EA201390277A1 - Холоднокатаный стальной лист и способ его получения - Google Patents

Холоднокатаный стальной лист и способ его получения

Info

Publication number
EA201390277A1
EA201390277A1 EA201390277A EA201390277A EA201390277A1 EA 201390277 A1 EA201390277 A1 EA 201390277A1 EA 201390277 A EA201390277 A EA 201390277A EA 201390277 A EA201390277 A EA 201390277A EA 201390277 A1 EA201390277 A1 EA 201390277A1
Authority
EA
Eurasian Patent Office
Prior art keywords
phase
area
steel sheet
rolled steel
dpredstavlyaet
Prior art date
Application number
EA201390277A
Other languages
English (en)
Other versions
EA022435B1 (ru
Inventor
Кенго Хата
Тосиро Томида
Норио Имай
Original Assignee
Ниппон Стил Энд Сумитомо Метал Корпорейшн
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 Ниппон Стил Энд Сумитомо Метал Корпорейшн filed Critical Ниппон Стил Энд Сумитомо Метал Корпорейшн
Publication of EA201390277A1 publication Critical patent/EA201390277A1/ru
Publication of EA022435B1 publication Critical patent/EA022435B1/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Landscapes

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

Abstract

Холоднокатаный стальной лист, имеющий мелкозернистую структуру, в которой подавлен рост зерен во время отжига, имеет химический состав, содержащий, мас.%: С 0,01-0,3, Si 0,01-2,0, Mn 0,5-3,5, Nb 0-0,03, Ti 0-0,06, V 0-0,3, растворимый Al 0-2,0, Cr 0-1,0, Мо 0-0,3, В 0-0,003, Са 0-0,003 и REM 0-0,003, и микроструктуру, которая содержит по меньшей мере 50% по площади феррита в качестве основной фазы и имеет вторую фазу, содержащую по меньшей мере 10% по площади фазы низкотемпературного превращения, и 0-3% по площади остаточного аустенита, и которая удовлетворяет следующим уравнениям (1)-(3), в дополнение к конкретной текстуре.в которых dпредставляет средний диаметр (мкм) зерен феррита, определяемый высокоугловой границей зерна, имеющей угол наклона по меньшей мере 15°, и dпредставляет средний диаметр (мкм) зерен второй фазы.
EA201390277A 2010-08-23 2011-08-22 Холоднокатаный стальной лист и способ его получения EA022435B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010186146 2010-08-23
PCT/JP2011/068854 WO2012026419A1 (ja) 2010-08-23 2011-08-22 冷延鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
EA201390277A1 true EA201390277A1 (ru) 2013-06-28
EA022435B1 EA022435B1 (ru) 2015-12-30

Family

ID=45723419

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201390277A EA022435B1 (ru) 2010-08-23 2011-08-22 Холоднокатаный стальной лист и способ его получения

Country Status (11)

Country Link
US (1) US9435013B2 (ru)
EP (1) EP2610357B1 (ru)
JP (1) JP4941619B2 (ru)
KR (1) KR101498398B1 (ru)
CN (1) CN103180468B (ru)
BR (1) BR112013004195B1 (ru)
EA (1) EA022435B1 (ru)
ES (1) ES2765674T3 (ru)
PL (1) PL2610357T3 (ru)
TW (1) TWI449797B (ru)
WO (1) WO2012026419A1 (ru)

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PL2881483T3 (pl) * 2012-07-31 2020-02-28 Nippon Steel Corporation Blacha stalowa cienka walcowana na zimno, blacha stalowa cienka walcowana na zimno powlekana elektrolitycznie cynkiem, blacha stalowa cienka walcowana na zimno cynkowana zanurzeniowo na gorąco, stopowa blacha stalowa cienka walcowana na zimno cynkowana zanurzeniowo na gorąco oraz sposoby wytwarzania wspomnianych blach stalowych cienkich
JP5821861B2 (ja) * 2013-01-23 2015-11-24 新日鐵住金株式会社 外観に優れ、伸びと穴拡げ性のバランスに優れた高強度熱延鋼板及びその製造方法
JP6049516B2 (ja) * 2013-03-26 2016-12-21 日新製鋼株式会社 溶接構造部材用高強度めっき鋼板およびその製造法
JP6322973B2 (ja) * 2013-11-28 2018-05-16 新日鐵住金株式会社 衝撃吸収特性に優れた高強度鋼
JP6326837B2 (ja) * 2014-02-03 2018-05-23 新日鐵住金株式会社 冷延鋼板
JP6314511B2 (ja) * 2014-02-03 2018-04-25 新日鐵住金株式会社 冷延鋼板
JP6191769B2 (ja) 2014-05-28 2017-09-06 新日鐵住金株式会社 熱延鋼板及びその製造方法
ES2761683T3 (es) * 2014-05-29 2020-05-20 Nippon Steel Corp Material de acero tratado térmicamente y método de fabricación del mismo
KR101677444B1 (ko) * 2014-12-24 2016-11-18 주식회사 포스코 초고강도 강판 및 이의 제조 방법
US10590770B2 (en) * 2015-03-06 2020-03-17 Snap-On Incorporated Reversing mechanism for a power tool
CN108884532B (zh) * 2016-03-25 2021-06-15 杰富意钢铁株式会社 高强度热浸镀锌钢板及其制造方法
WO2019111028A1 (en) 2017-12-05 2019-06-13 Arcelormittal Cold rolled and annealed steal sheet and method of manufacturing the same
WO2019111029A1 (en) 2017-12-05 2019-06-13 Arcelormittal Cold rolled and annealed steel sheet and method of manufacturing the same
KR102590522B1 (ko) * 2019-04-08 2023-10-18 닛폰세이테츠 가부시키가이샤 냉연 강판 및 그 제조 방법
CN113943888A (zh) * 2021-09-01 2022-01-18 包头钢铁（集团）有限责任公司 一种汽车用1.5~1.8mm340MPa级冷轧低合金高强钢及其生产方法
KR20230091218A (ko) * 2021-12-15 2023-06-23 주식회사 포스코 우수한 성형성과 높은 항복비를 갖는 고강도 강판 및 그 제조방법

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Also Published As

Publication number Publication date
TWI449797B (zh) 2014-08-21
KR101498398B1 (ko) 2015-03-03
JP4941619B2 (ja) 2012-05-30
EA022435B1 (ru) 2015-12-30
CN103180468B (zh) 2015-07-01
JPWO2012026419A1 (ja) 2013-10-28
PL2610357T3 (pl) 2020-05-18
KR20130047757A (ko) 2013-05-08
BR112013004195B1 (pt) 2018-06-12
WO2012026419A1 (ja) 2012-03-01
CN103180468A (zh) 2013-06-26
BR112013004195A2 (pt) 2016-05-10
TW201221657A (en) 2012-06-01
US20140144553A1 (en) 2014-05-29
US9435013B2 (en) 2016-09-06
EP2610357B1 (en) 2019-12-18
EP2610357A4 (en) 2017-11-08
ES2765674T3 (es) 2020-06-10
EP2610357A1 (en) 2013-07-03

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU