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MATERIAL SPECIFICATIONS
TUNGSTEN WIRE
Technical
Description: |
"Commercially Pure" Tungsten
Wire
(Data for Small Diameter Wire) |
Chemical
Composition: |
Tungsten.......................................99.96%
min.
Molybdenum................................. 0.005%
Iron.............................................. 0.002%
Non-Volatile Residue..................... 0.002% |
Theoretical
Density: |
19.3 g/cm3 |
| Hardness: |
HV 600 - 625 or Approx. 56-57 Rockwell C |
Thermal
Expansion: |
4.6 ppm/ °C |
Thermal
Conductivity |
0.40 cal/(s. cm.°C) |
| Specific
Heat: |
0.032 cal/g @ 25°C |
Electrical
Resistivity: |
5.6 microhm-cm @ 25°C |
Tensile
Strength: |
240 Kg/mm2 or Approx. 500,000 Psi |
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