EP1466024A1 - Verfahren zur herstellung eines eisenhüttenprodukts aus unlegiertem stahl mit hohem kupfergehalt und danach erhaltenes eisenhüttenprodukt - Google Patents

Verfahren zur herstellung eines eisenhüttenprodukts aus unlegiertem stahl mit hohem kupfergehalt und danach erhaltenes eisenhüttenprodukt

Info

Publication number
EP1466024A1
EP1466024A1 EP03712234A EP03712234A EP1466024A1 EP 1466024 A1 EP1466024 A1 EP 1466024A1 EP 03712234 A EP03712234 A EP 03712234A EP 03712234 A EP03712234 A EP 03712234A EP 1466024 A1 EP1466024 A1 EP 1466024A1
Authority
EP
European Patent Office
Prior art keywords
strip
copper
temperature
steel
carried out
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
EP03712234A
Other languages
English (en)
French (fr)
Other versions
EP1466024B1 (de
Inventor
Nicolas Patrice Guelton
Michel Faral
Jean=Pierre Birat
Catherine Juckum
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 France SA
Original Assignee
USINOR 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=8871276&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1466024(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by USINOR SA filed Critical USINOR SA
Publication of EP1466024A1 publication Critical patent/EP1466024A1/de
Application granted granted Critical
Publication of EP1466024B1 publication Critical patent/EP1466024B1/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
    • C21D8/04—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
    • 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
    • C21D8/0415—Rapid solidification; Thin strip casting
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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

Definitions

  • the hardening power of copper by precipitation is optimal when the copper is kept entirely in solid solution before the precipitation treatment by quenching.
  • the contribution of precipitation to hardening is all the lower the higher the precipitation temperature.
  • the copper should therefore not precipitate on cooling until the tempering temperature has been reached.
  • the conventional production chain does not allow the execution of such quenching necessary for maximizing the hardening power.
  • the mechanical properties sought on the thin strip are essentially good resistance and good elongation under tension. This document does not, however, discuss in detail the post-casting treatments which would make it possible to obtain a sheet that can be used for industrial application.
  • the object of the invention is to propose processes for the complete production of hot-rolled or cold-rolled sheets of carbon steel having high mechanical properties, in particular high strength, good anisotropy of deformations, as well as good solderability, in which a high copper content is tolerated or even desired.
  • the steels obtained find a preferred application in the field of stamping, when they have been cold rolled and preferably contain at most 1, 8% of copper (the reasons will be seen later);
  • Niobium and titanium may, preferably but not necessarily, be present in contents of up to 0.5% each. They produce carbides favorable to texture control, and when they are over-stoichiometric with respect to carbon, they increase the temperature Aci of the steel, therefore the solubility of copper in ferrite. Typically, each of these elements can be present at a content of approximately 0.05%. The nickel content can be up to 5%, this element being only optional. Nickel is often added in copper steels to combat hot cracking. Its action is twofold. On the one hand, by increasing the solubility of copper in austenite, nickel delays the segregation of copper at the metal-oxide interface.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Steel (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
  • Continuous Casting (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
EP03712234A 2002-01-14 2003-01-13 Verfahren zur herstellung eines eisenhüttenprodukts aus unlegiertem stahl mit hohem kupfergehalt und danach erhaltenes eisenhüttenprodukt Revoked EP1466024B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0200387A FR2834722B1 (fr) 2002-01-14 2002-01-14 Procede de fabrication d'un produit siderurgique en acier au carbone riche en cuivre, et produit siderurgique ainsi obtenu
FR0200387 2002-01-14
PCT/FR2003/000088 WO2003057928A1 (fr) 2002-01-14 2003-01-13 Procede de fabrication d'un produit siderurgique en acier au carbone riche en cuivre, et produit siderurgique ainsi obtenu

Publications (2)

Publication Number Publication Date
EP1466024A1 true EP1466024A1 (de) 2004-10-13
EP1466024B1 EP1466024B1 (de) 2007-07-25

Family

ID=8871276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03712234A Revoked EP1466024B1 (de) 2002-01-14 2003-01-13 Verfahren zur herstellung eines eisenhüttenprodukts aus unlegiertem stahl mit hohem kupfergehalt und danach erhaltenes eisenhüttenprodukt

Country Status (13)

Country Link
US (2) US7425240B2 (de)
EP (1) EP1466024B1 (de)
JP (1) JP2005514518A (de)
KR (1) KR20040069357A (de)
CN (1) CN100334235C (de)
AT (1) ATE368132T1 (de)
AU (1) AU2003216715A1 (de)
BR (1) BR0307165A (de)
CA (1) CA2473050A1 (de)
DE (1) DE60315129T2 (de)
ES (1) ES2289270T3 (de)
FR (1) FR2834722B1 (de)
WO (1) WO2003057928A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016174020A1 (de) * 2015-04-30 2016-11-03 Salzgitter Flachstahl Gmbh Verfahren zur erzeugung eines warm- oder kaltbandes aus einem stahl mit erhöhtem kupfergehalt
EP2690183B1 (de) 2012-07-27 2017-06-28 ThyssenKrupp Steel Europe AG Warmgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung
US10301700B2 (en) 2013-08-22 2019-05-28 Thyssenkrupp Steel Europe Ag Method for producing a steel component

