Pure Tungsten crucibles for Sapphire ingot grower Hot zone

1.Tungsten Crucible for Sapphire cyrstal growth furnace 2.Materials:pure tungsten 99.95%Min 3.Size: OD350 X H400mm

Tungsten Crucible

Tungsten crucible is mainly used for rare earth, sapphire single crystal growth furnace , quartz glass, metal extracting, metallurgical industry, machinery processing, glass and ceramic industries, etc.

 

 

Delivery condition	Specification		Tolerance		Thickness	Roughness   (μm)
	Diameter	Height	Diameter	Height
Sinter	10~700	10~1000	±5.0	±5.0	5~30
Finished sinter	10~650	10~850	±0.5	±1.0	7~25	<2.5

2.Manufacturing process and equipment

Item	Process	Equipment	Quality Check point
1	Tungsten powder		1  Purity of tungsten powder
2	Sieving	High frequency vibrating screen	2  Fsss,HB
3	Mixed powder	V shape mixer	3  Green strength
4	Isostatic pressing	Isostatic pressing machine	1  Measurement of rough-processed billet
5	Rough billet lathing	CNC vertical turning machine	2  Surface quality of rough-processed billet
6	IF sintering	IF induction sintering furnace	1  Outside measurements of finished product
7	Competitive products  lathing	High-accuracy vertical turning machine	2  Surface quality and roughness of finished product,density
8	Package		3  Show certificate of qua

Chemical composition: tungsten >99.95% ( percentage by weight)

Density: >18.3g/cc

Specification: Diameter: Dia100----Dia400mm   Height: H200—H500mm

Surface finish : < Ra3.2 shining furnace

Working temperature: 1800 ~ 2600 In Vacuum or deoxidize atmosphere

Produce Method: Powder Metallurgy

SMT’s advantage in tungsten crucible:

1)Large size, high purity, high density, Smooth furnace

2)Long history of supplying the tungsten crucible for Single crystal growth furnace and silicon produce furnace

3)Competitive price & professional service.

 

SMT’s contact information:

Xi’an Htemps Metal Materials Co.,Ltd.

Tel: 0086-29-81320779 81320782   Fax: 0086-29-81320781

 

 

 

 

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