Over 9.628 billion drinks cans are manufactured in the UK each year, and 60 billion in total throughout Europe. They are made from either aluminium or steel using advanced engineering and sophisticated technology.
The aluminium is alloyed with manganese and magnesium to give greater strength and ductility. Aluminium alloys of different strengths and thickness are used for making the can body and the end.
For steel drink cans, a special grade of low-carbon steel is used, which is coated on each side with a very thin layer of tin. The tin protects the surface against corrosion and acts as a lubricant while the can is being formed.
Manufacturing cans is a high precision process and this is illustrated in the video below.
How Cans Are Made: