The 2014 T651 aluminum alloy is a material known for its high strength and good machinability, making it commonly used in aerospace, automotive, and structural applications. Its copper content provides significant durability, making it suitable for load-bearing components. The alloy is suitable for anodizing, which allows for surface protection and enhanced corrosion resistance; however, its natural corrosion resistance is limited due to the copper content, necessitating additional protection in aggressive environments such as seawater. In terms of weldability, the 2014 T651 aluminum alloy exhibits limited performance, leading to a preference for mechanical fastening methods for assembly. It also demonstrates excellent formability, allowing for the creation of complex shapes. Additionally, its durability in high-vibration environments offers a significant advantage in automotive and aerospace applications. While the corrosion resistance is generally good, protection is required in aggressive conditions. The advantages of the 2014 T651 aluminum alloy include high strength, good machinability, and formability, whereas its drawbacks involve limited corrosion resistance and low weldability.