EP1143029A1 - Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech - Google Patents

Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech Download PDF

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Publication number
EP1143029A1
EP1143029A1 EP01400861A EP01400861A EP1143029A1 EP 1143029 A1 EP1143029 A1 EP 1143029A1 EP 01400861 A EP01400861 A EP 01400861A EP 01400861 A EP01400861 A EP 01400861A EP 1143029 A1 EP1143029 A1 EP 1143029A1
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EP
European Patent Office
Prior art keywords
sheet
steel
zinc
stamping
metal
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
EP01400861A
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English (en)
French (fr)
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EP1143029B1 (de
Inventor
Ronald Kefferstein
Xavier Jartoux
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
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Application filed by USINOR SA filed Critical USINOR SA
Priority to DE20122563U priority Critical patent/DE20122563U1/de
Priority to EP10006299.1A priority patent/EP2224034B1/de
Priority to EP06002618.4A priority patent/EP1672088B2/de
Publication of EP1143029A1 publication Critical patent/EP1143029A1/de
Application granted granted Critical
Publication of EP1143029B1 publication Critical patent/EP1143029B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29—Cooling or quenching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching

Definitions

  • the invention relates to a method for producing a part with very high mechanical characteristics, shaped by stamping, from a strip of rolled steel sheet, in particular hot rolled and coated with a metal or a metal alloy providing surface and steel protection.
  • the heat treatment must be carried out under a controlled atmosphere in order to avoid any decarburization and oxidation of the steel.
  • the scale by its abrasive power, damages the forming tools, which reduces the quality of the parts obtained from the dimensional and aesthetic point of view or requires frequent and costly repairs. of tools.
  • the parts thus obtained must receive an expensive post-treatment, the application of which is difficult, if not impossible, in particular in the case of parts comprising recesses.
  • the post-coatings of steels with very high mechanical characteristics also have the disadvantage of creating risks of embrittlement by hydrogen in electro-galvanizing techniques or of modifying the mechanical properties of these steels in techniques of galvanizing by dipping of previously formed parts.
  • the object of the invention is to provide users with laminated steel sheets from 0.2 mm to around 4 mm thick, coated in particular after hot rolling, and having to undergo a shaping, either hot or cold followed by a treatment thermal, as well as a method of producing a part by hot forming, from these coated steel sheets, the temperature rise being ensured without decarburization sheet steel, without oxidation of the surface of said sheet, before, during and after hot forming and or heat treatment.
  • the invention also relates to the use of a strip of laminated steel sheet and in particular hot rolled and coated with a metal or a metal alloy ensuring protection of the surface and the steel of the sheet in forming by especially hot stamping of parts, the parts having high mechanical characteristics in hardness and high hardness characteristics in surface as well as very good abrasion resistance.
  • FIG. 1 is a block diagram of one form of the invention.
  • FIG. 2 is a block diagram of another form of the invention.
  • Figures 3a and 3b are sectional photographs of part of a room, having a zinc coating produced according to the invention, before and after treatment thermal.
  • Figures 4a and 4b are sectional photographs of part of a room, having a zinc aluminum coating produced according to the invention, before and after heat treatment.
  • the method according to the invention as presented in the diagram of FIG. 1, consists, from a sheet of steel for heat treatment and or hot forming especially hot rolled and coated with zinc or a zinc-based alloy, production of a hot-formed part using a tool such as a press stamping.
  • the zinc or zinc alloy coating is chosen so as to generate a protection against corrosion of the base sheet, in coil.
  • the coating forms a layer which combines with the steel of the strip and at this time exhibits an outfit mechanical avoiding the melting of coating metal.
  • the compound formed has a high resistance to corrosion, abrasion, wear and fatigue.
  • the coating does not modify the formability properties of steel and thus allows great variety of cold and hot shaping.
  • the strip After hot rolling, the strip can be pickled and cold rolled before to be clothed. In the case where the sheet is cold rolled, it can be annealed before to be clothed.
  • the laminated sheet can be coated, for example, with zinc, or zinc alloys aluminum.
  • the sheet can be stamped at cold to obtain the part.
  • the part obtained is then subjected to a treatment.
  • a base steel having a tensile strength Rm of around 500 MPa will allow obtaining heat treated parts having steel with Rm resistance greater than 1500 MPa.
