A copper-zinc alloy that is particularly suitable as a material for a horseshoe includes at least the following components, in percent by weight: 59-73% of copper, 2.7-8.5% of manganese, 1.5-6.3% of aluminum, 0.2-4% of silicon, 0.2-3% of iron, 0-2% of lead, 0-2% of nickel, 0-0.4% of tin, balance zinc and unavoidable impurities.