ThePipingMart Blog Grades Aluminum 5252 Alloy (UNS A95252)- Composition, Properties and Uses

Aluminum 5252 Alloy (UNS A95252)- Composition, Properties and Uses

Aluminium 5252

Aluminium 5252 is an alloy that was designed to offer superior strength and corrosion resistance. UNS A95252 is used in many different industries, such as aerospace and automotive, due to its ability to withstand high temperatures and its machinability. This blog post will explore the uses, corrosion resistance, heat resistance, heat treatment, machining, and welding properties of 5252 Alloy.

5252 Alloy Composition

Element Content (%)
Aluminium / Aluminum, Al 97.5
Magnesium, Mg 2.5

5252 Alloy Physical Properties

Properties Metric Imperial
Density 2.6-2.8 g/cm3 0.0939-0.1011 lb/in3

5252 Alloy Mechanical Properties

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

5252 Alloy Thermal Properties

Properties Conditions
T (ºC) Treatment
Thermal conductivity 138 W/mK 25 All

5252 Alloy Equivalent

  • ASTM B209

5252 Alloy Uses

Aluminium 5252 has a wide range of uses due to its superior strength and corrosion-resistant properties. It is often used in aerospace manufacturing aircraft components such as fuselages and wings. Additionally, it can be used for car parts like pistons or manifolds since it has excellent heat resistance properties. It is also commonly used in electrical engineering applications such as terminals because it has good electrical conductivity.

Corrosion Resistance

The corrosion-resistant properties of aluminium 5252 are one of its most desirable features. This alloy offers excellent protection against elements like humidity, salt water spray and chemicals which can cause corrosion on other metals. Additionally, it is not affected by temperature variations which makes it suitable for use in both indoor and outdoor applications where there are extreme temperatures.

Heat Resistance

As previously mentioned, aluminium 5252 has excellent heat resistance properties, which make it suitable for high-temperature environments. This alloy can withstand temperatures up to 350°C (662°F) without any significant degradation in performance or loss of mechanical properties. Additionally, aluminium 5252 does not lose its strength at elevated temperatures making it ideal for applications requiring a combination of strength and thermal stability.

Heat Treatment

Heat treatment is sometimes required to achieve the desired mechanical or physical properties of the material being worked with. In the case of aluminium 5252, annealing can be used to soften the material while still retaining its mechanical properties. Additionally, age-hardening treatments can be applied in order to increase the hardness and strength of the alloy without sacrificing any ductility or toughness.


Machining this type of aluminium alloy requires special tools due to its higher hardness than other types of aluminum alloys typically encountered during machining operations. It is important to ensure that all tools are sharpened properly before beginning work on this type of material, as dull tools will cause excessive wear on the cutting edges, which could lead to poor surface finish or dimensional accuracy issues when finished products are produced from machined components made from this alloy type.


When welding with this type of aluminium alloy, special precautions must be taken due to its higher hardness than other types of aluminum alloys typically encountered during welding operations. Preheating prior to welding should always be done in order to reduce stresses caused by temperature gradients between cold areas (welds)and hot areas (base metal). In addition, a filler metal specifically designed for this particular type of material will help ensure optimal weld integrity and strength once completed.


All in all, aluminum5 252 is a very versatile material that has a wide range of uses due to its superior strength and corrosion-resistant properties, as well as excellent heat resistance capabilities, which make it well suited for high-temperature environments where traditional materials would fail under similar conditions. Its easy machinability also makes this material ideal for anyone looking for an easy-to-work-with alloy that offers superior performance characteristics compared with other more common types available today. With proper care taken during manufacturing processes such as heating, machining, and welding, aluminum5 252 can provide reliable service life even under extreme usage conditions. For website owners and SEO newbies who need an incredibly durable yet still malleable material, aluminum5 252 may just be exactly what you’re looking for!

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