Tungsten Melting Crucible

Tungsten Melting Crucible

FAQ

1.What is the main manufacturing methods of tungsten crucible:

※ Sintering

The powder is cold formed and then placed in a high temperature sintering furnace and sintered at a high temperature for dozens of hours. The density is greater than 18 g/cm3.

※ turning

Sintering tungsten crucible billet, sintering tungsten rod, forging tungsten rod, rough turning forming, then finish turning polishing. Density 18g/cm3—19.3g/cm3

※ stamping

Choosing and calculating the appropriate tungsten plate and heat it for stamping. Density greater than 19g/cm3

※welding

Rolling the tungsten plate, heating and  reeling, then vacuum welding and forming, density greater than 19g/cm3

2. what sizes of tungsten crucible do you produce?

According to customers’ requirement.

3.What is the purity of tungsten crucibles？

99.95%.

4.What is the density of tungsten crucible?

≥18.5g/cm3

5. What is Maximum work temperature environment of tungsten crucible?

2400℃

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