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Tungsten

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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 proces

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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.Turning and forming with a tungsten rod;
2.Stamping;
3.Spin forming
4.Sintering (applying to powder metallurgy technology);
5.A variety of welding molding, using tungsten plate, tungsten sheet and tungsten rod processed by the corresponding process.

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 of tungsten crucible
1, purity: W ≥ 99.95%;
2, the highest application temperature environment: 2600 ° C.
Tungsten bismuth chemical composition

Tungsten bismuth chemical composition
≥99.95%	≤0.05%	≤0.01%

Production process
Tungsten powder - sifting - loading powder - isostatic pressing - roughing car processing - medium frequency sintering - quality car processing - packaging - delivery.

Uses
Since the melting point of tungsten up to 3430. deg.] C, and therefore widely used in the tungsten crucible furnace core container industry sapphire single crystal growth furnace, quartz glass melting furnace, rare earth smelting furnace, which is generally used for working temperatures above 2000 ℃. 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.