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2 309 181

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(51)

IPC

C21C5/00(2006-01-01)

(21) (22)

Application

2006103764/02, 2006-02-08

(24)

Start date

2006-02-08

(22)

Actual filing date

2006-02-08

(45)

Published

2007-10-27

(72)

Inventor

Dubina Jurij Grigor'EvichTkachuk Galina AleksandrovnaRomanovskaja Natal'Ja Grigor'EvnaMushkin Aleksandr Semenovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD FOR MELTING OF VANADIUM-CONTAINING STEEL Russian patent published in 2007 - IPC C21C5/00

Abstract RU 2309181 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to a method for melting of vanadium-containing steel. Method involves melting of metal charge, refinement of smelt and addition of vanadium-containing materials, reducing agent and cryolite to its in the following their ratio = 1:(0.3-0.4):(0.008-0.013), respectively. Reducing agent is chosen from the following order: Al, Si, Mg, Ca. Invention provides enhancing flowability of lime-alumina component of vanadium-containing materials to be added that results to enhancing reduction of vanadium and provides the enhanced quality of direct alloying steel.

EFFECT: improved melting method.

4 cl, 1 ex

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RU 2 309 181 C1

Authors

Dubina Jurij Grigor'Evich

Tkachuk Galina Aleksandrovna

Romanovskaja Natal'Ja Grigor'Evna

Mushkin Aleksandr Semenovich

Dates

2007-10-27—Published

2006-02-08—Filed