RU2004110947A - HOT STEEL SHEET WITH HIGH VISCOSITY AT EXTRA LOW TEMPERATURE AND METHOD FOR PRODUCING IT - Google Patents

HOT STEEL SHEET WITH HIGH VISCOSITY AT EXTRA LOW TEMPERATURE AND METHOD FOR PRODUCING IT Download PDF

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Publication number
RU2004110947A
RU2004110947A RU2004110947/02A RU2004110947A RU2004110947A RU 2004110947 A RU2004110947 A RU 2004110947A RU 2004110947/02 A RU2004110947/02 A RU 2004110947/02A RU 2004110947 A RU2004110947 A RU 2004110947A RU 2004110947 A RU2004110947 A RU 2004110947A
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RU
Russia
Prior art keywords
temperature
high viscosity
low temperature
steel sheet
steel billet
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Application number
RU2004110947/02A
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Russian (ru)
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RU2268311C2 (en
Inventor
Ин-Сео ПАРК (KR)
Ин-Сео ПАРК
Киунг-Бум ДЗИН (KR)
Киунг-Бум ДЗИН
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Поско Корпорейшн (Kr)
Поско Корпорейшн
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Publication of RU2004110947A publication Critical patent/RU2004110947A/en
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Publication of RU2268311C2 publication Critical patent/RU2268311C2/en

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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Claims (2)

1. Горячекатаный стальной лист для магистральных трубопроводов с высокой вязкостью при сверхнизкой температуре, имеющий следующий состав: от 0,04 до 0,07 мас.% С; от 1,50 до 1,65 мас.% Mn; от 0,15 до 0,25 мас.% Si; не более 0,010 мас.% Р; не более 0,003 мас.% S; от 0,040 до 0,060 мас.% Nb; от 0,040 до 0,060 мас.% V; от 0,010 до 0,020 мас.% Ti; от 0,10 до 0,30 мас.% Мо; от 0,10 до 0,30 мас.% Ni; при этом остаток составляет Fe и неизбежные примеси.1. Hot rolled steel sheet for pipelines with high viscosity at extremely low temperature, having the following composition: from 0.04 to 0.07 wt.% C; from 1.50 to 1.65 wt.% Mn; from 0.15 to 0.25 wt.% Si; not more than 0.010 wt.% P; not more than 0.003 wt.% S; from 0.040 to 0.060 wt.% Nb; from 0.040 to 0.060 wt.% V; from 0.010 to 0.020 wt.% Ti; from 0.10 to 0.30 wt.% Mo; from 0.10 to 0.30 wt.% Ni; while the remainder is Fe and inevitable impurities. 2. Способ получения горячекатаного стального листа для магистральных трубопроводов с высокой вязкостью при сверхнизкой температуре, включающий следующие стадии:2. A method of obtaining a hot-rolled steel sheet for pipelines with high viscosity at ultra-low temperature, comprising the following stages: - сфероидизация неметаллических включений с применением Са-Si при вторичном рафинировании под шлаком расплавленной стали, имеющей следующий состав: от 0,04 до 0,07 мас.% С; от 1,50 до 1,65 мас.% Mn; от 0,15 до 0,25 мас.% Si; не более 0,010 мас.% Р; не более 0,003 мас.% S; от 0,040 до 0,060 мас.% Nb; от 0,040 до 0,060 мас.% V; от 0,010 до 0,020 мас.% Ti; от 0,10 до 0,30 мас.% Мо; от 0,10 до 0,30 мас.% Ni; при этом остаток составляет Fe и неизбежные примеси;- spheroidization of non-metallic inclusions with the use of Ca-Si during secondary refining under the slag of molten steel having the following composition: from 0.04 to 0.07 wt.% C; from 1.50 to 1.65 wt.% Mn; from 0.15 to 0.25 wt.% Si; not more than 0.010 wt.% P; not more than 0.003 wt.% S; from 0.040 to 0.060 wt.% Nb; from 0.040 to 0.060 wt.% V; from 0.010 to 0.020 wt.% Ti; from 0.10 to 0.30 wt.% Mo; from 0.10 to 0.30 wt.% Ni; while the remainder is Fe and inevitable impurities; - повторное нагревание указанной сфероидизированной стальной заготовки при температуре от 1150 до 1180°С;- re-heating the specified spheroidized steel billet at a temperature of from 1150 to 1180 ° C; - черновая прокатка указанной подвергнутой повторному нагреванию стальной заготовки при степени обжатия от 25 до 30% при температуре от 900 до 930°С при последнем проходе;- rough rolling of said reheated steel billet at a reduction ratio of 25 to 30% at a temperature of 900 to 930 ° C. in the last pass; - чистовая прокатка указанной подвергнутой черновой прокатке стальной заготовки при температуре от 790 до 830°С для получения игольчатого феррита; и- finishing rolling of said subjected to rough rolling steel billet at a temperature of from 790 to 830 ° C to obtain needle ferrite; and - смотка указанной подвергнутой чистовой прокатке стальной заготовки при температуре от 540 до 580°С после быстрого охлаждения.- winding the specified finished rolling of the steel billet at a temperature of from 540 to 580 ° C after rapid cooling.
RU2004110947/02A 2001-09-10 2002-09-09 Hot rolled steel sheet of high toughness at ultralow temperature and method for production thereof RU2268311C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2001/0055561 2001-09-10
KR1020010055561A KR20030021965A (en) 2001-09-10 2001-09-10 a hot-rolled steel sheet wiht good ultra low temperature toughness and the method of the same

