RU2018143682A - Изделия из высокопрочной стали и способы их изготовления - Google Patents
Изделия из высокопрочной стали и способы их изготовления Download PDFInfo
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- RU2018143682A RU2018143682A RU2018143682A RU2018143682A RU2018143682A RU 2018143682 A RU2018143682 A RU 2018143682A RU 2018143682 A RU2018143682 A RU 2018143682A RU 2018143682 A RU2018143682 A RU 2018143682A RU 2018143682 A RU2018143682 A RU 2018143682A
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- steel
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- 238000000034 method Methods 0.000 title claims 25
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims 16
- 238000000137 annealing Methods 0.000 claims 16
- 239000010959 steel Substances 0.000 claims 16
- 229910001566 austenite Inorganic materials 0.000 claims 10
- 229910052751 metal Inorganic materials 0.000 claims 8
- 239000002184 metal Substances 0.000 claims 8
- 239000010960 cold rolled steel Substances 0.000 claims 7
- 229910052748 manganese Inorganic materials 0.000 claims 6
- 239000011572 manganese Substances 0.000 claims 6
- 229910000859 α-Fe Inorganic materials 0.000 claims 5
- 239000011248 coating agent Substances 0.000 claims 4
- 238000000576 coating method Methods 0.000 claims 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 3
- 229910000734 martensite Inorganic materials 0.000 claims 3
- 239000011701 zinc Substances 0.000 claims 3
- 229910052725 zinc Inorganic materials 0.000 claims 3
- 230000032683 aging Effects 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 238000005246 galvanizing Methods 0.000 claims 1
Classifications
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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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- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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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
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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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
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- 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
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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
- 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
- C21D1/22—Martempering
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- C—CHEMISTRY; METALLURGY
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- 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
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C21D6/00—Heat treatment of ferrous alloys
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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
- 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
- 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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- 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
- 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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- C22C—ALLOYS
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- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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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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- C22C38/02—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
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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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- 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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- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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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
- C23C2/02—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
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
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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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- 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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- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/023—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
- C23C28/025—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
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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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- C21D2211/00—Microstructure comprising significant phases
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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
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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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12736—Al-base component
- Y10T428/1275—Next to Group VIII or IB metal-base component
- Y10T428/12757—Fe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12958—Next to Fe-base component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12958—Next to Fe-base component
- Y10T428/12965—Both containing 0.01-1.7% carbon [i.e., steel]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
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Claims (36)
1. Изделие из листовой холоднокатаной стали высокой прочности, содержащее от 0,12 до 0,5 масс. % С, от 1 до 3 масс. % Mn и от 0,8 до 3 масс. % комбинации Si и Al, причем изделие из листовой стали подвергают двухэтапному отжигу, содержит зерна феррита и по существу равноосные зерна остаточного аустенита, среднее аспектное отношение которых составляет менее чем 3:1, а прочность на растяжение и общее относительное удлинение UTS-TE составляют свыше 25000 МПа%.
2. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором Si составляет до 2 масс. %, Al составляет до 2 масс. %, и изделие из листовой стали дополнительно содержит до 0,05 масс. % Ti и до 0,05 масс. % Nb.
3. Изделие из листовой холоднокатаной стали высокой прочности по п. 2, в котором С составляет от 0,15 до 0,4 масс. %, Mn составляет от 1,3 до 2,5 масс. %, Si составляет от 0,2 до 1,8 масс. %, Al составляет до 1,5 масс. %, Ti составляет до 0,03 масс. %, a Nb составляет до 0,03 масс. %.
4. Изделие из листовой холоднокатаной стали высокой прочности по п. 2, в котором С составляет от 0,17 до 0,35 масс. %, Mn составляет от 1,5 до 2,3 масс. %, Si составляет от 0,4 до 1,5 масс. %, Al составляет до 1 масс. %, Ti составляет до 0,02 масс. %, a Nb составляет до 0,02 масс. %.
5. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором феррит составляет по меньшей мере 50 объемных процентов, остаточный аустенит составляет от 5 до 25 объемных процентов, а среднее аспектное отношение зерен остаточного аустенита составляет менее 2:1.
6. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором средний размер зерен остаточного аустенита составляет менее 10 микрон.
7. Изделие из листовой холоднокатаной стали высокой прочности по п. 6, в котором средний размер зерен остаточного аустенита составляет менее 1 микрона.
8. Изделие из листовой холоднокатаной стали высокой прочности по п. 6, в котором изделие из листовой стали содержит менее 15 объемных процентов свежего мартенсита.
9. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором предел прочности на растяжение изделия из листовой стали составляет от 720 до 1100 МПа, а общее относительное удлинение составляет по меньшей мере 20 процентов.
10. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором коэффициент раздачи отверстия изделия из листовой стали превышает 20 процентов.
11. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, в котором UTS-TE составляет по меньшей мере 30000 МПа%.
12. Изделие из листовой холоднокатаной стали высокой прочности по п. 1, дополнительно содержащее цинковое покрытие, нанесенное на изделие из листовой стали.
13. Способ получения изделия из листовой холоднокатаной стали высокой прочности, содержащего от 0,12 до 0,5 масс. % С, от 1 до 3 масс. % марганца и от 0,8 до 3 масс. % комбинации Si и Al, причем способ предусматривает:
выполнение первого этапа отжига изделия из листовой стали для достижения главным образом мартенситной микроструктуры; и
выполнение второго этапа отжига изделия из листовой стали, предусматривающего томление листового изделия в межкритическом интервале при температуре от 720 до 850°C с последующей выдержкой листового изделия при температуре от 370 до 430°С.
14. Способ по п. 13, в котором первый этап отжига выполняют при температуре выше 820°С.
15. Способ по п. 13, в котором первый этап отжига выполняют при температуре от 830 до 940°С.
16. Способ по п. 13, в котором томление согласно второму этапу выполняют при температуре от 720 до 850°С, а выдержку согласно второму этапу выполняют при температуре от 360 до 440°С.
17. Способ по п. 13, в котором между первым этапом и вторым этапом изделие из листовой стали охлаждают до температуры ниже 300°С.
18. Способ по п. 13, в котором между томлением согласно второму этапу и выдержкой согласно второму этапу изделие из листовой стали удерживают при температуре выше 300°С.
19. Способ по п. 13, в котором первый этап отжига выполняют на непрерывной линии отжига и второй этап выполняют на непрерывной линии отжига.
20. Способ по п. 19, в котором для выполнения как первого этапа отжига, так и второго этапа отжига используют одну и ту же непрерывную линию отжига.
21. Способ по п. 19, в котором для выполнения первого этапа отжига и второго этапа отжига используют разные непрерывные линии отжига.
22. Способ по п. 13, в котором первый этап отжига выполняют на непрерывной линии отжига, а второй этап выполняют на непрерывной линии цинкования.
23. Способ по п. 13, дополнительно предусматривающий нанесение покрытия на изделие из листовой стали цинкового покрытия электролитическим способом.
24. Способ по п. 13, в котором изделие из листовой стали содержит зерна феррита и по существу равноосные зерна остаточного аустенита, среднее аспектное отношение которых составляет менее чем 3:1, а прочность на растяжение и общее относительное удлинение UTS⋅TE составляют свыше 25000 МПа%.
25. Способ по п. 13, в котором Si составляет до 2 масс. %, Al составляет до 2 масс. %, и изделие из листовой стали дополнительно содержит до 0,05 масс. % Ti и до 0,05 масс. % Nb.
26. Способ по п. 25, в котором С составляет от 0,15 до 0,4 масс. %, Mn составляет от 1,3 до 2,5 масс. %, Si составляет от 0,2 до 1,8 масс. %, Al составляет до 1,5 масс. %, Ti составляет до 0,03 масс. %, a Nb составляет до 0,03 масс. %.
27. Способ по п. 25, в котором изделие из листовой холоднокатаной стали высокой прочности по п. 2, в котором С составляет от 0,17 до 0,35 масс. %, Mn составляет от 1,5 до 2,3 масс. %, Si составляет от 0,4 до 1,5 масс. %, Al составляет до 1 масс. %, Ti составляет до 0,02 масс. % и Nb составляет до 0,02 масс. %.
