EP1458896A4 - HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH SUPERIOR FORMABILITY AND WELDABILITY CHARACTERISTICS, AND MANUFACTURING METHOD - Google Patents

HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH SUPERIOR FORMABILITY AND WELDABILITY CHARACTERISTICS, AND MANUFACTURING METHOD

Info

Publication number
EP1458896A4
EP1458896A4 EP02741471A EP02741471A EP1458896A4 EP 1458896 A4 EP1458896 A4 EP 1458896A4 EP 02741471 A EP02741471 A EP 02741471A EP 02741471 A EP02741471 A EP 02741471A EP 1458896 A4 EP1458896 A4 EP 1458896A4
Authority
EP
European Patent Office
Prior art keywords
weldability
manufacturing
steel sheet
high strength
rolled steel
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.)
Withdrawn
Application number
EP02741471A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1458896A1 (en
Inventor
Seung-Chul Baek
Sung-Ho Park
Choon-Sun Bea
Seong-Ju Kim
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP1458896A1 publication Critical patent/EP1458896A1/en
Publication of EP1458896A4 publication Critical patent/EP1458896A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • 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
    • 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
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment

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)
EP02741471A 2001-12-27 2002-06-20 HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH SUPERIOR FORMABILITY AND WELDABILITY CHARACTERISTICS, AND MANUFACTURING METHOD Withdrawn EP1458896A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020010085539A KR100554753B1 (ko) 2001-12-27 2001-12-27 성형성 및 용접성이 우수한 고강도 냉연강판과 그 제조방법
KR2001085539 2001-12-27
PCT/KR2002/001167 WO2003056041A1 (en) 2001-12-27 2002-06-20 High strength cold rolled steel sheet with superior formability and weldability, and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP1458896A1 EP1458896A1 (en) 2004-09-22
EP1458896A4 true EP1458896A4 (en) 2004-12-29

Family

ID=19717641

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02741471A Withdrawn EP1458896A4 (en) 2001-12-27 2002-06-20 HIGH-STRENGTH COLD-ROLLED STEEL SHEET WITH SUPERIOR FORMABILITY AND WELDABILITY CHARACTERISTICS, AND MANUFACTURING METHOD

Country Status (5)

