DE50210689D1 - HIGH-STRENGTH, COLD-FORMABLE STEEL AND STEEL STRIP OR BLADE, METHOD FOR THE PRODUCTION OF STEEL STRIP AND USE OF SUCH STEEL - Google Patents

HIGH-STRENGTH, COLD-FORMABLE STEEL AND STEEL STRIP OR BLADE, METHOD FOR THE PRODUCTION OF STEEL STRIP AND USE OF SUCH STEEL

Info

Publication number
DE50210689D1
DE50210689D1 DE50210689T DE50210689T DE50210689D1 DE 50210689 D1 DE50210689 D1 DE 50210689D1 DE 50210689 T DE50210689 T DE 50210689T DE 50210689 T DE50210689 T DE 50210689T DE 50210689 D1 DE50210689 D1 DE 50210689D1
Authority
DE
Germany
Prior art keywords
steel
steel strip
strength
strip
blade
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
DE50210689T
Other languages
German (de)
Inventor
Harald Hofmann
Bernhard Engl
Manfred Menne
Thomas Heller
Werner Zimmermann
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Steel AG
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=7688074&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE50210689(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ThyssenKrupp Steel AG filed Critical ThyssenKrupp Steel AG
Application granted granted Critical
Publication of DE50210689D1 publication Critical patent/DE50210689D1/en
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
    • 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
    • C22C38/04—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
    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • 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
    • 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
    • C21D8/0247—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)
  • 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)
  • Heat Treatment Of Steel (AREA)

Abstract

A steel strip or sheet steel having good cold formability and high-strength is described, comprising a light steel having (in weight-percent) C: <=1.00%, Mn: 7.00-30.00%, Al: 1.00-10.00%, Si: >2.50-8.00%, Al+Si: >3.50-12.00%, B: >0.00-<0.01%, as well as alternately Ni: <8.00%, Cu: <3.00%, N: <0.60%, Nb: <0.30%, Ti: <0.30%, V: <0.30%, P: <0.01%, with the remainder iron and unavoidable impurities.
DE50210689T 2001-06-13 2002-06-13 HIGH-STRENGTH, COLD-FORMABLE STEEL AND STEEL STRIP OR BLADE, METHOD FOR THE PRODUCTION OF STEEL STRIP AND USE OF SUCH STEEL Expired - Lifetime DE50210689D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10128544A DE10128544C2 (en) 2001-06-13 2001-06-13 High-strength, cold-workable sheet steel, process for its production and use of such a sheet
PCT/EP2002/006480 WO2002101109A1 (en) 2001-06-13 2002-06-13 Highly stable, steel and steel strips or steel sheets cold-formed, method for the production of steel strips and uses of said steel

Publications (1)

Publication Number Publication Date
DE50210689D1 true DE50210689D1 (en) 2007-09-27

Family

ID=7688074

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10128544A Expired - Fee Related DE10128544C2 (en) 2001-06-13 2001-06-13 High-strength, cold-workable sheet steel, process for its production and use of such a sheet
DE50210689T Expired - Lifetime DE50210689D1 (en) 2001-06-13 2002-06-13 HIGH-STRENGTH, COLD-FORMABLE STEEL AND STEEL STRIP OR BLADE, METHOD FOR THE PRODUCTION OF STEEL STRIP AND USE OF SUCH STEEL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10128544A Expired - Fee Related DE10128544C2 (en) 2001-06-13 2001-06-13 High-strength, cold-workable sheet steel, process for its production and use of such a sheet

Country Status (12)

Country Link
US (1) US20030145911A1 (en)
EP (1) EP1309734B2 (en)
JP (1) JP4227010B2 (en)
KR (1) KR100536645B1 (en)
CN (1) CN1215188C (en)
AT (1) ATE370258T1 (en)
CA (1) CA2414138C (en)
DE (2) DE10128544C2 (en)
DK (1) DK1309734T3 (en)
ES (1) ES2292762T5 (en)
PT (1) PT1309734E (en)
WO (1) WO2002101109A1 (en)

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Also Published As

Publication number Publication date
EP1309734B1 (en) 2007-08-15
KR20030019908A (en) 2003-03-07
KR100536645B1 (en) 2005-12-14
WO2002101109A1 (en) 2002-12-19
DK1309734T3 (en) 2007-12-27
CN1463297A (en) 2003-12-24
PT1309734E (en) 2007-11-28
EP1309734B2 (en) 2012-06-20
JP2004521192A (en) 2004-07-15
DE10128544C2 (en) 2003-06-05
CA2414138C (en) 2012-12-11
ES2292762T3 (en) 2008-03-16
JP4227010B2 (en) 2009-02-18
CN1215188C (en) 2005-08-17
DE10128544A1 (en) 2003-01-02
ES2292762T5 (en) 2012-10-29
CA2414138A1 (en) 2002-12-02
US20030145911A1 (en) 2003-08-07
EP1309734A1 (en) 2003-05-14
ATE370258T1 (en) 2007-09-15

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