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Tungsten Rod

Tungsten rods and bars are characterized by the highest melting point among metals, low thermal expansion, excellent thermal conductivity, adequate electrical resistance, and high elastic modulus, making them suitable for extreme high-temperature environments. They are widely used in filaments, cathodes, electrodes, leads, supports, and precision components, as well as in electronics, electro-optical sources, medical devices, thin-film technology, and high-temperature furnace applications.

    Feature

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    Tungsten rods and bars offer the highest melting point among metals, low thermal expansion, excellent thermal conductivity, and high mechanical strength, making them ideal for extreme high-temperature and precision applications.

    Type & Application

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    HW91 HW71 HW61 HW31: making filament, cathodes, setting rod at H.t., electrode etc.
    HW31 HW42 HW11: making lead, support, typing needle.

    Diameter Range

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    Classification Dia (mm)
    Black Tungsten Rod Swaged 3.0 - 13.5
    Straightened 0.5 - 3.0
    Ground Tungsten Rod 1.0 - 13.5

    OEM is acceptable