ThePipingMart Blog Grades Aluminum 5356 Alloy (UNS A95356) – Properties, Composition and Uses

Aluminum 5356 Alloy (UNS A95356) – Properties, Composition and Uses

Aluminium 5356

Aluminum 5356 alloy, also known as UNS A95356, is a versatile material with various applications in different industries. This aluminum alloy contains magnesium, which provides excellent strength and corrosion resistance, making it an ideal material for welding and marine applications. Due to its high toughness and ductility, aluminum 5356 is also used to manufacture bicycle frames, electrical conductors, and automotive components. In addition, this alloy offers good machinability and can be easily formed into complex shapes. Its outstanding properties make Aluminum 5356 Alloy a top choice for many applications. Aluminum 5356 is an aluminum alloy that is used in a wide variety of applications. UNS A95356 is particularly well-suited for welding and heat treatment, making it a popular choice for many industries. In this article, we’ll take a look at the various uses of 5356 aluminum and its advantages.

What Forms of 5356 Aluminum is Available at Piping Mart?

  • Nut
  • Bar
  • Bolt
  • Pipe
  • Screw
  • Tubing
  • Valves
  • Washers
  • Flanges
  • Fasteners
  • Electrodes
  • Stud Bolts
  • Sheet Plates
  • Pipe Fittings
  • Forged Fitting
  • Instrumentation Fittings

5356 Aluminum Composition

Element Content (%)
Aluminum, Al 92.9-95.3
Magnesium, Mg 4.50-5.50
Iron, Fe 0.40
Silicon, Si 0.25
Copper, Cu 0.10
Zinc, Zn 0.10
Titanium, Ti 0.060-0.20
Chromium, Cr 0.050-0.20
Manganese, Mn 0.050-0.20
Beryllium, Be 0.000800
Other, total 0.15
Other, each 0.050

5356 Aluminum Physical Properties

Properties Metric Imperial
Density 2.64 g/ cm3 0.0954 lb/in³

5356 Aluminum Mechanical Properties

Properties Metric Imperial
Shear modulus (estimated from similar Al alloys) 26.0 GPa 3770 ksi
Elastic modulus 70-80 Gpa 10152-11603 ksi
Poisson’s ratio 0.33 0.33

5356 Aluminum Thermal Properties

Properties Conditions
T (ºC) Treatment
Thermal conductivity 116 (W/mK) 25 O

5356 Aluminum Equivalents

  • ASME SFA5.10 (ER5356)
  • AWS A5.10 (ER5356)
  • MIL S-24149/2

5356 Aluminum Uses

5356 aluminum is an extraordinarily versatile alloy with a wide range of uses. Commonly used in marine, automotive, and aerospace applications, it has also found its way into many industrial and commercial applications such as hand rails and other structural components, as well as fencing for agricultural or manufacturing purposes. 5356 aluminum is an excellent choice for projects involving elevated temperatures or high weldability needs due to its ability to resist stress corrosion cracking. With strength and flexibility that have exceeded expectations, this alloy continues to be popular and highly sought after by businesses offering welding services. Extremely versatile and possessing exceptional mechanical properties, this alloy is sure to remain in demand user for a long time.

5356 Aluminum Uses in Industries

Aerospace Industry

5356 aluminum is commonly used in the aerospace industry due to its high strength-to-weight ratio and resistance to corrosion.
It is used to construct aircraft structures, such as wing fuselages and engine components.

Marine Industry

Due to its corrosion resistance, 5356 aluminum is also widely used in the marine industry for boat building and other applications.
It is often used for hulls, decks, and other structural components.

Automotive Industry

5356 aluminum is used to produce automotive parts due to its lightweight nature and ability to withstand high temperatures.
It can be found in car frames, engine components, and wheels.

Construction Industry

In the construction industry, 5356 aluminum is commonly used for roofing, siding, and window frames due to its durability and resistance to corrosion. It is also used for structural elements such as beams and columns.

Electrical Industry

The electrical industry utilizes 5356 aluminum for its excellent conductivity properties.
It can be found in wiring, power lines, and electrical equipment such as transformers and motors.

5356 Aluminum Corrosion Resistance

Aluminium 5356 has excellent corrosion resistance properties, making it ideal for applications that require exposure to the elements, such as marine environments and chemical processing. The alloy’s corrosion resistance also makes it suitable for food processing and medical equipment use.

5356 Aluminum Heat Resistance

aluminum 5356 can withstand temperatures up to 500°F (260°C) without significant degradation or loss of strength. This makes it an excellent choice for applications that require exposure to high temperatures, such as aerospace components or automotive parts.

5356 Aluminum Heat Treatment

Aluminium 5356 can be heat treated to increase its strength and hardness while maintaining its ductility. Heat treating can also improve its machinability, making it easier to work with when fabricating parts or components.

5356 Aluminum Machining

Aluminium 5356 is relatively easy to machine using conventional methods such as turning, milling, drilling and tapping. When machining the alloy, it is important to use cutting fluids or lubricants to reduce friction and prevent tool wear. It is also important to maintain stable feeds and speeds during machining operations in order to achieve the desired results with minimal effort.

5356 Aluminum Welding

aluminum 5356 has good weldability properties and can be welded using methods such as TIG (Tungsten Inert Gas) welding or MIG (Metal Inert Gas) welding. When welding the alloy, it is important to use filler materials specifically designed for aluminium alloys in order to achieve strong joints with minimal porosity or other defects. Additionally, preheating before welding may be necessary in order to reduce warping during cooling after welding operations have been completed.


Aluminium 5356 is an incredibly versatile alloy that offers numerous benefits over other types of aluminum alloys due to its excellent corrosion resistance, heat resistance, heat treatability, machinability and weldability properties. Its suitability for a wide range of applications makes it one of the most popular aluminium alloys on the market today – so if you’re looking for an aluminium alloy that will meet your needs without breaking your budget, consider giving Aluminium 5356 a try!

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