EP1291448A4 - Tole d'acier laminee a froid et tole d'acier galvanisee possedant des proprietes de durcissement par ecrouissage et par precipitation et procede de production associe - Google Patents

Tole d'acier laminee a froid et tole d'acier galvanisee possedant des proprietes de durcissement par ecrouissage et par precipitation et procede de production associe

Info

Publication number
EP1291448A4
EP1291448A4 EP01906128A EP01906128A EP1291448A4 EP 1291448 A4 EP1291448 A4 EP 1291448A4 EP 01906128 A EP01906128 A EP 01906128A EP 01906128 A EP01906128 A EP 01906128A EP 1291448 A4 EP1291448 A4 EP 1291448A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
producing
same
cold rolled
strain aging
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.)
Granted
Application number
EP01906128A
Other languages
German (de)
English (en)
Other versions
EP1291448A1 (fr
EP1291448B1 (fr
Inventor
Chikara Kami
Akio Tosaka
Takuya Yamazaki
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
JFE 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
Priority claimed from JP2000156274A external-priority patent/JP4524859B2/ja
Priority claimed from JP2000335803A external-priority patent/JP4665302B2/ja
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Priority to EP04023082A priority Critical patent/EP1498506B1/fr
Priority to EP04023101A priority patent/EP1498507B1/fr
Publication of EP1291448A1 publication Critical patent/EP1291448A1/fr
Publication of EP1291448A4 publication Critical patent/EP1291448A4/fr
Application granted granted Critical
Publication of EP1291448B1 publication Critical patent/EP1291448B1/fr
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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0426—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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0421—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
    • C21D8/0436—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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/0447—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
    • C21D8/0473—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)
  • Coating With Molten Metal (AREA)
EP01906128A 2000-05-26 2001-02-14 Tole d'acier laminee a froid et tole d'acier galvanisee possedant des proprietes de durcissement par ecrouissage et par precipitation et procede de production associe Expired - Lifetime EP1291448B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04023082A EP1498506B1 (fr) 2000-05-26 2001-02-14 Tôle d'acier à haute resistance laminée a froid ayant une haute r-valeur, excellente aptitude au durcissement au vieillissement par écrouissage et son procédé de fabrication
EP04023101A EP1498507B1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid, galvanisee ayant excellent aptitude au durcissement au viellissement par ecruissage et son procede de fabrication

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP2000156274 2000-05-26
JP2000156274A JP4524859B2 (ja) 2000-05-26 2000-05-26 歪時効硬化特性に優れた深絞り用冷延鋼板およびその製造方法
JP2000193717 2000-06-28
JP2000193717 2000-06-28
JP2000328924 2000-10-27
JP2000328924 2000-10-27
JP2000335803A JP4665302B2 (ja) 2000-11-02 2000-11-02 高ｒ値と優れた歪時効硬化特性および常温非時効性を有する高張力冷延鋼板およびその製造方法
JP2000335803 2000-11-02
PCT/JP2001/001004 WO2001090431A1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid et tole d'acier galvanisee possedant des proprietes de durcissement par ecrouissage et par precipitation et procede de production associe

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP04023101A Division EP1498507B1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid, galvanisee ayant excellent aptitude au durcissement au viellissement par ecruissage et son procede de fabrication
EP04023082A Division EP1498506B1 (fr) 2000-05-26 2001-02-14 Tôle d'acier à haute resistance laminée a froid ayant une haute r-valeur, excellente aptitude au durcissement au vieillissement par écrouissage et son procédé de fabrication

Publications (3)

Publication Number Publication Date
EP1291448A1 EP1291448A1 (fr) 2003-03-12
EP1291448A4 true EP1291448A4 (fr) 2004-06-30
EP1291448B1 EP1291448B1 (fr) 2006-06-28

Family

ID=27481319

Family Applications (3)

Application Number Title Priority Date Filing Date
EP04023101A Expired - Lifetime EP1498507B1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid, galvanisee ayant excellent aptitude au durcissement au viellissement par ecruissage et son procede de fabrication
EP04023082A Expired - Lifetime EP1498506B1 (fr) 2000-05-26 2001-02-14 Tôle d'acier à haute resistance laminée a froid ayant une haute r-valeur, excellente aptitude au durcissement au vieillissement par écrouissage et son procédé de fabrication
EP01906128A Expired - Lifetime EP1291448B1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid et tole d'acier galvanisee possedant des proprietes de durcissement par ecrouissage et par precipitation et procede de production associe

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP04023101A Expired - Lifetime EP1498507B1 (fr) 2000-05-26 2001-02-14 Tole d'acier laminee a froid, galvanisee ayant excellent aptitude au durcissement au viellissement par ecruissage et son procede de fabrication
EP04023082A Expired - Lifetime EP1498506B1 (fr) 2000-05-26 2001-02-14 Tôle d'acier à haute resistance laminée a froid ayant une haute r-valeur, excellente aptitude au durcissement au vieillissement par écrouissage et son procédé de fabrication

Country Status (7)

Country Link
EP (3) EP1498507B1 (fr)
KR (1) KR20020019124A (fr)
CN (1) CN1158398C (fr)
CA (1) CA2379698C (fr)
DE (3) DE60121162T2 (fr)
TW (1) TW565621B (fr)
WO (1) WO2001090431A1 (fr)

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EP0510718A2 (fr) * 1991-04-26 1992-10-28 Kawasaki Steel Corporation Tôle en acier à haute résistance, laminée à froid, inaltérable à température ambiante et ayant l'aptitude à l'emboutissage profond et procédé de fabrication
EP0608430A1 (fr) * 1992-06-22 1994-08-03 Nippon Steel Corporation Tole laminee a froid representant une trempabilite pour peinture au four et des caracteristiques de vieillissement et une aptitude au moulage autrement qu'a froid excellentes, et tole zinguee laminee a froid et procede de fabrication
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EP0659890A2 (fr) * 1993-12-21 1995-06-28 Kawasaki Steel Corporation Procédé de fabrication de tôles minces en acier ayant une anisotropie planaire réduite pour boîtes
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KR20020019124A (ko) 2002-03-09
DE60121162D1 (de) 2006-08-10
CN1158398C (zh) 2004-07-21
DE60121233T2 (de) 2006-11-09
DE60121234T2 (de) 2006-11-09
CA2379698A1 (fr) 2001-11-29
EP1291448A1 (fr) 2003-03-12
WO2001090431A1 (fr) 2001-11-29
DE60121233D1 (de) 2006-08-10
DE60121234D1 (de) 2006-08-10
EP1498507A1 (fr) 2005-01-19
DE60121162T2 (de) 2006-11-09
CA2379698C (fr) 2009-02-17
EP1498506B1 (fr) 2006-06-28
CN1386140A (zh) 2002-12-18
EP1498506A1 (fr) 2005-01-19
EP1291448B1 (fr) 2006-06-28
TW565621B (en) 2003-12-11

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