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High purity tungsten rod
Product manual
Tungsten rods, tungsten rods, tungsten rods and tungsten electrodes are finished products of pure tungsten metal processed by high temperature and high pressure. The appearance is black or bright silver depending on the processing technology. Tungsten rods have the characteristics of high melting point, low thermal expansion coefficient and good thermal conductivity, and are widely used in traditional industry and military.
Application
Mainly used for drawing tungsten wires, processing ion implantation parts, manufacturing electric light sources and electric vacuum parts, used as high-temperature heating elements and high-temperature structural parts, used as electrodes in the rare earth industry, and machined into pure tungsten electrodes.
Dimensions
|
Delivery status |
Dimensions |
Density |
Surface state |
| Straighten tungsten rod (bar) after drawing |
Ø0.8~3.5mm |
≥19g/cm3 |
Polished state, electropolished state, chemical cleaning state |
| Forged tungsten rod (bar) |
Ø2.4~95mm |
||
| Sintered Tungsten Bar |
(10~14)*(10~14)*(300~550)mm |
17.5~19g/cm3 |
Sintered state |
Chemical composition
Main content W: ≥99.95% (excluding gas elements)
Other trace metal impurities (≯), analysis method: ICP-MS
|
Na |
0.0005% |
Ti |
0.0001% |
Cu |
0.0001% |
Sb |
0.0001% |
Mg |
0.0001% |
V |
0.0001% |
|
Zn |
0.0001% |
Ta |
0.0001% |
Al |
0.0001% |
Cr |
0.0001% |
As |
0.0001% |
W |
0.0005% |
|
Si |
0.0005% |
Mn |
0.0001% |
Zr |
0.0001% |
Pb |
0.0001% |
P |
0.0005% |
Fe |
0.0005% |
|
Mo |
0.0010% |
Bi |
0.0001% |
K |
0.0005% |
Co |
0.0001% |
Cd |
0.0001% |
Se |
0.0001% |
|
Ca |
0.0005% |
Ni |
0.0001% |
Sn |
0.0001% |
Tl |
0.0001% |
|
|
|
|
|
Gas element (≯), analysis method: LECO, O 0.01% C 0.005% |
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