MA54266B1 - Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication - Google Patents

Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication

Info

Publication number
MA54266B1
MA54266B1 MA54266A MA54266A MA54266B1 MA 54266 B1 MA54266 B1 MA 54266B1 MA 54266 A MA54266 A MA 54266A MA 54266 A MA54266 A MA 54266A MA 54266 B1 MA54266 B1 MA 54266B1
Authority
MA
Morocco
Prior art keywords
steel sheet
annealed steel
rolled annealed
hot rolled
expansion ratio
Prior art date
Application number
MA54266A
Other languages
English (en)
Other versions
MA54266A (fr
Inventor
Jean-Christophe Hell
Original Assignee
Arcelormittal
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of MA54266A publication Critical patent/MA54266A/fr
Publication of MA54266B1 publication Critical patent/MA54266B1/fr

Links

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • 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
    • 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
    • C21D1/20—Isothermal quenching, e.g. bainitic hardening
    • 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
    • C21D6/001—Heat treatment of ferrous alloys containing Ni
    • 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
    • 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
    • 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
    • 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
    • C21D8/0221—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
    • 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
    • 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0426—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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0463—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment following 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing
    • 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • 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
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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
    • 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
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—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
    • 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
    • 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
    • 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 une tôle d'acier recuit laminée à froid présentant une composition chimique comprenant, en % en poids : 0,30 % = c = 0,50 %, 1,00 % = mn = 2,50 %, 1,00 % = si = 2,00 %, al = 2,00 %, cr = 0,100 %, 0,100 % = mo = 0,500 %, 0,020 % = nb = 0,200 %, b = 0,0005 %, p = 0,02 %, s = 0,005 %, n = 0,01 %, le reste étant du fe et des impuretés inévitables, les pourcentages en carbone, manganèse, chrome, molybdène et bore étant tels que l'alliage satisfait la condition suivante : 250 % c + 120 % mn - 200 % cr + 200 % mo - 10 000 % b = 320, et la microstructure comprenant en fraction de surface, 35 % à 45 % d'îlots de martensite et d'austénite résiduelle (m-a), l'austénite résiduelle totale étant supérieure ou égale à 24 %, le reste étant constitué de ferrite bainitique.
MA54266A 2018-11-30 2018-11-30 Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication MA54266B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2018/059510 WO2020109850A1 (fr) 2018-11-30 2018-11-30 Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication

Publications (2)

Publication Number Publication Date
MA54266A MA54266A (fr) 2022-03-09
MA54266B1 true MA54266B1 (fr) 2023-03-31

Family

ID=64902147

Family Applications (1)

Application Number Title Priority Date Filing Date
MA54266A MA54266B1 (fr) 2018-11-30 2018-11-30 Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication

Country Status (17)

