Niobium (Nb pure >99.9%) vs Ta-10W (Ta-90-W-10) annealed
Property comparison of Niobium (Nb pure >99.9%) and Ta-10W (Ta-90-W-10) annealed, both refractory.
| Property | Niobium (Nb pure >99.9%) | Ta-10W (Ta-90-W-10) annealed | Difference |
|---|---|---|---|
| Elastic modulus | 105,000 MPa | 193,000 MPa | +84% |
| Density | 8,570 kg/m³ | 16,850 kg/m³ | +97% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000006 1/K | -12% |
| Melting point | 2,477 °C | 3,080 °C | +24% |
Difference is Ta-10W (Ta-90-W-10) annealed relative to Niobium (Nb pure >99.9%). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- grade
- R04200
- standard
- CRC Handbook of Chemistry and Physics 103rd Ed. / ASTM B392
- heat treatment
- annealed
- grade
- R05255
- standard
- ASTM B365 R05255 / ATI Ta-10W technical datasheet
- heat treatment
- annealed
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