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  2. Copper - Wikipedia

    en.wikipedia.org/wiki/Copper

    Copper is one of the most important constituents of silver and karat gold solders used in the jewelry industry, modifying the color, hardness and melting point of the resulting alloys. [57] Some lead-free solders consist of tin alloyed with a small proportion of copper and other metals.

  3. Melting points of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Melting_points_of_the...

    The Gmelin rare earths handbook lists 1522 °C and 1550 °C as two melting points given in the ... 1895). "Melting Points of Aluminum, Silver, Gold, Copper, and ...

  4. Melting point - Wikipedia

    en.wikipedia.org/wiki/Melting_point

    For example, the melting point of silicon at ambient pressure (0.1 MPa) is 1415 °C, but at pressures in excess of 10 GPa it decreases to 1000 °C. [13] Melting points are often used to characterize organic and inorganic compounds and to ascertain their purity. The melting point of a pure substance is always higher and has a smaller range than ...

  5. Liquidus and solidus - Wikipedia

    en.wikipedia.org/wiki/Liquidus_and_solidus

    For pure elements or compounds, e.g. pure copper, pure water, etc. the liquidus and solidus are at the same temperature, and the term melting point may be used. There are also some mixtures which melt at a particular temperature, known as congruent melting. One example is eutectic mixture. In a eutectic system, there is particular mixing ratio ...

  6. Beryllium copper - Wikipedia

    en.wikipedia.org/wiki/Beryllium_copper

    It has a solid melting point of 1590 °F (866 °C) and a liquid melting point of 1800 °F (982 °C). It has a high capacity for being hot-formed. C17200 beryllium copper alloy has strength and hardness similar to that of steel; Rockwell hardness properties in its peaked age condition [further explanation needed] are in the range of 200 ksi and ...

  7. Metals of antiquity - Wikipedia

    en.wikipedia.org/wiki/Metals_of_antiquity

    The metals of antiquity generally have low melting points, with iron being the exception. Mercury melts at −38.829 °C (−37.89 °F) [21] (being liquid at room temperature). Tin melts at 231 °C (449 °F) [21] Lead melts at 327 °C (621 °F) [21] Silver at 961 °C (1763 °F) [21] Gold at 1064 °C (1947 °F) [21] Copper at 1084 °C (1984 °F ...

  8. Pewter - Wikipedia

    en.wikipedia.org/wiki/Pewter

    Pewter has a low melting point, around 170–230 °C ... Singapore, and Thailand, contains a higher percentage of tin, usually 97.5% tin, 1% copper, and 1.5% antimony ...

  9. Copper (I) oxide - Wikipedia

    en.wikipedia.org/wiki/Copper(I)_oxide

    Melting point: 1,232 °C (2,250 °F; 1,505 K) Boiling point: ... Copper(I) oxide or cuprous oxide is the inorganic compound with the formula Cu 2 O.

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