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IPC

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Application

96109428/02, 1996-05-06

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Actual filing date

1996-05-06

(45)

Published

1998-05-27

(72)

Inventor

Kuznetsov I.S.Bukhteev V.G.Safronov A.A.Bespalov V.N.Zhil'Nio P.V.Bezgachev A.I.Karamyshev B.G.Rubtsov Ju.T.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Metallurgicheskij Kombinat"

METHOD OF MAKING SLABS OF KILLED, SEMIKILLED AND RIMMING CARBONACEOUS STEELS Russian patent published in 1998 - IPC

Abstract RU 2111804 C1

FIELD: rolled stock production, namely manufacture of slabs of carbonaceous killed, semikilled and rimming steels. SUBSTANCE: method comprises steps of melting and casting steel to ingot molds; before rolling heating ingot from 400-965 C up to 1240-1310 C for 4.5-11.67 hours; subsequently rolling it by several stages in straight and edging passes; in edging passes rolling ingots with total reduction of side of ingot equal to 31-57% with individual reduction values at first stage consisting 9-20% of total reduction and at subsequent stages - 21-28% of said total reduction. EFFECT: enhanced efficiency. 1 tbl

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RU 2 111 804 C1

Authors

Kuznetsov I.S.

Bukhteev V.G.

Safronov A.A.

Bespalov V.N.

Zhil'Nio P.V.

Bezgachev A.I.

Karamyshev B.G.

Rubtsov Ju.T.

Dates

1998-05-27—Published

1996-05-06—Filed