Tungsten (W pure >99.95%) vs TZM (Mo-0.5Ti-0.08Zr)
Property comparison of Tungsten (W pure >99.95%) and TZM (Mo-0.5Ti-0.08Zr), both refractory.
| Property | Tungsten (W pure >99.95%) | TZM (Mo-0.5Ti-0.08Zr) | Difference |
|---|---|---|---|
| Yield strength | 750 MPa | 860 MPa | +15% |
| Tensile strength | 980 MPa | 965 MPa | -2% |
| Elastic modulus | 400,000 MPa | 329,000 MPa | -18% |
| Density | 19,300 kg/m³ | 10,160 kg/m³ | -47% |
| Thermal conductivity | 173 W/m·K | 54 W/m·K | -69% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000005 1/K | +18% |
| Melting point | 3,422 °C | 2,620 °C | -23% |
Difference is TZM (Mo-0.5Ti-0.08Zr) 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
- R03630
- standard
- Plansee product data / ASTM B386 Grade 364
- heat treatment
- stress-relieved
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