Elgiloy (Co-20Cr-15Ni-7Mo-Fe) annealed vs Hs 188
Property comparison of Elgiloy (Co-20Cr-15Ni-7Mo-Fe) annealed and Hs 188, both cobalt alloy.
| Property | Elgiloy (Co-20Cr-15Ni-7Mo-Fe) annealed | Hs 188 | Difference |
|---|---|---|---|
| Yield strength | 310 MPa | 464 MPa | +50% |
| Elastic modulus | 193,000 MPa | 232,000 MPa | +20% |
| Poisson ratio | 0.3 | 0.31 | +3% |
| Density | 8,300 kg/m³ | 8,980 kg/m³ | +8% |
| Thermal conductivity | 12.5 W/m·K | 10.8 W/m·K | -14% |
| Coefficient of thermal expansion | 0.000015 1/K | 0.000011 1/K | -26% |
| Melting point | 1,420 °C | 1,316 °C | -7% |
Difference is Hs 188 relative to Elgiloy (Co-20Cr-15Ni-7Mo-Fe) 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
- R30003
- standard
- Elgiloy Specialty Metals Wire Data Sheet (ASTM F1058 / AMS 5833)
- heat treatment
- annealed
- grade
- R30188
- standard
- Haynes International datasheet H-3125C
- heat treatment
- annealed (bright)
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