MA51296B1 - Tôles d'acier laminées à froid et traitées thermiquement, joints soudés par points par résistance et leurs procédés de fabrication - Google Patents
Tôles d'acier laminées à froid et traitées thermiquement, joints soudés par points par résistance et leurs procédés de fabricationInfo
- Publication number
- MA51296B1 MA51296B1 MA51296A MA51296A MA51296B1 MA 51296 B1 MA51296 B1 MA 51296B1 MA 51296 A MA51296 A MA 51296A MA 51296 A MA51296 A MA 51296A MA 51296 B1 MA51296 B1 MA 51296B1
- Authority
- MA
- Morocco
- Prior art keywords
- rolled
- cold
- manufacturing
- treated steel
- methods
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 229910000859 α-Fe Inorganic materials 0.000 abstract 3
- 229910001566 austenite Inorganic materials 0.000 abstract 2
- 229910000734 martensite Inorganic materials 0.000 abstract 2
- 229910001567 cementite Inorganic materials 0.000 abstract 1
- 239000010960 cold rolled steel Substances 0.000 abstract 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Classifications
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
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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
- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/16—Resistance welding; Severing by resistance heating taking account of the properties of the material to be welded
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/012—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of aluminium or an aluminium alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
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- C—CHEMISTRY; METALLURGY
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- 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
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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 by deformation combined with, or followed by, heat treatment
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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 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- 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
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- 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
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- C22C—ALLOYS
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
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- 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
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- 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
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- 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
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- 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
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
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- 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
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- C23C2/12—Aluminium or alloys based thereon
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/003—Cementite
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- C21D2211/00—Microstructure comprising significant phases
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- 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
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- 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
- C21D8/0236—Cold rolling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
