Aluminium is one of the most common metals in the world. It is light, strong and versatile. It can be found in everything from airplanes to frying pans. There are several different types of aluminium alloys, each with different properties. The most common ones are Aluminium 1100, Aluminium 3003 and Aluminium 6061. Aluminium 1100 is used for anything where weight reduction is important such as aircrafts and satellites. Aluminium 3003 is commonly used for hoods on vehicles while Aluminium 6061 is used for motorcycle frames, bicycle frames and boat parts due to its strength.