FIELD: ferrous metallurgy. SUBSTANCE: proposed steel contains (mass %): carbon 0.55-0.70, chromium 12.5-15.0, manganese 0.20-1.0, silicium 0.20-0.50, molybdenum 0.50-0.05, vanadium 0.05-0.30, aluminium 0.03-0.10, boron 0.002-0.004, titanium 0.01-0.10, nickel 0.08-0.30, calcium 0.005-0.030, zirconium 0.05-0.10 and ferrum. Total content of titanium and zirconium is 0.10-0.16 mass %, total content of manganese and nickel being within 0.5-1.2 mass %. EFFECT: improved dispersion. 1 tbl
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