2014A T351 aluminum alloy is a wrought alloy belonging to the Al-Cu (Aluminum-Copper) series, developed for applications requiring high strength. The T351 temper involves solution heat treatment, stress relief, and natural aging. This process provides the alloy with high tensile strength and good fatigue resistance. Due to its mechanical properties, it is widely used in aerospace, defense industries, and heavily loaded mechanical components.

One of the most notable characteristics of this alloy is its high mechanical strength. 2014A-T351 offers strength values close to the 2024 alloy at room temperature, while in some conditions it shows significantly higher strength than the 6061 alloy. However, the 7075 alloy generally reaches higher absolute strength levels. Therefore, 2014A is considered an alloy that provides a balanced combination of strength and machinability.

In terms of machinability, 2014A-T351 performs very well. Thanks to its copper content, it provides stable cutting behavior during machining, which makes it suitable for complex machine parts, fasteners, and aircraft structural components. Its bending and forming properties can be somewhat more limited compared to high-strength alloys such as 2024 or 7075, but adequate formability can still be achieved under suitable processing conditions.

The corrosion resistance of this alloy is moderate due to its copper content and is often improved through surface coatings or anodizing. In this regard, 2014A shows lower corrosion resistance compared to the highly corrosion-resistant 6061 alloy. Therefore, coating, painting, or protective surface treatments are commonly applied in aerospace applications. The alloy has good coatability and its surface durability can be enhanced through anodizing and hard-coating processes.

Regarding vibration and fatigue behavior, 2014A-T351 is a reliable alloy. Its high static strength allows stable performance under dynamic loads. However, its weldability is limited, and in most applications riveting or mechanical fastening methods are preferred instead of welding. Because of these characteristics, the 2014A alloy is widely used in aircraft structural parts, landing gear components, heavy-duty machinery parts, and automotive performance components.

Choosing Factors for 2014A T351

Some Well-Known Applications for 2014A T351
In the automotive industry and defense industry,
In military vehicles and hydraulic applications,
It is also used in the automotive industry and as aircraft construction material.

• Plate/Sheet
• Rod / Round Bar / Flat Bar
• Tube/Profile