RU96116385A - METHOD FOR PRODUCING ANISOTROPIC ELECTRICAL STEEL - Google Patents

METHOD FOR PRODUCING ANISOTROPIC ELECTRICAL STEEL

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Publication number
RU96116385A
RU96116385A RU96116385/02A RU96116385A RU96116385A RU 96116385 A RU96116385 A RU 96116385A RU 96116385/02 A RU96116385/02 A RU 96116385/02A RU 96116385 A RU96116385 A RU 96116385A RU 96116385 A RU96116385 A RU 96116385A
Authority
RU
Russia
Prior art keywords
heating
carried out
electrical steel
final
anisotropic electrical
Prior art date
Application number
RU96116385/02A
Other languages
Russian (ru)
Other versions
RU2137849C1 (en
Inventor
М.Б. Цырлин
Л.Б. Казаджан
С.К. Носов
Р.Ф. Шарипов
А.Д. Носов
М.Л. Лобанов
Original Assignee
Общество с ограниченной ответственностью Научно-производственное предприятие "ЭСТА"
Filing date
Publication date
Application filed by Общество с ограниченной ответственностью Научно-производственное предприятие "ЭСТА" filed Critical Общество с ограниченной ответственностью Научно-производственное предприятие "ЭСТА"
Priority to RU96116385A priority Critical patent/RU2137849C1/en
Priority claimed from RU96116385A external-priority patent/RU2137849C1/en
Publication of RU96116385A publication Critical patent/RU96116385A/en
Application granted granted Critical
Publication of RU2137849C1 publication Critical patent/RU2137849C1/en

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Claims (4)

1. Способ производства анизотропной электротехнической стали, содержащей 0,008-0,028% Al, с высокой магнитной индукцией и низкими удельными потерями, включающий выплавку, горячую прокатку, обезуглероживание, 2-кратную холодную прокатку, замедленный нагрев в интервале первичной рекристаллизации и заключительный высокотемпературный отжиг, отличающийся тем, что температуру нагрева под горячую прокатку Tн устанавливают в зависимости от содержания Al в стали по соотношению Tн=1190+4•103% Al±10oC, смотку осуществляют при 520-570oC, а замедленный нагрев проводят после заключительной холодной прокатки со скоростью 5-15o/ч. в интервале температур 400-700oC.1. Method for the production of anisotropic electrical steel containing 0.008-0.028% Al, with high magnetic induction and low specific losses, including smelting, hot rolling, decarburization, 2-fold cold rolling, delayed heating in the primary recrystallization interval and final high-temperature annealing, characterized the fact that the heating temperature for hot rolling T n is set depending on the Al content in the steel according to the ratio T n = 1190 + 4 • 10 3 % Al ± 10 o C, winding is carried out at 520-570 o C, and slow heating is performed lead after the final cold rolling at a speed of 5-15 o / h in the temperature range 400-700 o C. 2. Способ по п.1, отличающийся тем, что замедленный нагрев проводят в процессе высокотемпературного отжига или специальной термической обработки (старения). 2. The method according to claim 1, characterized in that the delayed heating is carried out during the high-temperature annealing or special heat treatment (aging). 3. Способ по пп.1 и 2, отличающийся тем, что обезуглероживание проводят на стадии выплавки, либо при термической обработке подката в исходной, промежуточной или конечной толщине. 3. The method according to claims 1 and 2, characterized in that decarburization is carried out at the smelting stage, or during heat treatment of the rolled stock in the initial, intermediate or final thickness. 4. Способ по пп.1-3, отличающийся тем, что в сталь добавляют 0,4-0,7% Cu. 4. The method according to claims 1 to 3, characterized in that 0.4-0.7% Cu is added to the steel.
RU96116385A 1996-08-07 1996-08-07 Process for production of anisotropic electric steel RU2137849C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96116385A RU2137849C1 (en) 1996-08-07 1996-08-07 Process for production of anisotropic electric steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96116385A RU2137849C1 (en) 1996-08-07 1996-08-07 Process for production of anisotropic electric steel

Publications (2)

Publication Number Publication Date
RU96116385A true RU96116385A (en) 1998-11-27
RU2137849C1 RU2137849C1 (en) 1999-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96116385A RU2137849C1 (en) 1996-08-07 1996-08-07 Process for production of anisotropic electric steel

Country Status (1)

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RU (1) RU2137849C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20110528A1 (en) * 2011-10-05 2013-04-06 Ct Sviluppo Materiali Spa PROCEDURE FOR THE PRODUCTION OF MAGNETIC SHEET WITH ORIENTED GRAIN AND HIGH DEGREE OF COLD REDUCTION.
RU2701606C1 (en) * 2019-04-29 2019-09-30 Общество с ограниченной ответственностью "ВИЗ-Сталь" Method for production of anisotropic electrical steel with high permeability

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