What is the main advantage of using aluminium alloys?

The main advantage of using aluminium alloys is their low density. Aluminium is known for being lightweight, which makes it highly desirable in various applications, particularly in the aerospace and automotive industries where reducing weight can significantly enhance fuel efficiency and overall performance.

While aluminium itself is strong and can be alloyed with other metals to enhance its strength further, the specific benefit of low density is crucial for applications where the weight of materials directly impacts design and efficiency.

Other benefits of aluminium alloys, such as strength, corrosion resistance, and electrical conductivity, are also important but secondary to the fundamental characteristic of low density that distinguishes them from heavier metals. Low density not only contributes to the performance of products made from these materials but also allows for easier handling and manufacturing processes.