Brass | Definition, Properties, & Facts | Britannica
2024年11月20日 · brass, alloy of copper and zinc, of historical and enduring importance because of its hardness and workability.The earliest brass, called calamine brass, dates to Neolithic times; it was probably made by reduction of mixtures of zinc ores and copper ores.In ancient documents, such as the Bible, the term brass is often used to denote bronze, the alloy of copper with tin.
What Is Brass? Composition and Properties - ThoughtCo
2024年9月14日 · Identifying Brass Composition by Name . Common names for brass alloys may be misleading, so the Unified Numbering System for metals and alloys is the best way to know the composition of the metal and predict its applications. The letter C indicates brass is a copper alloy. The letter is followed by five digits. Wrought brasses—which are suitable for mechanical forming—begin with 1 through 7.
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