EP2327810A4 - Feuille d'acier de résistance élevée et son procédé de fabrication - Google Patents

Feuille d'acier de résistance élevée et son procédé de fabrication

Info

Publication number
EP2327810A4
EP2327810A4 EP09813166.7A EP09813166A EP2327810A4 EP 2327810 A4 EP2327810 A4 EP 2327810A4 EP 09813166 A EP09813166 A EP 09813166A EP 2327810 A4 EP2327810 A4 EP 2327810A4
Authority
EP
European Patent Office
Prior art keywords
less
steel sheet
whole
area percentage
martensite
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP09813166.7A
Other languages
German (de)
English (en)
Other versions
EP2327810A1 (fr
EP2327810B1 (fr
Inventor
Hiroshi Matsuda
Yoshimasa Funakawa
Yasushi Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42005270&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2327810(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2327810A1 publication Critical patent/EP2327810A1/fr
Publication of EP2327810A4 publication Critical patent/EP2327810A4/fr
Application granted granted Critical
Publication of EP2327810B1 publication Critical patent/EP2327810B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/008—Martensite

Landscapes

  • 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 Sheet Steel (AREA)
  • Coating With Molten Metal (AREA)
EP09813166.7A 2008-09-10 2009-09-08 Feuille d'acier de résistance élevée et son procédé de fabrication Active EP2327810B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008232437A JP5365112B2 (ja) 2008-09-10 2008-09-10 高強度鋼板およびその製造方法
PCT/JP2009/065981 WO2010030021A1 (fr) 2008-09-10 2009-09-08 Feuille d'acier de résistance élevée et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP2327810A1 EP2327810A1 (fr) 2011-06-01
EP2327810A4 true EP2327810A4 (fr) 2013-11-20
EP2327810B1 EP2327810B1 (fr) 2019-02-27

Family

ID=42005270

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09813166.7A Active EP2327810B1 (fr) 2008-09-10 2009-09-08 Feuille d'acier de résistance élevée et son procédé de fabrication

Country Status (8)

