KR100548117B1 - 구멍 확장성이 우수한 복합 조직 강판 및 그 제조 방법 - Google Patents

구멍 확장성이 우수한 복합 조직 강판 및 그 제조 방법 Download PDF

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Publication number
KR100548117B1
KR100548117B1 KR1020047001015A KR20047001015A KR100548117B1 KR 100548117 B1 KR100548117 B1 KR 100548117B1 KR 1020047001015 A KR1020047001015 A KR 1020047001015A KR 20047001015 A KR20047001015 A KR 20047001015A KR 100548117 B1 KR100548117 B1 KR 100548117B1
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KR
South Korea
Prior art keywords
steel sheet
less
mass
hole expandability
composite
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KR1020047001015A
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English (en)
Korean (ko)
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KR20040013156A (ko
Inventor
가와노오사무
호시노다께히로
Original Assignee
신닛뽄세이테쯔 카부시키카이샤
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Publication of KR20040013156A publication Critical patent/KR20040013156A/ko
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    • 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
    • C22C38/02—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
    • C22C38/06—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
    • C21D2211/005—Ferrite
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
KR1020047001015A 2001-07-25 2002-07-25 구멍 확장성이 우수한 복합 조직 강판 및 그 제조 방법 KR100548117B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001224750 2001-07-25
JPJP-P-2001-00224750 2001-07-25
PCT/JP2002/007568 WO2003010351A1 (en) 2001-07-25 2002-07-25 Multi-phase steel sheet excellent in hole expandability and method of producing the same

Publications (2)

Publication Number Publication Date
KR20040013156A KR20040013156A (ko) 2004-02-11
KR100548117B1 true KR100548117B1 (ko) 2006-02-02

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Family Applications (1)

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KR1020047001015A KR100548117B1 (ko) 2001-07-25 2002-07-25 구멍 확장성이 우수한 복합 조직 강판 및 그 제조 방법

Country Status (7)

Country Link
EP (1) EP1412548B1 (de)
JP (1) JP4181036B2 (de)
KR (1) KR100548117B1 (de)
CN (1) CN1243844C (de)
DE (1) DE60206771T2 (de)
TW (1) TW567231B (de)
WO (1) WO2003010351A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003296089A1 (en) * 2002-12-26 2004-07-22 Nippon Steel Corporation High strength thin steel sheet excellent in hole expansibility, ductility and chemical treatment characteristics, and method for production thereof
JP4235030B2 (ja) * 2003-05-21 2009-03-04 新日本製鐵株式会社 局部成形性に優れ溶接部の硬さ上昇を抑制した引張強さが７８０ＭＰａ以上の高強度冷延鋼板および高強度表面処理鋼板
DE102004025717B9 (de) * 2004-05-26 2011-05-26 Voestalpine Stahl Gmbh Höherfester Multiphasenstahl mit verbesserten Eigenschaften
KR100942087B1 (ko) 2005-03-28 2010-02-12 가부시키가이샤 고베 세이코쇼 확공 가공성이 우수한 고강도 열연 강판 및 그의 제조방법
JP4819489B2 (ja) * 2005-11-25 2011-11-24 Ｊｆｅスチール株式会社 一様伸び特性に優れた高強度鋼板およびその製造方法
JP4998756B2 (ja) * 2009-02-25 2012-08-15 Ｊｆｅスチール株式会社 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
JP4883216B2 (ja) * 2010-01-22 2012-02-22 Ｊｆｅスチール株式会社 加工性とスポット溶接性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
CA2793294C (en) * 2010-03-29 2015-09-29 Arcelormittal Investigacion Y Desarrollo Sl Steel product with improved weathering characteristics in saline environment
KR101498398B1 (ko) * 2010-08-23 2015-03-03 신닛테츠스미킨 카부시키카이샤 냉연 강판 및 그 제조 방법
UA112771C2 (uk) * 2011-05-10 2016-10-25 Арселормітталь Інвестігасьон І Десароло Сл Сталевий лист з високою механічною міцністю, пластичністю і формованістю, спосіб виготовлення та застосування таких листів
KR101443447B1 (ko) * 2012-07-30 2014-09-19 현대제철 주식회사 고강도 강판 및 그 제조 방법
CN103074548B (zh) * 2013-01-24 2016-02-24 宝山钢铁股份有限公司 一种高耐蚀型高强度含Al耐候钢板及其制造方法
CN103510008B (zh) * 2013-09-18 2016-04-06 济钢集团有限公司 一种热轧铁素体贝氏体高强钢板及其制造方法
CN103627953B (zh) * 2013-12-12 2016-04-27 首钢总公司 一种对等温时间不敏感的含铝复相钢及其生产方法
RU2695688C1 (ru) * 2014-02-05 2019-07-25 Арселормиттал С.А. Обрабатываемый горячим формованием, закаливаемый на воздухе и поддающийся сварке стальной лист
US10465260B2 (en) 2015-04-10 2019-11-05 The Nanosteel Company, Inc. Edge formability in metallic alloys
WO2016164788A1 (en) * 2015-04-10 2016-10-13 The Nanosteel Company, Inc. Improved edge formability in metallic alloys
KR102109272B1 (ko) * 2018-10-01 2020-05-11 주식회사 포스코 타발성 및 재질 균일성이 우수한 고강도 열연강판 및 그 제조방법
WO2021125386A1 (ko) * 2019-12-18 2021-06-24 주식회사 포스코 타발성 및 재질 균일성이 우수한 고강도 열연강판 및 그 제조방법
WO2022153661A1 (ja) * 2021-01-12 2022-07-21 日本製鉄株式会社 熱延鋼板

