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    Tungsten Crucible
  • Description of Tungsten Crucible:

    Purity: W>99.95%
    Density: >18.2g/cc
    Application temperature environment:2300°C

    Application of Tungsten Crucible:

    Tungsten crucible is widely used to the sapphire growth furnaces, quartz glass melting furnace, crystal furnace, induction furnace, sintering metal mold of high melting point, electronic beam coating, and rare earth smelting furnace. AEM supplies all kinds of Tungsten crucibles and other Tungsten parts (including heaters, heat insulation screens, sheets and supports, etc.) used in the process of sapphire growth and rare-earth melting and we can manufacture the products according to customers’ drawings and specific requirements.

    Advantages of Tungsten Crucible:

    Our tungsten crucible has advantages of high purity, high density, low resistivity, high strength, low thermal expansion, erosion resistance. In addition, the surface of our tungsten crucible is polished. Therefore, there is no crack and the inside and outside wall is smooth.

    Specification of Tungsten Crucible:

    We have the world's largest Tungsten crucible and Tungsten tube manufacturing capability, maximum diameter 800mm.The regular density is between 18.0g/cm3~18.3 g/cm3. Some can reach above 18.7 g/cm3 by our advanced process.
    We can offer all the Tungsten parts of whole hot zone used in current sapphire growing methods.

    Chemical Composition of Tungsten Crucible:

    Condition Density Diameter Height Thickness
    Forging >19.1g/cm3 10-100mm 10-120mm 7-25mm
    Sintering >18.3g/cm3  100-650mm 50-850mm 5-30mm

    Specifications:

    Diameter (mm) Wall Thickness (mm) Length (mm)

    30 ~ 50

    2 ~ 10

    30 ~ 500

    50 ~ 100

    3 ~ 15

    100 ~ 150

    3 ~ 15

    150 ~ 200

    5 ~ 20

    200 ~ 300

    8 ~ 20

    300 ~ 400

    8 ~ 30

    400 ~ 450

    8 ~ 30

    450 ~ 500

    8 ~ 30

     

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