TUNGSTEN (W)

Products brief introduction

Of all metals in pure form, tungsten has the highest meeting point(3410ºC,6192oF),lowest vapor pressure(at temperatures above,650ºC,3000oF) and the highest tensile strength. It is the ideal material for ultra high temperature and high vacuum applications.

Tungsten has the lowest coefficient of thermal expansion (CTE) of ant pure metals, its CTE matches well with semiconductor materials, such as, Si, GaN, GaAs,, ,and it is stable at high temperature, make it the ideal material for electronic packing and seals.

Tungsten has a lower electrical resistivity than other refractory metals, but it will increase with temperature, this property is critical for high temperature furnace applications.

Also remarkable is its high density of 19.3 times that of water, Tungsten and its alloys, W-Ni-Cu or W-Ni-Fe has several advantages: high density (17.0-18.5g/ ), good machinability, high modulus of elasticity and high absorption capacity x-rays and y-rays.

 

Product Properties

Density: 19.3 g/ 

Melting Point: 3410ºC

CTE (20-2000ºC): 4.67μm. 

Thermal Conductivity: 167W.m. 

 

Applications

Pure tungsten products are widely used for Furnace parts, Semiconductor Base Plates, Components for Electron Beam Evaporation, Cathodes and Anodes for lon implantation, Tubes/Boats for Sintering of Capacitors, Targets for X-ray Diagnostics, Crucibles, Heating Elements, X-ray Radiation Shielding, Sputtering Targets and Electrodes

Company's Information:
Zhuzhou Kingdon Industrial & Commercial Co.,Ltd.,established in June,2004,is a professional export exterprise of Tungsten/Molybdenum,Tantalum/Niobium & Alloy products.The company has long-term closed cooperated high-tech factories which have abundant technical force and advanced processing means.Our products are exported to America,England,France,Italy,Holland,Singapore,Inida and other countries and regions,by foreign customers consistent high praise.
Let's go together
Mission : To supply high quality for customers and last for creating the largest value for customers!
Vision :   Becoming the century brand enterprise !
Sense of worth : Passion,integrity,initiative,innovation,win-win strategy
The company has the management of idea of "Customer-centered " and "Quality of the life" ! 
Enterprise Spirit : Work hard ,study well and enjoy yourselves!
Enterprise Responsibility :

1. To supply high quality products and value for customers!
2. To establish a stage for employees to fufill their dreams!
3. To struggle for the great rejuvenation of the Chinese nation with our whole life !