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Related Specifications
Alloy 5083 corresponds to the following standard designations and specifications but may not be a direct equivalent: :
- GM41
- A95083
- AlMG4.5Mn
- Al Mg4.5 Mn0.7
Temper Types
The most common tempers for 5083 aluminium are:
- O
- H111
- H32
- F
Properties
Chemical Composition
Alloy 5083
BS EN 573-3
| Chemical Element | % Present |
|---|---|
Manganese (Mn) | 0.40 - 1.00 |
Magnesium (Mg) | 4.00 - 4.90 |
Silicon (Si) | 0.00 - 0.40 |
Zinc (Zn) | 0.00 - 0.10 |
Chromium (Cr) | 0.05 - 0.25 |
Titanium (Ti) | 0.05 - 0.25 |
Other (Each) | 0.00 - 0.05 |
Others (Total) | 0.00 - 0.15 |
Aluminium (Al) | Balance |
Iron (Fe) | Balance |
Copper (Cu) | Balance |
Mechanical Properties
Extrusions
Typical
| Mechanical Property | Value |
|---|---|
Proof Stress | 145 MPa |
Tensile Strength | 300 MPa |
Elongation A50 mm | 23 % |
Shear Strength | 175 MPa |
Hardness Vickers | 75 HV |
General Physical Properties
| Physical Property | Value |
|---|---|
Density | 265 g/cm³ |
Melting Point | 570 °C |
Thermal Expansion | 25 x 10-6/K |
Modulus of Elasticity | 72 GPa |
Thermal Conductivity | 121 W/m.K |
Electrical Resistivity | 0.058 x 10-6Ω .m |
Applications
- Shipbuilding
- Rail cars
- Vehicle bodies
- Tip truck bodies
- Mine skips and cages
- Pressure vessels
Characteristics
- Exceptional strength after welding
- Exceptional performance in extreme environments
- Not recommended for use in temperatures above 65oC
- Marine grade aluminium alloy
Additional Information
Weldability
When welding 5083 to itself or another alloy from the same sub-group, the recommended filler metal is 5183. Other suitable fillers are 5356 and 5556.
| Process | Rating |
| Weldability - Gas | Average |
| Weldability - Arc | Excellent |
| Weldability - Resistance | Excellent |
| Brazability | Poor |
| Solderability | Poor |
Fabrication
| Process | Rating |
|---|---|
| Workability - Cold | Average |
| Machinability | Poor |
