5454 aluminium alloy is an alloy in the wrought aluminium-magnesium family (5000 or 5xxx series). It is closely related to 5154 aluminium alloy. As an aluminium-magnesium alloy, it combines moderate-to-high strength with excellent weldability. Like 5154, 5454 aluminium is commonly used in welded structures such as pressure vessels and ships. As a wrought alloy, it can be formed by rolling, extrusion, and forging (although forging is not common), but not casting. It can be cold worked to produce tempers with a higher strength but a lower ductility. It is generally not clad.

Aluminum alloys contain strong corrosion resistance. These alloys are good low-temperature alloys. Aluminium / Aluminum alloys are sensitive to high temperatures ranging between 200 and 250°C (392 and 482°F). The strength of these alloys increases when exposed to subzero temperatures and the strength decreases when exposed to high temperatures.

Annealing

Aluminium / Aluminum 5454 alloy is annealed at 343°C (650°F) only when the need to relieve the cold working stress arises. After being sufficiently heated the alloy is finally cooled in air.

Cold Working

Aluminium / Aluminum 5454 alloy is capable of being cold worked by using conventional methods. This alloy can be cold worked in any of the H-32, H-34, H-111 tempers or in the annealed condition.

Welding

Aluminium / Aluminum 5454 alloy is capable of being welded by all the commercial welding methods.

Forging

Aluminium / Aluminum 5454 alloy can be hot forged.

Forming

Aluminium / Aluminum 5454 alloy can be readily cold worked in the annealed or tempered conditions. This alloy contains good cold working and hot working characteristics.

Machinability

The machinability of Aluminium / Aluminum 5454 alloy is rated from fair to poor. Machining operations for this alloy is recommended when the alloy is in the H-34 temper condition. Oil lubricants can be used in the machining process.

Heat Treatment

Aluminium / Aluminum 5454 alloy cannot be heat treated.

Hot Working

Aluminium / Aluminum 5454 alloy can be hot worked in the temperature range of 371 to 204°C (700 to 400°F).

Hardening

Aluminium / Aluminum 5454 alloy can be hardened only by being cold worked.

Applications 5454 is typically used in:

Road Transport Body-Building
Cemical and Process Plant
Pressure Vessels, Containers, Boilers
Cryogenics
Marine & Off-shore incl. Masts,
Pylons, poles & masts