Nb-1Zr (Nb-99-Zr-1) annealed vs Niobium (Nb pure >99.9%)
Property comparison of Nb-1Zr (Nb-99-Zr-1) annealed and Niobium (Nb pure >99.9%), both refractory.
| Property | Nb-1Zr (Nb-99-Zr-1) annealed | Niobium (Nb pure >99.9%) | Difference |
|---|---|---|---|
| Elastic modulus | 103,000 MPa | 105,000 MPa | +2% |
| Poisson ratio | 0.4 | 0.4 | 0% |
| Density | 8,590 kg/m³ | 8,570 kg/m³ | 0% |
| Thermal conductivity | 52 W/m·K | 54 W/m·K | +4% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000007 1/K | 0% |
| Melting point | 2,399 °C | 2,477 °C | +3% |
Difference is Niobium (Nb pure >99.9%) relative to Nb-1Zr (Nb-99-Zr-1) annealed. 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
- R04251
- standard
- ASTM B392 Type 3 (R04251) / CRC Handbook
- heat treatment
- annealed
- grade
- R04200
- standard
- CRC Handbook of Chemistry and Physics 103rd Ed. / ASTM B392
- heat treatment
- annealed
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