Stellite preserves hardness up to a temperature of

Stellite is an alloy of Cobalt, Chromium and Tungsten and it is non-ferrous alloy.
The hardness of Stellite is not affected by heat upto 1100°C and it is actually tougher at red heat than cold.
Due to this important characteristic, it is widely used in cutting tool material.
It works best when tools operated at high speed and low feed

Although parts as large as 22 kg can be produced, most PM components are
less than 2.2 kg.

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in stellite tool main constitute is the cobalt which maintain cutting edges sharp at elecated temp