any of various alloys containing cobalt, chromium, carbon, tungsten, and molybdenum: characteristically very hard and wear-resistant, they are used as castings or hard surface-coatings
Stellite in American English
(ˈstɛlˌaɪt)
trademark
1.
any of a group of cobalt-chromium superalloys characterized by great hardness and resistance to corrosion at high temperatures, used in making jet engine parts, cutting blades, etc.