DE69521284T2 - Verfahren zum Herstellen von Stahlblechen hoher Schlagfestigkeit für den Automobilbau - Google Patents

Verfahren zum Herstellen von Stahlblechen hoher Schlagfestigkeit für den Automobilbau

Info

Publication number
DE69521284T2
DE69521284T2 DE69521284T DE69521284T DE69521284T2 DE 69521284 T2 DE69521284 T2 DE 69521284T2 DE 69521284 T DE69521284 T DE 69521284T DE 69521284 T DE69521284 T DE 69521284T DE 69521284 T2 DE69521284 T2 DE 69521284T2
Authority
DE
Germany
Prior art keywords
production
impact strength
steel sheets
high impact
automotive industry
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.)
Expired - Lifetime
Application number
DE69521284T
Other languages
English (en)
Other versions
DE69521284D1 (de
Inventor
Kazuya Miura
Shusaku Takagi
Takaaki Hira
Toshiyuki Kato
Nobutaka Kurosawa
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
Kawasaki 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=18147072&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69521284(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of DE69521284D1 publication Critical patent/DE69521284D1/de
Application granted granted Critical
Publication of DE69521284T2 publication Critical patent/DE69521284T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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

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)
  • Heat Treatment Of Steel (AREA)
DE69521284T 1994-12-26 1995-02-28 Verfahren zum Herstellen von Stahlblechen hoher Schlagfestigkeit für den Automobilbau Expired - Lifetime DE69521284T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6322737A JP3039842B2 (ja) 1994-12-26 1994-12-26 耐衝撃性に優れる自動車用熱延鋼板および冷延鋼板ならびにそれらの製造方法

Publications (2)

Publication Number Publication Date
DE69521284D1 DE69521284D1 (de) 2001-07-19
DE69521284T2 true DE69521284T2 (de) 2001-11-15

Family

ID=18147072

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521284T Expired - Lifetime DE69521284T2 (de) 1994-12-26 1995-02-28 Verfahren zum Herstellen von Stahlblechen hoher Schlagfestigkeit für den Automobilbau

Country Status (5)

