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2 066 692

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C1

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IPC

(21) (22)

Application

94040130/02, 1994-10-28

(22)

Actual filing date

1994-10-28

(45)

Published

1996-09-20

(72)

Inventor

Khrebin V.N.Sukhanov Ju.F.Safonov I.V.Nyrkov N.I.Filjashin M.K.Lebedev V.I.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF ALLOYING LOW-CARBON STEEL BY ALUMINIUM Russian patent published in 1996 - IPC

Abstract RU 2066692 C1

FIELD: metallurgy, namely treatment of melt steel in steel casting ladle. SUBSTANCE: method comprises steps of pouring steel from steel melting aggregate to steel casting ladle; determining carbon content in steel, measuring metal temperature; introducing aluminium to steel, blowing metal by neutral gas, introducing aluminium to steel by two doses in such a way, that first dose of aluminium is being introduced after temperature measuring in quantity 1.0-1.4 kg/t of steel, second dose is being introduced after secondary temperature measuring in quantity, determined according to relation M= (0.02-0.09)Δt, where M-quantity of second dose of aluminium, kg/t of steel; Δt-increased of steel temperature after introduction of first dose of aluminium, C; (0.02-0.09) empirical factor, taking into account intensity of steel killing, kg/t C. EFFECT: enhanced quality of alloyed steel. 1 cl

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RU 2 066 692 C1

Authors

Khrebin V.N.

Sukhanov Ju.F.

Safonov I.V.

Nyrkov N.I.

Filjashin M.K.

Lebedev V.I.

Dates

1996-09-20—Published

1994-10-28—Filed

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