RU2021134243A - Method for the production of cold-rolled electrical isotropic steel - Google Patents

Method for the production of cold-rolled electrical isotropic steel Download PDF

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Publication number
RU2021134243A
RU2021134243A RU2021134243A RU2021134243A RU2021134243A RU 2021134243 A RU2021134243 A RU 2021134243A RU 2021134243 A RU2021134243 A RU 2021134243A RU 2021134243 A RU2021134243 A RU 2021134243A RU 2021134243 A RU2021134243 A RU 2021134243A
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RU
Russia
Prior art keywords
cold
production
steel
rolled electrical
isotropic steel
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RU2021134243A
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Russian (ru)
Inventor
Сергей Васильевич Бахтин
Николай Петрович Удовенко
Алексей Анатольевич Уваркин
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Публичное Акционерное Общество "Новолипецкий металлургический комбинат"
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Publication of RU2021134243A publication Critical patent/RU2021134243A/en

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Способ производства холоднокатаной электротехнической изотропной стали, включающий выплавку стали, вакуумирование (при необходимости), непрерывную разливку стали в слябы, горячую прокатку, нормализационный отжиг (при необходимости), травление, холодную прокатку и окончательный обезуглероживающе-рекристаллизационный или рекристаллизационный отжиг, отличающийся тем, что нагрев до температуры отжига осуществляют со скоростью 25-99°С/с.A method for the production of cold-rolled electrical isotropic steel, including steel smelting, evacuation (if necessary), continuous casting of steel into slabs, hot rolling, normalization annealing (if necessary), pickling, cold rolling and final decarburizing-recrystallization or recrystallization annealing, characterized in that heating to the annealing temperature is carried out at a rate of 25-99°C/s.
RU2021134243A 2021-11-23 Method for the production of cold-rolled electrical isotropic steel RU2021134243A (en)

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RU2021134243A true RU2021134243A (en) 2023-05-23

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