Aluminum Alloy 5086 (UNS A95086)
Aluminum 5086 is a high-strength structural alloy that is commonly used in the marine industry due to its excellent corrosion resistance and weldability. It is also used in other industries such as transportation, construction, and industrial applications where strength and durability are important.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Aluminum | 93.0% | 96.3% |
| Chromium | 0.05% | 0.25% |
| Copper | —— | 0.1% |
| Iron | —— | 0.5% |
| Magnesium | 3.5% | 4.5% |
| Manganese | 0.2% | 0.7% |
| Silicon | —— | 0.4% |
| Titanium | —— | 0.15% |
| Zinc | —— | 0.25% |
| Residuals | —— | 0.15% |
The following table provides a list of aluminum 5086 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 2650 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength | 260 MPa |
| Yield Strength | 120 MPa |
| Young’s Modulus (E) | 70 - 80 GPa |
| Shear Modulus (G) | 26 GPa |
| Elongation at Break | 12% |
| Poisson’s Ratio (ν) | 0.33 |
| Brinell Hardness | 80 HB |
| Thermal Properties | Metric |
| Melting Point | 590 - 640 °C |
| Thermal Conductivity | 125 W/m·K |
| Specific Heat Capacity (Cp) | 900 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 2.39×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 1.8×107 S/m |
| Electrical Resistivity | 5.6×10-8 Ω·m |
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 Aluminum 5086
| Advantages | Disadvantages |
|---|---|
| Corrosion resistance | High cost |
| High strength | Limited heat resistance |
| Lightweight | Surface finish |
| Weldability | Strength limitations at high temperatures |
| Formability |
Applications of Aluminum 5086
Aluminum 5086 is a versatile alloy that finds use in a wide range of applications. Some common applications of Aluminum 5086 include:
- Marine industry: Aluminum 5086 is a popular material choice for boat hulls, superstructures, and other marine components due to its excellent corrosion resistance and weldability.
- Offshore oil rigs: Aluminum 5086 is highly resistant to saltwater corrosion, making it a preferred material for offshore oil rigs and other structures exposed to harsh marine environments.
- Transportation industry: Aluminum 5086 is used in the transportation industry for applications such as truck and trailer bodies, rail cars, and other transportation components due to its high strength-to-weight ratio.
- Aerospace industry: Aluminum 5086 is used in the aerospace industry for applications such as aircraft fuselage and wing structures due to its lightweight and high strength properties.
- Industrial applications: Aluminum 5086 is used in various industrial applications such as heat exchangers, chemical processing equipment, and pressure vessels due to its high strength and corrosion resistance properties.
- Construction industry: Aluminum 5086 is used in the construction industry for applications such as bridges, roofing, and siding due to its durability and resistance to corrosion.
- Electrical industry: Aluminum 5086 is used in electrical applications such as transmission lines and bus bars due to its good conductivity and lightweight properties.
- Sports equipment: Aluminum 5086 is used in the manufacturing of sports equipment such as bike frames, ski poles, and baseball bats due to its lightweight and high strength properties.