RU2007112249A - METHOD FOR PRODUCING STRIPS FROM LOW-ALLOYED STEEL - Google Patents

METHOD FOR PRODUCING STRIPS FROM LOW-ALLOYED STEEL Download PDF

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Publication number
RU2007112249A
RU2007112249A RU2007112249/02A RU2007112249A RU2007112249A RU 2007112249 A RU2007112249 A RU 2007112249A RU 2007112249/02 A RU2007112249/02 A RU 2007112249/02A RU 2007112249 A RU2007112249 A RU 2007112249A RU 2007112249 A RU2007112249 A RU 2007112249A
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RU
Russia
Prior art keywords
temperature
strips
low
peals
allowance
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RU2007112249/02A
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Russian (ru)
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RU2353441C2 (en
Inventor
Николай Борисович Скорохватов (RU)
Николай Борисович Скорохватов
Александр Анатольевич Немтинов (RU)
Александр Анатольевич Немтинов
Геннадий Александрович Махов (RU)
Геннадий Александрович Махов
Александр Иванович Трайно (RU)
Александр Иванович Трайно
Александр Васильевич Голованов (RU)
Александр Васильевич Голованов
Иль Владимирович Пучковский (RU)
Илья Владимирович Пучковский
Original Assignee
Открытое акционерное общество "Северсталь" (ОАО "Северсталь") (RU)
Открытое акционерное общество "Северсталь" (ОАО "Северсталь")
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Application filed by Открытое акционерное общество "Северсталь" (ОАО "Северсталь") (RU), Открытое акционерное общество "Северсталь" (ОАО "Северсталь") filed Critical Открытое акционерное общество "Северсталь" (ОАО "Северсталь") (RU)
Priority to RU2007112249/02A priority Critical patent/RU2353441C2/en
Publication of RU2007112249A publication Critical patent/RU2007112249A/en
Application granted granted Critical
Publication of RU2353441C2 publication Critical patent/RU2353441C2/en

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Claims (2)

1. Способ производства штрипсов из низколегированной стали для газопроводных труб, включающий нагрев заготовок, многопроходную черновую и чистовую прокатку на толстолистовом реверсивном стане с подстуживанием раскатов на воздухе перед чистовой прокаткой, и охлаждение штрипсов, отличающийся тем, что перед нагревом заготовку изготавливают порезкой сляба с припуском на обрезку, причем припуск определяют с учетом получения дополнительной пары листов товарного размерного сортамента, вырезаемых из концов штрипса.1. Method for the production of strips of low alloy steel for gas pipes, including heating the workpieces, multi-pass roughing and finishing rolling on a plate reversing mill with stirring peals in the air before finishing rolling, and cooling the strips, characterized in that before heating the workpiece is made by cutting a slab with allowance to trim, and the allowance is determined taking into account the receipt of an additional pair of sheets of commodity size assortment, cut from the ends of the strip. 2. Способ по п.1, отличающийся тем, что нагрев заготовок ведут до температуры не ниже 950°С, раскаты подстуживают до температуры 720-760°С, чистовую прокатку ведут с суммарным обжатием не менее 65% и завершают при температуре 680-710°С, а охлаждение штрипсов осуществляют водой до температуры 580-610°С.2. The method according to claim 1, characterized in that the workpieces are heated to a temperature of at least 950 ° C, the peals are cooled to a temperature of 720-760 ° C, the finish rolling is performed with a total compression of at least 65% and completed at a temperature of 680-710 ° C, and the cooling strips carried out with water to a temperature of 580-610 ° C.
RU2007112249/02A 2007-04-02 2007-04-02 Manufacturing method of candies from low-alloy steel RU2353441C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007112249/02A RU2353441C2 (en) 2007-04-02 2007-04-02 Manufacturing method of candies from low-alloy steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007112249/02A RU2353441C2 (en) 2007-04-02 2007-04-02 Manufacturing method of candies from low-alloy steel

Publications (2)

Publication Number Publication Date
RU2007112249A true RU2007112249A (en) 2008-10-10
RU2353441C2 RU2353441C2 (en) 2009-04-27

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RU2007112249/02A RU2353441C2 (en) 2007-04-02 2007-04-02 Manufacturing method of candies from low-alloy steel

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RU (1) RU2353441C2 (en)

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Publication number Publication date
RU2353441C2 (en) 2009-04-27

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