FR2434208B1 - Toles d'acier a resistance a leur rupture elevee ayant une grande aptitude au formage a la presse et leur procede de production - Google Patents

Toles d'acier a resistance a leur rupture elevee ayant une grande aptitude au formage a la presse et leur procede de production

Info

Publication number
FR2434208B1
FR2434208B1 FR7921102A FR7921102A FR2434208B1 FR 2434208 B1 FR2434208 B1 FR 2434208B1 FR 7921102 A FR7921102 A FR 7921102A FR 7921102 A FR7921102 A FR 7921102A FR 2434208 B1 FR2434208 B1 FR 2434208B1
Authority
FR
France
Prior art keywords
producing
same
steel sheets
press forming
forming ability
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
FR7921102A
Other languages
English (en)
Other versions
FR2434208A1 (fr
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
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Publication of FR2434208A1 publication Critical patent/FR2434208A1/fr
Application granted granted Critical
Publication of FR2434208B1 publication Critical patent/FR2434208B1/fr
Expired 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0478—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing involving a particular surface treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
FR7921102A 1978-08-22 1979-08-21 Toles d'acier a resistance a leur rupture elevee ayant une grande aptitude au formage a la presse et leur procede de production Expired FR2434208B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53102054A JPS5832218B2 (ja) 1978-08-22 1978-08-22 プレス性とくに形状凍結性の優れた高張力鋼板の製造方法

Publications (2)

Publication Number Publication Date
FR2434208A1 FR2434208A1 (fr) 1980-03-21
FR2434208B1 true FR2434208B1 (fr) 1985-08-16

Family

ID=14317046

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921102A Expired FR2434208B1 (fr) 1978-08-22 1979-08-21 Toles d'acier a resistance a leur rupture elevee ayant une grande aptitude au formage a la presse et leur procede de production

Country Status (6)

Country Link
US (1) US4292097A (fr)
JP (1) JPS5832218B2 (fr)
DE (1) DE2933670C2 (fr)
FR (1) FR2434208B1 (fr)
GB (1) GB2028690B (fr)
IT (1) IT1122835B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609410A (en) * 1980-12-04 1986-09-02 United States Steel Corporation Method for producing high-strength deep-drawable dual-phase steel sheets
CA1182387A (fr) * 1980-12-04 1985-02-12 Uss Engineers And Consultants, Inc. Methode de production de tole d'acier biphase hautement resistant se pretant au laminage
FR2533363B1 (fr) * 1982-09-17 1985-11-08 Merlin Gerin Disjoncteur electrique a courant alternatif equipe d'un declencheur magnetothermique et d'un organe de commutation statique a telecommande
EP0194118B1 (fr) * 1985-03-06 1990-07-25 Kawasaki Steel Corporation Fabrication de tôles d'acier minces à haute résistance à la formation de stries et aptes à la mise en forme
NL8500658A (nl) * 1985-03-08 1986-10-01 Hoogovens Groep Bv Werkwijze voor het vervaardigen van dual phase verpakkingsstaal.
FR2736933B1 (fr) * 1995-07-18 1997-08-22 Lorraine Laminage Procede de fabrication d'une bande de tole mince a emboutissabilite amelioree
DE19936151A1 (de) * 1999-07-31 2001-02-08 Thyssenkrupp Stahl Ag Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung
KR100509618B1 (ko) * 2000-12-16 2005-08-24 주식회사 포스코 냉연 법랑강판 제조방법
TWI303672B (en) * 2002-07-29 2008-12-01 Jfe Steel Corp Coated steel sheet provided with electrodeposition painting having superior appearance
CN103060703B (zh) * 2013-01-22 2015-09-23 宝山钢铁股份有限公司 一种780MPa级冷轧双相带钢及其制造方法
US20220251676A1 (en) * 2019-07-30 2022-08-11 Jfe Steel Corporation High-strength steel sheet and method for manufacturing same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806376A (en) * 1969-12-30 1974-04-23 Nippon Steel Corp Method for producing low-carbon cold rolled steel sheet having excellent cold working properties and an apparatus for continuous treatment thereof
JPS5322052B2 (fr) * 1971-12-27 1978-07-06
US3920487A (en) * 1972-09-26 1975-11-18 Nippon Steel Corp Press forming cold rolled steel sheet and a producing method thereof
JPS5619380B2 (fr) * 1973-08-11 1981-05-07
JPS548330B2 (fr) * 1973-12-11 1979-04-14
JPS5114810A (ja) * 1974-07-30 1976-02-05 Nippon Steel Corp Taipuresukatakajiriseino sugureta kochoryokunetsuenkohan
JPS5178730A (en) * 1974-12-30 1976-07-08 Nippon Steel Corp Fueraitosoto kyureihentaisoyorinaru fukugososhikikohanno seizohoho
JPS5226313A (en) * 1975-08-25 1977-02-26 Nippon Kokan Kk <Nkk> Manufacturing process of cold roled steel sheets of low yielding point by continuous annealing
CA1071072A (fr) * 1975-12-19 1980-02-05 General Motors Corporation Acier faconnable faiblement allie et a resistance elevee
BE839471A (fr) * 1976-03-11 1976-07-01 Procede pour ameliorer la formabilite des aciers lamines a chaud
US4067756A (en) * 1976-11-02 1978-01-10 The United States Of America As Represented By The United States Department Of Energy High strength, high ductility low carbon steel
US4072543A (en) * 1977-01-24 1978-02-07 Amax Inc. Dual-phase hot-rolled steel strip
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
US4159218A (en) * 1978-08-07 1979-06-26 National Steel Corporation Method for producing a dual-phase ferrite-martensite steel strip
US4196025A (en) * 1978-11-02 1980-04-01 Ford Motor Company High strength dual-phase steel

Also Published As

Publication number Publication date
IT1122835B (it) 1986-04-23
GB2028690B (en) 1982-08-11
DE2933670C2 (de) 1985-10-17
US4292097A (en) 1981-09-29
FR2434208A1 (fr) 1980-03-21
DE2933670A1 (de) 1980-03-06
JPS5528375A (en) 1980-02-28
JPS5832218B2 (ja) 1983-07-12
GB2028690A (en) 1980-03-12
IT7925210A0 (it) 1979-08-21

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Legal Events

Date Code Title Description
ST Notification of lapse