What metals were used for pennies made prior to 1982?

Large cents (to 1857) - 100% copper

Flying Eagle and early Indian cents (1856-1864) - 88% copper, 12% nickel

Indian and Lincoln cents (1864-1942 and 1944-mid 1982) - 95% copper, 5% tin/zinc

Lincoln cents (1943) - steel coated with zinc