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RU2007112250A - METHOD FOR PRODUCING STRIPS - Google Patents

METHOD FOR PRODUCING STRIPS Download PDF

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Publication number
RU2007112250A
RU2007112250A RU2007112250/02A RU2007112250A RU2007112250A RU 2007112250 A RU2007112250 A RU 2007112250A RU 2007112250/02 A RU2007112250/02 A RU 2007112250/02A RU 2007112250 A RU2007112250 A RU 2007112250A RU 2007112250 A RU2007112250 A RU 2007112250A
Authority
RU
Russia
Prior art keywords
temperature
slabs
strips
vanadium
manganese
Prior art date
Application number
RU2007112250/02A
Other languages
Russian (ru)
Other versions
RU2348703C2 (en
Inventor
Александр Анатольевич Немтинов (RU)
Александр Анатольевич Немтинов
Сергей Сергеевич Торопов (RU)
Сергей Сергеевич Торопов
Евгений Сергеевич Попов (RU)
Евгений Сергеевич Попов
Александр Васильевич Голованов (RU)
Александр Васильевич Голованов
Андрей Борисович Мальцев (RU)
Андрей Борисович Мальцев
Николай Владимирович Филатов (RU)
Николай Владимирович Филатов
кова Наталь Евгеньевна Росл (RU)
Наталья Евгеньевна Рослякова
Тамара Викторовна Тетюева (RU)
Тамара Викторовна Тетюева
Семен Викторович Ефимов (RU)
Семен Викторович Ефимов
тин Андрей Борисович Л (RU)
Андрей Борисович Лятин
Александр Иванович Трайно (RU)
Александр Иванович Трайно
Original Assignee
Открытое акционерное общество "Северсталь" (ОАО "Северсталь") (RU)
Открытое акционерное общество "Северсталь" (ОАО "Северсталь")
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 RU2007112250/02A priority Critical patent/RU2348703C2/en
Publication of RU2007112250A publication Critical patent/RU2007112250A/en
Application granted granted Critical
Publication of RU2348703C2 publication Critical patent/RU2348703C2/en

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  • Heat Treatment Of Sheet Steel (AREA)
  • Metal Rolling (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Claims (3)

1. Способ производства штрипсов для нефтегазопроводных труб, включающий выплавку стали, непрерывную разливку в слябы, нагрев слябов до температуры 1190-1250°С, горячую прокатку с температурой окончания 820-870°С, охлаждение водой до температуры 500-580°С и смотку штрипсов в рулоны, отличающийся тем, что смотанные рулоны охлаждают со скоростью 5-20°С/ч до температуры не выше 100°С.1. Method for the production of strips for oil and gas pipes, including steelmaking, continuous casting into slabs, heating slabs to a temperature of 1190-1250 ° C, hot rolling with an end temperature of 820-870 ° C, cooling with water to a temperature of 500-580 ° C and winding strips into rolls, characterized in that the coiled coils are cooled at a speed of 5-20 ° C / h to a temperature not exceeding 100 ° C. 2. Способ по п.1, отличающийся тем, что слябы разливают из стали следующего химического состава, мас.%:2. The method according to claim 1, characterized in that the slabs are cast from steel of the following chemical composition, wt.%: УглеродCarbon 0,08-0,130.08-0.13 МарганецManganese 0,50-0,700.50-0.70 КремнийSilicon 0,40-0,650.40-0.65 ВанадийVanadium 0,05-0,090.05-0.09 НиобийNiobium 0,015-0,0400.015-0.040 ТитанTitanium 0,01-0,030.01-0.03 АлюминийAluminum 0,02-0,050.02-0.05 АзотNitrogen Не более 0,008No more than 0,008 ХромChromium Не более 0,3No more than 0.3 НикельNickel Не более 0,3No more than 0.3 МедьCopper Не более 0,2No more than 0.2 СераSulfur Не более 0,005No more than 0,005 ФосфорPhosphorus Не более 0,015No more than 0.015 ЖелезоIron ОстальноеRest
3. Способ по п.2, отличающийся тем, что суммарное содержание в стали углерода С, марганца Mn, хрома Cr, ванадия V, титана Ti, меди Cu, никеля Ni, кремния Si должно удовлетворять соотношениям:3. The method according to claim 2, characterized in that the total content in the carbon steel C, manganese Mn, chromium Cr, vanadium V, titanium Ti, copper Cu, nickel Ni, silicon Si must satisfy the ratios: Сэ=C+Mn/6+(Cr+V+Ti)/5+(Cu+Ni)/15≤0,39%,With e = C + Mn / 6 + (Cr + V + Ti) / 5 + (Cu + Ni) / 15≤0.39%, а такжеas well as Рсм=C+(Mn+Cr+Cu)/20+Si/30+Ni/15+V/10≤0,24%.P cm = C + (Mn + Cr + Cu) / 20 + Si / 30 + Ni / 15 + V / 10≤0.24%.
RU2007112250/02A 2007-04-02 2007-04-02 Method of candies production RU2348703C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2007112250/02A RU2348703C2 (en) 2007-04-02 2007-04-02 Method of candies production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2007112250/02A RU2348703C2 (en) 2007-04-02 2007-04-02 Method of candies production

Publications (2)

Publication Number Publication Date
RU2007112250A true RU2007112250A (en) 2008-10-10
RU2348703C2 RU2348703C2 (en) 2009-03-10

Family

ID=39927441

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007112250/02A RU2348703C2 (en) 2007-04-02 2007-04-02 Method of candies production

Country Status (1)

Country Link
RU (1) RU2348703C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2436848C1 (en) * 2010-11-08 2011-12-20 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Procedure for production of strips in reels
RU2551324C1 (en) * 2013-12-30 2015-05-20 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Manufacturing method of strips of low-alloyed weld steel
RU2578618C1 (en) * 2014-11-18 2016-03-27 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Manufacturing method of strips of low-alloyed weld steel
RU2652281C1 (en) * 2017-05-31 2018-04-25 Публичное акционерное общество "Северсталь" Method of production of hot-rolled sheets from high-strength steel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE756233A (en) * 1969-09-16 1971-03-16 Siemens Ag ASSEMBLY TO DETERMINE WITH CONFIDENCE THE START OF TRANSMISSION IN A RECEIVING STATION OF DATA TRANSMISSION SYSTEM
US4138278A (en) * 1976-08-27 1979-02-06 Nippon Steel Corporation Method for producing a steel sheet having remarkably excellent toughness at low temperatures
RU2201972C2 (en) * 2001-04-23 2003-04-10 Открытое акционерное общество "Северсталь" Method for making strips of low-alloy steel
RU2195505C1 (en) * 2001-07-23 2002-12-27 Открытое акционерное общество "Северсталь" Method for hot rolling of steel strips with carbonitride reinforcement
RU2255123C1 (en) * 2003-12-04 2005-06-27 Открытое акционерное общество "Северсталь" Method of production of skelps from low-alloyed steel
RU2262537C1 (en) * 2004-07-26 2005-10-20 Открытое акционерное общество "Северсталь" Method of production of strips from low-alloyed steel

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Publication number Publication date
RU2348703C2 (en) 2009-03-10

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