EP1534869A2 - Ultrahochfester stahl und verfahren zur herstellung eines mit zink oder zinklegierung platierten stahlbleches - Google Patents
Ultrahochfester stahl und verfahren zur herstellung eines mit zink oder zinklegierung platierten stahlblechesInfo
- Publication number
- EP1534869A2 EP1534869A2 EP03769565A EP03769565A EP1534869A2 EP 1534869 A2 EP1534869 A2 EP 1534869A2 EP 03769565 A EP03769565 A EP 03769565A EP 03769565 A EP03769565 A EP 03769565A EP 1534869 A2 EP1534869 A2 EP 1534869A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- zinc
- steel
- high mechanical
- zinc alloy
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000011701 zinc Substances 0.000 title claims abstract description 22
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 22
- 229910001297 Zn alloy Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229910052796 boron Inorganic materials 0.000 claims description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 229910000734 martensite Inorganic materials 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 239000011651 chromium Substances 0.000 description 10
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- -1 titanium nitrides Chemical class 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- 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
- 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
-
- 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
- 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
- C21D8/0273—Final recrystallisation annealing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
Definitions
- the present invention relates to a steel with very high mechanical strength, as well as to a process for manufacturing a sheet of this steel coated with zinc or zinc alloy.
- dual phase steels have a microstructure composed of ferrite and martensite, which allows them to reach tensile strengths ranging from 400 MPa to more than 1200MPa.
- these grades are fairly heavily loaded with elements such as chromium, silicon, manganese, aluminum or phosphorus.
- these grades are problematic when it is desired to coat them with a protective coating against corrosion, by hot-dip galvanizing, for example. Indeed, it is observed that the surface of the sheets has very poor wettability with respect to zinc or zinc alloys. The sheets then have uncoated parts, which constitute privileged areas for the initiation of corrosion.
- the present invention therefore aims to provide a steel composition which does not have the drawbacks of the compositions of the prior art, and which in particular has good suitability for coating with zinc or zinc alloys, while retaining high mechanical characteristics.
- a first object of the invention consists of a steel with very high mechanical strength, the chemical composition of which comprises, in% by weight:
- the steel comprises: 0.080% ⁇ C ⁇ 0.120%
- the steel comprises:
- This embodiment makes it possible to obtain a steel sheet having a tensile strength of the order of 500 MPa.
- the steel comprises:
- This embodiment makes it possible to obtain a steel sheet having a tensile strength of the order of 600 MPa.
- the steel has a microstructure consisting of ferrite and martensite.
- a second object of the invention consists of a steel sheet with very high mechanical strength in accordance with the invention, and coated with zinc or zinc alloy.
- a third object of the invention consists of a process for manufacturing a steel sheet according to the invention coated with zinc or a zinc alloy, and which comprises the steps consisting in:
- the sheet is held at the holding temperature for 10 to 1000 seconds.
- the bath containing zinc or a molten zinc alloy is maintained at a temperature between 450 and 480 ° C, and the immersion time of the sheet is between 2 and 400 seconds.
- the bath mainly contains zinc.
- a fourth object of the invention consists of the use of a sheet of very high mechanical strength of steel coated with zinc or zinc alloy, for the manufacture of automobile parts.
- the present invention is based on the new observation that by limiting the contents of manganese, silicon and chromium to the maximum values claimed, it is possible to obtain excellent coatability of the grades thus produced. Depending on the level of mechanical characteristics sought, the contents of quenching elements such as carbon and molybdenum will be adjusted, which it has been observed that they do not harm this coating.
- C ⁇ represents the carbon content of the austenite before cooling.
- the steel composition according to the invention contains between 0.060 and 0.250% by weight of carbon, since it has been observed that for a carbon content of less than 0.060%, the grade was no longer hardenable, and no longer made it possible to obtain the high mechanical characteristics sought.
- the composition also contains between 0.400 and 0.950% by weight of manganese.
- the lower limit is required to obtain a grade of hardenable steel, while the upper limit must be respected in order to ensure good coating of the grade.
- the composition also contains up to 0.300% by weight of silicon.
- the upper limit must be respected in order to ensure good coating of the shade.
- composition also contains up to 0.300% by weight of chromium.
- the upper limit must be respected in order to ensure good coating of the shade.
- composition according to the invention must contain between 0.100 and
- composition can also optionally contain up to
- the steel composition can also contain various inevitable residual elements, among which there may be mentioned N, Nb, Cu, Ni, W, V.
