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 AlloysILLIUM® 6, ILLIUM® 21, (STELLITE®)
ApplicationsHot or corrosive atmosphere where lubrication is difficult; for resistance to wear, galling, impact, and thermal shock
LimitationsLow ductility in many grades
Typical UsesBushings, sleeves, knives, pump components, valves
MachinabilityFair
WeldabilityGood to poor, depending on grade
Corrosion ResistanceExcellent

Alloys

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