To harden steel, the iron matrix must contain a certain amount of carbon. The higher the carbon content in the steel, the higher the hardness is obtained. A relatively high proportion of carbon is added in bearing steels. When the component is subjected to heat treatment, it hardens completely from the surface to the core. Parts made of this type of steel are relatively brittle and can break under impact or shock loads.
Bearing steels are used in parts that require high fatigue resistance, such as diesel injection parts, as well as roller bearing parts. The hardness levels achieved by these steels also make them superior for wear applications or cutting, slitting, grinding applications. When combined with a stabilizing heat treatment, these steels provide the dimensional stability required for many tool steel applications.
Qualities
100Cr6, 100CrMn6
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