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.
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| 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 button 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: Commonly used in the construction of boats, ships, and offshore platforms due to its excellent corrosion resistance and strength.
- Aerospace: Used for aircraft structural components, such as wing and fuselage skins, because of its high strength-to-weight ratio.
- Transportation: Ideal for truck and trailer bodies, as well as in the construction of rail cars.
- Structural applications: Frequently chosen for bridges, buildings, and pipelines owing to its strength and corrosion resistance.
- Pressure vessels: Well-suited for construction of pressure vessels because of its high strength and resistance to corrosion.
- Machined parts: An excellent choice for producing gears, bearings, and valves due to its good machinability.