General information:
- Alloy type: 5083
- Main alloying elements: Aluminum (Al), Magnesium (Mg)
- International standard: EN AW-5083
Mechanical properties:
- Tensile strength: 275 MPa (megapascals)
- Yield strength: 125 MPa
- Elongation at break: 12%
- Hardness (Brinell): 75 HB
- Modulus of elasticity: 72 GPa
Physical properties:
- Density: 2.66 g/cm³
- Melting point: approx. 570 °C
- Thermal conductivity: 120 W/(m·K)
- Electrical conductivity: 29% IACS (International Annealed Copper Standard)
Chemical composition (in weight percent):
- Aluminium (Al): 95.7%
- Magnesium (Mg): 4.0%
- Iron (Fe): 0.4%
- Copper (Cu): 0.1%
- Manganese (Mn): 0.4%
- Silicon (Si): 0.4%
- Chromium (Cr): 0.05%
- Zinc (Zn): 0.25%
- Titanium (Ti): 0.15%
Heat treatment:
- Alloy 5083 can be heat-treated to increase its strength. The most common heat treatment conditions are:
- Original condition (soft): No heat treatment, the material is in its delivered state.
- H111 condition: Uniformly rolled and stress-relieved to reduce strength.
- H321 condition: Uniformly rolled and stress-relieved to reduce strength and improve resistance to stress corrosion cracking.
- H116 condition: Improved strength properties through heating and subsequent solution annealing.
Applications:
- The alloy 5083 is used in various applications that require high corrosion resistance and strength, such as:
- Shipbuilding: Boat hulls, deck structures, bulkheads
- Offshore structures: oil platforms, maritime structures
- Vehicle construction: fuel tanks, truck bodies, trailers
- Aerospace: Aircraft parts, aircraft construction
- Defense industry: military vehicles, tanks
- Industrial applications: pressure vessels, heat exchangers, pipelines
Please note that the values given are guidelines and may vary slightly depending on the manufacturing process and specific batch. It is always recommended to check the manufacturer's exact specifications.