Nickels have always been made of a copper-nickel alloy. The current composition is 75% copper, 25% nickel.
Actually, nickels are still made out of some nickel; they are 75% copper and 25% nickel. During WWII, nickels were made of 56% copper, 35% silver and 9% manganese; so no nickel at all. But most present-day nickels do contain nickel as do a number of other types of coins.
Except for a brief period from mid-1942 to 1945, nickels have always been made (at least partially) from nickel. During World War II, the composition of the nickel was changed as a means of rationing useful metals, and nickels were made out of 56% copper, 35% silver and 9% manganese. These coins weren’t very popular, however, because they tarnished easily and soon looked pretty ugly. Today, the nickel is made from 25% Cupro-Nickel, a copper alloy with nickel, iron, manganese and other strengthening elements added.
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