Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast vs Tribaloy T-400 (Co-28Mo-8.5Cr-2.5Si) cast
Property comparison of Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast and Tribaloy T-400 (Co-28Mo-8.5Cr-2.5Si) cast, both cobalt alloy.
| Property | Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast | Tribaloy T-400 (Co-28Mo-8.5Cr-2.5Si) cast | Difference |
|---|---|---|---|
| Density | 8,330 kg/m³ | 8,900 kg/m³ | +7% |
| Brinell hardness | 33 HB | 55 HB | +67% |
| Melting point | 1,365 °C | 1,314 °C | -4% |
Difference is Tribaloy T-400 (Co-28Mo-8.5Cr-2.5Si) cast relative to Stellite 21 (Co-28Cr-5Mo-2.5Ni) cast. 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
- R30021
- standard
- Kennametal Stellite datasheet (Stellite 21 Alloy Technical Data)
- heat treatment
- as-cast
- grade
- —
- standard
- Kennametal Stellite Tribaloy T-400 datasheet
- heat treatment
- as-cast
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