La présente invention concerne une tôle d'acier à haute résistance et formabilité élevée et un procédé de fabrication de tôle d'acier laminée à froid et traitée à chaud, ayant une composition comprenant, en pourcentage en poids : n0,10 % = c = 0,25 %, 3,5 % = mn = 6,0 %, 0,5 % = si = 2,0 %, 0,3 % = al = 1,2 %, avec si + al = 0,8 %, 0,10 % = mo = 0,50 %, s = 0,010 %, p = 0 020 %, n = 0 008 %, ladite feuille d'acier laminée à froid ayant une microstructure constituée de, en fraction surfacique : entre 10 % et 45 % de ferrite, ayant une taille moyenne de grain d'au plus 1,3 mm, le produit de la fraction de surface de ferrite par la taille de grain moyenne de la ferrite étant d'au plus 35 mm %, entre 8 % et 30 % d'austénite résiduelle, ladite austénite résiduelle ayant une teneur en mn supérieure à 1,1 * mn %, mn % désignant la teneur en mn de l'acier, au plus 8 % de martensite fraîche, au plus 2,5 % de cémentite et de martensite fractionnée.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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PCT/IB2017/058122 WO2019122961A1 (fr) | 2017-12-19 | 2017-12-19 | Tôle d'acier à haute résistance et haute aptitude au formage et son procédé de fabrication |
PCT/IB2018/060247 WO2019123245A1 (fr) | 2017-12-19 | 2018-12-18 | Tôle d'acier à haute résistance et formabilité élevée et procédé de fabrication |
Publications (2)
Publication Number | Publication Date |
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MA51296A MA51296A (fr) | 2021-03-31 |
MA51296B1 true MA51296B1 (fr) | 2023-06-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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MA51296A MA51296B1 (fr) | 2017-12-19 | 2018-12-18 | Tôles d'acier laminées à froid et traitées thermiquement, joints soudés par points par résistance et leurs procédés de fabrication |
Country Status (16)
Country | Link |
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US (2) | US11920208B2 (fr) |
EP (2) | EP3728670B1 (fr) |
JP (1) | JP7154298B2 (fr) |
KR (1) | KR102384100B1 (fr) |
CN (1) | CN111492077B (fr) |
CA (1) | CA3085669C (fr) |
ES (1) | ES2949979T3 (fr) |
FI (1) | FI3728670T3 (fr) |
HU (1) | HUE062069T2 (fr) |
MA (1) | MA51296B1 (fr) |
MX (1) | MX2020006342A (fr) |
PL (1) | PL3728670T3 (fr) |
RU (1) | RU2746997C1 (fr) |
UA (1) | UA125158C2 (fr) |
WO (2) | WO2019122961A1 (fr) |
ZA (1) | ZA202003532B (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019111028A1 (fr) * | 2017-12-05 | 2019-06-13 | Arcelormittal | Tôle d'acier laminée à froid recuite et son procédé de fabrication |
WO2021123888A1 (fr) | 2019-12-19 | 2021-06-24 | Arcelormittal | Feuille d'acier laminée à froid et traitée thermiquement et son procédé de fabrication |
WO2021123889A1 (fr) | 2019-12-19 | 2021-06-24 | Arcelormittal | Feuille d'acier laminée à chaud et traitée thermiquement et son procédé de fabrication |
KR102350536B1 (ko) * | 2020-04-01 | 2022-01-17 | (주)삼양컴텍 | 고경도 방탄 강판의 제조방법 |
WO2022018498A1 (fr) * | 2020-07-24 | 2022-01-27 | Arcelormittal | Tôle d'acier laminée à froid et recuite, et son procédé de fabrication |
WO2022018497A1 (fr) * | 2020-07-24 | 2022-01-27 | Arcelormittal | Tôle d'acier laminée à froid et recuite et son procédé de fabrication |
WO2022018500A1 (fr) * | 2020-07-24 | 2022-01-27 | Arcelormittal | Tôle en acier laminée à froid et doublement recuite |
WO2022018503A1 (fr) * | 2020-07-24 | 2022-01-27 | Arcelormittal | Tôle en acier laminée à froid et recuite |
CN112359290B (zh) * | 2020-10-30 | 2022-03-01 | 东北大学 | 一种低屈强比2000MPa级超高强度钢及其制备方法 |
SE545209C2 (en) * | 2020-12-23 | 2023-05-23 | Voestalpine Stahl Gmbh | Coiling temperature influenced cold rolled strip or steel |
CN112962021B (zh) * | 2021-01-25 | 2022-06-10 | 唐山钢铁集团有限责任公司 | 激光拼焊后用于整体热冲压成形的强塑钢板及生产方法 |
CN114134424B (zh) * | 2021-12-03 | 2023-05-02 | 中国科学院合肥物质科学研究院 | 一种超高屈服强度中锰合金钢及其制备方法 |
CN114351055A (zh) * | 2022-01-12 | 2022-04-15 | 马鞍山钢铁股份有限公司 | 一种280MPa级冷轧焊管钢及其生产方法 |
WO2023170245A1 (fr) * | 2022-03-10 | 2023-09-14 | Tata Steel Nederland Technology B.V. | Tôle d'acier à haute résistance présentant une excellente extensibilité de trou et son procédé de production |
CN115198072A (zh) * | 2022-06-13 | 2022-10-18 | 首钢集团有限公司 | 一种具有良好成形性高碳冷轧板及其制备方法 |
CN117887932A (zh) * | 2024-01-30 | 2024-04-16 | 桂林理工大学 | 一种提高C-Mn-Si系双相钢综合力学性能的热处理工艺及热处理双相钢 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101624057B1 (ko) | 2011-07-29 | 2016-05-24 | 신닛테츠스미킨 카부시키카이샤 | 성형성이 우수한 고강도 강판, 고강도 아연 도금 강판 및 그들의 제조 방법 |
