Aluminum Alloy 5083 (UNS A95083)
Aluminum 5083 is a high-strength, non-heat-treatable alloy known for its exceptional corrosion resistance. It is widely used in marine, aerospace, and structural applications, particularly in harsh environments.
Looking to buy aluminum?
Check pricing and availability through our trusted partner:
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Aluminum | 92.4% | 95.6% |
| Chromium | 0.05% | 0.25% |
| Copper | —— | 0.1% |
| Iron | —— | 0.4% |
| Magnesium | 4.0% | 4.9% |
| Manganese | 0.4% | 1.0% |
| Silicon | —— | 0.4% |
| Titanium | —— | 0.15% |
| Zinc | —— | 0.25% |
| Residuals | —— | 0.15% |
The following table provides a list of aluminum 5083 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 2660 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength | 260 - 380 MPa |
| Yield Strength | 110 - 230 MPa |
| Young’s Modulus (E) | 70 - 80 GPa |
| Shear Modulus (G) | 26 GPa |
| Elongation at Break | 15% |
| Poisson’s Ratio (ν) | 0.33 |
| Brinell Hardness | 85 HB |
| Thermal Properties | Metric |
| Melting Point | 570 - 640 °C |
| Thermal Conductivity | 120 W/m·K |
| Specific Heat Capacity (Cp) | 900 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 2.34×10-5 1/°C |
| Electrical Properties | Metric |
| Electrical Conductivity | 1.68×107 S/m |
| Electrical Resistivity | 5.9×10-8 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 508
| Advantages | Disadvantages |
|---|---|
| High strength | Not heat-treatable |
| Corrosion resistance | Low melting point |
| Weldability | High cost |
| Formability | |
| Machinability |
Applications of Aluminum 5083
Aluminum 5083 is a versatile material valued for its high strength and corrosion resistance, making it suitable for a wide range of applications, including:
- Marine and offshore structures: Due to its excellent corrosion resistance and strength, Aluminum 5083 is commonly used in the construction of boats, ships, and offshore platforms.
- Aerospace: Aluminum 5083 is used in the aerospace industry for aircraft structural components, such as wing and fuselage skins, due to its high strength-to-weight ratio.
- Transportation: Aluminum 5083 is used in the transportation industry for truck and trailer bodies, as well as in the construction of rail cars.
- Structural applications: Aluminum 5083 is used in structural applications such as bridges, buildings, and pipelines due to its strength and corrosion resistance.
- Pressure vessels: Aluminum 5083 is used in the construction of pressure vessels due to its high strength and resistance to corrosion.
- Machined parts: Aluminum 5083 is used to produce machined parts, such as gears, bearings, and valves, due to its good machinability.