rief Description for tungsten crucible

 

Tungsten crucible manufactured by the special production line in our corporation, can provide reliable guarantee of product quality for the users by adopting excellent tungsten materials with high purity, advanced techniques and special treatment to the product surfaces.

 

Tungsten crucible furnace is mainly used for Sapphire crystal growth furnace, rare earth smelting vessel, the quartz glass smelting furnace. According to your drawing, we can supply all kinds of high temperature crucible.

 

 

1).Sintering tungsten crucible
      

Density: 18.0 - 18.5 g/cm3

     

Working temperature: 1800 - 2,600 DC
      

Diameter: 100 - 500mm (max.)

     

Cubage : 0.4 - 100 litres

 

2).Forging tungsten crucible 

      

Density: 18.5 - 19.0 g/cm3

     

Working temperature: 1800 - 2,600 DC
      

Diameter: 18 - 150mm (max.)

      

Cubage : 2 - 500 ml

  

 

3).Applications:

 

  

Tungsten crucible and other parts can be used for sapphire crystal growth and rare-earth melting due to their high temperature resistance, low pollution and other excellent characteristics.

 

We can 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.

Specifications for our Tungsten  Crucible  :

we aslo can manufacture the products according to customers' drawings and specific requirements.

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

 

 

 

Process of  tungesten crucible produce

 

Item	Process	Equipment	Quality Check
1	Powder purified	Purified furnace	GDMS
2	Isostatic pressing	Isostatic pressing machine	Measurement of rough-processed
3	IF forging	High-accuracy forging machine	Dimension measurements for product
4	IF sintering	High temperature vacuum sintering furnace	Dimension measurements for product
5	Final machining	High-accuracy turning machine	Surface quality/ roughness and density
6	Package		Quality Test Report