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