tungsten pot

Description: high density polished pure tungsten crucible W liner

According to different processing methods, tungsten crucibles for vacuum coating can be mainly divided into sintered molding, press molding, spinning molding, turning forming and welding forming. Turning forming is mainly applied.We recommend the working temperature of the tungsten crucible for vacuum coating should be controlled below 2600℃.We can produce tungsten crucible for vacuum coating according to the customer drawing. high density polished pure tungsten crucible W liner

Features: high density polished pure tungsten crucible W liner
1.Tungsten crucible for vacuum coating is mainly used as containers and heating element for evaporation coating machine in optical glasses and spectacles field; high density polished pure tungsten crucible W liner
2.It has great strength under high temperature, anti-friction corrosion resistance;
3.It also possesses high thermal conductivity, thermal expansion coefficient and good harden ability.

Application:

1.Used for sapphire single crystal growth furnace;
2. Applied for quartz glass melting furnace;
3. Used for rare earth smelting furnace;
4. Used for sintering metal mold of high melting point;
5. Widely used in other following industries:
Ceramics and metallurgical industries, machinery processing and light dustries.

Features:

1.Low thermal expansion;

2. High density;
3. Good corrosion resistance
4. High strength;
5. Low resistivity;
6.The surface roughness of tooled crucibles does not exceed Rz 6.3;
7.The use temperature below 2450ºC in vacuum or deoxidize atmosphere.
8.Manufactured based on customers' requirement.

Chemical composition

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 We offer material composition sheet and examination report which include density, flaw detection, dimensions and so on. Our products are packed in plywood case with expanded plastic. What's more, the case is moistureproof and grooved for products being placed stably.

 We have 15 years experiences in producing and saling qualified Refractory metals to our customers

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