MA44120B1 - Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue - Google Patents
Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenueInfo
- Publication number
- MA44120B1 MA44120B1 MA44120A MA44120A MA44120B1 MA 44120 B1 MA44120 B1 MA 44120B1 MA 44120 A MA44120 A MA 44120A MA 44120 A MA44120 A MA 44120A MA 44120 B1 MA44120 B1 MA 44120B1
- Authority
- MA
- Morocco
- Prior art keywords
- steel sheet
- temperature
- segregation
- sheet
- formability
- Prior art date
Links
Classifications
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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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- 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
- B23K11/11—Spot welding
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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
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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
- C21D6/002—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
- 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
- C21D6/008—Heat treatment of ferrous alloys containing Si
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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
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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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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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
- C21D8/0221—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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- 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
- C21D8/0236—Cold rolling
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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
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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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- 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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- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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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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- 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
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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
- 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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- 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
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
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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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
L'invention concerne un procédé pour la production d'une tôle d'acier, le procédé comprenant les étapes successives suivantes : l'utilisation d'une tôle d'acier laminée à froid, la composition chimique de l'acier contenant, en % en poids : 0,15 % = c = 0,23 %, 1,4 % = mn = 2,6 %, 0,6 % = si = 1,5 %, 0,02 % = al = 1,0 %, avec 1,0 % = si + al = 2,0 %, 0 = nb = 0,035 %, 0 = mo = 0,3 % et 0 = cr = 0,3 %, le reste étant du fe et des impuretés inévitables; le recuit de la tôle d'acier à une température de recuit ta comprise entre ac1 et ac3 de manière à obtenir une structure comprenant au moins 40 % d'austénite et au moins 40 % de ferrite intercritique; la trempe de la tôle à partir d'une température d'au moins 600 °c à une vitesse de refroidissement d'au moins 20 °c/s jusqu'à une température de trempe qt comprise entre 180 °c et 260 °c; le chauffage de la tôle jusqu'à une température de ségrégation pt comprise entre 375 °c et 470 °c; et le maintien de la tôle à cette température de ségrégation pt pendant une durée de ségrégation pt comprise entre 25 s et 440 s, la durée de ségrégation pt étant comprise entre 100 s et 440 s si la température de ségrégation pt est comprise entre 375 °c et 400 °c et comprise entre 25 s et 150 s si la température de ségrégation pt est comprise entre 450 °c et 470 °c; et le refroidissement de la tôle jusqu'à la température ambiante, la tôle d'acier ayant une microstructure finale constituée, en termes de fraction surfacique de : au moins 11 % de martensite revenue, entre 10 % et 20 % d'austénite résiduelle, entre 40 % et 60 % de ferrite, au maximum 6 % de martensite fraîche; et au maximum 18 % de bainite.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2015/059839 WO2017109540A1 (fr) | 2015-12-21 | 2015-12-21 | Procédé de fabrication d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
PCT/EP2016/082037 WO2017108866A1 (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
Publications (1)
Publication Number | Publication Date |
---|---|
MA44120B1 true MA44120B1 (fr) | 2020-08-31 |
Family
ID=55221458
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA054718A MA54718A (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
MA44120A MA44120B1 (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