Country Link
US (1) US20110162762A1 (fr)
EP (1) EP2327810B1 (fr)
JP (1) JP5365112B2 (fr)
KR (1) KR101341731B1 (fr)
CN (1) CN102149841B (fr)
CA (1) CA2734978C (fr)
TW (1) TWI412609B (fr)
WO (1) WO2010030021A1 (fr)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
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JP5333298B2 (ja) * 2010-03-09 2013-11-06 Ｊｆｅスチール株式会社 高強度鋼板の製造方法
JP5671359B2 (ja) * 2010-03-24 2015-02-18 株式会社神戸製鋼所 温間加工性に優れた高強度鋼板
JP5825481B2 (ja) * 2010-11-05 2015-12-02 Ｊｆｅスチール株式会社 深絞り性および焼付硬化性に優れる高強度冷延鋼板とその製造方法
JP5662903B2 (ja) * 2010-11-18 2015-02-04 株式会社神戸製鋼所 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品
JP5662902B2 (ja) * 2010-11-18 2015-02-04 株式会社神戸製鋼所 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品
JP5906753B2 (ja) * 2011-02-24 2016-04-20 Ｊｆｅスチール株式会社 合金化溶融亜鉛めっき鋼板
CN103459638B (zh) 2011-03-31 2015-07-15 株式会社神户制钢所 加工性优异的高强度钢板及其制造方法
US9745639B2 (en) * 2011-06-13 2017-08-29 Kobe Steel, Ltd. High-strength steel sheet excellent in workability and cold brittleness resistance, and manufacturing method thereof
JP5824283B2 (ja) * 2011-08-17 2015-11-25 株式会社神戸製鋼所 室温および温間での成形性に優れた高強度鋼板
JP6047983B2 (ja) * 2011-08-19 2016-12-21 Ｊｆｅスチール株式会社 伸びおよび伸びフランジ性に優れる高強度冷延鋼板の製造方法
RU2576567C2 (ru) * 2011-09-30 2016-03-10 Ниппон Стил Энд Сумитомо Метал Корпорейшн Легированный, гальванизированный погружением стальной лист
KR101601001B1 (ko) * 2011-09-30 2016-03-08 신닛테츠스미킨 카부시키카이샤 고강도 용융 아연 도금 강판
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JP6228741B2 (ja) * 2012-03-27 2017-11-08 株式会社神戸製鋼所 板幅方向における中央部と端部の強度差が少なく、曲げ加工性に優れた高強度溶融亜鉛めっき鋼板、高強度合金化溶融亜鉛めっき鋼板、およびこれらの製造方法
JP5764549B2 (ja) 2012-03-29 2015-08-19 株式会社神戸製鋼所 成形性および形状凍結性に優れた、高強度冷延鋼板、高強度溶融亜鉛めっき鋼板および高強度合金化溶融亜鉛めっき鋼板、ならびにそれらの製造方法
CN104245971B (zh) * 2012-03-30 2017-09-12 奥钢联钢铁有限责任公司 高强度冷轧钢板和生产该钢板的方法
JP5966598B2 (ja) * 2012-05-17 2016-08-10 Ｊｆｅスチール株式会社 加工性に優れる高降伏比高強度冷延鋼板およびその製造方法
KR101412262B1 (ko) * 2012-06-19 2014-06-27 현대제철 주식회사 굽힘성과 성형성이 우수한 자동차용 고강도 냉연강판 제조 방법
EP2690183B1 (fr) * 2012-07-27 2017-06-28 ThyssenKrupp Steel Europe AG Produit plat en acier laminé à chaud et son procédé de fabrication
EP2690184B1 (fr) * 2012-07-27 2020-09-02 ThyssenKrupp Steel Europe AG Cold rolled steel flat product and method for its production
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JP5862591B2 (ja) * 2013-03-28 2016-02-16 Ｊｆｅスチール株式会社 高強度鋼板およびその製造方法
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WO2016001705A1 (fr) * 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une aptitude au formage et une ductilité améliorées, et tôle ainsi obtenue
WO2016001708A1 (fr) 2014-07-03 2016-01-07 Arcelormittal Procédé de production d'une tôle d'acier revêtue à haute résistance présentant une résistance, une aptitude au formage améliorées et tôle ainsi obtenue
WO2016001703A1 (fr) 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance et tôle obtenue par le procédé
JP6282577B2 (ja) * 2014-11-26 2018-02-21 株式会社神戸製鋼所 高強度高延性鋼板
KR101695263B1 (ko) * 2014-12-30 2017-01-12 한국기계연구원 생산성, 강도와 연성의 조합이 우수한 고강도 강판, 그 제조 방법
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CN105543630B (zh) * 2015-12-21 2017-08-25 秦皇岛首秦金属材料有限公司 一种含硼高碳锯片用钢及其制造方法
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KR101877787B1 (ko) * 2015-12-28 2018-07-16 한국기계연구원 연신율이 우수한 고강도 강판 및 그 제조 방법
CN108603271B (zh) * 2016-02-10 2020-04-10 杰富意钢铁株式会社 高强度钢板及其制造方法
CN108699660B (zh) * 2016-02-10 2020-09-04 杰富意钢铁株式会社 高强度钢板及其制造方法
CN106119703B (zh) 2016-06-21 2018-01-30 宝山钢铁股份有限公司 一种980MPa级热轧双相钢及其制造方法
KR102035525B1 (ko) * 2016-06-27 2019-10-24 한국기계연구원 필름형 잔류 오스테나이트를 포함하는 강재
US11136644B2 (en) 2016-08-31 2021-10-05 Jfe Steel Corporation High-strength cold rolled steel sheet and method for producing the same
WO2019097600A1 (fr) * 2017-11-15 2019-05-23 日本製鉄株式会社 Tôle en acier laminée à froid hautement résistante
KR20200118445A (ko) 2018-02-07 2020-10-15 타타 스틸 네덜란드 테크날러지 베.뷔. 고강도 열간 압연 또는 냉간 압연 및 어닐링된 강 및 그 제조 방법
MX2021004416A (es) * 2018-10-17 2021-07-06 Jfe Steel Corp Chapa de acero delgada y metodo para fabricar la misma.
KR102276740B1 (ko) * 2018-12-18 2021-07-13 주식회사 포스코 연성 및 가공성이 우수한 고강도 강판 및 그 제조방법
SE542869C2 (en) * 2019-01-22 2020-07-21 Voestalpine Stahl Gmbh Cold rolled steel sheet
CN112840047B (zh) * 2019-02-06 2023-06-13 日本制铁株式会社 热浸镀锌钢板及其制造方法
ES2911655T3 (es) * 2019-06-17 2022-05-20 Tata Steel Ijmuiden Bv Tratamiento térmico de un fleje de acero laminado en frío
ES2911656T3 (es) * 2019-06-17 2022-05-20 Tata Steel Ijmuiden Bv Método de tratamiento térmico de un fleje de acero laminado en frío
PT3754036T (pt) * 2019-06-17 2022-04-20 Tata Steel Ijmuiden Bv Tratamento térmico de tira de aço laminada a frio de alta resistência
PT3754037T (pt) * 2019-06-17 2022-04-19 Tata Steel Ijmuiden Bv Método de tratamento térmico de uma tira de aço laminada a frio de alta resistência
EP4029958A4 (fr) * 2019-10-23 2023-01-25 JFE Steel Corporation Tôle en acier hautement résistante, et procédé de fabrication de celle-ci
WO2021172298A1 (fr) * 2020-02-28 2021-09-02 Ｊｆｅスチール株式会社 Tôle d'acier, élément et procédés respectivement pour la production de ladite tôle d'acier et dudit élément
WO2021230079A1 (fr) * 2020-05-11 2021-11-18 Ｊｆｅスチール株式会社 Tôle d'acier, élément, et leur procédé de fabrication
KR102398151B1 (ko) * 2020-09-07 2022-05-16 주식회사 포스코 연성이 우수한 초고강도 강판의 제조방법 및 이를 이용하여 제조된 초고강도 강판
KR20240003211A (ko) * 2022-06-30 2024-01-08 현대제철 주식회사 냉연 강판 및 그 제조방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1553202A1 (fr) * 2004-01-09 2005-07-13 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Acier à très haute résistance mécanique ayant une excellente résistance à la fragilisation par l'hydrogène et son procédé de production

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TWI412609B (zh) 2013-10-21
CN102149841A (zh) 2011-08-10
KR101341731B1 (ko) 2013-12-16
KR20110042369A (ko) 2011-04-26
JP5365112B2 (ja) 2013-12-11
JP2010065273A (ja) 2010-03-25
EP2327810A1 (fr) 2011-06-01
EP2327810B1 (fr) 2019-02-27
TW201020329A (en) 2010-06-01
CA2734978C (fr) 2016-03-29
WO2010030021A1 (fr) 2010-03-18
CA2734978A1 (fr) 2010-03-18
US20110162762A1 (en) 2011-07-07
CN102149841B (zh) 2013-11-20

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