Tantalum (Ta pure >99.7%) vs TZM (Mo-0.5Ti-0.08Zr)
Property comparison of Tantalum (Ta pure >99.7%) and TZM (Mo-0.5Ti-0.08Zr), both refractory.
| Property | Tantalum (Ta pure >99.7%) | TZM (Mo-0.5Ti-0.08Zr) | Difference |
|---|---|---|---|
| Yield strength | 165 MPa | 860 MPa | +421% |
| Tensile strength | 270 MPa | 965 MPa | +257% |
| Elastic modulus | 186,000 MPa | 329,000 MPa | +77% |
| Density | 16,650 kg/m³ | 10,160 kg/m³ | -39% |
| Thermal conductivity | 57 W/m·K | 54 W/m·K | -5% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000005 1/K | -18% |
| Melting point | 2,996 °C | 2,620 °C | -13% |
Difference is TZM (Mo-0.5Ti-0.08Zr) relative to Tantalum (Ta pure >99.7%). 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
- Ta R05200
- standard
- ASTM
- heat treatment
- Annealed
- grade
- R03630
- standard
- Plansee product data / ASTM B386 Grade 364
- heat treatment
- stress-relieved
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