Molybdenum (Mo pure >99.94%) vs Nb-1Zr (Nb-99-Zr-1) annealed
Property comparison of Molybdenum (Mo pure >99.94%) and Nb-1Zr (Nb-99-Zr-1) annealed, both refractory.
| Property | Molybdenum (Mo pure >99.94%) | Nb-1Zr (Nb-99-Zr-1) annealed | Difference |
|---|---|---|---|
| Elastic modulus | 329,000 MPa | 103,000 MPa | -69% |
| Poisson ratio | 0.29 | 0.4 | +38% |
| Density | 10,220 kg/m³ | 8,590 kg/m³ | -16% |
| Thermal conductivity | 138 W/m·K | 52 W/m·K | -62% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000007 1/K | +43% |
| Melting point | 2,623 °C | 2,399 °C | -9% |
Difference is Nb-1Zr (Nb-99-Zr-1) annealed relative to Molybdenum (Mo pure >99.94%). 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
- Mo pure
- standard
- ASTM
- heat treatment
- Stress-Relieved
- grade
- R04251
- standard
- ASTM B392 Type 3 (R04251) / CRC Handbook
- heat treatment
- annealed
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