A beverage can is a tin can

Tin can

A tin can, tin , steel can, or a can, is a sealed container for the distribution or storage of goods, composed of thin metal. Many cans require opening by cutting the "end" open; others have removable covers. Cans hold diverse contents: foods, beverages, oil, chemicals, etc."Tin" cans are made...

 designed to hold a specific portion of a beverage. Beverage cans are made of tin-plated steel or aluminium

Aluminium

Aluminium or aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances....

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There were once cans in the United States called cone tops and crowntainers which had tops that were conical, rather than flat. Cone top cans were sealed by the same caps that were put on bottles. There were three types of conetops: high profile, low profile, and j-spout.