CN103703156B (zh) * | 2011-07-29 | 2016-02-10 | 新日铁住金株式会社 | 成形性优良的高强度钢板、高强度镀锌钢板及它们的制造方法 |
JP5440672B2 (ja) * | 2011-09-16 | 2014-03-12 | Jfeスチール株式会社 | 加工性に優れた高強度鋼板およびその製造方法 |
WO2015001367A1 (fr) | 2013-07-04 | 2015-01-08 | Arcelormittal Investigación Y Desarrollo Sl | Feuille d'acier laminée à froid, procédé de fabrication et véhicule |
WO2015011510A1 (fr) * | 2013-07-25 | 2015-01-29 | Arcelormittal Investigación Y Desarrollo Sl | Joint soudé par points utilisant une résistance élevée et un formage élevé et son procédé de production |
WO2016001699A1 (fr) * | 2014-07-03 | 2016-01-07 | Arcelormittal | Procédé de fabrication d'une tôle d'acier à haute résistance présentant une formabilité améliorée, et tôle ainsi obtenue |
JP6052471B2 (ja) | 2015-01-15 | 2016-12-27 | Jfeスチール株式会社 | 高強度溶融亜鉛めっき鋼板およびその製造方法 |
CN104928568B (zh) * | 2015-06-30 | 2017-07-28 | 宝山钢铁股份有限公司 | 一种铁素体低密度高强钢及其制造方法 |
WO2017109541A1 (fr) * | 2015-12-21 | 2017-06-29 | Arcelormittal | Procédé de production d'une tôle d'acier revêtue de haute résistance présentant une ductilité et une aptitude au formage améliorées, et tôle d'acier revêtue ainsi obtenue |
WO2017109538A1 (fr) | 2015-12-21 | 2017-06-29 | Arcelormittal | Procédé de production d'une tôle d'acier présentant une résistance, une ductilité et une aptitude au formage améliorées |
US11414720B2 (en) * | 2016-01-29 | 2022-08-16 | Jfe Steel Corporation | High-strength steel sheet for warm working and method for manufacturing the same |
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2017
- 2017-12-19 WO PCT/IB2017/058122 patent/WO2019122961A1/fr active Application Filing
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2018
- 2018-12-18 HU HUE18833332A patent/HUE062069T2/hu unknown
- 2018-12-18 CN CN201880082015.3A patent/CN111492077B/zh active Active
- 2018-12-18 EP EP18833332.2A patent/EP3728670B1/fr active Active
- 2018-12-18 UA UAA202003658A patent/UA125158C2/uk unknown
- 2018-12-18 MA MA51296A patent/MA51296B1/fr unknown
- 2018-12-18 JP JP2020533694A patent/JP7154298B2/ja active Active
- 2018-12-18 PL PL18833332.2T patent/PL3728670T3/pl unknown
- 2018-12-18 CA CA3085669A patent/CA3085669C/fr active Active
- 2018-12-18 RU RU2020117604A patent/RU2746997C1/ru active
- 2018-12-18 EP EP23172244.8A patent/EP4219782A1/fr active Pending
- 2018-12-18 MX MX2020006342A patent/MX2020006342A/es unknown
- 2018-12-18 US US16/954,510 patent/US11920208B2/en active Active
- 2018-12-18 WO PCT/IB2018/060247 patent/WO2019123245A1/fr active Search and Examination
- 2018-12-18 KR KR1020207016985A patent/KR102384100B1/ko active IP Right Grant
- 2018-12-18 FI FIEP18833332.2T patent/FI3728670T3/fi active
- 2018-12-18 ES ES18833332T patent/ES2949979T3/es active Active
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2020
- 2020-06-12 ZA ZA2020/03532A patent/ZA202003532B/en unknown
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2023
- 2023-09-06 US US18/242,666 patent/US20230416864A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2019122961A1 (fr) | 2019-06-27 |
UA125158C2 (uk) | 2022-01-19 |
HUE062069T2 (hu) | 2023-09-28 |
US20210087646A1 (en) | 2021-03-25 |
EP3728670A1 (fr) | 2020-10-28 |
RU2746997C1 (ru) | 2021-04-23 |
BR112020010018A2 (pt) | 2020-11-03 |
CA3085669C (fr) | 2021-12-28 |
KR102384100B1 (ko) | 2022-04-11 |
US11920208B2 (en) | 2024-03-05 |
FI3728670T3 (fi) | 2023-07-04 |
JP2021507994A (ja) | 2021-02-25 |
MA51296A (fr) | 2021-03-31 |
ES2949979T3 (es) | 2023-10-04 |
ZA202003532B (en) | 2021-07-28 |
WO2019123245A1 (fr) | 2019-06-27 |
US20230416864A1 (en) | 2023-12-28 |
EP4219782A1 (fr) | 2023-08-02 |
CA3085669A1 (fr) | 2019-06-27 |
MX2020006342A (es) | 2020-09-03 |
CN111492077A (zh) | 2020-08-04 |
CN111492077B (zh) | 2022-03-15 |
KR20200084037A (ko) | 2020-07-09 |
PL3728670T3 (pl) | 2023-08-21 |
JP7154298B2 (ja) | 2022-10-17 |
EP3728670B1 (fr) | 2023-06-07 |
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