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2 048 539

(13)

C1

(51)

IPC

(21) (22)

Application

5043557/02, 1992-05-22

(22)

Actual filing date

1992-05-22

(45)

Published

1995-11-20

(72)

Inventor

Chejljakh Aleksandr Petrovich[Ua]

(73)

Holder

Mariupol'Skij Metallurgicheskij Institut

CHROME-MANGANESE STEELS TREATMENT METHOD Russian patent published in 1995 - IPC

Abstract RU 2048539 C1

FIELD: metallurgy, martensite austenite class steels treatment. SUBSTANCE: method provides for hardening, low-temperature tempering and preliminary cold deformation by torsion with degrees of 5 15 exercised reversibly to deformation occurred during tests or in operation. EFFECT: increased strength and ductility properties of steel. 1 tbl

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RU 2 048 539 C1

Authors

Chejljakh Aleksandr Petrovich[Ua]

Dates

1995-11-20—Published

1992-05-22—Filed

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