  • the sheet is subjected to a temperature rise preferably between 700 ° C and 1200 ° C in an oven with an atmosphere no longer requiring control, made of the barrier to oxidation formed by the coating.
  • a temperature rise preferably between 700 ° C and 1200 ° C in an oven with an atmosphere no longer requiring control, made of the barrier to oxidation formed by the coating.
  • the zinc-based coating turns into an alloy layer in surface comprising different phases depending on the temperature treatment and with a high hardness that can exceed 600 HV 100g.
  • the sheets supplied coated have a high resistance to corrosion during temperature rises, shaping, heat treatments, and when using finished formed parts.
  • the presence of the coating during heat treatments or forming hot prevents decarburization of the base steel. That to an undeniable advantage in the case of hot shaping for example in a stamping press.
  • the intermetallic alloy formed avoids, the formation scale, wear of tools by scale, and thus allows an elongation of the average life of said tools.
  • the intermetallic alloy formed at hot has a high temperature lubricant function.
  • the protective effect against decarburization of the intermetallic alloy allows the use of high furnace temperature exceeding 900 ° C with an uncontrolled atmosphere, even for heating times of several minutes.
  • the parts obtained Due to the characteristics of the coating after temperature rise, the parts obtained have increased resistance to fatigue, wear, abrasion and corrosion, including on edge due to the galvanic behavior of zinc with steel.
  • the coating is weldable before and after temperature rise.
  • the sheet steel ensures, by cooling quenching effect, high mechanical characteristics of the part obtained after shaping, the coating transformed into a hot intermetallic alloy ensuring for its part, made of its qualities of lubricant and resistance to friction, an improvement of the shaping, in particular, in the field of hot stamping.
  • Example 1 zinc coating on steel.
  • a part is made from 1mm thick cold-rolled steel sheet and continuously double-sided galvanized, with a coating thickness of 10 ⁇ m about.
  • the sheet is austenitized at 950 ° C. before forming and quenching in the tool, the coating providing a role of lubricant during shaping, in addition to its protection functions against cold, hot corrosion and decarburization.
  • the alloy coating does not interfere with the extraction of heat by the tool and can promote it. After forming and quenching, it is no longer necessary to strip the part or to protect it, the base coating providing protection throughout the process.
  • the part produced is a matt gray appearance without sagging or bubbles, without flaking or cracks, and not presenting no scale on the edge, in section.
  • Microscope observations scanning electronics show on the surface and in section, that the coating keeps a homogeneous structure and texture and that the Fe-Zn alloy manifests in less than 5 minutes at 950 ° C.
  • the coating comprises as shown in a comparative manner on the Figures 3a and 3b respectively representing, in section, the coating before and after heat treatment, a Zn diffusion interface, with a thickness between 5 and 10 ⁇ m, is a layer formed by Zn-Fe alloy nodules in a matrix zinc, layer with a thickness between 10 and 15 ⁇ m.
  • Table 1 below shows the loss of mass by corrosion after 500 and 1000 hours of salt spray, for an uncoated reference steel, for a galvanized reference steel without heat treatment, and a steel according to two forms of the invention.
  • Mass losses in g / m 2 After 500 hours Mass losses in g / m 2 After 1000 hours
  • the coating after heat treatment resists well in salt spray.
  • this surface composed of zinc and iron, can phosphating in conventional surface treatment baths of the phosphating type trication. Corrosion tests carried out after phosphating and cataphoresis painting show excellent results.
  • the zinc-iron alloy layer also provides protection galvanic of the cathodic protection type wafers.
  • Example 2 coating of aluminum zinc on steel.
  • a 10 ⁇ m coating is applied to a sheet of approximately 1mm.
  • This coating is composed of 50 to 55% aluminum and 45 to 50% zinc with possibly a small amount of silicon.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Coating With Molten Metal (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Forging (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Laminated Bodies (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
EP01400861A 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech Revoked EP1143029B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE20122563U DE20122563U1 (de) 2000-04-07 2001-04-04 Werkstück mit sehr hohen mechanischen Eigenschaften, das durch Tiefziehen ausgehend von einem gewalzten und insbesondere warmgewalzten und beschichteten Bandstahlblech in Form gebracht worden ist
EP10006299.1A EP2224034B1 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech
EP06002618.4A EP1672088B2 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0004427 2000-04-07
FR0004427A FR2807447B1 (fr) 2000-04-07 2000-04-07 Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06002618.4A Division EP1672088B2 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech

