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RU96117425A - METHOD FOR PRODUCING RAIL STEEL OF LOW-TEMPERATURE RELIABILITY IN ELECTRIC FURNACES - Google Patents

METHOD FOR PRODUCING RAIL STEEL OF LOW-TEMPERATURE RELIABILITY IN ELECTRIC FURNACES

Info

Publication number
RU96117425A
RU96117425A RU96117425/02A RU96117425A RU96117425A RU 96117425 A RU96117425 A RU 96117425A RU 96117425/02 A RU96117425/02 A RU 96117425/02A RU 96117425 A RU96117425 A RU 96117425A RU 96117425 A RU96117425 A RU 96117425A
Authority
RU
Russia
Prior art keywords
electric furnaces
low
rail steel
temperature reliability
producing rail
Prior art date
Application number
RU96117425/02A
Other languages
Russian (ru)
Other versions
RU2113504C1 (en
Inventor
В.Ф. Царев
В.И. Лебедев
А.В. Негода
М.В. Обшаров
В.В. Могильный
А.П. Данилов
Н.А. Козырев
Original Assignee
Акционерное общество "Кузнецкий металлургический комбинат"
Filing date
Publication date
Application filed by Акционерное общество "Кузнецкий металлургический комбинат" filed Critical Акционерное общество "Кузнецкий металлургический комбинат"
Priority to RU96117425A priority Critical patent/RU2113504C1/en
Priority claimed from RU96117425A external-priority patent/RU2113504C1/en
Application granted granted Critical
Publication of RU2113504C1 publication Critical patent/RU2113504C1/en
Publication of RU96117425A publication Critical patent/RU96117425A/en

Links

Claims (1)

Способ производства рельсовой стали в электропечах, включающий расплавление, окислительный и восстановительный периоды, отличающийся тем, что для повышения содержания азота в стали в восстановительный период производится раскисление шлака до содержания оксида железа в шлаке менее 3%, при общем количестве шлака менее 2%, с основностью более 2,0, причем выплавка стали осуществляется в данный период с продувкой металла азотом.A method of producing rail steel in electric furnaces, including melting, oxidizing and reducing periods, characterized in that to increase the nitrogen content in the steel during the recovery period, slag is deoxidized to an iron oxide content of less than 3% in the slag, with a total amount of slag of less than 2%, s basicity of more than 2.0, and steelmaking is carried out in this period with a metal purge with nitrogen.
RU96117425A 1996-08-29 1996-08-29 Method for production of rail steel in electric furnaces RU2113504C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96117425A RU2113504C1 (en) 1996-08-29 1996-08-29 Method for production of rail steel in electric furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96117425A RU2113504C1 (en) 1996-08-29 1996-08-29 Method for production of rail steel in electric furnaces

Publications (2)

Publication Number Publication Date
RU2113504C1 RU2113504C1 (en) 1998-06-20
RU96117425A true RU96117425A (en) 1998-11-27

Family

ID=20184956

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96117425A RU2113504C1 (en) 1996-08-29 1996-08-29 Method for production of rail steel in electric furnaces

Country Status (1)

Country Link
RU (1) RU2113504C1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2198228C2 (en) * 1999-02-22 2003-02-10 Открытое акционерное общество "Кузнецкий металлургический комбинат" Method of melting rail steel of high purity relative to nonmetallic inclusions in electric arc steel melting furnace
RU2197539C2 (en) * 1999-06-01 2003-01-27 Открытое акционерное общество "Кузнецкий металлургический комбинат" Method of making rail steel in electric arc furnaces
RU2197536C2 (en) * 2000-03-29 2003-01-27 Открытое акционерное общество "Кузнецкий металлургический комбинат" Method of making rail steel
RU2197535C2 (en) * 2000-03-29 2003-01-27 Открытое акционерное общество "Кузнецкий металлургический комбинат" Method of making steel in electric arc steel- melting furnace
RU2312902C1 (en) * 2006-02-10 2007-12-20 Открытое акционерное общество "Новокузнецкий металлургический комбинат" Method of refining rail steel in furnace-ladle
RU2350661C1 (en) * 2007-09-26 2009-03-27 Открытое акционерное общество "Новокузнецкий металлургический комбинат" Method for melting of rail steel in electric arc furnace

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