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1 777 357

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A1

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IPC

(21) (22)

Application

4890662/02, 1990-12-14

(22)

Actual filing date

1990-12-14

(45)

Published

1995-09-20

(72)

Inventor

Nakonechnyj A.Ja.Romanenko V.I.Zajtsev A.Ju.Kadintsev S.E.Ajzatulov R.S.Gal'Perin G.S.Seleznev Ju.A.Lipen' V.V.

METHOD FOR STEEL TREATMENT Russian patent published in 1995 - IPC

Abstract SU 1777357 A1

FIELD: metallurgy. SUBSTANCE: material containing oxides of iron and manganese in ratio of (0.8-1.2):1 is fed in the amount of 18-20 kg/t, and reducing agent in form of siftings of aluminium-magnesium powder in the amount of 3.8-4.1 kg/t of treated steel is supplied in jet of neutral gas. EFFECT: higher quality of steel due to reduced content of sulfur and higher degree of manganese recovery in converter steel making. 1 tbl

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SU 1 777 357 A1

Authors

Nakonechnyj A.Ja.

Romanenko V.I.

Zajtsev A.Ju.

Kadintsev S.E.

Ajzatulov R.S.

Gal'Perin G.S.

Seleznev Ju.A.

Lipen' V.V.

Dates

1995-09-20—Published

1990-12-14—Filed

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