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Aluminum 2014 Flanges – Composition, Properties, and Uses

Aluminum 2014 Flanges

Aluminum 2014 is one of the popular alloys used in the production of flanges worldwide. This alloy comprises a combination of aluminum, copper, magnesium, and silicon, which results in specific physical and mechanical properties that make it ideal for different applications. In this blog, we will take a closer look at the composition and properties of aluminum 2014 flanges and their heat treatment, corrosion resistance, and uses.

What is Aluminum 2014 Flanges?

AL 2014 Flanges are specialized flanges made from aluminum alloy designed to be lightweight and durable for various applications. They can withstand high temperatures, making them suitable for industrial settings such as the automotive, manufacturing and aerospace industries.

Aluminum 2014 Flanges Composition

2014 Aluminum consists of 4.4%-5.2% copper, 0.5%-1.2% magnesium, 0.4%-1.0% silicon, and the remaining percentage is aluminum. Adding copper to aluminum 2014 increases its strength and hardness, while magnesium improves its toughness and corrosion resistance. On the other hand, silicon enhances the alloy’s fluidity and casting properties. Combining these elements results in an alloy with good machinability and workability.

Element Content (%)
Aluminium / Aluminum, Al 93.5
Copper, Cu 4.4
Silicon, Si 0.8
Magnesium, Mg 0.5
Cromium, Cr 0.1 (Max)
Manganese, Mn 0.6

Aluminum 2014 Flanges Physical Properties

2014 Flanges has a density of 2.78 g/cm³, a melting point of 535°C, and a thermal conductivity of 121-138 W/mK. This alloy has excellent electrical conductivity, making it ideal for electrical applications. It is also non-magnetic, making it suitable for environments with magnetic-sensitive equipment.

Properties Metric Imperial
Density 2.78 g/cm3 0.1018 lb/in3
Melting point 535°C 950°F

Aluminum 2014 Flanges Mechanical Properties

The mechanical properties of aluminum 2014 depend on the heat treatment process. The alloy has a minimum tensile strength of 483 MPa and a minimum yield strength of 290 MPa. The typical elongation of this alloy is at 12%. Aluminum 2014 flanges are known for their high strength and resistance to fatigue. It has good machinability and weldability properties.

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

Aluminum 2014 Flanges Equivalent

ASTM BB241 DIN 3.1255 MIL T-15089 QQ A-200/2 QQ A-225/4
QQ A-250/4 QQ A-367 SAE J454

Aluminum 2014 Flanges Heat Treatment

The heat treatment process is a crucial aspect of 2014 Al flange production, as it can significantly affect the alloy’s mechanical properties. The T6 temper is the most commonly used heat treatment for this alloy. The process involves solution heat treatment, quenching, and aging. This treatment results in increased strength and hardness properties.

Aluminum 2014 Flanges Corrosion Resistance

Aluminum alloy 2014 flanges have good corrosion resistance properties, making them suitable for various applications. Adding magnesium to the alloy protects against corrosion, even in harsh environments. Other factors to consider include the type of environment where the flange will operate and the surface finishing applied to it.

Aluminum 2014 Flanges Uses

Aluminum 2014 flanges have widespread applications in the aerospace industry, where they are used in producing aircraft and aircraft parts. The alloys’ high strength and fatigue resistance make them suitable for critical components of an aircraft, such as wing structures, landing gear, and fuselage frames. This alloy is also used in manufacturing transportation equipment, electrical parts, and marine equipment.



Aluminum 2014 is an essential alloy used in the production of flanges worldwide. Its unique combination of elements results in good mechanical and physical properties, including excellent corrosion resistance and machinability. The heat treatment process plays a significant role in improving these properties. The high strength and resistance to fatigue make aluminum 2014 flanges ideal for several applications, particularly in the aerospace industry. With this knowledge, it’s easier to choose the best flange type for your specific application.

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