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2 413 775

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(51)

IPC

C21C7/00(2006-01-01)

(21) (22)

Application

2009128836/02, 2009-07-27

(24)

Start date

2009-07-27

(22)

Actual filing date

2009-07-27

(45)

Published

2011-03-10

(72)

Inventor

Zjuban Nikolaj AleksandrovichKrjuchkov Oleg BorisovichRutskij Dmitrij VladimirovichShevtsova Ol'Ga AlekseevnaLetnikov Maksim NikolaevichKharlanov Aleksandr Ivanovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

PROCEDURE FOR MODIFICATION AND DEOXIDATION OF CASTING ELECTRIC STEEL Russian patent published in 2011 - IPC C21C7/00

Abstract RU 2413775 C1

FIELD: metallurgy.

SUBSTANCE: procedure consists in finish de-oxidation and modification of metal with silicocalcium. Finish de-oxidation is carried out with aluminium in form of wire at amount of 0.4-0.6 kg/t of steel in stream at casting metal into moulds. Further, metal is modified with silicocalcium in form of powder at amount of 0.9-1.1 kg/t of steel.

EFFECT: upgraded process properties of electric steel due to decreased non-metallic inclusions in steel.

1 dwg, 2 tbl, 1 ex

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RU 2 413 775 C1

Authors

Zjuban Nikolaj Aleksandrovich

Krjuchkov Oleg Borisovich

Rutskij Dmitrij Vladimirovich

Shevtsova Ol'Ga Alekseevna

Letnikov Maksim Nikolaevich

Kharlanov Aleksandr Ivanovich

Dates

2011-03-10—Published

2009-07-27—Filed