Tool steel is literally understood as steel for making tools, and the actual definition is a general term for steel used to make various cutting tools, measuring tools, cold/hot deformation molds and other tools.

All kinds of tool steels have common requirements, such as high hardness, good wear resistance, certain toughness and strength, etc.At the same time, they also have their own special requirements, such as red hardness, impact resistance, dimensional stability, thermal fatigue resistance and good comprehensive mechanical properties.

In order to meet these different requirements, various tool steels with different components are used in actual production, and their performance requirements are achieved through appropriate heat treatment processes.