Ta-2.5W (Ta-97.5-W-2.5) annealed vs Tungsten (W pure >99.95%)
Property comparison of Ta-2.5W (Ta-97.5-W-2.5) annealed and Tungsten (W pure >99.95%), both refractory.
| Property | Ta-2.5W (Ta-97.5-W-2.5) annealed | Tungsten (W pure >99.95%) | Difference |
|---|---|---|---|
| Yield strength | 207 MPa | 750 MPa | +262% |
| Tensile strength | 310 MPa | 980 MPa | +216% |
| Elongation | 25 % | 2 % | -92% |
| Elastic modulus | 186,000 MPa | 400,000 MPa | +115% |
| Density | 16,600 kg/m³ | 19,300 kg/m³ | +16% |
| Coefficient of thermal expansion | 0.000006 1/K | 0.000005 1/K | -30% |
| Melting point | 2,996 °C | 3,422 °C | +14% |
Difference is Tungsten (W pure >99.95%) relative to Ta-2.5W (Ta-97.5-W-2.5) 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
- R05252
- standard
- ASTM B365 R05252 / Plansee Ta alloy product data
- heat treatment
- annealed
- grade
- W pure
- standard
- ASTM
- heat treatment
- Stress-Relieved
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