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铜合金是以铜为主的合金，它们能有效地抵抗腐蚀。最多人知道的种类是青铜（铜为主要，锡为次要）和黄铜（铜为主要，锌为次要）。在古代欧洲“青铜”和“黄铜”术语常混用，现在在欧洲（尤其是博物馆[1]）被“铜合金”取代。
黄铜是铜和锌的合金。黄铜通常是黄色的。锌含量一般在很少到40%之间，保持在15%左右。它并没有显着降低铜的耐腐蚀性。
- 铜包钢
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