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2 027 774

(13)

C1

(51)

IPC

(21) (22)

Application

92012244/02, 1992-12-15

(22)

Actual filing date

1992-12-15

(45)

Published

1995-01-27

(72)

Inventor

Spirtus M.A.Pukhov A.P.Belkin A.S.Tsejtlin M.A.Murat S.G.Sitnov A.G.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju

CHARGE MATERIAL Russian patent published in 1995 - IPC

Abstract RU 2027774 C1

FIELD: ferrous metallurgy. SUBSTANCE: charge material has iron-containing and mineral components which were taken at the following ratio, wt.-%: iron-containing components 60-93; mineral components 7-40. Iron-containing components have the following chemical composition, wt.-%: carbon 2.2-5.0; manganese 0.2-1.2; silicon 0.5-3.0; phosphorus 0.04-0.14; sulfur 0.008-0.07, and iron - the rest. Mineral components have the following chemical composition, wt. -%: CaO 40-43; SiO2 38-42; MgO 7-9; Al2O3 8-11; MnO 0.1-0.4; FeO 0.23-0.3, and S 0.7-1.3. Charge material can has additionally graphite at the following ratio of components, wt.-%: mineral components 7-38; graphite 0.2-3.5, and iron-containing components 60-92.8. EFFECT: enhanced quality of charge material. 4 cl, 1 tbl

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RU 2 027 774 C1

Authors

Spirtus M.A.

Pukhov A.P.

Belkin A.S.

Tsejtlin M.A.

Murat S.G.

Sitnov A.G.

Dates

1995-01-27—Published

1992-12-15—Filed

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