QUICK-CUTTING STEEL Russian patent published in 2002 - IPC

Abstract RU 2194792 C2

FIELD: metallurgy. SUBSTANCE: quick-cutting steel comprises following components used in the ratio of, wt%: carbon 0.95-1.2; manganese 0.4-0.5; silicon 0.3-0.6; sulfur 0.0015-0.025; phosphor 0.025-0.020; chromium 3.8-4.3; nickel 0.3-0.5; tungsten 17.0-18.0; vanadium 1.0-2.0; molybdenum 0.8-1.0; zirconium 1.9-2.0; nitrogen 2.1-2.2; iron the balance. Quick-cutting steel is free from alloying element-cobalt and is used for manufacture of metal cutting tools and hot deformation dies. EFFECT: increased operational strength by enhanced red hardness and reduced manufacture cost. 1 tbl, 1 ex

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RU 2 194 792 C2

Authors

Il'In S.S.

Volkov E.D.

Grishin D.I.

Savchenko O.V.

Dates

2002-12-20—Published

2000-11-22—Filed