Zhuzhou Jinxin Cemented Carbide Co.,Ltd

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Customized tungsten melting crucible

Brand : JINXIN

Product origin : CHINA

Delivery time : 10-15 DAYS

Supply capacity : 1000000 PCS/MONTH

Tungsten crucible is also know as tungsten carbide planetary mill jar, grinding mill jar and tungsten melting pot. It can be mainly divided into many molding ways, such as sintered molding impact molding, spinning molding, lathing molding (usually small size) and using tungsten rod and welding processing with the appropriate technology.

Tungsten crucible application: 

1.Suitable for hard and abrasive samples etc.

2.Applicated for Tungsten carbide ball mill jar is used as grinding jar of planetary ball mill matched with tungsten carbide balls, which is suitable for grinding materials in high hardness such as hard alloy powder, diamond powder, and silicon carbide powder.

Dimension: Customized base on customer drawing or samples.

Tungsten carbide grinding mill jar properties:

Jar Volume: 25mL~1000mL

Max Loading Capacity:2/3 capacity of the grinding jar

Main Chemical Compositions: WC (94%),Cobalt (6%)

Surface Treatment: blank or finish

Abrasion Resistance: very good

Attachment:lid and rubber sealing gasket

Grinding Balls: mixed tungsten carbide ball(should be ordered separately)

Hardness: 92.1HRC


Differences of tungsten crucible for high temperature furnace

1. Sintering tungsten crucible:
Density: 18.0~18.5g/cm3
Working Temperature: 1800~2600DC
2. Forging Tungsten Crucible:
Density: 18.5~19.0g/cm3
Woring Temperature: 1800~2600DC
And the temperature of tungsten crucible in working environment is above 2000℃. In the event of sapphire crystal growth furnace, high-purity, high-density, no internal-crack tungsten crucible with other features of exact measurement and smooth surface have a decisive effect on the success ratio of seed growth, quality control of pulling crystal, metamictization pot-committed and service life during sapphire growth process.

All of our tungsten carbide crucibles are under ISO9001 quality standard system.


Tungsten crucible specifications:


Diameter(mm)Wall Thickness(mm)Height (mm)
30~502~10<1300
50~1003~15<1300
100~1503~15<1300
150~2005~20<1300
200~3008~20<1300
300~4008~30<1300
400~4508~30<1300
450~5008~30<1300

tungsten crucible


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