C-103 (Nb-10Hf-1Ti) annealed vs Hafnium (Hf pure >99.9%)
Property comparison of C-103 (Nb-10Hf-1Ti) annealed and Hafnium (Hf pure >99.9%), both refractory.
| Property | C-103 (Nb-10Hf-1Ti) annealed | Hafnium (Hf pure >99.9%) | Difference |
|---|---|---|---|
| Yield strength | 259 MPa | 125 MPa | -52% |
| Tensile strength | 429 MPa | 480 MPa | +12% |
| Elastic modulus | 112,500 MPa | 78,000 MPa | -31% |
| Density | 8,850 kg/m³ | 13,310 kg/m³ | +50% |
| Coefficient of thermal expansion | 0.000007 1/K | 0.000006 1/K | -19% |
| Melting point | 2,350 °C | 2,233 °C | -5% |
Difference is Hafnium (Hf pure >99.9%) relative to C-103 (Nb-10Hf-1Ti) 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
- standard
- NASA NTRS / Western Alloys data (AMS 4911 / ASTM B392)
- heat treatment
- recrystallized annealed 1316C
- grade
- —
- standard
- CRC Handbook of Chemistry and Physics 103rd Ed.
- heat treatment
- annealed
- grade
- R02040
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