FIELD: ferrous metallurgy, more particularly manufacture of cast cutting tools. SUBSTANCE: described is high-speed cast steel comprising, wt %: carbon, 2.10-2.35; tungsten, 2.75- 3.50; molybdenum, 2.5-3.0; chromium, 4.0-4.6; vanadium, 9.5-10.5; silicon, 1.1-1.3; cerium, 0.05- 0.10; aluminium oxide, 0.01-0.15; and iron, the balance. EFFECT: greater hardness, higher heat resistance and impact strength of the cast steel. 2 tbl
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