Publications (2)

Publication Number Publication Date
EP1143029A1 true EP1143029A1 (de) 2001-10-10
EP1143029B1 EP1143029B1 (de) 2006-05-24

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ID=8848960

Family Applications (3)

Application Number Title Priority Date Filing Date
EP06002618.4A Expired - Lifetime EP1672088B2 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech
EP01400861A Revoked EP1143029B1 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch Tiefziehen, aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech
EP10006299.1A Revoked EP2224034B1 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06002618.4A Expired - Lifetime EP1672088B2 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften, Umformung durch kaltes Tiefziehen aus gewalztem, insbesondere warmgewalztem und beschichtetem Stahlblech

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10006299.1A Revoked EP2224034B1 (de) 2000-04-07 2001-04-04 Verfahren zum Herstellen eines Bauteils mit sehr guten mechanischen Eigenschaften durch Tiefziehen aus gewalztem insbesondere warmgewalztem und beschichtetem Stahlblech

Country Status (12)

Country Link
US (1) US6564604B2 (de)
EP (3) EP1672088B2 (de)
JP (2) JP3663145B2 (de)
AR (1) AR028319A1 (de)
AT (2) ATE327353T1 (de)
BR (2) BRPI0117371B1 (de)
CA (1) CA2343340C (de)
DE (5) DE10006299T1 (de)
DK (1) DK1143029T3 (de)
ES (3) ES2263567T3 (de)
FR (1) FR2807447B1 (de)
PT (2) PT1143029E (de)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1642991A4 (de) * 2003-05-28 2006-09-27 Sumitomo Metal Ind Verfahren zum warmumformen und warmumgeformtes element
WO2007048883A1 (fr) * 2005-10-27 2007-05-03 Usinor Procede de fabrication d'une piece a tres hautes caracteristiques mecaniques a partir d'une tole laminee et revetue
EP1783234A2 (de) 2002-09-26 2007-05-09 ThyssenKrupp Steel AG Verfahren zum Herstellen von Produkten durch Umformen bei erhöhten Temperaturen
WO2007118939A1 (fr) * 2006-04-19 2007-10-25 Arcelor France Procede de fabrication d'une piece soudee a tres hautes caracteristiques mecaniques a partir d'une tole laminee et revetue
WO2008110670A1 (fr) * 2007-03-14 2008-09-18 Arcelormittal France Acier pour formage a chaud ou trempe sous outil a ductilite amelioree
EP2045360A1 (de) * 2007-10-02 2009-04-08 ThyssenKrupp Steel AG Verfahren zum Herstellen eines Stahlbauteils durch Warmformen und durch Warmformen hergestelltes Stahlbauteil
WO2009080292A1 (de) * 2007-12-20 2009-07-02 Voestalpine Stahl Gmbh Verfahren zum herstellen von beschichteten und gehärteten bauteilen aus stahl und beschichtetes und härtbares stahlband hierfür
DE102008035714A1 (de) 2008-03-24 2009-10-08 Posco, Pohang Stahlblech zum Warmpreßformen, das Niedrigtemperatur-Vergütungseigenschaft hat, Verfahren zum Herstellen desselben, Verfahren zum Herstellen von Teilen unter Verwendung desselben, und damit hergestellte Teile
US7867344B2 (en) 2004-07-15 2011-01-11 Nippon Steel Corporation Hot pressing method for high strength member using steel sheet and hot pressed parts
US7998289B2 (en) 2002-09-13 2011-08-16 Daimler Ag Press-hardened part and method for the production thereof
WO2011101158A1 (en) 2010-02-19 2011-08-25 Tata Steel Nederland Technology Bv Strip, sheet or blank suitable for hot forming and process for the production thereof
EP2379756A1 (de) 2008-12-19 2011-10-26 Tata Steel IJmuiden B.V. Verfahren zur herstellung eines beschichteten teils unter verwendung von warmformtechniken
DE202011107125U1 (de) 2011-04-13 2011-11-30 Tata Steel Ijmuiden Bv Warmformbares Band, Blech oder Zuschnitt und warmgeformtes Produkt
WO2012167930A1 (en) 2011-06-07 2012-12-13 Tata Steel Ijmuiden B.V. Hot formable strip, sheet or blank, process for the production thereof, method for hot forming a product and hot formed product
RU2496887C1 (ru) * 2009-08-25 2013-10-27 Тиссенкрупп Стил Юроп Аг Способ получения стального компонента с металлическим покрытием, обеспечивающим защиту от коррозии, и стальной компонент
EP2654984A1 (de) 2010-12-23 2013-10-30 Tata Steel Nederland Technology B.V. Verfahren zur herstellung eines metallfahrzeugrads und fahrzeugrad
WO2014009004A1 (en) 2012-07-10 2014-01-16 Tata Steel Nederland Technology B.V. Coated hot-formable steel strip, sheet or blank and method for making the same
US9289855B2 (en) 2012-05-25 2016-03-22 Shiloh Industries, Inc. Sheet metal piece having weld notch and method of forming the same
US9604311B2 (en) 2012-06-29 2017-03-28 Shiloh Industries, Inc. Welded blank assembly and method
EP3162558A1 (de) 2015-10-30 2017-05-03 Outokumpu Oyj Komponente aus metallischem verbundstoffmaterial und verfahren zur herstellung der komponente durch warmformung
CN107127238A (zh) * 2016-02-26 2017-09-05 宝山钢铁股份有限公司 一种锌系镀覆钢板或钢带的热冲压成型方法
US9956636B2 (en) 2013-03-14 2018-05-01 Shiloh Industries, Inc. Welded blank assembly and method
EP3360981A1 (de) 2017-02-10 2018-08-15 Outokumpu Oyj Stahl zur herstellung einer komponente durch warmformung und verwendung der komponente
US10821546B2 (en) 2012-11-30 2020-11-03 Shiloh Industries, Inc. Method of forming a weld notch in a sheet metal piece
US12297516B2 (en) 2021-07-30 2025-05-13 Hyundai Steel Company Steel sheet for hot press and aluminum coated blank manufactured using the same

