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  2. Metal casting - Wikipedia

    en.wikipedia.org/wiki/Metal_casting

    Molten metal before casting Casting iron in a sand mold. In metalworking and jewelry making, casting is a process in which a liquid metal is delivered into a mold (usually by a crucible) that contains a negative impression (i.e., a three-dimensional negative image) of the intended shape.

  3. Continuous casting - Wikipedia

    en.wikipedia.org/wiki/Continuous_casting

    Within the twin-belt continuous casting machine, molten metal progressively solidifies on the mold surfaces as it moves through the mold region, with a sump of molten metal present between the solidifying outer surfaces. Belt coatings, texture, and gas layer modifications are used to fine tune the heat transfer rate from the cast metal to the belt.

  4. Neenah Foundry - Wikipedia

    en.wikipedia.org/wiki/Neenah_Foundry

    Cast metal storm drain grate with Neenah Foundry marking. Neenah Foundry is a manufacturing company in the north central United States, based in Neenah, Wisconsin.The company manufactures cast iron manhole covers, gratings, and similar items for municipal and construction applications.

  5. Conversion coating - Wikipedia

    en.wikipedia.org/wiki/Conversion_coating

    A conversion coating is a chemical or electro-chemical treatment applied to manufactured parts that superficially converts the material into a thin adhering coating of an insoluble compound. These coatings are commonly applied to protect the part against corrosion , to improve the adherence of other coatings, for lubrication , or for aesthetic ...

  6. Ferrous metallurgy - Wikipedia

    en.wikipedia.org/wiki/Ferrous_metallurgy

    Cast iron development lagged in Europe because wrought iron was the desired product and the intermediate step of producing cast iron involved an expensive blast furnace and further refining of pig iron to cast iron, which then required a labor and capital intensive conversion to wrought iron.

  7. Britannia metal - Wikipedia

    en.wikipedia.org/wiki/Britannia_metal

    Britannia metal (also called britannium, Britannia ware, [1] or Vickers White Metal [2]) is a specific type of pewter alloy, favoured for its silvery appearance and smooth surface. The composition by weight is typically about 92–93% tin , 5–6% antimony , and 2% copper .

  8. Aluminum piano plate - Wikipedia

    en.wikipedia.org/wiki/Aluminum_piano_plate

    A piano with an aluminum piano plate, called the Alumatone plate, was announced in 1945 by Winter and Company, piano manufacturers, and Alcoa, a manufacturer of aluminum and aluminum products. [1] The metal frame of a piano, often called the plate or harp , anchors both ends of the strings, withstanding a tension of 20 tons or more.

  9. Puddling (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Puddling_(metallurgy)

    The pig iron was melted in this and run out into a trough. The slag separated, and floated on the molten iron, and was removed by lowering a dam at the end of the trough. The effect of this process was to desiliconise the metal, leaving a white brittle metal, known as 'finers metal'. This was the ideal material to charge to the puddling furnace.

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