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

1995-01-09Published

1991-06-25Filed