- the steel according to the invention finds in particular applications in the field of the manufacture of parts for the automobile, and more particularly for the manufacture of visible parts such as bodywork elements, which will have good appearance after painting, unlike those manufactured up to now with the steels of the prior art.
- the sheets are then subjected to galvanization by dipping in a zinc bath, with a residence time in the bath depending on the line speed chosen (between 80 and 150 m / min), then cooled at a speed of 5 ° C. / s up to room temperature.
- Test 1 Influence of the molybdenum content and the presence of boron
- the martensite content is increased, which makes it possible to increase the tensile strength and to lower the elastic limit.
- the sheets of grades A, B, C and F are hot dip galvanized and the dew point is adjusted to -40 ° C.
- the sheets produced in shades A and B have gaps in their coatings, unlike shades C and F which have continuous coatings.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
- Electroplating Methods And Accessories (AREA)
- Laminated Bodies (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0211040 | 2002-09-06 | ||
| FR0211040A FR2844281B1 (fr) | 2002-09-06 | 2002-09-06 | Acier a tres haute resistance mecanique et procede de fabrication d'une feuille de cet acier revetue de zinc ou d'alliage de zinc |
| PCT/FR2003/002641 WO2004022793A2 (fr) | 2002-09-06 | 2003-09-04 | Acier a tres haute resistance mecanique et procede de fabrication d'une feuille de cet acier revetue de zinc ou d'alliage de zinc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1534869A2 true EP1534869A2 (de) | 2005-06-01 |
| EP1534869B1 EP1534869B1 (de) | 2007-11-14 |
Family
ID=31725879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03769565A Expired - Lifetime EP1534869B1 (de) | 2002-09-06 | 2003-09-04 | Ultrahochfester stahl und verfahren zur herstellung eines mit zink oder zinklegierung platierten stahlbleches |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US7976647B2 (de) |
| EP (1) | EP1534869B1 (de) |
| JP (1) | JP2005538248A (de) |
| KR (2) | KR20110102498A (de) |
| CN (1) | CN100422352C (de) |
| AT (1) | ATE378431T1 (de) |
| AU (1) | AU2003278256A1 (de) |
| BR (1) | BR0314470B1 (de) |
| CA (1) | CA2497870C (de) |
| DE (1) | DE60317520T2 (de) |
| ES (1) | ES2294334T3 (de) |
| FR (1) | FR2844281B1 (de) |
| MX (1) | MXPA05002509A (de) |
| RU (1) | RU2321667C2 (de) |
| WO (1) | WO2004022793A2 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5272547B2 (ja) * | 2007-07-11 | 2013-08-28 | Ｊｆｅスチール株式会社 | 降伏強度が低く、材質変動の小さい高強度溶融亜鉛めっき鋼板およびその製造方法 |
| EP2123786A1 (de) | 2008-05-21 | 2009-11-25 | ArcelorMittal France | Verfahren zur Herstellung von kalt gewalzten Zweiphasen-Stahlblechen mit sehr hoher Festigkeit und so hergestellte Bleche |
| NZ594927A (en) * | 2009-03-10 | 2013-01-25 | Nisshin Steel Co Ltd | Zinc-based alloy-plated steel material excellent in resistance to molten-metal embrittlement cracking |
| ES2680649T3 (es) * | 2011-09-30 | 2018-09-10 | Nippon Steel & Sumitomo Metal Corporation | Lámina de acero con una capa galvanizada por inmersión en caliente y que muestra una humectabilidad de recubrimiento y adhesión de recubrimiento excelentes y su método de producción |
