Gilding metal (original) (raw)
Gilding metal is a form of brass (an alloy of copper and zinc) with a much higher copper content than zinc content. Exact figures range from 95% copper and 5% zinc to “8 parts copper to 1 of zinc” (11% zinc) in British Army Dress Regulations. Gilding metal was also used for the "bronze" Olympic medal at the 2020 Summer Olympics held in Tokyo, Japan in 2021. Gilding metal may be annealed by heating to between 800–1,450 °F (427–788 °C). It should be cooled slowly afterwards, to reduce risk of cracking.
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| dbo:abstract | Gilding metal is a form of brass (an alloy of copper and zinc) with a much higher copper content than zinc content. Exact figures range from 95% copper and 5% zinc to “8 parts copper to 1 of zinc” (11% zinc) in British Army Dress Regulations. Gilding metal is used for various purposes, including the jackets of bullets, driving bands on some artillery shells, as well as enameled badges and other jewellery. The sheet is widely used for craft metalworking by hammer working. It is also used particularly as a lower-cost training material for silversmiths. Starting in 1944, shell casings made of gilding metal were melted down by the United States Mint to be made into pennies. These pennies replaced the less popular steel cent of 1943, and the pennies of this composition were produced until 1946. Gilding metal was also used for the "bronze" Olympic medal at the 2020 Summer Olympics held in Tokyo, Japan in 2021. Gilding metal may be annealed by heating to between 800–1,450 °F (427–788 °C). It should be cooled slowly afterwards, to reduce risk of cracking. (en) Le laiton rouge est un alliage de cuivre, un laiton comprenant 95 % de cuivre et 5 % de zinc. Le laiton rouge est utilisé pour de multiples usages, dont les chemisages de balles, les ceintures de guidage de certains obus d'artillerie, ainsi que des badges émaillés et autres bijoux. En feuille, il est largement utilisé par la métallurgie artisanale grâce au martelage. Il est également utilisé en particulier comme un matériau de formation à moindre coût pour les orfèvres. Le laiton rouge peut être recuit par chauffage entre 427 °C et 788 °C. Il doit être refroidi lentement après, pour réduire les risques de fissuration. (fr) Metal dourado é a designação de uma forma de latão (uma liga de cobre e zinco) com um teor de cobre muito maior do que o de zinco. Os valores exatos variam de 95% de cobre e 5% de zinco a "8 partes de cobre para 1 de zinco" (11% de zinco) nos Regulamentos de vestimenta do Exército Britânico. O metal dourado é usado para vários fins, incluindo jaquetas de balas, bandas de condução em alguns projéteis de artilharia, bem como emblemas esmaltados e outras joias. Folhas de metal dourado são amplamente utilizadas para trabalhos artesanais em metal com martelo. Também é usado principalmente como material de treinamento de baixo custo para ourives. A partir de 1944, estojos de cartuchos feitos de metal dourado foram derretidos pela Casa da Moeda dos Estados Unidos para serem transformados em moedas de um centavo. Esses centavos substituíram os centavos de aço menos populares de 1943, e os centavos dessa composição foram produzidos até 1946. O metal dourado também foi usado para a medalha olímpica de "bronze" nos Jogos Olímpicos de Verão de 2020, realizados em Tóquio, Japão, em 2021. O metal dourado pode ser recozido por aquecimento entre 800-1.450 °F (427-788 °C). Em seguida, deve ser resfriado lentamente, para reduzir o risco de rachaduras. (pt) |
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| rdfs:comment | Gilding metal is a form of brass (an alloy of copper and zinc) with a much higher copper content than zinc content. Exact figures range from 95% copper and 5% zinc to “8 parts copper to 1 of zinc” (11% zinc) in British Army Dress Regulations. Gilding metal was also used for the "bronze" Olympic medal at the 2020 Summer Olympics held in Tokyo, Japan in 2021. Gilding metal may be annealed by heating to between 800–1,450 °F (427–788 °C). It should be cooled slowly afterwards, to reduce risk of cracking. (en) Le laiton rouge est un alliage de cuivre, un laiton comprenant 95 % de cuivre et 5 % de zinc. Le laiton rouge est utilisé pour de multiples usages, dont les chemisages de balles, les ceintures de guidage de certains obus d'artillerie, ainsi que des badges émaillés et autres bijoux. En feuille, il est largement utilisé par la métallurgie artisanale grâce au martelage. Il est également utilisé en particulier comme un matériau de formation à moindre coût pour les orfèvres. (fr) Metal dourado é a designação de uma forma de latão (uma liga de cobre e zinco) com um teor de cobre muito maior do que o de zinco. Os valores exatos variam de 95% de cobre e 5% de zinco a "8 partes de cobre para 1 de zinco" (11% de zinco) nos Regulamentos de vestimenta do Exército Britânico. A partir de 1944, estojos de cartuchos feitos de metal dourado foram derretidos pela Casa da Moeda dos Estados Unidos para serem transformados em moedas de um centavo. Esses centavos substituíram os centavos de aço menos populares de 1943, e os centavos dessa composição foram produzidos até 1946. (pt) |
| rdfs:label | Gilding metal (en) Laiton rouge (fr) Metal dourado (pt) |
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