Molybdenum Crucible

Molybdenum Crucible

Molybdenum crucible is widely used in metallurgy, chemical industry and rare earth manufacturing enterprises as a container for melting metals and alloys. In recent years, with the more and more serious pollution caused by the use of traditional resources in China, the development of new green energy has become a top priority, which is more obvious in the monocrystalline silicon, polycrystalline silicon, sapphire preparation industry. The new energy raw materials such as silicon and sapphire are prepared at very high temperature, so molybdenum crucible with very high temperature resistance is usually used.

Specification of Molybdenum Crucible

Forge molybdenum crucible
Purity	Density	Sizes		Tolerance		Wall thickness	roughness
	≥10.1g/ cm3	Dia(mm):	Height(mm):	Dia:	Height:	4-20mm	Ra=1.6mic
		10-500	10-750mm	+/-5.0mm	+/-5.0mm

Sinter molybdenum crucible
Purity	Density	Sizes		Tolerance		Wall thickness	roughness
	≥9.8g/ cm3	Dia(mm):	Height(mm):	Dia:	Height:	8-20mm	Ra=1.6mic
		10-500	10-750mm	+/-5.0mm	+/-5.0mm

Sintering and Mechining
Purity	Density	Sizes		Tolerance		Wall thickness	roughness
	≥9.8g/ cm3	Dia(mm):	Height(mm):	Dia:	Height:	8-20mm	Ra=1.6mic
		10-450	10-450mm	+/-5.0mm	+/-1.0mm

Purity(%)	Ag	Ni	P	Cu	Pb	N
	<0.0001	<0.0005	<0.001	<0.0001	<0.0001	<0.002
	Si	Mg	Ca	Sn	Ba	Cd
	<0.001	<0.0001	<0.001	<0.0001	<0.0003	<0.001
	Na	C	Fe	O	H	Mo
	<0.0024	<0.0033	<0.0016	<0.0062	<0.0006	>99.97

Application of Molybdenum Crucible

Since the melting point of molybdenum is as high as 2610℃, molybdenum crucible is widely used in the core vessel of sapphire single crystal growth furnace, quartz glass melting furnace, rare earth smelting furnace and other industrial furnaces, and its working temperature environment is generally above 2000℃. Especially for the sapphire single crystal growth furnace, molybdenum crucible with high purity, high density, no internal cracks, precise size, smooth inner and outer walls, etc. plays a key role in the success rate of seed crystal, quality control of crystal drawing, decrystallizing and sticking pot and service life of sapphire crystal growth process.

Production Process of Molybdenum Crucible

Molybdenum powder - sieving - billet - isostatic pressing - rough billet car processing - medium frequency sintering - fine car processing - packaging.

Features of Molybdenum Crucible

High density

Good corrosion resistance

The surface roughness of tooled crucibles does not exceed Rz 6.3

The use temperature below 2450ºC in vacuum or deoxidize atmosphere

Manufactured based on customers' requirement

Now the molybdenum crucible priceis reasonable, if you have needs, please contact us.

If you want to know more kinds of noble ferro alloys, please visit our website.

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