Aluminium Alloy 5083 Data Sheet

Aluminium 5083 is known for exceptional performance in extreme environments. 5083 is highly resistant to attack by both seawater and industrial chemical environments.Alloy 5083 also retains exceptional strength after welding. It has the highest strength of the non-heat treatable alloys but is not recommended for use in temperatures in excess of 65°C.

Applications for Aluminium Alloy 5083

  • Shipbuilding
  • Vehicle bodies
  • Pressure vessels
  • Marine Applications
  • Drilling Rigs
  • Transportation Equipments
  • TV/Communication Towers

Chemical Compositions of Aluminium Alloy 5083

Element Composition %
Manganese (Mn) 0.40 - 1.0
Iron (Fe) 0.00 - 0.40
Copper (Cu) 0.0 - 0.10
Magnesium (Mg) 4.0 - 4.90
Silicon (Si) 0.0 - 0.40
Zinc (Zn) 0.0 - 0.25
Chromium (Cr) 0.05 - 0.25
Titanium (Ti) 0.0 - 0.15
Aluminium (Al) Balance

Mechanical Properties of Aluminium Alloy 5083

Property Value
Proof Stress 115 Min MPa
Tensile Strength 270 - 345 MPa
Elongation at 50 mm 23 Min %
Hardness Brinell 75 HB
Please note that Mechanical Properties shown are for H111 temper

Aluminium Alloy 5083 Weldability

Gas
Average
Arc
Excellent
Brazability
Poor
Resistance
Excellent

AA 5083 Fabrication

Machinability
Poor
Workability - Cold
Average

Generic Physical Properties of Aluminium Alloy 5083

Property Value
Density 2.65 g/cm3
Melting Point 570°C
Thermal Expansion 25.0 ×10−6 /K
Modulus of Elasticity 72 GPa
Thermal Conductivity 121 W/m.K
Electrical Resistivity 0.058 ×10−6Ω.m
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