Aluminum alloys are among the most versatile and essential metallic lightweight materials. Known for their ease of processing, recyclability, and abundance, they are a cornerstone in modern manufacturing. The unique characteristics of aluminum alloys primarily depend on factors like formability, strength, corrosion resistance, and weldability. These properties are influenced by various alloying elements, including silicon, magnesium, manganese, copper, and zinc. For example, these elements enhance strength or boost corrosion resistance through a mechanism called solid solution strengthening. Additionally, specialized elements such as bismuth or lead are added to improve chip formation during machining processes like milling, drilling, and turning, while silver is included to prevent sparking during operations. This combination of elements allows for tailored solutions that meet a wide range of industrial needs.