METHOD OF STRENGTHENING LOW-CARBON STEELS Russian patent published in 1997 - IPC

Abstract RU 2094485 C1

FIELD: metal working. SUBSTANCE: steel parts are put into iron box with solid carburizer and heated to 930 C. Cementation is conducted to 1 mm depth. Parts are cooled in boxes under air atmosphere to 680-550 C, kept for 0.3-0.5 h at this temperature, heated to 800-820 C, and quenched. EFFECT: increased durability of parts, speeded up production, and improved operational conditions. 2 cl, 1 tbl

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RU 2 094 485 C1

Authors

Eremin A.I.

Barsukova O.V.

Dates

1997-10-27—Published

1995-12-05—Filed