Country Link
US (1) US20220010398A1 (fr)
EP (1) EP3887556B1 (fr)
JP (1) JP7213973B2 (fr)
KR (1) KR102544854B1 (fr)
CN (1) CN112930409B (fr)
BR (1) BR112021005688B1 (fr)
CA (1) CA3115030C (fr)
ES (1) ES2939457T3 (fr)
FI (1) FI3887556T3 (fr)
HU (1) HUE061197T2 (fr)
MA (1) MA54266B1 (fr)
MX (1) MX2021005866A (fr)
PL (1) PL3887556T3 (fr)
RU (1) RU2768717C1 (fr)
UA (1) UA126731C2 (fr)
WO (1) WO2020109850A1 (fr)
ZA (1) ZA202101829B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111647820B (zh) * 2020-06-15 2022-01-11 山东建筑大学 一种先进高强度钢及其分段制备方法与应用
CN114107791B (zh) * 2020-08-31 2023-06-13 宝山钢铁股份有限公司 一种980MPa级全贝氏体型超高扩孔钢及其制造方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3003451B2 (ja) * 1992-03-11 2000-01-31 日本鋼管株式会社 加工性および溶接性に優れた耐摩耗鋼
JP4188581B2 (ja) * 2001-01-31 2008-11-26 株式会社神戸製鋼所 加工性に優れた高強度鋼板およびその製造方法
JP4091894B2 (ja) * 2003-04-14 2008-05-28 新日本製鐵株式会社 耐水素脆化、溶接性、穴拡げ性および延性に優れた高強度薄鋼板およびその製造方法
CA2531616A1 (fr) 2004-12-28 2006-06-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Tole mince d'acier a haute resistance mecanique possedant une resistance elevee a la fragilisation par l'hydrogene et une grande aptitude a l'usinage
EP1990431A1 (fr) * 2007-05-11 2008-11-12 ArcelorMittal France Procédé de fabrication de tôles d'acier laminées à froid et recuites à très haute résistance, et tôles ainsi produites
JP5483859B2 (ja) * 2008-10-31 2014-05-07 臼井国際産業株式会社 焼入性に優れた高強度鋼製加工品及びその製造方法、並びに高強度かつ耐衝撃特性及び耐内圧疲労特性に優れたディーゼルエンジン用燃料噴射管及びコモンレールの製造方法
JP5598157B2 (ja) * 2010-08-20 2014-10-01 新日鐵住金株式会社 耐遅れ破壊特性及び衝突安全性に優れたホットプレス用鋼板及びその製造方法
WO2012164579A1 (fr) 2011-05-30 2012-12-06 Tata Steel Limited Acier bainitique à haute résistance et fort
WO2012168564A1 (fr) * 2011-06-07 2012-12-13 Arcelormittal Investigación Y Desarrollo Sl Tôle d'acier laminée à froid et revêtue de zinc ou d'alliage de zinc, procédé de fabrication et utilisation d'une telle tôle
KR101601566B1 (ko) * 2011-07-29 2016-03-08 신닛테츠스미킨 카부시키카이샤 성형성이 우수한 고강도 강판, 고강도 아연 도금 강판 및 그들의 제조 방법
IN2014CN04908A (fr) * 2011-11-28 2015-09-18 Arcelormittal Lnvestigacion Y Desarrollo S L
EP2895635B1 (fr) 2012-09-14 2019-03-06 Mannesmann Precision Tubes GmbH Alliage d'acier pour un acier faiblement allié à haute résistance
WO2015011511A1 (fr) * 2013-07-24 2015-01-29 Arcelormittal Investigación Y Desarrollo Sl Tôle d'acier à très hautes caractéristiques mécaniques de résistance et de ductilité, procédé de fabrication et utilisation de telles tôles
EP2840159B8 (fr) * 2013-08-22 2017-07-19 ThyssenKrupp Steel Europe AG Procédé destiné à la fabrication d'un composant en acier
CN103695618B (zh) * 2013-12-16 2016-03-02 北京科技大学 一种制备亚微米复相钢的热机械处理方法
JP6149778B2 (ja) * 2014-03-31 2017-06-21 Ｊｆｅスチール株式会社 耐摩耗性に優れた厚鋼板およびその製造方法
WO2015177582A1 (fr) * 2014-05-20 2015-11-26 Arcelormittal Investigación Y Desarrollo Sl Tôle d'acier doublement recuite à hautes caractéristiques mécaniques de résistance et ductilité, procédé de fabrication et utilisation de telles tôles
JP6179461B2 (ja) * 2014-05-27 2017-08-16 Ｊｆｅスチール株式会社 高強度鋼板の製造方法
WO2016001705A1 (fr) * 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une aptitude au formage et une ductilité améliorées, et tôle ainsi obtenue
WO2016001706A1 (fr) * 2014-07-03 2016-01-07 Arcelormittal Procédé de fabrication d'une tôle d'acier haute résistance ayant une résistance et une aptitude au formage améliorées et feuille ainsi obtenue
CN105506478B (zh) * 2014-09-26 2017-10-31 宝山钢铁股份有限公司 一种高成形性的冷轧超高强度钢板、钢带及其制造方法
WO2016079565A1 (fr) * 2014-11-18 2016-05-26 Arcelormittal Procédé de fabrication d'un produit en acier haute résistance et produit en acier ainsi obtenu
CN104388821B (zh) * 2014-12-08 2017-01-04 钢铁研究总院 TiC粒子增强型复相组织高塑性耐磨钢板及制造方法
JP6348436B2 (ja) * 2015-02-27 2018-06-27 株式会社神戸製鋼所 高強度高延性鋼板
JP6472692B2 (ja) * 2015-03-23 2019-02-20 株式会社神戸製鋼所 成形性に優れた高強度鋼板
JP6554396B2 (ja) * 2015-03-31 2019-07-31 株式会社神戸製鋼所 加工性および衝突特性に優れた引張強度が９８０ＭＰａ以上の高強度冷延鋼板、およびその製造方法
WO2016198906A1 (fr) * 2015-06-10 2016-12-15 Arcelormittal Acier a haute résistance et procédé de fabrication
JP6620474B2 (ja) * 2015-09-09 2019-12-18 日本製鉄株式会社 溶融亜鉛めっき鋼板および合金化溶融亜鉛めっき鋼板、並びにそれらの製造方法
WO2017109539A1 (fr) * 2015-12-21 2017-06-29 Arcelormittal Procédé de fabrication d'une tôle d'acier à haute résistance présentant une résistance et une formabilité améliorées et tôle d'acier à haute résistance obtenue par ce procédé
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
WO2017125773A1 (fr) * 2016-01-18 2017-07-27 Arcelormittal Tôle d'acier à haute résistance présentant une excellente aptitude au formage et procédé de fabrication de celle-ci
JP6696208B2 (ja) * 2016-02-18 2020-05-20 日本製鉄株式会社 高強度鋼板の製造方法
JP6762868B2 (ja) * 2016-03-31 2020-09-30 株式会社神戸製鋼所 高強度鋼板およびその製造方法
CN106636899B (zh) * 2016-12-12 2018-08-03 东北大学 一种1000MPa级高扩孔型冷轧贝氏体钢的制造方法
WO2018127984A1 (fr) * 2017-01-06 2018-07-12 Ｊｆｅスチール株式会社 Tôle d'acier haute résistance laminée à froid et son procédé de fabrication
WO2018203111A1 (fr) * 2017-05-05 2018-11-08 Arcelormittal Procédé de production d'une tôle d'acier à haute résistance ayant une ductilité, une formabilité et une soudabilité élevées et tôle d'acier obtenue ainsi
WO2019092483A1 (fr) * 2017-11-10 2019-05-16 Arcelormittal Tôle d'acier laminée à froid et traitée thermiquement et son procédé de fabrication

