| Density | 16.7g/cm3 |
| Purity | 99.95% |
| Surface | bright, without crack |
| Melt point | 2996℃ |
| Grain size | ≤40um |
| Process | sintering,hot rolling, cold rolling ,annealing |
| Application | medical,industry |
| Performance | Moderate hardness, ductility, high toughness and low coefficient of thermal expansion |
| Thickness(mm) | Width(mm) | Length(mm) | |
| Foil | 0.01-0.09 | 30-300 | ＞200 |
| Sheet | 0.1-0.5 | 30-600 | 30-2000 |
| Plate | 0.5-10 | 50-1000 | 50-2000 |
|
Chemical composition(%) |
|
||||||||
| Nb | W | Mo | Ti | Ni | Si | Fe | C | H | |
| Ta1 | 0.05 | 0.01 | 0.01 | 0.002 | 0.002 | 0.05 | 0.005 | 0.01 | 0.0015 |
| Ta2 | 0.1 | 0.04 | 0.03 | 0.005 | 0.005 | 0.02 | 0.03 | 0.02 | 0.005 |
Mechanical requirements (annealed)
| Diameter, inch (mm) | Tolerance, +/-inch (mm) |
| 0.762~1.524 | 0.025 |
| 1.524~2.286 | 0.038 |
| 2.286~3.175 | 0.051 |
| The tolerance of other sizes according to customers’ requirements. | |
High melting point, High-density, high temperature oxidation resistance, long service life, resistance to corrosion.
Mainly applied in capacitor ,electric lamp- house, electronics industry, vacuum furnace heat element, heat insulation etc.