HIGH-SPEED STEEL Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: steel containing carbon, tungsten, molybdenum, chrome, vanadium, silicon, manganese, zirconium, calcium, cerium, iron has additionally titanium and zirconium carbides at the following ratio of components, wt. -% : carbon 0.2-0.3; tungsten 15-17; molybdenum 2.0-2.5; chrome 1.5-2.0; vanadium 0.5-1.0; silicon 0.3-0.4; manganese 0.5- 1.0; zirconium 0.2-0.3; calcium 0.1-0.2; cerium 0.1-0.2; titanium carbide 0.3-0.4; zirconium carbide 0.1-0.2, and iron - the rest. Steel is used for cutters making. EFFECT: enhanced strength and cutting capability of steel, enhanced quality of cutter. 2 tbl