It is characterized by its extremely low coefficient of thermal expansion and high dimensional stability. Its high level of electrical conductivity and its low diffusion into adjoining layers make tungsten an important component in thin-film transistors. It has its uses for alloy additives.
Tungsten Bar Grade WB-3 Applications
Production of electrical parts.
Vacuum electrical components
Production of heating elements.
Refractory pieces in high temperature furnaces.
| Description | Unit value | Specification |
|---|---|---|
| Density g / cm3 | 18.5 | |
| Elastic limit kg / cm2 | 5863.37 | |
| Maximum tensile load kg / cm2 | 8463.64 | |
| Elongation about 25mm% | 6 | |
| Brinell hardness | 275 |
| Description | Unit value | Specification |
|---|---|---|
| Thermal conductivity K /mK | 100 | |
| Electrical conductivity> 14% IACS | 177W |
| Element | Percentage % |
|---|---|
| Tungsten - W | 97.00 max |
| Nickel - Ni | 2.10 max |
| Iron - Faith | 0.90 max |
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