strength, lightweight alloy that is used in a variety of applications, including aerospace, automotive, and electronics.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 2.5% | 3.5% |
| Calcium | 0.04% | |
| Copper | 0.05% | |
| Iron | 0.005% | |
| Manganese | 0.20% | |
| Nickel | 0.005% | |
| Silicon | 0.10% | |
| Zinc | 0.6% | 1.4% |
The following table provides a list of magnesium AZ31B-H26 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1770 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 275 MPa |
| Tensile Strength (Yield) | 190 MPa |
| Compressive Strength (Yield) | 130 MPa |
| Bearing Strength (Ultimate) | 495 MPa |
| Bearing Strength (Yield) | 275 MPa |
| Shear Strength | 190 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 10% |
| Poisson’s Ratio (ν) | 0.35 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point | 605 - 630 °C |
| Solidus | 605 °C |
| Liquidus | 630 °C |
| Thermal Conductivity | 96 W/m·K |
| Specific Heat Capacity (Cp) | 1000 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 1/°C |
| Heat of Fusion | 340 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 9.20×10-6 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 AZ31B-H26
| Advantages | Disadvantages |
|---|---|
| Lightweight | Limited temperature resistance |
| Good strength and rigidity | Susceptible to corrosion in the presence of moisture |
| Good machinability | Higher cost compared to some other alloys |
| Good heat dissipation properties | Prone to stress corrosion cracking in certain environments |
Applications of Magnesium AZ31B-H26
Magnesium AZ31B-H26, as a specific grade of magnesium alloy, finds applications in various industries. Here are some common applications of Magnesium AZ31B-H26:
- Aerospace industry: Magnesium alloys, including AZ31B-H26, are used in aerospace applications due to their lightweight properties. They can be found in aircraft components such as aircraft seats, cabin interiors, instrument panels, and structural elements.
- Automotive industry: Magnesium alloys are utilized in the automotive sector for lightweight structural components. AZ31B-H26 can be used in engine parts, gearbox casings, steering columns, and other components to reduce weight and improve fuel efficiency.
- Consumer electronics: Magnesium alloys, including AZ31B-H26, are used in the manufacturing of consumer electronic devices such as laptops, tablets, and smartphones. The lightweight nature of magnesium helps in achieving slim and portable designs, while its good heat dissipation properties aid in managing thermal issues.
- Sports equipment: Magnesium alloys are employed in the production of sports equipment due to their lightweight and high strength characteristics. AZ31B-H26 can be used in bicycle frames, golf club heads, tennis racquets, and other sporting goods where weight reduction and durability are important.
- Medical devices: Magnesium alloys have applications in the medical industry, primarily for biodegradable implants. AZ31B-H26, being one of the commonly used magnesium alloys, can be utilized in temporary implants that gradually degrade over time as the body heals.
- Industrial machinery: Magnesium alloys, including AZ31B-H26, are employed in various industrial machinery and equipment. They can be used in components such as gears, housings, brackets, and tooling, where lightweight materials with sufficient strength are required.