METHOD OF HEAT TREATMENT OF HIGH-SPEED STEELS WITH INTERMETALLIDE HARDENING Russian patent published in 2017 - IPC C21D9/22 C21D1/18 

Abstract RU 2634548 C1

FIELD: metallurgy.

SUBSTANCE: in the presented method, steel is hardened from temperature 850-860°C and subsequent tempering at 560-570°C for one hour, then hardening is carried out at temperature of 1200-1240°C and tempering at 590-600°C for two hours.

EFFECT: increase in strength, impact hardness and resistance.

3 dwg, 1 tbl

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RU 2 634 548 C1

Authors

Sobachkina Larisa Dzhumaevna

Butygin Viktor Borisovich

Dates

2017-10-31Published

2016-12-14Filed