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    Tungsten

    Tungsten

    All available metals in pure form, tungsten has the highest melting point (3422°C), the lowest vapor pressure, the highest tensile strength, and the lowest coefficient of thermal expansion. It also has a very high density (19.3g/cc), a high degree of mechanical strength and ductility. Tungsten is an excellent material for high-temperature applications, high vacuum technology, dimensional stability, glass seals, and furnace construction. Because of tungsten's high density, it can absorb radioactive radiation. It is also widely used as additives to steel to enhance physical properties and an alloy with nickel, copper, and iron to provide high-density machinable materials.

    AEM can provide pure tungsten products and tungsten heavy alloy, tungsten copper, tungsten silver, and tungsten carbide products with high quality and competitive prices.

    Below are some of our standard tungsten and tungsten alloy products. If you require some custom products, please contact us.

    Physical Properties of Tungsten

    Density lb/in3 0.7
      gm/cm3 19.27
    Melting Point °F 6170
      °C 3410
    Thermal Conductivity Cal/cm2/cm°C/sec 0.48
    Specific Heat Cal/gm/°C 0.032
    Coefficient of Linear Thermal Expansion micro-in/°F x 10-6 4.3
      micro-in/°C x 10-6 2.4
    Electrical Resistivity micro-ohm-cm 5.5

    Mechanical Properties of Tungsten

    Tensile Strength KSI (Mpa)-RT 250 (1725)
      KSI (Mpa)-500°C 150 (1035)
      KSI (Mpa)-1000°C 75 (515)
    Elongation % in 1.0". --
    Hardness DPH 300
    Modulus of Elasticity KSI 58000
      Gpa 400
    Tungsten Chemistry
    Minimum % 99.95

    Applications of Tungsten

    Tungsten wire has a wide variety of usage in several industrial applications, including lighting, radiation shielding, medical devices, support structures for power tubes, vacuum heating, evaporation sources in metalizing processes, office machinery, and others. Tungsten rod, sheet, plate and other can be applied in high-temperature furnace components, glass to metal seals, heavy metal alloys, medical devices, welding electrodes.

    Some tungsten properties are its high melting point of 6170° F (3410° C), a low coefficient of thermal expansion, and low vapor pressure at elevated temperatures, along with good electrical and thermal conductivity.

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