Actual Problems in Machine Building. Vol. 13. N 1-2. 2026 Materials Science in Machine Building ____________________________________________________________________ 94 ANALYSIS OF THE THEORETICAL COMPOSITION OF STEEL FOR THE MANUFACTURING OF PRESS MOLDS FOR PROCESSING THERMOSET POLYMER COMPOSITE MATERIALS Tatanov P.V., Post-graduate Student, e-mail: tatanov@list.ru Lobanov D.V. D. Sc. (Engineering), Associate Professor Shneider D.A., Post-graduate Student, e-mail: dmitrij.schneider@hotmail.com Yanyushkin A.R., Post-graduate Student, e-mail: andreyyayushkin@mail.ru Terentyev E.A., Post-graduate Student, e-mail: genya_ms@mail.ru I.N. Ulyanov Chuvash State University, 15 Moskovsky Prospekt, Cheboksary, 428015, Russian Federation Abstract Today, the processing of thermosetting polymer composite materials is entering a new phase of development. This is due to the emergence of new resins incorporated into promising polymer blends, which offer not only improved performance characteristics but also reduced toxicity. The current approach to designing tooling made from galvanically chromium-plated parts has reached a critical point. New, hard yet corrosion-resistant steels are needed. The domestic range of rolled products is severely limited in size and requires complex heat treatment. New steels are needed. This paper analyzes a promising powder tool steel synthesized using JMatPro 7. The analysis conducted allows us to state that the results are applicable in production practice. Keywords powder steels, adhesion, high hardness, wear resistance, corrosion resistance
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