MA40978B1 - Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu - Google Patents
Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenuInfo
- Publication number
- MA40978B1 MA40978B1 MA40978A MA40978A MA40978B1 MA 40978 B1 MA40978 B1 MA 40978B1 MA 40978 A MA40978 A MA 40978A MA 40978 A MA40978 A MA 40978A MA 40978 B1 MA40978 B1 MA 40978B1
- Authority
- MA
- Morocco
- Prior art keywords
- temperature
- steel product
- ranging
- maintaining
- starting material
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 7
- 239000010959 steel Substances 0.000 title abstract 7
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 abstract 3
- 239000007858 starting material Substances 0.000 abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 229910000734 martensite Inorganic materials 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 238000010791 quenching Methods 0.000 abstract 2
- 230000001186 cumulative effect Effects 0.000 abstract 1
- 230000004927 fusion Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 230000000171 quenching effect Effects 0.000 abstract 1
- 238000003303 reheating Methods 0.000 abstract 1
Classifications
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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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
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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
- 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
- C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
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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
-
- 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
- C21D8/0247—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
- 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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- 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
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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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
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
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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
- C23C2/04—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
- C23C2/12—Aluminium 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
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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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
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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
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Cette invention concerne un procédé de fabrication d'un produit en acier, comprenant les étapes consistant à : utiliser un produit de départ en acier chauffé à une température comprise entre 380 et 700 °c, présentant une structure entièrement austénitique métastable, avec une composition comprenant, en pourcentage en poids : 0,15 % = c = 0,40 %, 1,5 % = mn = 4,0 %, 0,5 % = si = 2,5 %, 0,005 % = al = 1,5 %, où 0,8 % = si + al = 2,5 %, s = 0,05 %, p = 0,1 %, au moins un élément choisi parmi cr et mo, de telle sorte que : 0 % = cr = 4,0 %, 0 % = mo = 0,5 %, et 2,7 % = mn + cr + 3 mo = 5,7 %, et optionnellement un ou plusieurs éléments choisis parmi : nb = 0,1 %, ti = 0,1 %, ni = 3,0 %, 0,0005 % = b = 0,005 %, 0,0005 % = ca = 0,005 %, le reste de la composition étant constitué de fer et des inévitables impuretés résultant de la fusion ; soumettre ledit produit de départ à une étape de formage à chaud à une température comprise entre 700 et 380 °c, sous une contrainte cumulée eb allant de 0,1 à 0,7, dans au moins un emplacement dudit produit de départ en acier chauffé, de sorte à obtenir un produit en acier formé à chaud entièrement austénitique ; puis tremper le produit en acier formé à chaud par refroidissement de celui-ci, à une vitesse de refroidissement vr2 supérieure à la vitesse de refroidissement martensitique critique, à une température de trempe qt inférieure à ms afin d'obtenir une structure contenant de 40 à 90 % de martensite, le reste de la structure étant austénitique ; puis maintenir le produit ou le réchauffer, à une température de maintien pt allant de la température qt à 470 °c et le maintenir à ladite température pt pendant une durée pt allant de 5 à 600 s.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2014/066128 WO2016079565A1 (fr) | 2014-11-18 | 2014-11-18 | Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu |
PCT/IB2015/058887 WO2016079675A1 (fr) | 2014-11-18 | 2015-11-17 | Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu |
Publications (1)
Publication Number | Publication Date |
---|---|
MA40978B1 true MA40978B1 (fr) | 2020-08-31 |
Family
