Tungsten tube for High temrature shielding

tungsten tube for sapphire crystal growing furnace 1.composition: pure tungsten >99.95% 2.Density> 18g/cc 3.Furnace: 1.6, 2.

Tungsten has the highest melting point of all metals as well as a remarkably high modulus of elasticity. Thanks to its outstanding thermal properties, tungsten can easily withstand even the most intense heat.

Tungsten Crucible

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

Main applications

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.

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

 

Tungsten Property
Melting point:	3420  oC±20  oC
Boiling point:	5550 oC
Coefficient of linear thermal expansion at 20 °C	4.2 · 10-6 [m/(m·K)]
Thermal conductivity at 20 °C	164 [W/(m·K)]
Specific heat at 20 °C	0.13 [J/(g·K)]
Electrical conductivity at 20 °C	18 · 106 [1/Ω·m)]
Specific electrical resistance at 20 °C	: 0.050 [(Ω·mm2)/m]

   

Tungsten tube for High temrature shielding