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US7618503B2 (en) * 2001-06-29 2009-11-17 Mccrink Edward J Method for improving the performance of seam-welded joints using post-weld heat treatment
FR2834722B1 (fr) * 2002-01-14 2004-12-24 Usinor Procede de fabrication d'un produit siderurgique en acier au carbone riche en cuivre, et produit siderurgique ainsi obtenu
AT504225B1 (de) * 2006-09-22 2008-10-15 Siemens Vai Metals Tech Gmbh Verfahren zur herstellung eines stahlbandes
KR20090112705A (ko) * 2007-01-17 2009-10-28 케이브이에이, 인코포레이티드 후 용접 열처리를 사용한 시임 용접 조인트의 성능 개선 방법
BRPI0803913A2 (pt) * 2008-09-12 2010-06-22 Univ Fed Do Espirito Santo Ufe nova tecnologia para produção de aços patináveis, com alto cobre e baixo manganês, apresentando vantagens tecnológicas, econÈmicas e ambientais
US20100215981A1 (en) * 2009-02-20 2010-08-26 Nucor Corporation Hot rolled thin cast strip product and method for making the same
RU2477323C1 (ru) * 2011-09-29 2013-03-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ производства толстолистового низколегированного проката
EP2690184B1 (de) 2012-07-27 2020-09-02 ThyssenKrupp Steel Europe AG Kaltgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung
WO2015001367A1 (en) 2013-07-04 2015-01-08 Arcelormittal Investigación Y Desarrollo Sl Cold rolled steel sheet, method of manufacturing and vehicle
GB2546809B (en) * 2016-02-01 2018-05-09 Rolls Royce Plc Low cobalt hard facing alloy
GB2546808B (en) * 2016-02-01 2018-09-12 Rolls Royce Plc Low cobalt hard facing alloy
CN105838966A (zh) * 2016-05-18 2016-08-10 安徽合矿机械股份有限公司 一种汽车齿轮用耐疲劳材料
CN107321795A (zh) * 2017-06-19 2017-11-07 太仓市钧胜轧辊有限公司 一种高强度复合轧辊
WO2021052317A1 (zh) 2019-09-19 2021-03-25 宝山钢铁股份有限公司 一种耐硫酸露点腐蚀用热轧钢板/带及其制造方法
DE112020004462T9 (de) 2019-09-19 2022-08-04 Baoshan Iron & Steel Co., Ltd. Feuerfestes und witterungsbeständiges stahlblech/-band und verfahren zur herstellung desselben
CN112522576B (zh) 2019-09-19 2022-11-18 宝山钢铁股份有限公司 一种薄规格高耐蚀钢及其生产方法

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JPS644429A (en) * 1987-06-26 1989-01-09 Nippon Steel Corp Manufacture of high-strength cold-rolled steel sheet with high (r) value
JPH01156418A (ja) * 1987-12-14 1989-06-20 Yamakawa Kogyo Kk 自動車用高強度駆動伝達部品の製造方法
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FR2834722B1 (fr) * 2002-01-14 2004-12-24 Usinor Procede de fabrication d'un produit siderurgique en acier au carbone riche en cuivre, et produit siderurgique ainsi obtenu

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Title
See references of WO03057928A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2690183B1 (de) 2012-07-27 2017-06-28 ThyssenKrupp Steel Europe AG Warmgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung
US10301700B2 (en) 2013-08-22 2019-05-28 Thyssenkrupp Steel Europe Ag Method for producing a steel component
WO2016174020A1 (de) * 2015-04-30 2016-11-03 Salzgitter Flachstahl Gmbh Verfahren zur erzeugung eines warm- oder kaltbandes aus einem stahl mit erhöhtem kupfergehalt

Also Published As

Publication number Publication date
FR2834722B1 (fr) 2004-12-24
EP1466024B1 (de) 2007-07-25
ES2289270T3 (es) 2008-02-01
CN100334235C (zh) 2007-08-29
FR2834722A1 (fr) 2003-07-18
US20050028898A1 (en) 2005-02-10
DE60315129T2 (de) 2008-04-10
US7425240B2 (en) 2008-09-16
BR0307165A (pt) 2004-11-03
CA2473050A1 (fr) 2003-07-17
DE60315129D1 (de) 2007-09-06
JP2005514518A (ja) 2005-05-19
KR20040069357A (ko) 2004-08-05
WO2003057928A1 (fr) 2003-07-17
AU2003216715A1 (en) 2003-07-24
ATE368132T1 (de) 2007-08-15
CN1633509A (zh) 2005-06-29
US20080257456A1 (en) 2008-10-23

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