ID=52023577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA40978A MA40978B1 (fr) | 2014-11-18 | 2015-11-17 | Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu |
Country Status (16)
Country | Link |
---|---|
US (2) | US11371109B2 (fr) |
EP (1) | EP3221476B1 (fr) |
JP (1) | JP6686035B2 (fr) |
KR (1) | KR102446210B1 (fr) |
CN (3) | CN107002155B (fr) |
BR (1) | BR112017010093B1 (fr) |
CA (1) | CA2967196C (fr) |
ES (1) | ES2803599T3 (fr) |
HU (1) | HUE050200T2 (fr) |
MA (1) | MA40978B1 (fr) |
MX (1) | MX2017006303A (fr) |
PL (1) | PL3221476T3 (fr) |
RU (1) | RU2688092C2 (fr) |
UA (1) | UA120706C2 (fr) |
WO (2) | WO2016079565A1 (fr) |
ZA (1) | ZA201703011B (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10619223B2 (en) | 2016-04-28 | 2020-04-14 | GM Global Technology Operations LLC | Zinc-coated hot formed steel component with tailored property |
WO2018115914A1 (fr) * | 2016-12-19 | 2018-06-28 | Arcelormittal | Procédé de fabrication de pièces en acier aluminié formées par pressage à chaud |
WO2018134874A1 (fr) * | 2017-01-17 | 2018-07-26 | 新日鐵住金株式会社 | Corps moulé par estampage à chaud, et procédé de fabrication de celui-ci |
WO2018215813A1 (fr) * | 2017-05-22 | 2018-11-29 | Arcelormittal | Procédé de fabrication d'une pièce en acier et pièce en acier correspondante |
WO2018220430A1 (fr) * | 2017-06-02 | 2018-12-06 | Arcelormittal | Tôle d'acier destinée à la fabrication de pièces trempées à la presse, pièce trempée à la presse présentant une association de résistance élevée et de ductilité d'impact, et procédés de fabrication de cette dernière |
EP3688203B1 (fr) * | 2017-09-28 | 2022-04-27 | ThyssenKrupp Steel Europe AG | Produit d'acier plat et son procédé de fabrication |
WO2019111029A1 (fr) | 2017-12-05 | 2019-06-13 | Arcelormittal | Tôle d'acier laminée à froid et recuite et son procédé de fabrication |
WO2019111028A1 (fr) * | 2017-12-05 | 2019-06-13 | Arcelormittal | Tôle d'acier laminée à froid recuite et son procédé de fabrication |
US20210087661A1 (en) * | 2017-12-28 | 2021-03-25 | GM Global Technology Operations LLC | Steel for hot stamping with enhanced oxidation resistance |
CA3093397C (fr) * | 2018-03-30 | 2024-01-30 | Ak Steel Properties, Inc. | Acier a haute resistance de pointe de troisieme generation faiblement allie et procede pour la fabrication de celui-ci |
CN114703427A (zh) * | 2018-04-28 | 2022-07-05 | 育材堂(苏州)材料科技有限公司 | 热冲压成形用钢材、热冲压成形工艺及热冲压成形构件 |
US11613789B2 (en) | 2018-05-24 | 2023-03-28 | GM Global Technology Operations LLC | Method for improving both strength and ductility of a press-hardening steel |
CN108754319B (zh) * | 2018-06-08 | 2020-08-04 | 武汉钢铁有限公司 | 采用ESP产线生产的抗拉强度≥1800MPa级热成形钢及方法 |
US11612926B2 (en) | 2018-06-19 | 2023-03-28 | GM Global Technology Operations LLC | Low density press-hardening steel having enhanced mechanical properties |
US20220056543A1 (en) * | 2018-09-20 | 2022-02-24 | Arcelormittal | Hot rolled steel sheet with high hole expansion ratio and manufacturing process thereof |
FI3887556T3 (fi) * | 2018-11-30 | 2023-03-25 | Arcelormittal | Kylmävalssattu karkaistu teräslevy jossa on suuri aukon laajentumissuhde ja sen valmistusmenetelmä |
DE102019201883A1 (de) * | 2019-02-13 | 2020-08-13 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung eines Stahlblechbauteils |
CN110129670B (zh) * | 2019-04-25 | 2020-12-15 | 首钢集团有限公司 | 一种1300MPa级高强高塑性热冲压用钢及其制备方法 |
US11530469B2 (en) | 2019-07-02 | 2022-12-20 | GM Global Technology Operations LLC | Press hardened steel with surface layered homogenous oxide after hot forming |
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- 2015-11-17 CN CN201580062477.5A patent/CN107002155B/zh active Active
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- 2015-11-17 WO PCT/IB2015/058887 patent/WO2016079675A1/fr active Application Filing
- 2015-11-17 CN CN201910385711.8A patent/CN110144439B/zh active Active
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MX2017006303A (es) | 2017-08-21 |
CN107002155B (zh) | 2019-06-11 |
EP3221476A1 (fr) | 2017-09-27 |
KR20170086035A (ko) | 2017-07-25 |
EP3221476B1 (fr) | 2020-05-13 |
JP6686035B2 (ja) | 2020-04-22 |
WO2016079675A1 (fr) | 2016-05-26 |
JP2018500465A (ja) | 2018-01-11 |
KR102446210B1 (ko) | 2022-09-21 |
CA2967196A1 (fr) | 2016-05-26 |
RU2017117067A (ru) | 2018-11-21 |
BR112017010093B1 (pt) | 2021-05-18 |
ZA201703011B (en) | 2018-05-30 |
CN110144439A (zh) | 2019-08-20 |
ES2803599T3 (es) | 2021-01-28 |
HUE050200T2 (hu) | 2020-11-30 |
CN107002155A (zh) | 2017-08-01 |
US20170321294A1 (en) | 2017-11-09 |
CA2967196C (fr) | 2023-07-04 |
RU2017117067A3 (fr) | 2019-03-26 |
US11371109B2 (en) | 2022-06-28 |
CN110144439B (zh) | 2021-11-12 |
BR112017010093A2 (pt) | 2018-02-14 |
CN110218845A (zh) | 2019-09-10 |
RU2688092C2 (ru) | 2019-05-17 |
WO2016079565A1 (fr) | 2016-05-26 |
CN110218845B (zh) | 2021-12-17 |
UA120706C2 (uk) | 2020-01-27 |
PL3221476T3 (pl) | 2020-11-02 |
US20220282348A1 (en) | 2022-09-08 |
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