Hs 188 vs Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast
Property comparison of Hs 188 and Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast, both cobalt alloy.
| Property | Hs 188 | Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast | Difference |
|---|---|---|---|
| Density | 8,980 kg/m³ | 8,330 kg/m³ | -7% |
| Brinell hardness | 302 HB | 33 HB | -89% |
| Melting point | 1,316 °C | 1,365 °C | +4% |
Difference is Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast 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
- grade
- R30188
- standard
- Haynes International datasheet H-3125C
- heat treatment
- annealed (bright)
- grade
- R30021
- standard
- Kennametal Stellite datasheet (Stellite 21 Alloy Technical Data)
- heat treatment
- as-cast
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