Rare earth tungsten crucible is mainly formed by sintering tungsten powder and then processed on a lathe.
Due to the high melting point and boiling point of tungsten, good high temperature strength, wear resistance and corrosion resistance, high thermal conductivity, small thermal expansion coefficient, and good hardenability, tungsten sintered crucibles are widely used in rare earth smelting, quartz glass, electronic spraying, crystal growth and other industries.
Production process:
The specifications and dimensions of sintered tungsten crucible are as follows:
|
Purity |
Density |
Specification |
Tolerance |
|
Wall thickness |
Surface roughness |
|
|
99.95% |
≥18.5g/ cm3 |
Diameter(mm) 10-500 |
Height(mm) 10-750 |
Diameter tolerance+/-5.0 |
Height tolerance +/-5.0 |
8-20 |
Ra=1.6 |
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