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RU2002121998A - METHOD FOR PRODUCING ISOTROPIC ELECTRICAL STEEL - Google Patents

METHOD FOR PRODUCING ISOTROPIC ELECTRICAL STEEL

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Publication number
RU2002121998A
RU2002121998A RU2002121998/02A RU2002121998A RU2002121998A RU 2002121998 A RU2002121998 A RU 2002121998A RU 2002121998/02 A RU2002121998/02 A RU 2002121998/02A RU 2002121998 A RU2002121998 A RU 2002121998A RU 2002121998 A RU2002121998 A RU 2002121998A
Authority
RU
Russia
Prior art keywords
electrical steel
isotropic electrical
producing isotropic
phosphorus
ratio
Prior art date
Application number
RU2002121998/02A
Other languages
Russian (ru)
Other versions
RU2230801C2 (en
Inventor
Владимир Петрович Настич
Борис Игоревич Миндлин
Александр Егорович Чеглов
Анатолий Григорьевич Гвоздев
Виктор Васильевич Логунов
Владимир Алексеевич Барыбин
Original Assignee
Открытое акционерное общество "Новолипецкий металлургический комбинат"
Filing date
Publication date
Application filed by Открытое акционерное общество "Новолипецкий металлургический комбинат" filed Critical Открытое акционерное общество "Новолипецкий металлургический комбинат"
Priority to RU2002121998/02A priority Critical patent/RU2230801C2/en
Priority claimed from RU2002121998/02A external-priority patent/RU2230801C2/en
Publication of RU2002121998A publication Critical patent/RU2002121998A/en
Application granted granted Critical
Publication of RU2230801C2 publication Critical patent/RU2230801C2/en

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Claims (1)

Способ производства изотропной электротехнической стали, включающий выплавку, горячую прокатку, травление, холодную прокатку, обезуглероживающе-рекристаллизационный отжиг, отличающийся тем, что после горячей прокатки при выходе полосы из чистовой клети проводят ее охлаждение на воздухе до начала душирования водой со временем, устанавливаемым из соотношенияA method for the production of isotropic electrical steel, including smelting, hot rolling, pickling, cold rolling, decarburization-recrystallization annealing, characterized in that after hot rolling, when the strip exits the finishing stand, it is cooled in air before being chilled with water with a time established by the ratio τ=3,25+7,7[Si,%]-87[Р,%]±2 с,τ = 3.25 + 7.7 [Si,%] - 87 [P,%] ± 2 s, при содержании кремния 1,4-2,75% и фосфора 0,05-0,15%, а температуру рекристаллизационного отжига холоднокатаного металла определяют из соотношенияwhen the content of silicon is 1.4-2.75% and phosphorus 0.05-0.15%, and the temperature of recrystallization annealing of cold-rolled metal is determined from the ratio
Figure 00000001
Figure 00000001
 при содержании кремния 1,4-2,75% и фосфора 0,05-0,15%.with a silicon content of 1.4-2.75% and phosphorus 0.05-0.15%.
RU2002121998/02A 2002-08-12 2002-08-12 Method for producing isotropic electrical steel RU2230801C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002121998/02A RU2230801C2 (en) 2002-08-12 2002-08-12 Method for producing isotropic electrical steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002121998/02A RU2230801C2 (en) 2002-08-12 2002-08-12 Method for producing isotropic electrical steel

Publications (2)

Publication Number Publication Date
RU2002121998A true RU2002121998A (en) 2004-04-10
RU2230801C2 RU2230801C2 (en) 2004-06-20

Family

ID=32845966

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002121998/02A RU2230801C2 (en) 2002-08-12 2002-08-12 Method for producing isotropic electrical steel

Country Status (1)

Country Link
RU (1) RU2230801C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2288282C1 (en) * 2005-04-22 2006-11-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" (ОАО "НЛМК") Method of production of cold-rolled semi-finished and finished strips from isotropic electrical steels
RU2413007C1 (en) * 2009-07-13 2011-02-27 Государственное образовательное учреждение Высшего профессионального образования Липецкий государственный технический университет (ГОУ ВПО ЛГТУ) Procedure for production of strips of electro-technical isotropic steel with improved properties
JP5712491B2 (en) * 2010-03-12 2015-05-07 Ｊｆｅスチール株式会社 Method for producing grain-oriented electrical steel sheet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2149194C1 (en) * 1998-06-01 2000-05-20 Акционерное общество "Новолипецкий металлургический комбинат" Method of producing isotropic electrical-sheet steel
RU2133285C1 (en) * 1998-06-09 1999-07-20 Акционерное общество "Новолипецкий металлургический комбинат" Method of isotropic electrical steel production
RU2155234C1 (en) * 1999-06-28 2000-08-27 Открытое акционерное общество "Новолипецкий металлургический комбинат" Method of production of isotropic electrical-sheet steel

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