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  2. Brass - Wikipedia

    en.wikipedia.org/wiki/Brass

    Islamic Golden Age brass astrolabe Brass lectern with an eagle. Attributed to Aert van Tricht, Limburg (Netherlands), c. 1500.. Brass is an alloy of copper and zinc, in proportions which can be varied to achieve different colours and mechanical, electrical, acoustic and chemical properties, [1] but copper typically has the larger proportion, generally 2 ⁄ 3 copper and 1 ⁄ 3 zinc.

  3. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    This is a list of named alloys grouped alphabetically by the metal with the highest percentage. Within these headings, the alloys are also grouped alphabetically. Some of the main alloying elements are optionally listed after the alloy names.

  4. Alloy - Wikipedia

    en.wikipedia.org/wiki/Alloy

    An alloy is a mixture of chemical elements, which forms an impure substance (admixture) that retains the characteristics of a metal. An alloy is distinct from an impure metal in that, with an alloy, the added elements are well controlled to produce desirable properties, while impure metals such as wrought iron are less controlled, but are often ...

  5. List of copper alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_alloys

    Copper alloys are metal alloys that have copper as their principal component. They have high resistance against corrosion . Of the large number of different types, the best known traditional types are bronze , where tin is a significant addition, and brass , using zinc instead.

  6. List of brazing alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_brazing_alloys

    For copper, copper alloys, brass, bronze. Primarily for copper-to-copper. Can be used also on silver, tungsten and molybdenum. Low vibration resistance. Light copper color. Maximum service temperature 149 °C (intermittently 204 °C). 91.5: 2: 6.5: Cu 91.7 Ag 1.5 P 6.8: Cu–Ag–P 643/799 [23] – Silvalite. For copper, brass and bronze. Self ...

  7. Metals of antiquity - Wikipedia

    en.wikipedia.org/wiki/Metals_of_antiquity

    German amulet to protect against disease (18th century); it is made from an alloy of the seven alchemical metals: lead, tin, iron, gold, copper, mercury and silver. Metal production in the ancient Middle East. The metals of antiquity are the seven metals which humans had identified and found use for in prehistoric times in Africa, Europe and ...

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