tungsten crucible for sale Tungsten Crucible

Tungsten Crucible

Tungsten crucible is widely applied in high temperature vacuum furnace melting environment such as sapphire growing furnace,quartz glass melting furnace,and rare earth melting furnace.The working temperature of tungsten crucible is above 2000℃.

Product details

Baoji Refractory Metal Developer Co.,Ltd is one of the leading China tungsten crucible manufacturers and suppliers, and as a professional company we have productive factory, welcome to wholesale tungsten crucible products from us.

 ² Chemical Composition:

 

Tungsten content

The sum of other elements

Content of each element

≥99.95%

≤0.05%

≤0.01%


 

² Properties of the products:

  High melting point3410

 —High boiling Point5927  

 —High-density 19.3 g/cm3

 —Internal stable structure

 —Outstanding thermal conductivity

 —Excellent resistance to electrochemical corrosion

 —Excellent resistance to oxidation at high temperatures


² Range of use

  Tungsten crucible is widely applied in high temperature vacuum furnace melting environment such as sapphire growing furnace,quartz glass melting furnace,and rare earth melting furnace.The working temperature of tungsten crucible is above 2000.

   For sapphire crystal growing furnace,high-purity,high-density,no crack tungsten crucible with other features of exact measurement and smooth surface has decisive influence on the success of crystal growth,quality control of pulling crystal,discharging and service life during sapphire growing process.


² Specification


Delivery condition

Specification

Tolerance

Thickness

(mm)

Roughness

(μm)

Diameter

(mm)

Height

(mm)

Diameter

(mm)

Height

(mm)

Sintering

10~500

10~750

±3.0

±3.0

8~20


Final Finished

10~450

10~550

±0.5

±1.0

7~18

3.2

Note:Special sizes can be manufactured based on customers' requirements


² Manufacturing process and equipment

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


² Advantage of Tungsten crucibles:

Specially precise forming technology for tungsten crucible body

Uniform grain with densified microstructure ensures longer life time

Ready for use parts with precise machining tolerance1


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