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 - H111
| Property |
Value |
| Proof Stress |
115 Min MPa |
| Tensile Strength |
270 - 345 MPa |
| Elongation at 50 mm |
15 Min % |
| Hardness Brinell |
75 HB |
| Bend Radius 90° |
2.5 x t |
| Please note that Mechanical Properties shown are for H111 temper |
Mechanical Properties of Aluminium Alloy 5083 - H116
| Property |
Value |
| Proof Stress |
215 Min MPa |
| Tensile Strength |
305 MPa |
| Elongation at 50 mm |
15 Min % |
| Hardness Brinell |
85 HB |
| Bend Radius 90° |
3.5 x t |
| Please note that Mechanical Properties shown are for H116 temper |
Bending Properties of Aluminium Alloy 5083
Aluminium Alloy 5083 is capable of being bent cold through an angle of 90 degrees around a pin having a radius equal to N times the thickness (t) of the sheet without cracking.
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 |