Publications (2)

Publication Number Publication Date
RU2004110947A true RU2004110947A (en) 2005-03-27
RU2268311C2 RU2268311C2 (en) 2006-01-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2004110947/02A RU2268311C2 (en) 2001-09-10 2002-09-09 Hot rolled steel sheet of high toughness at ultralow temperature and method for production thereof

Country Status (5)

Country Link
JP (1) JP3846729B2 (en)
KR (1) KR20030021965A (en)
CN (1) CN1288268C (en)
RU (1) RU2268311C2 (en)
WO (1) WO2003025241A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100584762B1 (en) * 2001-12-26 2006-05-30 주식회사 포스코 The method of manufacturing hot rolled steels with less anisotropic properties for linepipes
KR100568365B1 (en) * 2001-12-27 2006-04-05 주식회사 포스코 Method for manufacturing heavy gauge high strength linepipe steel with superior low temperature toughness
KR101091368B1 (en) * 2004-09-30 2011-12-07 주식회사 포스코 Method for manufacturing a high-strength hot rolled steel sheet for linepipe with superior DWTT characteristics at low temperature
CN100392132C (en) * 2005-03-30 2008-06-04 宝山钢铁股份有限公司 Steel for low temperature and high tenacity structure use and its production method
KR100723169B1 (en) * 2005-12-26 2007-05-30 주식회사 포스코 A method for manufacturing precipitaion hardened steel for linepipe having excellent property of hot rolling
JP5223375B2 (en) 2007-03-01 2013-06-26 新日鐵住金株式会社 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and method for producing the same
JP5223379B2 (en) 2007-03-08 2013-06-26 新日鐵住金株式会社 High strength hot rolled steel sheet for spiral pipe with excellent low temperature toughness and method for producing the same
CN102046829B (en) 2008-05-26 2013-03-13 新日铁住金株式会社 High-strength hot-rolled steel sheet for line pipe excellent in low-temperature toughness and ductile-fracture-stopping performance and process for producing the same
KR101302298B1 (en) 2010-06-30 2013-09-03 신닛테츠스미킨 카부시키카이샤 Hot-rolled steel sheet and method for producing same
CN101928882B (en) * 2010-08-03 2012-06-27 武钢集团昆明钢铁股份有限公司 X60 pipe line steel and production method thereof
CN104060170B (en) * 2014-06-18 2016-08-17 攀钢集团攀枝花钢铁研究院有限公司 A kind of hot rolled steel plate and production method thereof
CN106392029A (en) * 2016-09-28 2017-02-15 南京钢铁股份有限公司 Method for improving tissue property by cooling pipeline steel casting blank and heating pipeline steel casting blank at low temperature
RU2649110C1 (en) * 2017-04-26 2018-03-29 Публичное акционерное общество "Северсталь" Dispersion-solid steel thick sheet for hot stamping and method of its production
KR101949036B1 (en) * 2017-10-11 2019-05-08 주식회사 포스코 Thick steel sheet having excellent low temperature strain aging impact properties and method of manufacturing the same
JP6569745B2 (en) 2018-01-29 2019-09-04 Jfeスチール株式会社 Hot rolled steel sheet for coiled tubing and method for producing the same
CN113151651B (en) * 2020-09-25 2022-06-03 攀钢集团研究院有限公司 Production method of low-temperature annealed ultra-deep drawn cold-rolled steel plate and cold-rolled steel plate
CN113373376A (en) * 2021-05-27 2021-09-10 本钢板材股份有限公司 Bainite non-quenched and tempered high-strength steel with tensile strength of more than or equal to 960MPa and manufacturing method thereof
CN113564479B (en) * 2021-07-30 2023-08-01 日钢营口中板有限公司 High-wall-thickness steel with good low-temperature toughness for station sites and manufacturing method thereof
CN115449709B (en) * 2022-08-30 2024-02-13 鞍钢股份有限公司 Thick-specification high-strength-toughness L485M pipeline steel and production method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57131320A (en) * 1981-02-06 1982-08-14 Kawasaki Steel Corp Production of high tensile steel plate having superior low temperature toughness
JP3390596B2 (en) * 1995-03-23 2003-03-24 川崎製鉄株式会社 Low yield ratio high strength hot rolled steel sheet excellent in toughness and method for producing the same
KR100635074B1 (en) * 1999-12-28 2006-10-16 주식회사 포스코 A method for production of the high strength and toughness steel by coarse precipitate

Also Published As

Publication number Publication date
CN1553966A (en) 2004-12-08
KR20030021965A (en) 2003-03-15
JP3846729B2 (en) 2006-11-15
CN1288268C (en) 2006-12-06
WO2003025241A1 (en) 2003-03-27
JP2005503483A (en) 2005-02-03
RU2268311C2 (en) 2006-01-20

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Effective date: 20160910