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2 635 493

(13)

(51)

IPC

C21C7/00(2006-01-01)

C21C7/10(2006-01-01)

(21) (22)

Application

2016112849, 2016-04-04

(24)

Start date

2016-04-04

(22)

Actual filing date

2016-04-04

(45)

Published

2017-11-13

(72)

Inventor

Maltsev Andrej BorisovichNikonov Sergej ViktorovichZhironkin Mikhail ValerevichGrabishevskij Denis AntonievichChudakov Ivan Borisovich

(73)

Holder

Publichnoe Aktsionernoe Obshchestvo

METHOD FOR PRODUCING LOW-CARBON STEEL Russian patent published in 2017 - IPC C21C7/00 C21C7/10

Abstract RU 2635493 C2

FIELD: metallurgy.

SUBSTANCE: method comprises metal smelting in a steel making unit, release of metal into a ladle, secondary refining, including vacuum decarburization, and steel teeming. During or after vacuum decarburization, aluminium feeding to its content in steel of not less than 2.5% is carried out, while the basicity of the slag of more than 5 is ensured.

EFFECT: invention allows to obtain low-carbon steel with a low content of non-metallic inclusions and high damping properties with casting on steel continuous casting plants and ensuring stability of the casting process in order to avoid tightening of the submerged entry nozzles.

11 cl, 2 tbl

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RU 2 635 493 C2

Authors

Maltsev Andrej Borisovich

Nikonov Sergej Viktorovich

Zhironkin Mikhail Valerevich

Grabishevskij Denis Antonievich

Chudakov Ivan Borisovich

Dates

2017-11-13—Published

2016-04-04—Filed