ThePipingMart Blog Grades Aluminum 5454 Alloy (UNS A95454) – Composition, Properties and Uses

Aluminum 5454 Alloy (UNS A95454) – Composition, Properties and Uses

Aluminium 5454

Aluminium 5454 is a remarkable material that has been used for a variety of applications due to its excellent physical and mechanical properties. UNS A95454 is an alloy composed of aluminum, magnesium, and manganese, making it an ideal choice for many industries. Let’s take a closer look at the uses, corrosion resistance, heat resistance, heat treatment, machining, and welding possibilities of 5454 Alloy.

5454 Alloy Chemical Composition

Element Content (%)
Aluminium / Aluminum, Al 96.3
Magnesium, Mg 2.7
Chromium, Cr 0.12
Manganese, Mn 0.8

5454 Alloy Physical Properties

Properties Metric Imperial
Density 2.6-2.8 g/cm3 0.0939-0.1011 lb/in3
Melting point 607°C 1125°F

5454 Alloy Mechanical Properties

Properties Metric Imperial
Elastic modulus 70-80 GPa 10152-11603 ksi
Poisson’s ratio 0.33 0.33

5454 Alloy Thermal Properties

Properties Conditions
T (ºC) Treatment
Thermal conductivity 134 (W/mK) 25 All

5454 Alloy Equivalent

  • ASTM B209
  • ASTM B221
  • ASTM B234
  • ASTM B241
  • ASTM B404
  • ASTM B547
  • ASTM B548
  • QQ A-200/6
  • QQ A250/10
  • SAE J454

5454 Alloy Uses

aluminum 5454 is used in a variety of industries, such as automotive, aerospace, chemical processing and marine engineering, due to its superior strength-to-weight ratio. It is often used in applications such as fuel tanks, pressure vessels, storage tanks, truck bodies and other components that require high strength with good formability. It can also be used for structural components like bridges and buildings due to its ability to resist corrosion.

Corrosion Resistance

aluminum 5454 offers excellent corrosion resistance when exposed to saltwater environments or other corrosive materials. This makes it ideal for use in boat building or any other application where exposure to salt water could be a factor. Additionally, it has excellent wear resistance, which makes it suitable for use in parts subjected to abrasion or friction, such as gears and bearings.

Heat Resistance

aluminum 5454 has excellent heat resistance, which makes it suitable for high-temperature applications like exhaust systems or hot air ducts. Additionally, its high melting point makes it ideal for casting engine blocks or other components that need to withstand high temperatures without deforming or melting. In addition to this, its ability to resist oxidation makes it suitable for use in industrial furnaces where temperatures can reach up to 1000°C (1832°F).

Heat Treatment

aluminum 5454 can be heat treated by either solution heat treating (SHT) or precipitation hardening (PH). SHT involves heating the alloy up to 500-550°C (932-1022°F) followed by rapid cooling, while PH involves heating the alloy up to 200-400°C (392-752°F) and then slowly cooling over several days before being tempered at lower temperatures. Heat treating this alloy can increase its strength while maintaining good formability and weldability, making it suitable for applications that require higher levels of strength than what the raw material offers naturally.


Aluminium 5454 can be machined using conventional methods such as turning, drilling and milling but care must be taken when machining this material due to its tendency towards work hardening during cutting operations. This means that tooling must be kept sharp, and cutting speeds should be kept low in order to maximize tool life while ensuring accurate results are achieved during machining operations.


Aluminium 5455 can be welded using either TIG welding or MIG welding techniques depending on the application requirements; however, care must be taken during these operations as excessive heat input can lead to cracking around the welded area, which could compromise structural integrity if not addressed quickly enough. Additionally, preheating before welding is recommended as this will help reduce stress levels within the material, which could otherwise lead to cracking during welding operations.


Aluminium 5455 is an incredibly versatile material with many uses across multiple industries, thanks largely due to its excellent physical and mechanical properties, including corrosion resistance, heat resistance, heat treatability, machinability, and weldability. By understanding these characteristics, you will have a better understanding of how best to utilize this amazing metal in your next engineering project!

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