Cobalt Base
These alloys exhibit a high hardness and good corrosion resistance. They are often used in wear applications. Most of the grades cannot be welded.
| Alloy Properties | |
|---|---|
| Representative Alloys | ILLIUM® 6, ILLIUM® 21, (STELLITE®) |
| Applications | Hot or corrosive atmosphere where lubrication is difficult; for resistance to wear, galling, impact, and thermal shock |
| Limitations | Low ductility in many grades |
| Typical Uses | Bushings, sleeves, knives, pump components, valves |
| Machinability | Fair |
| Weldability | Good to poor, depending on grade |
| Corrosion Resistance | Excellent |
