Molybdenum (Mo pure >99.94%) vs Rhenium (Re pure >99.9%)
Property comparison of Molybdenum (Mo pure >99.94%) and Rhenium (Re pure >99.9%), both refractory.
| Property | Molybdenum (Mo pure >99.94%) | Rhenium (Re pure >99.9%) | Difference |
|---|---|---|---|
| Elastic modulus | 329,000 MPa | 463,000 MPa | +41% |
| Shear modulus | 127,000 MPa | 178,000 MPa | +40% |
| Poisson ratio | 0.29 | 0.3 | +3% |
| Density | 10,220 kg/m³ | 21,020 kg/m³ | +106% |
| Brinell hardness | 160 HB | 134 HB | -16% |
| Thermal conductivity | 138 W/m·K | 48 W/m·K | -65% |
| Specific heat | 251 J/kg·K | 137 J/kg·K | -45% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000006 1/K | +22% |
| Melting point | 2,623 °C | 3,186 °C | +21% |
Difference is Rhenium (Re pure >99.9%) 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
- —
- standard
- CRC Handbook of Chemistry and Physics 103rd Ed.
- heat treatment
- annealed
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