Also Published As

Publication number Publication date
ES2939457T3 (es) 2023-04-24
FI3887556T3 (fi) 2023-03-25
UA126731C2 (uk) 2023-01-11
PL3887556T3 (pl) 2023-05-15
JP2022510809A (ja) 2022-01-28
EP3887556B1 (fr) 2023-02-01
CN112930409B (zh) 2023-01-31
MA54266A (fr) 2022-03-09
KR20210068090A (ko) 2021-06-08
CA3115030A1 (fr) 2020-06-04
RU2768717C1 (ru) 2022-03-24
EP3887556A1 (fr) 2021-10-06
MX2021005866A (es) 2021-07-16
ZA202101829B (en) 2022-01-26
JP7213973B2 (ja) 2023-01-27
HUE061197T2 (hu) 2023-05-28
CA3115030C (fr) 2023-06-27
BR112021005688B1 (pt) 2023-05-02
BR112021005688A2 (pt) 2021-06-22
KR102544854B1 (ko) 2023-06-19
US20220010398A1 (en) 2022-01-13
CN112930409A (zh) 2021-06-08
WO2020109850A1 (fr) 2020-06-04

Similar Documents

Publication Publication Date Title
US9879334B2 (en) Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
CA2615682C (fr) Acier inoxydable martensitique a haute resistance, usinable, faconnable a froid, resistant a la corrosion
CA2645059A1 (fr) Procede de fabrication de toles d'acier a tres hautes caracteristiques de resistance, de ductilite et de tenacite, et toles ainsi produites
CA3113056C (fr) Acier resistant a l'abrasion presentant une excellente durete et une excellente solidite au choc, et son procede de fabrication
MX2021003458A (es) Hoja de acero laminada en caliente y un metodo de fabricacion de la misma.
ZA202305240B (en) Cold rolled and heat treated steel sheet and a method of manufacturing thereof
EA033710B1 (ru) Дуплексная нержавеющая сталь
JP6880194B2 (ja) 高温焼戻し熱処理及び溶接後熱処理抵抗性に優れた圧力容器用鋼材及びその製造方法
MX2022010798A (es) Hoja de acero laminada en frio y galvanorrecocida de alta resistencia y el proceso de fabricacion de la misma.
MA54266B1 (fr) Tôle d'acier recuit laminée à chaud présentant un rapport d'expansion de trou élevé et son procédé de fabrication
JP2011063886A (ja) 低サイクル疲労特性に優れた浸炭焼入れ鋼材及び浸炭焼入れ部品
MX2024003168A (es) Pieza de acero estampada en caliente de alta resistencia y metodo de fabricacion de la misma.
ZA202212135B (en) Cold rolled and heat-treated steel sheet and a method of manufacturing thereof
JP2008214651A (ja) 溶接性に優れた耐磨耗鋼板
TWI651419B (zh) 雙相不銹鋼
BR112022024442A2 (pt) Chapa de aço laminada a frio, método de produção de uma chapa de aço laminada a frio, uso de uma chapa de aço e veículo
JPWO2016147550A1 (ja) 高強度冷延鋼板およびその製造方法
WO2018235342A1 (fr) Tôle d'acier
ZA202301580B (en) Cold rolled and coated steel sheet and a method of manufacturing thereof
ZA202211067B (en) Hot rolled and heat-treated steel sheet and method of manufacturing the same
CA2895697C (fr) Tuyau en acier inoxydable dote d'une excellente resistance a l'erosion et son procede de fabrication
CA2895971C (fr) Tole en acier inoxydable roulee a chaud ayant une excellente durete et d'excellentes proprietes d'impact a basse temperature
JP2018150601A (ja) 鋼材およびその製造方法
MX2022007054A (es) Hoja de acero laminada en frio tratada termicamente y un metodo de fabricacion de la misma.
KR20130046942A (ko) 고강도 열연강판 및 그 제조 방법