ES2207787T3 - Acero al niobio y procedimiento de fabricacion de productos planos a partir de este. - Google Patents

Acero al niobio y procedimiento de fabricacion de productos planos a partir de este.

Info

Publication number
ES2207787T3
ES2207787T3 ES98200844T ES98200844T ES2207787T3 ES 2207787 T3 ES2207787 T3 ES 2207787T3 ES 98200844 T ES98200844 T ES 98200844T ES 98200844 T ES98200844 T ES 98200844T ES 2207787 T3 ES2207787 T3 ES 2207787T3
Authority
ES
Spain
Prior art keywords
niobium
content
steel
weight
temperature
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
ES98200844T
Other languages
English (en)
Spanish (es)
Inventor
Philippe Harlet
Helmut Ruhl
Firmin Beco
Heiko Reichelt
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.)
ArcelorMittal Liege Upstream SA
Original Assignee
Cockerill Sambre SA
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=ES2207787(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cockerill Sambre SA filed Critical Cockerill Sambre SA
Application granted granted Critical
Publication of ES2207787T3 publication Critical patent/ES2207787T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
  • Heat Treatment Of Steel (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compositions Of Oxide Ceramics (AREA)
ES98200844T 1997-03-27 1998-03-18 Acero al niobio y procedimiento de fabricacion de productos planos a partir de este. Expired - Lifetime ES2207787T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9700270 1997-03-27
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
ES2207787T3 true ES2207787T3 (es) 2004-06-01

Family

ID=3890428

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98200844T Expired - Lifetime ES2207787T3 (es) 1997-03-27 1998-03-18 Acero al niobio y procedimiento de fabricacion de productos planos a partir de este.

Country Status (7)

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

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
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
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
DE3803064C2 (de) * 1988-01-29 1995-04-20 Preussag Stahl Ag Kaltgewalztes Blech oder Band und Verfahren zu seiner Herstellung
EP0421087B1 (en) * 1989-08-09 1994-11-30 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Method of manufacturing a steel sheet
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
US5360493A (en) * 1992-06-08 1994-11-01 Kawasaki Steel Corporation High-strength cold-rolled steel sheet excelling in deep drawability and method of producing the same
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
DE69817900D1 (de) 2003-10-16
DK0870848T3 (da) 2004-01-12
ATE249528T1 (de) 2003-09-15
BE1011066A3 (fr) 1999-04-06
EP0870848B1 (fr) 2003-09-10
EP0870848A1 (fr) 1998-10-14
DE69817900T2 (de) 2004-07-22
PT870848E (pt) 2004-01-30

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