铝合金 Traditional form: 鋁合金 Pinyin (reading): lühéjīn Definitions: aluminum alloy Characters: 铝 - aluminum 合 - to combine, to join, to unite; to gather 金 - gold, metal; money Traditional characters: 鋁 - aluminum 合 - to combine, to join, to unite; to gather 金 - gold, metal; money