Luoyang Hypersolid Metal Tech Co., Ltd
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PVD Coating Tungsten Alloy Products Tungsten Target 99.95% Min.
Tungsten Target is a rare metal with high melting point, belonging to the VIB group of the sixth period (the second long period) in the periodic table. Tungsten Target is a silvery white metal that looks like steel. Tungsten has high melting point, low vapor pressure and low evaporation rate.
PARAMETER
|
OD(mm) |
ID(mm) |
Length(mm) |
Custom Made |
|
140-300 |
120-280 |
100-3300 |
|
Model Number |
W1 |
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|
Shape |
customized |
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|
Chemical Composition |
99.95% W |
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Specification
|
Atomic number |
74 |
|
CAS number |
7440-33-7 |
|
Atomic mass |
183.84 [g/mol] |
|
Melting point |
3420 °C |
|
Boiling point |
5555 °C |
|
Density at 20 °C |
19.25 [g/cm3] |
|
Crystal structure |
Body-centered cubic |
|
Coefficient of linear thermal expansion at 20 °C |
4.410-6[m/(mK)] |
|
Thermal conductivity at 20 °C |
164 [W/(mK)] |
|
Specific heat at 20 °C |
0.13 [J/(gK)] |
|
Electrical conductivity at 20 °C |
18.2106[S/m] |
|
Specific electrical resistance at 20 °C |
0.055 [(mm2)/m] |
APPLICATIONS
semiconductor
chemical vapor deposition (CVD)
physical vapor deposition (PVD) display