What is the main advantage of using aluminium alloys?

The main advantage of using aluminium alloys is their low density. This characteristic makes them particularly beneficial in applications where weight is a critical factor, such as in the aerospace and automotive industries. The lightweight nature of aluminium alloys allows for increased fuel efficiency and easier handling without sacrificing strength.

While aluminium alloys also exhibit high strength, corrosion resistance, and can be cost-effective in certain applications, it is their low density that significantly contributes to their widespread use in areas where minimizing weight is crucial.