ThePipingMart Blog Grades Aluminium Alloy 5652 (UNS A95652) – Composition, Properties and Uses

Aluminium Alloy 5652 (UNS A95652) – Composition, Properties and Uses

Aluminium 5652

Aluminium 5652 is an alloy that consists of roughly 3.2% magnesium and 0.1% manganese. It is a medium-strength wrought aluminum alloy with good corrosion resistance and excellent weldability. It has been traditionally used in applications such as marine, automotive, aircraft, and construction industries. Let’s take a closer look at the properties of this aluminum alloy 5652 and its uses.


Alloy 5652 consists primarily of aluminum (97-98%), with magnesium (3-3.5%) and manganese (0-0.2%) as the main alloying elements. It also contains trace amounts of iron, silicon, copper, chromium, zinc, titanium, and other elements in smaller quantities.

Element Content (%)
Aluminum, Al 97.2
Magnesium, Mg 2.5
Chromium, Cr 0.25

Mechanical Properties

The mechanical properties of Grade 5652 depend on tempering conditions such as temperature and time used for heat treatment. Under annealed conditions (T4), it has a minimum ultimate tensile strength of 275 MPa (40 ksi), yield strength of 205 MPa (30 ksi), minimum elongation at break of 18%, fatigue strength at 1 x 10^6 cycles is 40 MPa (6 ksi)and shear modulus of 33 GPa (4.8 x 10^6 psi). Under cold worked conditions (T8), it has a minimum ultimate tensile strength of 310 MPa (45 ksi), yield strength of 250 MPa (36 ksi), minimum elongation at break of 16%, fatigue strength at 1 x 10^6 cycles 45 MPa (7 ksi)and shear modulus of 36 GPa(5.3 x 10^6 psi).

Properties Metric Imperial
Tensile strength 290 MPa 42000 psi
Yield strength 255 MPa 37000 psi
Elongation at break (@thickness 1.59 mm/ 0.0625 in) 7% 7%
Elastic modulus 70.3 GPa 10200 ksi
Shear modulus 25.9 GPa 3760 ksi
Poisson’s ratio 0.33 0.33
Hardness, Brinell 77 77
Hardness, Knoop 100 100
Hardness, Vickers 87 87

Physical Properties

Al 5652 has a density of 2.7 g/cm3 or 169 lb/ft3 which is slightly lower than pure aluminum but higher than most other alloys due to its high magnesium content. Its electrical conductivity ranges between 28-30% IACS while thermal conductivity ranges between 138-142 W/mK(92–98 BTU in/hr ft² °F).

Properties Metric Imperial
Density 2.67 g/cm³ 0.0965 lb/in³
Melting point 607- 649 °C 1125 – 1200°F

Thermal Properties

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 22 µm/m°C 12.2 µin/in°F
Thermal conductivity 138 W/mK 960 BTU in/hr.ft².°F

Uses & Corrosion Resistance

The primary use for Aluminum 5652 is in structural components such as hulls and decks for boats, airframes for aircraft, ladders or stairs for buildings or bridges etc., due to its excellent welding characteristics, corrosion resistance properties and good formability properties. Aluminum 5652 offers moderate to good corrosion resistance depending on environmental conditions such as the presence of chloride ions or atmospheric pollution levels etc., making it suitable for both indoor and outdoor applications in locations where natural elements like moisture could be present. Its corrosion resistance can be further enhanced by applying protective coatings like anodizing or painting on the surface.

Heat Treatment

Aluminium 5652 is used in many different industries and projects, primarily due to its malleability and durability. To ensure a project has the desired level of performance, you must ensure that the right heat treatment is applied to the aluminium alloy. Heat treating 5652 aluminum includes annealing, ageing and solution heat treatments which are specifically customized based on the end-use of the product. During these processes, the aluminum alloy alters its metallurgical structure and chemistry, resulting in improved strength, durability and ductility. With proper heat treatment, 5652 aluminium can be used for multiple applications, including aerospace components and marine motors.


Aluminium 5652 machining is commonly used in a variety of engineering applications due to its exceptional properties, including the ability to withstand extreme temperatures and high levels of corrosion resistance. This makes it incredibly resilient in demanding circumstances, such as automotive and aeronautics components. When machined correctly, Aluminum 5652 can be extremely precise and reliable – essential for many critical types of machinery which cannot fail in general operation. The process itself involves intricate interaction between cutting tools and the material being worked on, a combination that requires experienced skill and strong knowledge of the correct operating procedures. Therefore, healthcare should always be taken when attempting to machine Aluminum 5652 for maximum efficiency and safety.


Aluminium 5652 welding is a process that is becoming more and more popular amongst tradespeople, given the material’s incredible strength, malleability and low weight. The combination of all three of these qualities makes it an ideal option for many different welding projects, from small maintenance jobs to large industrial repairs. The process itself can be tricky and requires a very experienced welder – it’s important to use the correct techniques as well as the appropriate protective gear when taking on such projects. Although challenging, if done correctly, aluminum 5652 welding can provide strong results and significant enhancement of the durability of whatever material is being welded!


In conclusion, Aluminium 5652 is a widely used wrought aluminium alloy thanks to its combination properties, including low weight, high strength, good formability, excellent weldability, moderate to good corrosion resistance, heat treatment capability, machinability and economical cost. The primary end uses are structural components in marine, automotive, aircraft, building construction etc., making it one the most sought-after materials amongst manufacturers seeking lightweight yet durable alternatives during the production process. With more research being done into new ways to further enhance its already impressive portfolio – aluminum 5652 promises to be one material that won’t be going out of fashion anytime soon! Intended Audience: Manufacturers looking for lightweight yet durable materials for the production process.

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