Citations (1)

* Cited by examiner, † Cited by third party
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KR20010020169A (ko) * 1998-03-12 2001-03-15 구마모토 마사히로 성형성이 우수한 고강도 열연강판

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JP2853762B2 (ja) * 1991-05-30 1999-02-03 新日本製鐵株式会社 成形性又は成形性とスポット溶接性に優れた高降伏比型熱延高強度鋼板
US5470529A (en) * 1994-03-08 1995-11-28 Sumitomo Metal Industries, Ltd. High tensile strength steel sheet having improved formability
JPH07252592A (ja) * 1994-03-15 1995-10-03 Nippon Steel Corp 成形性、低温靭性及び疲労特性に優れた熱延高強度鋼板
JPH1060593A (ja) * 1996-06-10 1998-03-03 Kobe Steel Ltd 強度−伸びフランジ性バランスにすぐれる高強度冷延鋼板及びその製造方法
JP3790357B2 (ja) * 1998-03-31 2006-06-28 新日本製鐵株式会社 疲労特性に優れた加工用熱延鋼板およびその製造方法
JP3890748B2 (ja) * 1998-06-19 2007-03-07 Ｊｆｅスチール株式会社 伸びフランジ性、耐遅れ破壊特性に優れる高強度鋼板
JP3678018B2 (ja) * 1998-09-11 2005-08-03 Ｊｆｅスチール株式会社 材質均一性に優れた高加工性高張力熱延鋼板の製造方法
JP3870627B2 (ja) * 1999-10-05 2007-01-24 Ｊｆｅスチール株式会社 高燐極低炭素鋼の製造方法
EP1201780B1 (de) * 2000-04-21 2005-03-23 Nippon Steel Corporation Stahlblech mit hervorragender gratbearbeitbarkeit bei gleichzeitiger hoher ermüdungsfestigeit und verfahren zu dessen herstellung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010020169A (ko) * 1998-03-12 2001-03-15 구마모토 마사히로 성형성이 우수한 고강도 열연강판

Also Published As

Publication number Publication date
WO2003010351A1 (en) 2003-02-06
DE60206771D1 (de) 2006-03-02
CN1535323A (zh) 2004-10-06
KR20040013156A (ko) 2004-02-11
EP1412548A1 (de) 2004-04-28
CN1243844C (zh) 2006-03-01
DE60206771T2 (de) 2006-07-20
JP2004536965A (ja) 2004-12-09
TW567231B (en) 2003-12-21
JP4181036B2 (ja) 2008-11-12
EP1412548B1 (de) 2005-10-19

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