RU2007110144A - METHOD FOR PRODUCING ROLLS OF HOT-ROLLED TUBE STEEL - Google Patents

METHOD FOR PRODUCING ROLLS OF HOT-ROLLED TUBE STEEL Download PDF

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Publication number
RU2007110144A
RU2007110144A RU2007110144/02A RU2007110144A RU2007110144A RU 2007110144 A RU2007110144 A RU 2007110144A RU 2007110144/02 A RU2007110144/02 A RU 2007110144/02A RU 2007110144 A RU2007110144 A RU 2007110144A RU 2007110144 A RU2007110144 A RU 2007110144A
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RU
Russia
Prior art keywords
cooling
hot
rolling
mill
strip surface
Prior art date
Application number
RU2007110144/02A
Other languages
Russian (ru)
Other versions
RU2350411C2 (en
Inventor
Сергей Владимирович Денисов (RU)
Сергей Владимирович Денисов
Павел Николаевич Смирнов (RU)
Павел Николаевич Смирнов
Эдуард Михайлович Голубчик (RU)
Эдуард Михайлович Голубчик
Валерий Петрович Торохтий (RU)
Валерий Петрович Торохтий
Игорь Владимирович Казаков (RU)
Игорь Владимирович Казаков
Original Assignee
Открытое акционерное общество "Магнитогорский металлургический комбинат" (RU)
Открытое акционерное общество "Магнитогорский металлургический комбинат"
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Application filed by Открытое акционерное общество "Магнитогорский металлургический комбинат" (RU), Открытое акционерное общество "Магнитогорский металлургический комбинат" filed Critical Открытое акционерное общество "Магнитогорский металлургический комбинат" (RU)
Priority to RU2007110144/02A priority Critical patent/RU2350411C2/en
Publication of RU2007110144A publication Critical patent/RU2007110144A/en
Application granted granted Critical
Publication of RU2350411C2 publication Critical patent/RU2350411C2/en

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Claims (1)

Способ производства рулонов горячекатаной трубной стали, преимущественно с содержанием углерода 0,07-0,14% и толщиной 10-16 мм, включающий нагрев сляба под горячую прокатку, прокатку его в черновой и чистовой непрерывной группах клетей широкополосного стана с межклетевым охлаждением поверхности полосы водой и с температурой конца прокатки 800-840°С, охлаждение полосы водой на отводящем рольганге с последующей смоткой в рулон, отличающийся тем, что температуру конца прокатки устанавливают для полос толщиной от 10 до 12 мм включительно 815-845°С, для полос толщиной свыше 12 до 16 мм включительно устанавливают 760-800°С, при этом в межклетевых промежутках чистовой группы стана регулируют интенсивность охлаждения поверхности полосы путем изменения скорости ее охлаждения, которую определяют из выраженияA method for the production of coils of hot-rolled pipe steel, mainly with a carbon content of 0.07-0.14% and a thickness of 10-16 mm, comprising heating a slab for hot rolling, rolling it in rough and finish continuous groups of stands of a broadband mill with intercell cooling of the strip surface with water and with a temperature of the end of rolling 800-840 ° C, cooling the strip with water on the discharge roller table, followed by winding into a roll, characterized in that the temperature of the end of rolling is set for strips with a thickness of 10 to 12 mm inclusively 815-845 ° C, for los from 12 to 16 mm inclusive mounted 760-800 ° C, with a finishing mill interstand spacing group regulate the intensity of the cooling of the strip surface by changing the speed of its cooling, which is determined from the expression V=1,94·Ln(N)+3,52,V = 1.94 Ln (N) +3.52, где V - скорость охлаждения поверхности полосы, град/с;where V is the cooling rate of the strip surface, deg / s; N - номер межклетевого промежутка чистовой группы стана.N is the number of the inter-span gap of the finishing group of the mill.
RU2007110144/02A 2007-03-19 2007-03-19 Manufacturing method of hot-rolled pipe steel rolls RU2350411C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007110144/02A RU2350411C2 (en) 2007-03-19 2007-03-19 Manufacturing method of hot-rolled pipe steel rolls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007110144/02A RU2350411C2 (en) 2007-03-19 2007-03-19 Manufacturing method of hot-rolled pipe steel rolls

Publications (2)

Publication Number Publication Date
RU2007110144A true RU2007110144A (en) 2008-09-27
RU2350411C2 RU2350411C2 (en) 2009-03-27

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RU2007110144/02A RU2350411C2 (en) 2007-03-19 2007-03-19 Manufacturing method of hot-rolled pipe steel rolls

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2455088C2 (en) * 2010-10-07 2012-07-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Method of producing hot-rolled low-alloy steel reels
RU2499638C1 (en) * 2012-08-21 2013-11-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Strip hot rolling

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Publication number Publication date
RU2350411C2 (en) 2009-03-27

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