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2 044 063

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IPC

(21) (22)

Application

93036116/02, 1993-07-12

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Actual filing date

1993-07-12

(45)

Published

1995-09-20

(72)

Inventor

Lipukhin Ju.V.Kablukovskij A.F.Kamalov A.R.Jaburov S.I.Nikulin A.N.Bobkova O.S.Ermachenkov V.A.Agaryshev A.I.Chumakov S.M.Tishkov V.Ja.Gavrilenko Ju.V.D'Jakonova V.S.Kotrekhov V.A.Fomin V.S.Anisimov Ju.A.Mendekinov S.T.Molchanov O.E.Dulesov N.K.

(73)

Holder

Institut Metallurgicheskoj Tekhnologii

METHOD FOR MAKING LOW-ALLOYED STEEL WITH NIOBIUM Russian patent published in 1995 - IPC

Abstract RU 2044063 C1

FIELD: ferrous metallurgy. SUBSTANCE: introduced simultaneously into melt of killed steel are reducing agents and powdery material containing niobium oxide in form of mixture of niobium oxide with granulated calcium and material taken from group including aluminum, ferrosilicon, calcium-silicon with the following contents of components, mas. niobium oxide 54-66; calcium 9-25; the balance, material taken from group including aluminium, ferrosilicon, calcium-silicon. In this case, mixture is introduced into melt in the amount of (22-29)N kg/t of steel, where N is required content of niobium in finished steel, mass. EFFECT: higher efficiency. 6 cl, 2 tbl

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RU 2 044 063 C1

Authors

Lipukhin Ju.V.

Kablukovskij A.F.

Kamalov A.R.

Jaburov S.I.

Nikulin A.N.

Bobkova O.S.

Ermachenkov V.A.

Agaryshev A.I.

Chumakov S.M.

Tishkov V.Ja.

Gavrilenko Ju.V.

D'Jakonova V.S.

Kotrekhov V.A.

Fomin V.S.

Anisimov Ju.A.

Mendekinov S.T.

Molchanov O.E.

Dulesov N.K.

Dates

1995-09-20—Published

1993-07-12—Filed