TW567231B - Multi-phase steel sheet excellent in hole expandability and method of producing the same - Google Patents

Multi-phase steel sheet excellent in hole expandability and method of producing the same Download PDF

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Publication number
TW567231B
TW567231B TW091116465A TW91116465A TW567231B TW 567231 B TW567231 B TW 567231B TW 091116465 A TW091116465 A TW 091116465A TW 91116465 A TW91116465 A TW 91116465A TW 567231 B TW567231 B TW 567231B
Authority
TW
Taiwan
Prior art keywords
mass
iron
less
microstructure
steel
Prior art date
Application number
TW091116465A
Other languages
English (en)
Chinese (zh)
Inventor
Osamu Kawano
Takehiro Hoshino
Original Assignee
Nippon 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
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of TW567231B publication Critical patent/TW567231B/zh

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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
    • C22C38/04—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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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

Landscapes

  • 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)
TW091116465A 2001-07-25 2002-07-24 Multi-phase steel sheet excellent in hole expandability and method of producing the same TW567231B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001224750 2001-07-25

Publications (1)

Publication Number Publication Date
TW567231B true TW567231B (en) 2003-12-21

Family

ID=19057856

Family Applications (1)

Application Number Title Priority Date Filing Date
TW091116465A TW567231B (en) 2001-07-25 2002-07-24 Multi-phase steel sheet excellent in hole expandability and method of producing the same

Country Status (7)

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

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780797B2 (en) 2002-12-26 2010-08-24 Nippon Steel Corporation High strength thin steel excellent in hole expansibility, ductility and chemical treatment characteristics
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
EP1865083B1 (en) 2005-03-28 2011-08-17 Kabushiki Kaisha Kobe Seiko Sho High strength hot rolled steel sheet excellent in bore expanding workability and method for production thereof
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
PL2553132T3 (pl) * 2010-03-29 2015-10-30 Arcelormittal Investigacion Y Desarrollo Sl Produkt stalowy z ulepszoną charakterystyką nierdzewienia w warunkach zasolonych
ES2765674T3 (es) * 2010-08-23 2020-06-10 Nippon Steel Corp Lámina de acero laminado en frío y procedimiento para la producción de la misma
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
CN105980591A (zh) * 2014-02-05 2016-09-28 安赛乐米塔尔股份公司 可热成形的、可空气淬硬的、可焊的钢板
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
EP4079911A4 (en) * 2019-12-18 2022-12-28 POSCO Holdings Inc. HOT ROLLED STEEL SHEET WITH EXCELLENT STAMPING PROPERTIES AND UNIFORMITY AND ITS PRODUCTION PROCESS
KR20230091154A (ko) * 2021-01-12 2023-06-22 닛폰세이테츠 가부시키가이샤 열연 강판

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3172505B2 (ja) * 1998-03-12 2001-06-04 株式会社神戸製鋼所 成形性に優れた高強度熱延鋼板
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
US6589369B2 (en) * 2000-04-21 2003-07-08 Nippon Steel Corporation High fatigue strength steel sheet excellent in burring workability and method for producing the same

Also Published As

Publication number Publication date
JP2004536965A (ja) 2004-12-09
EP1412548A1 (en) 2004-04-28
DE60206771T2 (de) 2006-07-20
WO2003010351A1 (en) 2003-02-06
CN1535323A (zh) 2004-10-06
DE60206771D1 (de) 2006-03-02
KR100548117B1 (ko) 2006-02-02
KR20040013156A (ko) 2004-02-11
CN1243844C (zh) 2006-03-01
EP1412548B1 (en) 2005-10-19
JP4181036B2 (ja) 2008-11-12

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