| TWI499675B (zh) * | 2011-09-30 | 2015-09-11 | Nippon Steel & Sumitomo Metal Corp | High-strength hot-dip galvanized steel sheet with excellent resistance to delayed breaking characteristics and a method for manufacturing the same |
| CN102796852B (zh) * | 2012-07-16 | 2014-07-02 | 鑫光热处理工业(昆山)有限公司 | 一种渗碳强化的等温淬火工件及加工方法 |
| CN103361560A (zh) * | 2013-07-03 | 2013-10-23 | 首钢总公司 | 一种冷轧热成型钢板及其生产方法 |
| WO2016001708A1 (en) | 2014-07-03 | 2016-01-07 | Arcelormittal | Method for producing a high strength coated steel sheet having improved strength, formability and obtained sheet |
| WO2016020714A1 (en) * | 2014-08-07 | 2016-02-11 | Arcelormittal | Method for producing a coated steel sheet having improved strength, ductility and formability |
| WO2017109542A1 (en) * | 2015-12-21 | 2017-06-29 | Arcelormittal | Method for producing a high strength steel sheet having improved ductility and formability, and obtained steel sheet |
| WO2017109539A1 (en) | 2015-12-21 | 2017-06-29 | Arcelormittal | Method for producing a high strength steel sheet having improved strength and formability, and obtained high strength steel sheet |
| CN115216589A (zh) * | 2022-07-28 | 2022-10-21 | 湖南华菱湘潭钢铁有限公司 | 一种改善大厚度高强海洋工程用钢心部韧性的热处理方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6049698B2 (ja) * | 1979-03-16 | 1985-11-05 | 川崎製鉄株式会社 | 加工性のすぐれた合金化溶融亜鉛めつき高張力鋼板の製造方法 |
| JP2791110B2 (ja) * | 1989-06-23 | 1998-08-27 | 新日本製鐵株式会社 | 溶融鉛めっき高延性複合組織高張力鋼板の製造方法 |
| JP2862186B2 (ja) * | 1990-09-19 | 1999-02-24 | 株式会社神戸製鋼所 | 伸びの優れた溶融亜鉛めっき高強度薄鋼板の製造方法 |
| JP2761095B2 (ja) * | 1990-11-05 | 1998-06-04 | 株式会社神戸製鋼所 | 曲げ加工性の優れた高強度溶融亜鉛めっき鋼板の製造方法 |
| JP2761096B2 (ja) * | 1990-11-05 | 1998-06-04 | 株式会社神戸製鋼所 | 高延性高強度合金化溶融亜鉛めっき鋼板の製造方法 |
| JPH05105960A (ja) * | 1991-10-16 | 1993-04-27 | Sumitomo Metal Ind Ltd | 高強度溶融亜鉛メツキ鋼板の製造方法 |
| JPH06108152A (ja) * | 1992-09-30 | 1994-04-19 | Kobe Steel Ltd | 曲げ加工性に優れた高強度溶融亜鉛めっき鋼板の製造方法 |
| JP3270541B2 (ja) * | 1992-10-26 | 2002-04-02 | 川崎製鉄株式会社 | 溶接部における局部腐食の防止方法 |
| JP2826259B2 (ja) * | 1993-10-06 | 1998-11-18 | 川崎製鉄株式会社 | プレス成形性に優れた高張力冷延鋼板の製造方法 |
| JPH07197121A (ja) * | 1993-12-29 | 1995-08-01 | Kobe Steel Ltd | 高密度エネルギーの照射によって高強度化特性を示す高加工性鋼板を製造する方法 |
| FR2757877B1 (fr) * | 1996-12-31 | 1999-02-05 | Ascometal Sa | Acier et procede pour la fabrication d'une piece en acier mise en forme par deformation plastique a froid |
| CA2231760A1 (en) * | 1998-03-11 | 1999-09-11 | Nisshin Steel Co., Ltd. | Cold-rolled steel strip and hot-dip coated cold-rolled steel strip for use as building material and manufacturing method thereof |
| CN1091166C (zh) * | 1998-03-27 | 2002-09-18 | 日新制钢株式会社 | 用作建材的冷轧钢带和热浸镀冷轧钢带及它们的制造方法 |
| BR9906602A (pt) * | 1998-07-16 | 2000-07-18 | Nippon Steel Corp | Chapas de aço de alta resistência tendo excelente conformabilidade e resistência ao amolecimento da zona afetada pelo calor após a soldagem |
| CA2297291C (en) * | 1999-02-09 | 2008-08-05 | Kawasaki Steel Corporation | High tensile strength hot-rolled steel sheet and method of producing the same |
| US6641931B2 (en) * | 1999-12-10 | 2003-11-04 | Sidmar N.V. | Method of production of cold-rolled metal coated steel products, and the products obtained, having a low yield ratio |
| JP3951282B2 (ja) * | 2000-01-28 | 2007-08-01 | Ｊｆｅスチール株式会社 | 溶融亜鉛メッキ鋼板及びその製造方法 |
| KR100595946B1 (ko) * | 2000-02-29 | 2006-07-03 | 제이에프이 스틸 가부시키가이샤 | 변형 시효 경화특성이 우수한 고장력 냉연 강판 및 그제조 방법 |
| JP4304812B2 (ja) * | 2000-03-09 | 2009-07-29 | Ｊｆｅスチール株式会社 | 溶融亜鉛メッキ鋼板およびその製造方法 |
