ATE249528T1 - Niobium enthaltender stahl und verfahren zur herstellung von flachprodukten aus diesem stahl - Google Patents

Niobium enthaltender stahl und verfahren zur herstellung von flachprodukten aus diesem stahl

Info

Publication number
ATE249528T1
ATE249528T1 AT98200844T AT98200844T ATE249528T1 AT E249528 T1 ATE249528 T1 AT E249528T1 AT 98200844 T AT98200844 T AT 98200844T AT 98200844 T AT98200844 T AT 98200844T AT E249528 T1 ATE249528 T1 AT E249528T1
Authority
AT
Austria
Prior art keywords
steel
niobium
degrees
containing niobium
flat products
Prior art date
Application number
AT98200844T
Other languages
German (de)
English (en)
Inventor
Philippe Harlet
Helmut Ruhl
Firmin Beco
Heiko Reichelt
Original Assignee
Cockerill Rech & Dev
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=3890428&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE249528(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cockerill Rech & Dev filed Critical Cockerill Rech & Dev
Application granted granted Critical
Publication of ATE249528T1 publication Critical patent/ATE249528T1/de

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
    • 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
    • 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
    • C21D8/0421—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 working steps
    • C21D8/0426—Hot rolling
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C21D8/041—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 fabrication or treatment of ingot or slab
    • 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
    • C21D8/0421—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 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 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Catalysts (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Treatment Of Steel (AREA)
AT98200844T 1997-03-27 1998-03-18 Niobium enthaltender stahl und verfahren zur herstellung von flachprodukten aus diesem stahl ATE249528T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9700270A BE1011066A3 (fr) 1997-03-27 1997-03-27 Acier au niobium et procede de fabrication de produits plats a partir de celui-ci.

Publications (1)

Publication Number Publication Date
ATE249528T1 true ATE249528T1 (de) 2003-09-15

Family

ID=3890428

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98200844T ATE249528T1 (de) 1997-03-27 1998-03-18 Niobium enthaltender stahl und verfahren zur herstellung von flachprodukten aus diesem stahl

Country Status (7)

Country Link
EP (1) EP0870848B1 (fr)
AT (1) ATE249528T1 (fr)
BE (1) BE1011066A3 (fr)
DE (1) DE69817900T2 (fr)
DK (1) DK0870848T3 (fr)
ES (1) ES2207787T3 (fr)
PT (1) PT870848E (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2820150B1 (fr) * 2001-01-26 2003-03-28 Usinor Acier isotrope a haute resistance, procede de fabrication de toles et toles obtenues
US7365269B2 (en) 2002-10-09 2008-04-29 Prysmian Cavi E Sistemi Energia S.R.L. Method of screening the magnetic field generated by an electrical power transmission line and electrical power transmission line so screened
FR2845694B1 (fr) 2002-10-14 2005-12-30 Usinor Procede de fabrication de toles d'acier durcissables par cuisson, toles d'acier et pieces ainsi obtenues
UA109963C2 (uk) * 2011-09-06 2015-10-26 Катана сталь, яка затвердіває внаслідок виділення часток після гарячого формування і/або загартовування в інструменті, яка має високу міцність і пластичність, та спосіб її виробництва

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5853708B2 (ja) * 1979-03-15 1983-11-30 住友金属工業株式会社 衝合部靭性の優れた溶接鋼管
JPS6045689B2 (ja) * 1982-02-19 1985-10-11 川崎製鉄株式会社 プレス成形性にすぐれた冷延鋼板の製造方法
JPS59123721A (ja) * 1982-12-29 1984-07-17 Kawasaki Steel Corp 加工性にすぐれた冷延鋼板の製造方法
JPS6164852A (ja) * 1984-09-03 1986-04-03 Kawasaki Steel Corp 面内異方性の極めて少ないプレス加工用非時効性冷延鋼板
JPS6160860A (ja) * 1984-09-03 1986-03-28 Nippon Kokan Kk <Nkk> メツキ密着性の優れた深絞り用亜鉛メツキ鋼板およびその製造方法
DE3803064C2 (de) * 1988-01-29 1995-04-20 Preussag Stahl Ag Kaltgewalztes Blech oder Band und Verfahren zu seiner Herstellung
EP0421087B1 (fr) * 1989-08-09 1994-11-30 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Procédé pour la fabrication d'une tôle d'acier
JP2542536B2 (ja) * 1991-02-28 1996-10-09 新日本製鐵株式会社 塗装焼付硬化性と２次加工性に優れた深絞り用冷延鋼板の製造方法
CA2097900C (fr) * 1992-06-08 1997-09-16 Saiji Matsuoka Tole d'acier laminee a froid a haute resistance pour emboutissage profond et procede de fabrication
DE19547181C1 (de) * 1995-12-16 1996-10-10 Krupp Ag Hoesch Krupp Verfahren zur Herstellung eines kaltgewalzten, höherfesten Bandstahles mit guter Umformbarkeit bei isotropen Eigenschaften
AU721071B2 (en) * 1996-02-08 2000-06-22 Jfe Steel Corporation Steel sheet for 2 piece battery can having excellent formability, anti secondary work embrittlement and corrosion resistance
US5853903A (en) * 1996-05-07 1998-12-29 Nkk Corporation Steel sheet for excellent panel appearance and dent resistance after panel-forming

Also Published As

Publication number Publication date
PT870848E (pt) 2004-01-30
DE69817900T2 (de) 2004-07-22
DE69817900D1 (de) 2003-10-16
EP0870848A1 (fr) 1998-10-14
DK0870848T3 (da) 2004-01-12
BE1011066A3 (fr) 1999-04-06
ES2207787T3 (es) 2004-06-01
EP0870848B1 (fr) 2003-09-10

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