Abstract
1. The combination of high-temperature and lowtemperature hardening processes (CTMT) ensures a better with LTTMT. 2. The use of CTMT allows one to accomplish the same work hardening as LTTMT in the range from 20 to 25% and leads to considerable reduction of the power consumed in the deformation process by comparison with LTTMT. 3. The effectiveness of the different methods of thermomechanical treatment is connected with the nature of the alloys steels, first of all with the concentrations of carbon, chromium, and silicon. 4. We established a linear relationship between the hardness and the strength for the steels investigated, which had a martensitic structure after the various types of hardening. 5. For practical purposes it is possible to consider that the increase of the yield point with increasing hardness of the steel does not depend on the type of thermomechanical treatment.
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