Ta-10W (Ta-90-W-10) annealed vs Ta-2.5W (Ta-97.5-W-2.5) annealed
Property comparison of Ta-10W (Ta-90-W-10) annealed and Ta-2.5W (Ta-97.5-W-2.5) annealed, both refractory.
| Property | Ta-10W (Ta-90-W-10) annealed | Ta-2.5W (Ta-97.5-W-2.5) annealed | Difference |
|---|---|---|---|
| Yield strength | 310 MPa | 207 MPa | -33% |
| Tensile strength | 483 MPa | 310 MPa | -36% |
| Elongation | 20 % | 25 % | +25% |
| Elastic modulus | 193,000 MPa | 186,000 MPa | -4% |
| Density | 16,850 kg/m³ | 16,600 kg/m³ | -1% |
| Coefficient of thermal expansion | 0.000006 1/K | 0.000006 1/K | 0% |
| Melting point | 3,080 °C | 2,996 °C | -3% |
Difference is Ta-2.5W (Ta-97.5-W-2.5) annealed relative to Ta-10W (Ta-90-W-10) 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
- R05255
- standard
- ASTM B365 R05255 / ATI Ta-10W technical datasheet
- heat treatment
- annealed
- grade
- R05252
- standard
- ASTM B365 R05252 / Plansee Ta alloy product data
- heat treatment
- annealed
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