high purity more than 99.95% tungsten crucibles for gem furnace

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high purity more than 99.95% tungsten crucibles for gem furnace

Tungsten and molybdenum crucible (W crucible,Mo crucible) advantage


1) we can supply in all commonly used dimensions,very larg dimension crucible is also no problem.


2) quality crucible,factory price


3) precise tolerance as your requirement.


The characters fo Achemetal tungsten crucible and molybdenum crucible (W crucible,Mo curcible)

1) Purity ≥99.95%

2) Density 18.6g/cm³ for W crucible,10.1g/cm³ for Mo crucible.

3) Microstructural homogeneity--HIP.

4) Inner surface roughness--Ra 1.


The properties of tungsten and molybdenum









 Melting point




 Thermal conductivity


 98.8   (1400 oC )

 174   (10--100 oC )



 53.1  (1730 oC )

 35   (1000 oC )

 Vapor pressure


 7.09 X 10-6   (1600 oC )




 343 350

 35 316

 Thermal expansion coefficient


 6.2 X 10-6    (700 oC )

 4.5 X 10-6   (0--100 oC )





 Tensile strength






More Products


Main Products


1,Tungsten&molybdenum profiles (rods,bars,tubes,plates,sheets of tungsten,molybdenum and their alloys).

2,Balance weight of tungsten heavy alloy (for motors,watches,golf clubes ,propellers).

3,Power automotive industry (tungsten copper switches,contactors,tungsten contactors)

4,Magnetron sputtering targets (flat panel displays,photovoltaic).

5,Vacuum coating industry (evaporation boat,cathode,evaporation coils,crucibles)

6,Quartz,glass and rare earth smelting industry (electrode,spinning nozzle,crucibles)

7,Parts for medical equipment (collimator device of CT machine,mammography target of X ray machine).

8,Electronics industry (ion implantation components,MOCVD machine parts,electron gun parts)

9,Nuclear aerospace and military industry (carrying boat,radiation shield,tungsten crucible for renewable nuclear fuel,rocket nozzle,throat,penetrator).

10,Vacuum or gas protected high temperature furnace material (sintering furnace,monocrystalline furnace,annealing furnace)

  (1)Tungsten and molybdenum crucible(spinning,forging,sintering,welding),heating element.

  (2) Heat shield,shelves,tray,hooks,seed holder,cylinder,pallet,screw,nut.

  (3) Complete hot zone for sapphire crystal growth furnace (KY,ESG,CZ,HEM)

Company Shows



Achemetal Tungsten & Molybdenum Co., Ltd., located in Luoyang, Henan Province, China, is a manufacturer of tungsten and molybdenum specialty products. Our product line includes foil, sheet, plate, wire, rod, fabricated part as well as pressed and sintered part. Our products have been used in a wide range of industries, including electronics, lighting, semiconductor, automobile, fiberglass, aircraft, medical and many others. We are committed to serve customers, helping our customers and working with our customers to succeed in the ever challenging market.




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