Country Link
US (1) US5558727A (de)
EP (1) EP0719868B1 (de)
JP (1) JP3039842B2 (de)
KR (1) KR100219891B1 (de)
DE (1) DE69521284T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2278841C (en) * 1997-01-29 2007-05-01 Nippon Steel Corporation High strength steels having excellent formability and high impact energy absorption properties, and a method for producing the same
CA2283924C (en) * 1997-03-17 2006-11-28 Nippon Steel Corporation Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same
JP3320014B2 (ja) * 1997-06-16 2002-09-03 川崎製鉄株式会社 耐衝撃特性に優れた高強度高加工性冷延鋼板
JP3684851B2 (ja) * 1997-07-10 2005-08-17 Ｊｆｅスチール株式会社 耐衝撃特性および強度−伸びバランスに優れた高強度高加工性熱延鋼板およびその製造方法
DE19833321A1 (de) * 1998-07-24 2000-01-27 Schloemann Siemag Ag Verfahren und Anlage zur Herstellung von Dualphasen-Stählen
DE19911287C1 (de) 1999-03-13 2000-08-31 Thyssenkrupp Stahl Ag Verfahren zum Erzeugen eines Warmbandes
JP4543471B2 (ja) * 2000-01-14 2010-09-15 Ｊｆｅスチール株式会社 板形状および加工性に優れた高強度熱延鋼板の製造方法
DE60045303D1 (de) 1999-09-29 2011-01-13 Jfe Steel Corp Stahlblech und verfahren zu dessen herstellung
DE60116477T2 (de) * 2000-04-07 2006-07-13 Jfe Steel Corp. Warm-, kaltgewalzte und schmelz-galvanisierte stahlplatte mit exzellentem reckalterungsverhalten
KR100543956B1 (ko) * 2000-09-21 2006-01-23 신닛뽄세이테쯔 카부시키카이샤 형상 동결성이 우수한 강판 및 그 제조방법
JP3927384B2 (ja) * 2001-02-23 2007-06-06 新日本製鐵株式会社 切り欠き疲労強度に優れる自動車用薄鋼板およびその製造方法
KR100550324B1 (ko) * 2003-12-29 2006-02-07 주식회사 포스코 프레스 경화 공정의 산화 방지방법
JP4639996B2 (ja) 2004-07-06 2011-02-23 住友金属工業株式会社 高張力冷延鋼板の製造方法
JP4867336B2 (ja) * 2005-12-27 2012-02-01 住友金属工業株式会社 高張力冷延鋼板、高張力電気めっき鋼板および高張力溶融めっき鋼板
JP5176431B2 (ja) * 2007-08-24 2013-04-03 Ｊｆｅスチール株式会社 高強度熱延鋼板の製造方法
JP5423737B2 (ja) * 2010-08-10 2014-02-19 Ｊｆｅスチール株式会社 加工性に優れた高強度熱延鋼板およびその製造方法
KR101439686B1 (ko) * 2012-12-26 2014-09-12 주식회사 포스코 내마모성이 우수한 내미끄럼마모용 강재 및 그 제조방법
KR102332459B1 (ko) * 2020-01-06 2021-11-26 현대건설(주) 부력을 이용한 부벽식 옹벽의 해상 설치 방법 및 이를 위한 옹벽 결합체
KR102332458B1 (ko) * 2020-01-06 2021-11-26 현대건설(주) 부력을 이용한 케이슨의 해상 설치 방법 및 이를 위한 케이슨 결합체
CN115584442B (zh) * 2022-09-15 2023-07-14 武汉钢铁有限公司 高表面质量汽车钢及其生产方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158217A (en) * 1979-05-30 1980-12-09 Nippon Kokan Kk <Nkk> Production of cold rolled steel plate of high lankford value
DE3164521D1 (en) * 1980-03-31 1984-08-09 Kawasaki Steel Co High-tensile, cold-rolled steel plate with excellent formability and process for its production, as well as high-tensile, galvanized steel plate with excellent formability, and process for its production
JPS5940215B2 (ja) * 1980-03-31 1984-09-28 川崎製鉄株式会社 成形性の優れた高張力冷延鋼板およびその製造方法
JPS5767130A (en) * 1980-10-14 1982-04-23 Kawasaki Steel Corp Production of hot rolled dual phase high tensile steel plate
JPS57137452A (en) * 1981-02-20 1982-08-25 Kawasaki Steel Corp Hot rolled high tensile steel plate having composite structure and its manufacture
JPS57137426A (en) * 1981-02-20 1982-08-25 Kawasaki Steel Corp Production of low yield ratio, high tensile hot rolled steel plate by mixed structure
JPS5827933A (ja) * 1981-08-13 1983-02-18 Kawasaki Steel Corp 連続焼鈍による耐食性に優れるｔ−３軟質ぶりき原板の製造方法
JPS6052528A (ja) * 1983-09-02 1985-03-25 Kawasaki Steel Corp 延性およびスポツト溶接性の良好な高強度薄鋼板の製造方法
DE3440752A1 (de) * 1984-11-08 1986-05-22 Thyssen Stahl AG, 4100 Duisburg Verfahren zur herstellung von warmband mit zweiphasen-gefuege
JPH06322476A (ja) * 1993-05-11 1994-11-22 Kawasaki Steel Corp 耐衝撃性に優れた自動車用鋼板およびその製造方法

Also Published As

Publication number Publication date
US5558727A (en) 1996-09-24
DE69521284D1 (de) 2001-07-19
EP0719868B1 (de) 2001-06-13
KR100219891B1 (ko) 1999-09-01
JPH08176723A (ja) 1996-07-09
EP0719868A1 (de) 1996-07-03
KR960023166A (ko) 1996-07-18
JP3039842B2 (ja) 2000-05-08

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