DE3126386C2 - Verfahren zur Herstellung von preßumformbarem, hochfestem Stahlblech mit einem Zweiphasengefüge - Google Patents

Verfahren zur Herstellung von preßumformbarem, hochfestem Stahlblech mit einem Zweiphasengefüge

Info

Publication number
DE3126386C2
DE3126386C2 DE3126386A DE3126386A DE3126386C2 DE 3126386 C2 DE3126386 C2 DE 3126386C2 DE 3126386 A DE3126386 A DE 3126386A DE 3126386 A DE3126386 A DE 3126386A DE 3126386 C2 DE3126386 C2 DE 3126386C2
Authority
DE
Germany
Prior art keywords
strength
boron
rolled
cold
steel sheet
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
Application number
DE3126386A
Other languages
German (de)
English (en)
Other versions
DE3126386C3 (US07943777-20110517-C00090.png
DE3126386A1 (de
Inventor
Masaaki Onga Fukuoka Fukunaga
Yoshikuni Kitakyushu Fukuoka Furuno
Nobuyuki Takahashi
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.)
Nippon Steel Corp
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
Publication of DE3126386A1 publication Critical patent/DE3126386A1/de
Application granted granted Critical
Publication of DE3126386C2 publication Critical patent/DE3126386C2/de
Publication of DE3126386C3 publication Critical patent/DE3126386C3/de
Expired 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
    • 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
    • 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
    • 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
    • C21D8/0236—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
    • C21D8/0247—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

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)
DE3126386A 1980-07-05 1981-07-03 Verfahren zur Herstellung von preßumformbarem, hochfestem Stahlblech mit einem Zweiphasengefüge Expired DE3126386C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55091998A JPS5927370B2 (ja) 1980-07-05 1980-07-05 プレス加工用高強度冷延鋼板

Publications (3)

Publication Number Publication Date
DE3126386A1 DE3126386A1 (de) 1982-04-29
DE3126386C2 true DE3126386C2 (de) 1986-04-10
DE3126386C3 DE3126386C3 (US07943777-20110517-C00090.png) 1991-06-20

Family

ID=14042085

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3126386A Expired DE3126386C2 (de) 1980-07-05 1981-07-03 Verfahren zur Herstellung von preßumformbarem, hochfestem Stahlblech mit einem Zweiphasengefüge

Country Status (5)

Country Link
US (1) US4436561A (US07943777-20110517-C00090.png)
JP (1) JPS5927370B2 (US07943777-20110517-C00090.png)
DE (1) DE3126386C2 (US07943777-20110517-C00090.png)
FR (1) FR2486101B1 (US07943777-20110517-C00090.png)
GB (1) GB2079316B (US07943777-20110517-C00090.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5929579U (ja) * 1982-08-19 1984-02-23 日産自動車株式会社 内燃機関用蓄熱装置
DE3440752A1 (de) * 1984-11-08 1986-05-22 Thyssen Stahl AG, 4100 Duisburg Verfahren zur herstellung von warmband mit zweiphasen-gefuege
US4793869A (en) * 1987-04-10 1988-12-27 Signode Corporation Continuous treatment of cold-rolled carbon manganese steel
US4793870A (en) * 1987-04-10 1988-12-27 Signode Corporation Continuous treatment of cold-rolled carbon high manganese steel
JPS6455374U (US07943777-20110517-C00090.png) * 1987-10-01 1989-04-05
US4869635A (en) * 1988-03-31 1989-09-26 Caterpillar Industrial Inc. Apparatus for controllably positioning a lift mast assembly of a work vehicle
JPH0274677U (US07943777-20110517-C00090.png) * 1988-11-28 1990-06-07
DE19936151A1 (de) * 1999-07-31 2001-02-08 Thyssenkrupp Stahl Ag Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung
KR100415718B1 (ko) * 1999-09-16 2004-01-24 제이에프이 엔지니어링 가부시키가이샤 고강도 박강판 및 그 제조방법
EP1143019B1 (en) * 1999-09-29 2014-11-26 JFE Steel Corporation Method for manufacturing a coiled steel sheet
US8337643B2 (en) 2004-11-24 2012-12-25 Nucor Corporation Hot rolled dual phase steel sheet
US7442268B2 (en) * 2004-11-24 2008-10-28 Nucor Corporation Method of manufacturing cold rolled dual-phase steel sheet
US7959747B2 (en) * 2004-11-24 2011-06-14 Nucor Corporation Method of making cold rolled dual phase steel sheet
US7608155B2 (en) * 2006-09-27 2009-10-27 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
US11155902B2 (en) 2006-09-27 2021-10-26 Nucor Corporation High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same
EP2209926B1 (en) 2007-10-10 2019-08-07 Nucor Corporation Complex metallographic structured steel and method of manufacturing same
US20090236068A1 (en) 2008-03-19 2009-09-24 Nucor Corporation Strip casting apparatus for rapid set and change of casting rolls
BRPI0909191A2 (pt) * 2008-03-19 2016-11-01 Nucor Corp aparelho para fundição de tira com posicionamento do rolete de fundição
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
KR101115761B1 (ko) * 2008-12-26 2012-06-12 주식회사 포스코 표면 탈탄이 억제된 강재 및 제조방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001052A (en) * 1971-09-30 1977-01-04 Kawasaki Steel Corporation Hot-rolled low-carbon steel strip with an excellent press-workability capable of forming smooth pressed surface and a method of making the same
US3830669A (en) * 1972-06-13 1974-08-20 Sumitomo Metal Ind Process for manufacturing a cold-rolled high strength steel sheet
JPS5619380B2 (US07943777-20110517-C00090.png) * 1973-08-11 1981-05-07
US4115155A (en) 1974-05-03 1978-09-19 Bethlehem Steel Corporation Low carbon high yield and tensile strength steel and method of manufacture
JPS5531819B2 (US07943777-20110517-C00090.png) 1974-06-08 1980-08-21
JPS5836650B2 (ja) * 1978-06-16 1983-08-10 新日本製鐵株式会社 引張強さ３５〜５０Ｋｇ／ｍｍ↑２、降伏比６０％未満で、高伸びを有する複合組織冷延鋼板の製造方法

Also Published As

Publication number Publication date
JPS5719359A (en) 1982-02-01
GB2079316A (en) 1982-01-20
DE3126386C3 (US07943777-20110517-C00090.png) 1991-06-20
US4436561A (en) 1984-03-13
FR2486101B1 (fr) 1986-12-05
DE3126386A1 (de) 1982-04-29
GB2079316B (en) 1984-08-08
FR2486101A1 (fr) 1982-01-08
JPS5927370B2 (ja) 1984-07-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: LIEDL, G., DIPL.-PHYS. NOETH, H., DIPL.-PHYS., PAT

D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted