About aluminium 5080 / 5083 – Exceptional performance in extreme settings
Introducing aluminium alloy 5083, a seriously strong alloy that’s popular in all sorts of heavy engineering contexts. This alloy has a very high resistance to corroding sea water and powerful industrial chemicals. It displays the best strength of all non-heat treatable alloys but isn’t suitable for using in temperatures higher than 65°C. It retains its strength after welding very well indeed. And its blend of good ductility and formability means it works very well in low temperature environments.
What is aluminium 5080 / 5083?
Mechanical and physical properties:
- Proof strength 145 MPa
- Tensile strength 300 MPa
- Shear strength 175 MPa
- Hardness Vickers 75 HV
- Hardness Brinnell 75 HB
- Elongation 23%
- Density 2.65Kg/m3
- Thermal expansion 25 x 10 to the minus 6/K
- Melting point 570C
- Modulus of elasticity 72 GPa
- Electrical Resistivity 0.058 X 10 to the minus 6 Ω .m
- Thermal conductivity 121W/m.K
Working with alloy 5083:
- Poor solderability
- Poor brazability
- Poor machinability
- Average quality gas weldability
- Average cold workability
- Excellent arc weldability
- Excellent resistance weldability
How is aluminium 5080 / 5083 made?
The typical chemical composition of this alloy of aluminium is:
- Copper 0.1%
- Titanium 0.15%
- Zinc 0.25%
- Iron 0.4%
- Silicon 0.4%
- Manganese 0.4 to 1%
- Magnesium 4% to 4.9%
Why was aluminium 5080 / 5083 invented?
This alloy was created for use in very extreme environments, places where sea water, chemicals or other damaging substances would potentially make lesser alloys fail. If you want to weld it either to itself or another alloy belonging to the same sub-group, the recommended filler metal is 5183 followed by 5356 and 5556.
What is aluminium 5080 / 5083 used for?
This incredibly strong alloy is used in heavy engineering and industrial applications, where strength comes at a premium:
- Pressure vessels
- The bodies of tipper trucks
- Railway carriages
- The cages and skips used in mining
- The bodies of vehicles
- CNC machined components
- Making moulds
- Making gauges
- General engineering
- Precision engineering
- Tool technology
- Security technology
- Medical technology
- Tooling for aerospace applications
What affects the price of aluminium 5080 / 5083?
Supplies of aluminium metal itself will impact the price of this alloy, thanks to the everyday behaviour of economic supply and demand. The supply of the other metals used to make the alloy also has an effect –for example if titanium becomes hard to find, the alloy will be more expensive to make. Politics, trade wars, sanctions and post-Brexit transport difficulties impact supplies. So does the fight against climate change, which is putting pressure on various CO2-heavy mining methods. Supply chain issues like the blocking of the Suez Canal don’t help, nor do pandemics.
Buy aluminium 5080 / 5083
We sell a wide choice of quality metals and alloys, including the popular aluminium 5080/5083. If you need expert advice from approachable team members, feel free to contact us.
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