Country Link
US (1) US20040238083A1 (ko)
EP (1) EP1458896A4 (ko)
JP (1) JP3895728B2 (ko)
KR (1) KR100554753B1 (ko)
WO (1) WO2003056041A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5165236B2 (ja) * 2006-12-27 2013-03-21 新日鐵住金ステンレス株式会社 衝撃吸収特性に優れた構造部材用ステンレス鋼板
US8752752B2 (en) * 2009-03-09 2014-06-17 Hong Kong Polytechnic University Method of making a composite steel plate
KR101129757B1 (ko) * 2009-03-26 2012-03-23 현대제철 주식회사 박슬라브 에지부 톱날형 결함 저감방법
KR101624057B1 (ko) * 2011-07-29 2016-05-24 신닛테츠스미킨 카부시키카이샤 성형성이 우수한 고강도 강판, 고강도 아연 도금 강판 및 그들의 제조 방법
CA2879540C (en) * 2012-08-06 2018-06-12 Nippon Steel & Sumitomo Metal Corporation Cold-rolled steel sheet and method for manufacturing same, and hot-stamp formed body
CN103276303A (zh) * 2013-06-07 2013-09-04 南京钢铁股份有限公司 一种高强度矿用链条钢及其制备方法
CN104630641B (zh) * 2014-12-11 2017-02-22 武汉钢铁(集团)公司 800MPa级高强度高塑性低碳中锰钢及其制造方法
CN105154763A (zh) * 2015-09-24 2015-12-16 华北理工大学 低碳硅锰系贝氏体高强钢及其生产方法
CN108441604B (zh) * 2018-01-24 2019-09-03 易觉汽车科技（上海）有限公司 一种汽车零部件局部变强度设计方法
CN117127099B (zh) * 2023-04-28 2024-04-16 鞍钢股份有限公司 1300MPa超高强塑冷轧Mn-TRIP钢及其制备方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10259448A (ja) * 1997-03-21 1998-09-29 Kobe Steel Ltd 静的吸収エネルギー及び耐衝撃性に優れた高強度鋼板並びにその製造方法
JPH10280087A (ja) * 1997-04-10 1998-10-20 Nippon Steel Corp 表面性状と成形性にすぐれた高強度冷延鋼板とその製造方法
JPH1180886A (ja) * 1997-09-04 1999-03-26 Kawasaki Steel Corp ドラム缶用冷延鋼板およびその製造方法ならびに鋼製高強度ドラム缶
US5919415A (en) * 1996-12-31 1999-07-06 Ascometal Steel and process for the manufacture of a steel component formed by cold plastic deformation
JPH11256273A (ja) * 1998-03-12 1999-09-21 Kobe Steel Ltd 耐衝撃性に優れた高強度鋼板
JPH11343538A (ja) * 1998-05-29 1999-12-14 Kawasaki Steel Corp 高密度エネルギービーム溶接に適した冷延鋼板およびその製造方法
JP2001081533A (ja) * 1999-09-16 2001-03-27 Sumitomo Metal Ind Ltd 高張力冷延鋼板及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0238532A (ja) * 1988-07-29 1990-02-07 Kobe Steel Ltd 冷延高張力薄鋼板の製造方法
JPH09194935A (ja) * 1996-01-10 1997-07-29 Toyo Kohan Co Ltd ばね性に優れたガスケット材用冷延鋼板の製造法およびガスケット材
KR100328044B1 (ko) * 1997-11-04 2002-05-10 이구택 3상복합조직고강도냉연강판의제조방법
KR100415667B1 (ko) * 1999-12-20 2004-01-31 주식회사 포스코 충격흡수성 및 성형성이 우수한 고강도 냉연강판 및 그제조방법
JP4524850B2 (ja) * 2000-04-27 2010-08-18 Ｊｆｅスチール株式会社 延性および歪時効硬化特性に優れた高張力冷延鋼板および高張力冷延鋼板の製造方法
JP4839527B2 (ja) * 2000-05-31 2011-12-21 Ｊｆｅスチール株式会社 歪時効硬化特性に優れた冷延鋼板およびその製造方法
KR100470652B1 (ko) * 2000-12-20 2005-03-07 주식회사 포스코 성형성이 우수한 고강도 냉연강판의 제조방법

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5919415A (en) * 1996-12-31 1999-07-06 Ascometal Steel and process for the manufacture of a steel component formed by cold plastic deformation
JPH10259448A (ja) * 1997-03-21 1998-09-29 Kobe Steel Ltd 静的吸収エネルギー及び耐衝撃性に優れた高強度鋼板並びにその製造方法
JPH10280087A (ja) * 1997-04-10 1998-10-20 Nippon Steel Corp 表面性状と成形性にすぐれた高強度冷延鋼板とその製造方法
JPH1180886A (ja) * 1997-09-04 1999-03-26 Kawasaki Steel Corp ドラム缶用冷延鋼板およびその製造方法ならびに鋼製高強度ドラム缶
JPH11256273A (ja) * 1998-03-12 1999-09-21 Kobe Steel Ltd 耐衝撃性に優れた高強度鋼板
JPH11343538A (ja) * 1998-05-29 1999-12-14 Kawasaki Steel Corp 高密度エネルギービーム溶接に適した冷延鋼板およびその製造方法
JP2001081533A (ja) * 1999-09-16 2001-03-27 Sumitomo Metal Ind Ltd 高張力冷延鋼板及びその製造方法

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14 31 December 1998 (1998-12-31) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01 29 January 1999 (1999-01-29) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 14 22 December 1999 (1999-12-22) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 03 30 March 2000 (2000-03-30) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 20 10 July 2001 (2001-07-10) *
See also references of WO03056041A1 *

Also Published As

Publication number Publication date
EP1458896A1 (en) 2004-09-22
JP2005513271A (ja) 2005-05-12
US20040238083A1 (en) 2004-12-02
KR100554753B1 (ko) 2006-02-24
JP3895728B2 (ja) 2007-03-22
KR20030055524A (ko) 2003-07-04
WO2003056041A1 (en) 2003-07-10

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