METHOD FOR THERMAL TREATMENT OF HIGH-SPEED STEELS Russian patent published in 1994 - IPC

Abstract RU 2015181 C1

FIELD: metallurgy. SUBSTANCE: tool is cooled to 80-150 C during hardening. Its heating to 600-640 C is carried out after partially austenite transformation. If cooling is carried out to 80-110 C then tempering is carried out at 600-620 C; if cooling to 110-150 C takes place then tempering is carried out at 620-640 C. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 015 181 C1

Authors

Eremin A.I.

Kremnev L.S.

Adaskin A.M.

Ioffe G.A.

Mishukov S.S.

Dates

1994-06-30—Published

1990-10-25—Filed