METHOD FOR CHEMICAL AND HEAT TREATMENT OF INSTRUMENTAL STEEL Russian patent published in 1997 - IPC

Abstract RU 2093604 C1

FIELD: metallurgy, particularly, chemical and heat treatment; machine building. SUBSTANCE: instrumental steel is affected by saturation which takes place at 440-570 C in special composition. Said composition comprises, mas.%: carbamide, 40-96; iodine, 0.1-0.4; alcohol, the balance. EFFECT: improved efficiency of the method. 2 tbl

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RU 2 093 604 C1

Authors

Latyshev V.N.

Kotkov Ju.K.

Naumov A.G.

Onoshin N.M.

Kulikov M.Ju.

Dates

1997-10-20—Published

1995-07-06—Filed