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(19)

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2 026 421

(13)

(51)

IPC

(21) (22)

Application

4949221/02, 1991-06-25

(22)

Actual filing date

1991-06-25

(45)

Published

1995-01-09

(72)

Inventor

Kobasko Nikolaj Ivanovich[Ua]Nikolaev Evgenij Dmitrievich[Ua]Zagorodnjaja Natal'Ja Stepanovna[Ua]

(73)

Holder

Institut Tekhnicheskoj Teplofiziki An Ukrainy

HARDENED MEDIUM FOR THERMIC WORKING OF STEEL ARTICLES Russian patent published in 1995 - IPC

Abstract RU 2026421 C1

FIELD: steel working. SUBSTANCE: hardened medium has, wt.-%: calcium nitrate 20-48; calcium hydroxide 0.01-0.15, and water - the rest. Use of proposed medium ensures to prevent corrosion of hardening metal and provide its high hardness. EFFECT: enhanced quality of medium. 2 tbl

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RU 2 026 421 C1

Authors

Kobasko Nikolaj Ivanovich[Ua]

Nikolaev Evgenij Dmitrievich[Ua]

Zagorodnjaja Natal'Ja Stepanovna[Ua]

Dates

1995-01-09—Published

1991-06-25—Filed