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2 062 793

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C1

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IPC

(21) (22)

Application

95102089/02, 1995-02-13

(22)

Actual filing date

1995-02-13

(45)

Published

1996-06-27

(72)

Inventor

Gurkalov P.I.Mul'Ko G.N.Moskalenko V.A.Shafigin Z.K.Tolstenko S.A.Derevjanko A.I.Pavlov V.V.Shalamov A.V.Perel'Man L.D.Saraev Ju.A.Bagautdinov A.Ja.Stepashin A.M.Zyrjanov V.V.Vostrikov V.G.Progonov V.V.Tatarnikov V.V.Morozov Ju.D.Bitkov V.N.Matrosov Ju.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD OF MAKING ROLLED STOCK Russian patent published in 1996 - IPC

Abstract RU 2062793 C1

FIELD: metallurgy. SUBSTANCE: method of making rolled sheets comprises steps of melting steel with predetermined chemical content, treating metal in ladle, casting it to ingot molds with rate 0.1-0.5 t/s, austenization at temperature 1200-1350 C, rolling in blooming mill with percentage reduction 33-82 %, preliminary deformation with percentage reduction 15-97%, heat treatment of rolled piece and its final cooling up to temperature of environment. Variants of heat treatment and cooling processes are supposed. EFFECT: enhanced factors of low-temperature resilience and cold resistance upon maintaining the same strength of the metal. 9 cl

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RU 2 062 793 C1

Authors

Gurkalov P.I.

Mul'Ko G.N.

Moskalenko V.A.

Shafigin Z.K.

Tolstenko S.A.

Derevjanko A.I.

Pavlov V.V.

Shalamov A.V.

Perel'Man L.D.

Saraev Ju.A.

Bagautdinov A.Ja.

Stepashin A.M.

Zyrjanov V.V.

Vostrikov V.G.

Progonov V.V.

Tatarnikov V.V.

Morozov Ju.D.

Bitkov V.N.

Matrosov Ju.I.

Dates

1996-06-27—Published

1995-02-13—Filed

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