MA49657A MA49657B1 (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA054718A MA54718A (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA49657A MA49657B1 (fr) | 2015-12-21 | 2016-12-20 | Procédé pour la production d'une tôle d'acier à haute résistance ayant une ductilité et une aptitude au formage améliorées et tôle d'acier ainsi obtenue |
Country Status (15)
Country | Link |
---|---|
US (1) | US20190003008A1 (fr) |
EP (3) | EP3910084A1 (fr) |
JP (1) | JP6815414B2 (fr) |
KR (1) | KR102618088B1 (fr) |
CN (1) | CN108474057B (fr) |
BR (1) | BR112018012133B1 (fr) |
CA (1) | CA3008062C (fr) |
ES (2) | ES2889754T3 (fr) |
HU (2) | HUE050424T2 (fr) |
MA (3) | MA54718A (fr) |
MX (1) | MX2018007646A (fr) |
PL (2) | PL3394300T3 (fr) |
RU (1) | RU2728369C2 (fr) |
WO (2) | WO2017109540A1 (fr) |
ZA (1) | ZA201803916B (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6315160B1 (ja) * | 2016-08-31 | 2018-04-25 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
DE102017127496A1 (de) * | 2017-11-21 | 2019-05-23 | Sms Group Gmbh | Verfahren zur Herstellung von Q&P-Stahl mittels ionischer Flüssigkeiten |
EP3719155B1 (fr) * | 2017-11-29 | 2024-04-03 | JFE Steel Corporation | Tôle en acier laminée à froid hautement résistante, et procédé de fabrication de celle-ci |
JP6597938B1 (ja) * | 2018-01-31 | 2019-10-30 | Jfeスチール株式会社 | 高強度冷延鋼板、高強度めっき鋼板及びそれらの製造方法 |
CN108193138B (zh) * | 2018-02-12 | 2019-12-24 | 唐山钢铁集团有限责任公司 | 980MPa级汽车用冷轧高强Q&P钢及其生产方法 |
CZ308041B6 (cs) * | 2018-05-18 | 2019-11-13 | Univerzita J. E. Purkyně V Ústí Nad Labem | Způsob zušlechťování nízkouhlíkových bórových ocelí |
CN111868282B (zh) * | 2018-07-18 | 2021-12-31 | 日本制铁株式会社 | 钢板 |
WO2020058748A1 (fr) * | 2018-09-20 | 2020-03-26 | Arcelormittal | Tôle d'acier laminée à froid et revêtue et son procédé de fabrication |
SE542893C2 (en) * | 2018-11-30 | 2020-08-18 | Voestalpine Stahl Gmbh | A resistance spot welded joint comprising a zinc coated ahss steel sheet |
BR112021012526A2 (pt) * | 2019-02-18 | 2021-09-14 | Tata Steel Ijmuiden B.V. | Aço de alta resistência com propriedades mecânicas melhoradas |
CN109988970B (zh) * | 2019-04-01 | 2021-08-31 | 山东钢铁集团日照有限公司 | 一种具有不同屈强比的冷轧q&p980钢及其生产方法 |
CN111843151B (zh) * | 2019-04-30 | 2021-08-17 | 宝山钢铁股份有限公司 | 一种提高中锰钢电阻点焊接头性能的方法 |
KR20220004213A (ko) * | 2019-05-07 | 2022-01-11 | 유나이테드 스테이츠 스틸 코포레이션 | 연속 주조 열간 압연 고강도 강판 제품의 제조 방법 |
WO2020245627A1 (fr) * | 2019-06-03 | 2020-12-10 | Arcelormittal | Tôle d'acier laminée à froid et revêtue et son procédé de fabrication |
CN114008234A (zh) * | 2019-07-30 | 2022-02-01 | 杰富意钢铁株式会社 | 高强度钢板及其制造方法 |
MX2023005389A (es) * | 2020-11-11 | 2023-05-19 | Nippon Steel Corp | Lamina de acero y metodo para producir la misma. |
WO2022123289A1 (fr) * | 2020-12-08 | 2022-06-16 | Arcelormittal | Tôle d'acier laminée à froid et traitée thermiquement et son procédé de fabrication |
SE545210C2 (en) * | 2020-12-23 | 2023-05-23 | Voestalpine Stahl Gmbh | Coiling temperature influenced cold rolled strip or steel |
CN112725698B (zh) * | 2020-12-28 | 2021-12-07 | 郑州航空工业管理学院 | 一种多尺度结构块体材料及其制备方法和应用 |
DE102021107330A1 (de) * | 2021-03-24 | 2022-09-29 | Thyssenkrupp Steel Europe Ag | Beschichtetes Stahlflachprodukt und Verfahren zu seiner Herstellung |
CN113549744B (zh) * | 2021-06-30 | 2022-11-15 | 邯郸钢铁集团有限责任公司 | 一种高硅铝成分钢板生产方法 |
SE545181C2 (en) * | 2021-07-20 | 2023-05-02 | Voestalpine Stahl Gmbh | High strength cold rolled steel strip sheet for automotive use having good withstandability to retained austentite decomposition |
DE102022102418A1 (de) | 2022-02-02 | 2023-08-03 | Salzgitter Flachstahl Gmbh | Hochfestes schmelztauchbeschichtetes Stahlband mit durch Gefügeumwandlung bewirkter Plastizität und Verfahren zu dessen Herstellung |
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2015
- 2015-12-21 WO PCT/IB2015/059839 patent/WO2017109540A1/fr active Application Filing
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- 2016-12-20 EP EP21184063.2A patent/EP3910084A1/fr active Pending
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Also Published As
Publication number | Publication date |
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CN108474057B (zh) | 2019-12-27 |
MA49657B1 (fr) | 2021-10-29 |
RU2018122386A (ru) | 2019-12-25 |
PL3394300T3 (pl) | 2020-11-16 |
EP3656880B1 (fr) | 2021-08-18 |
ZA201803916B (en) | 2021-03-31 |
EP3394300A1 (fr) | 2018-10-31 |
KR20180095540A (ko) | 2018-08-27 |
US20190003008A1 (en) | 2019-01-03 |
EP3910084A1 (fr) | 2021-11-17 |
KR102618088B1 (ko) | 2023-12-26 |
CA3008062A1 (fr) | 2017-06-29 |
HUE056456T2 (hu) | 2022-02-28 |
MX2018007646A (es) | 2018-09-21 |
CA3008062C (fr) | 2024-01-23 |
HUE050424T2 (hu) | 2020-12-28 |
BR112018012133A2 (pt) | 2018-11-27 |
RU2728369C2 (ru) | 2020-07-29 |
EP3394300B1 (fr) | 2020-05-13 |
EP3656880A1 (fr) | 2020-05-27 |
MA49657A (fr) | 2021-05-12 |
WO2017109540A1 (fr) | 2017-06-29 |
PL3656880T3 (pl) | 2021-12-27 |
MA54718A (fr) | 2021-11-17 |
CN108474057A (zh) | 2018-08-31 |
ES2889754T3 (es) | 2022-01-13 |
JP2019505690A (ja) | 2019-02-28 |
RU2018122386A3 (fr) | 2020-03-26 |
BR112018012133B1 (pt) | 2021-11-23 |
WO2017108866A1 (fr) | 2017-06-29 |
ES2803220T3 (es) | 2021-01-25 |
JP6815414B2 (ja) | 2021-01-20 |
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