| EP1195447B1 (de) * | 2000-04-07 | 2006-01-04 | JFE Steel Corporation | Warm-, kaltgewalzte und schmelz-galvanisierte stahlplatte mit exzellentem reckalterungsverhalten |
| WO2002036840A1 (fr) * | 2000-10-31 | 2002-05-10 | Nkk Corporation | Tole d"acier laminee a chaud presentant une resistance elevee a la traction et procede de fabrication |
| DE60220191T2 (de) * | 2001-06-06 | 2008-01-17 | Nippon Steel Corp. | Hochfestes feuerverzinktes galvanisiertes stahlblech und feuerverzinktes geglühtes stahlblech mit ermüdungsfestigkeit,korrosionsbeständigkeit,duktilität und plattierungshaftung,nach starker verformung und verfahren zu dessen herstellung |
| DE60231756D1 (de) * | 2002-12-26 | 2009-05-07 | Nippon Steel Corp | Mit zinklegierungsschmelze überzogenes stahlblech mit sehr guter verarbeitbarkeit und hoher festigkeit sowie herstellungsverfahren dafür |
| JP4443910B2 (ja) * | 2003-12-12 | 2010-03-31 | Ｊｆｅスチール株式会社 | 自動車構造部材用鋼材およびその製造方法 |
-
2002
- 2002-09-06 FR FR0211040A patent/FR2844281B1/fr not_active Expired - Lifetime
-
2003
- 2003-09-04 US US10/526,378 patent/US7976647B2/en not_active Expired - Lifetime
- 2003-09-04 JP JP2004533567A patent/JP2005538248A/ja active Pending
- 2003-09-04 AU AU2003278256A patent/AU2003278256A1/en not_active Abandoned
- 2003-09-04 CA CA2497870A patent/CA2497870C/fr not_active Expired - Lifetime
- 2003-09-04 AT AT03769565T patent/ATE378431T1/de active
- 2003-09-04 RU RU2005109922/02A patent/RU2321667C2/ru active
- 2003-09-04 ES ES03769565T patent/ES2294334T3/es not_active Expired - Lifetime
- 2003-09-04 MX MXPA05002509A patent/MXPA05002509A/es active IP Right Grant
- 2003-09-04 EP EP03769565A patent/EP1534869B1/de not_active Expired - Lifetime
- 2003-09-04 KR KR1020117018107A patent/KR20110102498A/ko not_active Ceased
- 2003-09-04 DE DE60317520T patent/DE60317520T2/de not_active Expired - Lifetime
- 2003-09-04 KR KR1020057003841A patent/KR101072961B1/ko not_active Expired - Lifetime
- 2003-09-04 CN CNB038238403A patent/CN100422352C/zh not_active Expired - Lifetime
- 2003-09-04 BR BRPI0314470-4A patent/BR0314470B1/pt active IP Right Grant
- 2003-09-04 WO PCT/FR2003/002641 patent/WO2004022793A2/fr not_active Ceased
-
2011
- 2011-05-20 US US13/112,195 patent/US20110223441A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004022793A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005538248A (ja) | 2005-12-15 |
| DE60317520T2 (de) | 2008-10-16 |
| ATE378431T1 (de) | 2007-11-15 |
| WO2004022793A2 (fr) | 2004-03-18 |
| US20060102256A1 (en) | 2006-05-18 |
| FR2844281A1 (fr) | 2004-03-12 |
| CN1688724A (zh) | 2005-10-26 |
| CN100422352C (zh) | 2008-10-01 |
| BR0314470A (pt) | 2005-07-26 |
| MXPA05002509A (es) | 2005-06-03 |
| CA2497870C (fr) | 2012-01-31 |
| KR101072961B1 (ko) | 2011-10-12 |
| KR20110102498A (ko) | 2011-09-16 |
| RU2321667C2 (ru) | 2008-04-10 |
| EP1534869B1 (de) | 2007-11-14 |
| AU2003278256A1 (en) | 2004-03-29 |
| US20110223441A1 (en) | 2011-09-15 |
| BR0314470B1 (pt) | 2013-02-19 |
| CA2497870A1 (fr) | 2004-03-18 |
| KR20050036990A (ko) | 2005-04-20 |
| RU2005109922A (ru) | 2005-09-10 |
| DE60317520D1 (de) | 2007-12-27 |
| AU2003278256A8 (en) | 2004-03-29 |
| FR2844281B1 (fr) | 2005-04-29 |
| US7976647B2 (en) | 2011-07-12 |
| ES2294334T3 (es) | 2008-04-01 |
| WO2004022793A3 (fr) | 2004-05-06 |
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