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Hs 188 vs Mp35n
Property comparison of Hs 188 and Mp35n, both cobalt alloy.
| Property | Hs 188 | Mp35n | Difference |
|---|---|---|---|
| Yield strength | 464 MPa | 1,551 MPa | +234% |
| Tensile strength | 946 MPa | 1,758 MPa | +86% |
| Elongation | 53 % | 12 % | -77% |
| Elastic modulus | 232,000 MPa | 232,800 MPa | 0% |
| Poisson ratio | 0.31 | 0.4 | +29% |
| Density | 8,980 kg/m³ | 8,430 kg/m³ | -6% |
| Thermal conductivity | 10.8 W/m·K | 13.4 W/m·K | +24% |
| Coefficient of thermal expansion | 0.000011 1/K | 0.000013 1/K | +14% |
| Melting point | 1,316 °C | 1,378 °C | +5% |
Difference is Mp35n relative to Hs 188. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
Hs 188
- grade
- R30188
- standard
- Haynes International datasheet H-3125C
- heat treatment
- annealed (bright)
Mp35n
- grade
- R30035
- standard
- SPS Technologies / Carpenter Technology MP35N datasheet (AMS 5844)
- heat treatment
- cold-worked + aged 566C/4h
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