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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


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View Our Casting Alloy Selector Compare Different Alloys