28. Способ по п. 13, в котором феррит феррит составляет по меньшей мере 50 объемных процентов, остаточный аустенит составляет от 5 до 25 объемных процентов, а среднее аспектное отношение зерен остаточного аустенита составляет менее 2:1.
29. Способ по п. 13, в котором средний размер зерен остаточного аустенита составляет менее 10 микрон.
30. Способ по п. 29, в котором средний размер зерен остаточного аустенита составляет менее 1 микрона.
31. Способ по п. 13, в котором изделие из листовой стали содержит менее 15 объемных процентов свежего мартенсита.
32. Способ по п. 13, в котором предел прочности на растяжение изделия из листовой стали составляет от 720 до 1100 МПа, а общее относительное удлинение составляет по меньшей мере 20 процентов.
33. Способ по п. 13, в котором коэффициент раздачи отверстия изделия из листовой стали превышает 20 процентов.
34. Способ по п. 13, дополнительно предусматривающий нанесение цинкового покрытия на изделие из листовой стали.
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| US201662334189P | 2016-05-10 | 2016-05-10 | |
| US62/334,189 | 2016-05-10 | ||
| US201662396602P | 2016-09-19 | 2016-09-19 | |
| US62/396,602 | 2016-09-19 | ||
| PCT/US2017/031938 WO2017196965A1 (en) | 2016-05-10 | 2017-05-10 | High strength steel products and annealing processes for making the same |
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| RU2018143682A true RU2018143682A (ru) | 2020-06-10 |
| RU2018143682A3 RU2018143682A3 (ru) | 2020-07-07 |
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| US11993823B2 (en) | 2016-05-10 | 2024-05-28 | United States Steel Corporation | High strength annealed steel products and annealing processes for making the same |
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-
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- 2017-05-10 AU AU2017263399A patent/AU2017263399B2/en active Active
- 2017-05-10 US US15/591,344 patent/US10385419B2/en active Active
- 2017-05-10 KR KR1020187035517A patent/KR102557715B1/ko active Active
- 2017-05-10 RU RU2018143682A patent/RU2749413C2/ru active
- 2017-05-10 MX MX2018013869A patent/MX2018013869A/es unknown
- 2017-05-10 BR BR112018073175-7A patent/BR112018073175B1/pt active IP Right Grant
- 2017-05-10 WO PCT/US2017/031938 patent/WO2017196965A1/en not_active Ceased
- 2017-05-10 EP EP17726161.7A patent/EP3455068A1/en active Pending
- 2017-05-10 CN CN201780042646.8A patent/CN109414904B/zh active Active
- 2017-05-10 UA UAA201812251A patent/UA124536C2/uk unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20190020296A (ko) | 2019-02-28 |
| CA3026506A1 (en) | 2017-11-16 |
| JP7186694B2 (ja) | 2022-12-09 |
| CN109414904A (zh) | 2019-03-01 |
| JP2019518876A (ja) | 2019-07-04 |
| EP3455068A1 (en) | 2019-03-20 |
| AU2017263399A1 (en) | 2019-01-03 |
| BR112018073175A2 (pt) | 2019-02-19 |
| MX2018013869A (es) | 2019-03-21 |
| AU2017263399B2 (en) | 2022-03-24 |
| BR112018073175B1 (pt) | 2022-08-16 |
| WO2017196965A1 (en) | 2017-11-16 |
| UA124536C2 (uk) | 2021-10-05 |
| US20170327924A1 (en) | 2017-11-16 |
| US11268162B2 (en) | 2022-03-08 |
| US12404564B2 (en) | 2025-09-02 |
| RU2018143682A3 (ru) | 2020-07-07 |
| KR102557715B9 (ko) | 2025-07-03 |
| US10385419B2 (en) | 2019-08-20 |
| US20190062864A1 (en) | 2019-02-28 |
| US20190390291A1 (en) | 2019-12-26 |
| KR102557715B1 (ko) | 2023-07-20 |
| RU2749413C2 (ru) | 2021-06-09 |
| CN109414904B (zh) | 2022-10-28 |
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