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807447B1 (fr) 2000-04-07 2002-10-11 Usinor Procede de realisation d'une piece a tres hautes caracteristiques mecaniques, mise en forme par emboutissage, a partir d'une bande de tole d'acier laminee et notamment laminee a chaud et revetue
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US7559998B2 (en) 2003-05-28 2009-07-14 Sumitomo Metal Industries, Ltd. Hot forming method and a hot formed member
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US20010042393A1 (en) 2001-11-22
ES2350399T3 (es) 2011-01-21
US6564604B2 (en) 2003-05-20
DE60119826T2 (de) 2006-12-14
PT1672088E (pt) 2010-11-04
DE10006299T1 (de) 2012-01-26
CA2343340C (fr) 2008-07-08
BRPI0102747B1 (pt) 2016-08-30
JP3663145B2 (ja) 2005-06-22
EP1672088A1 (de) 2006-06-21
ATE327353T1 (de) 2006-06-15
ES2263567T3 (es) 2006-12-16
FR2807447A1 (fr) 2001-10-12
DE60119826D1 (de) 2006-06-29
AR028319A1 (es) 2003-05-07
ES2428638T3 (es) 2013-11-08
BRPI0117371B1 (pt) 2016-06-14
EP2224034A1 (de) 2010-09-01
EP1143029B1 (de) 2006-05-24
EP2224034B1 (de) 2013-07-17
DE01400861T1 (de) 2005-05-04
DK1143029T3 (da) 2006-09-18
BR0102747A (pt) 2001-12-04
ATE478167T1 (de) 2010-09-15
JP3825456B2 (ja) 2006-09-27
JP2005047001A (ja) 2005-02-24
FR2807447B1 (fr) 2002-10-11
PT1143029E (pt) 2006-09-29
EP1672088B1 (de) 2010-08-18
DE20122563U1 (de) 2006-05-11
JP2001353548A (ja) 2001-12-25
DE60142859D1 (de) 2010-09-30
CA2343340A1 (fr) 2001-10-07
ES2350399T5 (es) 2015-11-10

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