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gunmetal |
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gunmetal, a bronze bronze, in metallurgy, alloy of copper, tin, zinc, phosphorus, and sometimes small amounts of other elements. Bronzes are harder than brasses . Most are produced by melting the copper and adding the desired amounts of tin, zinc, and other substances. ..... Click the link for more information. , an alloy of copper, tin, and a small amount of zinc. Although originally used extensively for making guns (from which it received its name), it has been superseded by steel, and it is now chiefly employed in casting machine parts. The so-called 88–10–2 (copper-tin-zinc) alloy is the "government bronze," composed of 88% copper, 10% tin, and 2% zinc. The percentages of the three elements are varied slightly in gunmetals produced for different purposes. The metal commonly called gunmetal today is very often steel treated to simulate the bronze alloy. In other cases, copper and tin are used alone; in still others, copper, tin, and lead are used. gunmetal 1. a type of bronze containing copper (88 per cent), tin (8--10 per cent), and zinc (2--4 per cent): used for parts that are subject to wear or to corrosion, esp by sea water 2. any of various dark grey metals used for toys, belt buckles, etc. 3. a dark grey colour with a purplish or bluish tinge How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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460" bore, nickel silver trim, a red brass lead pipe and a pin-style third slide stop. To make its product, Federal Metal relies on the nonferrous scrap stream--buying a full range of copper-based scrap, such as radiators, red brass, No. EnviroBrass I and II (C89510 and C89520) were developed to replace C83600 leaded red brass and C84400 semi-red brass. |
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