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Tungsten Crucible

  • Tungsten crucible Tungsten crucible is produced from W1 tungsten powder, and the temperature is between 1700 ° C and 2600 ° C. Mainly used in metallurgical industry, rare earth industry, monocrystalline silicon, solar energy, artificial cry
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                                       Tungsten Crucible

    Tungsten crucible is produced from W1 tungsten powder, and the temperature is between 1700 ° C and 2600 ° C. Mainly used in metallurgical industry, rare earth industry, monocrystalline silicon, solar energy, artificial crystals and mechanical processing industries. 
 
    According to the production and processing methods of tungsten rhenium, it is mainly divided into:

  1. 1.Turning and forming with a tungsten rod;
  2. 2.Stamping;
  3. 3.Spin forming
  4. 4.Sintering (applying to powder metallurgy technology);
  5. 5.A variety of welding molding, using tungsten plate, tungsten sheet and tungsten rod processed by the corresponding process.
  6.  
                    Tungsten rod turning tungsten crucible
purity density Specification (mm) Tolerance (mm) Wall thickness (mm)
99.95% ≥19.1g/ cm3 diameter height Diameter tolerance Height tolerance 1-10
12-80 12-300 ±0.05 ±0.1
                    Spinning tungsten crucible
purity density Specification (mm) tolerance Wall thickness
99.95% ≥19.1g/ cm3 diameter height Diameter tolerance Height tolerance 2-5
80-500 100-500 ±1 ±2
                    Sintered tungsten crucible
purity density Specification (mm) tolerance Wall thickness
99.95% ≥18.6g/ cm3 diameter height Diameter tolerance Height tolerance 8-20
80-500 100-500 ±0.2 ±0.2
                    Welding tungsten crucible
purity density Specification (mm) tolerance Wall thickness
99.95% ≥19.1g/ cm3 diameter Height (mm) Diameter tolerance Height tolerance 3-5
150-500 100-500 ±2 ±2
 
                    Physical properties
1, purity: W ≥ 99.95%; 
3, the highest application temperature environment: 2600 ° C.                    
                Tungsten bismuth chemical composition
Tungsten content Sum of other elements Other content of each element
≥99.95% ≤0.05% ≤0.01%
 
                    Production process
Tungsten powder - sieving - powder - isostatic pressing - sintering - forging - wire cutting - quality car processing - packaging - delivery. 

                    Use
    Since tungsten has a melting point of up to 3430 ° C, tungsten rhenium is widely used in core vessels in industrial furnaces such as sapphire single crystal growth furnace, quartz glass melting furnace, rare earth smelting furnace, etc., and its working temperature environment is generally above 2000 °C. Especially for the sapphire single crystal growth furnace, the high-purity, high-density, no internal crack, accurate size, smooth inner and outer walls, etc., the growth rate of the seed crystal during the growth of the sapphire crystal, the quality control of the crystal pulling, The degumming pan and the service life play a key role. 
    We can customize the molybdenum crucible according to your requirements. Please tell us the size of the drawing you need as follows.
 
 

Advisory：Tungsten Crucible

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