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DE50205631D1 - Ferritisch/martensitischer Stahl mit hoher Festigkeit und sehr feinem Gefüge - Google Patents

Ferritisch/martensitischer Stahl mit hoher Festigkeit und sehr feinem Gefüge

Info

Publication number
DE50205631D1
DE50205631D1 DE50205631T DE50205631T DE50205631D1 DE 50205631 D1 DE50205631 D1 DE 50205631D1 DE 50205631 T DE50205631 T DE 50205631T DE 50205631 T DE50205631 T DE 50205631T DE 50205631 D1 DE50205631 D1 DE 50205631D1
Authority
DE
Germany
Prior art keywords
ferritic
high strength
fine structure
martensitic steel
degrees
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.)
Revoked
Application number
DE50205631T
Other languages
English (en)
Inventor
Andreas Nuss
Dr-Ing Heller
Dr-Ing Engl
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 Stahl 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=31725389&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE50205631(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ThyssenKrupp Stahl AG filed Critical ThyssenKrupp Stahl AG
Application granted granted Critical
Publication of DE50205631D1 publication Critical patent/DE50205631D1/de
Anticipated expiration legal-status Critical
Revoked 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C21D8/0226—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
    • C21D2201/00—Treatment for obtaining particular effects
    • 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)
  • 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)
  • Catalysts (AREA)
DE50205631T 2002-09-11 2002-09-11 Ferritisch/martensitischer Stahl mit hoher Festigkeit und sehr feinem Gefüge Revoked DE50205631D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02020294A EP1398390B1 (de) 2002-09-11 2002-09-11 Ferritisch/martensitischer Stahl mit hoher Festigkeit und sehr feinem Gefüge

Publications (1)

Publication Number Publication Date
DE50205631D1 true DE50205631D1 (de) 2006-04-06

Family

ID=31725389

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50205631T Revoked DE50205631D1 (de) 2002-09-11 2002-09-11 Ferritisch/martensitischer Stahl mit hoher Festigkeit und sehr feinem Gefüge

Country Status (4)

Country Link
EP (1) EP1398390B1 (de)
AT (1) ATE316157T1 (de)
DE (1) DE50205631D1 (de)
ES (1) ES2256378T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4470701B2 (ja) * 2004-01-29 2010-06-02 Ｊｆｅスチール株式会社 加工性および表面性状に優れた高強度薄鋼板およびその製造方法
WO2006107066A1 (ja) * 2005-03-31 2006-10-12 Jfe Steel Corporation 熱延鋼板、その製造方法および熱延鋼板成形体
ES2325961T3 (es) * 2006-10-30 2009-09-25 Thyssenkrupp Steel Ag Procedimiento para fabricar productos planos de acero a partir de un acero que forma una estructura martensitica.
DE502006003833D1 (de) * 2006-10-30 2009-07-09 Thyssenkrupp Steel Ag Verfahren zum Herstellen von Stahl-Flachprodukten aus einem mit Silizium legierten Mehrphasenstahl
DE102006053819A1 (de) * 2006-11-14 2008-05-15 Thyssenkrupp Steel Ag Verfahren zum Herstellen eines Bauteil durch Warmpresshärten und hochfestes Bauteil mit verbesserter Bruchdehnung
PT2553132E (pt) * 2010-03-29 2015-09-10 Arcelormittal Investigación Y Desarrollo Sl Produto de aço com características de resistência melhorada ao clima em condições salinas
WO2011135700A1 (ja) 2010-04-28 2011-11-03 住友金属工業株式会社 動的強度に優れた複相熱延鋼板およびその製造方法
PL2889395T3 (pl) 2012-08-21 2018-03-30 Nippon Steel & Sumitomo Metal Corporation Materiał stalowy
CN103667651B (zh) * 2013-11-28 2016-03-09 安徽银力铸造有限公司 一种汽车用高强度热轧钢的制备方法
DE112015005690T8 (de) 2014-12-19 2018-04-19 Nucor Corporation Warmgewalztes martensitisches Leichtbau-Stahlblech und Verfahren zum Herstellen desselben
JP7186694B2 (ja) 2016-05-10 2022-12-09 ユナイテッド ステイツ スチール コーポレイション 高強度鋼製品及び該製品を製造するためのアニーリング工程

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466842A (en) * 1982-04-03 1984-08-21 Nippon Steel Corporation Ferritic steel having ultra-fine grains and a method for producing the same
JPS6134116A (ja) * 1984-07-24 1986-02-18 Sumitomo Metal Ind Ltd 強靭性熱間圧延コイルの製造法
CN1078623C (zh) * 1996-11-28 2002-01-30 新日本制铁株式会社 具有高冲击能量吸收性能的高强度钢及其生产方法
KR100334949B1 (ko) * 1997-03-17 2002-05-04 아사무라 타카싯 동적변형 특성이 우수한 듀얼 페이즈형 고강도 강판 및 그 제조방법
KR100498214B1 (ko) * 1997-09-11 2005-07-01 제이에프이 스틸 가부시키가이샤 초미세 입자를 함유하는 가공용 열간 압연 강판과 이의 제조방법, 및 냉간 압연 강판의 제조 방법
DE19911287C1 (de) * 1999-03-13 2000-08-31 Thyssenkrupp Stahl Ag Verfahren zum Erzeugen eines Warmbandes

Also Published As

Publication number Publication date
EP1398390B1 (de) 2006-01-18
ES2256378T3 (es) 2006-07-16
ATE316157T1 (de) 2006-02-15
EP1398390A1 (de) 2004-03-17

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: THYSSENKRUPP STEEL AG, 47166 DUISBURG, DE

8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: THYSSENKRUPP STEEL EUROPE AG, 47166 DUISBURG, DE

8331 Complete revocation