METHOD OF HEAT TREATMENT OF LOW-ALLOYED PERLITE HYPEREUTECTOID STEEL Russian patent published in 1994 - IPC

Abstract RU 2016092 C1

FIELD: metal working. SUBSTANCE: method comprises two stages of chilling and tempering; carrying out first chilling stage from temperature, being by 90 ± 3 C higher, than temperature of α-γ transition; heating for second stage of chilling with a rate, consisting 33-35 C/min and more till temperature value, being by (70 ± 3)C higher, than temperature of α → γ transition. EFFECT: enhanced quality of treated steels. 1 cl

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RU 2 016 092 C1

Authors

Khazanov I.O.

Maksumov B.I.

Fomin N.I.

Dates

1994-07-15—Published

1991-11-25—Filed