Tungsten (W pure >99.95%) vs W-3Re (W-3%Re) annealed
Property comparison of Tungsten (W pure >99.95%) and W-3Re (W-3%Re) annealed, both refractory.
| Property | Tungsten (W pure >99.95%) | W-3Re (W-3%Re) annealed | Difference |
|---|---|---|---|
| Yield strength | 750 MPa | 900 MPa | +20% |
| Tensile strength | 980 MPa | 1,100 MPa | +12% |
| Elongation | 2 % | 8 % | +300% |
| Elastic modulus | 400,000 MPa | 388,000 MPa | -3% |
| Density | 19,300 kg/m³ | 19,600 kg/m³ | +2% |
| Thermal conductivity | 173 W/m·K | 100 W/m·K | -42% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000005 1/K | +2% |
| Melting point | 3,422 °C | 3,170 °C | -7% |
Difference is W-3Re (W-3%Re) annealed relative to Tungsten (W pure >99.95%). 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
- W pure
- standard
- ASTM
- heat treatment
- Stress-Relieved
- grade
- —
- standard
- ASM Alloy Digest / PMC review of W-Re alloys (PMC10779616)
- heat treatment
- annealed
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