RU2013114859A - NON-TEXTURED ELECTRICAL SHEET STEEL WITHOUT DEPOSIT OF GROWTH AND METHOD OF ITS PRODUCTION - Google Patents

NON-TEXTURED ELECTRICAL SHEET STEEL WITHOUT DEPOSIT OF GROWTH AND METHOD OF ITS PRODUCTION Download PDF

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RU2013114859A
RU2013114859A RU2013114859/02A RU2013114859A RU2013114859A RU 2013114859 A RU2013114859 A RU 2013114859A RU 2013114859/02 A RU2013114859/02 A RU 2013114859/02A RU 2013114859 A RU2013114859 A RU 2013114859A RU 2013114859 A RU2013114859 A RU 2013114859A
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slab
textured electrical
sheet
electrical steel
defect
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RU2013114859/02A
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RU2550440C2 (en
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Фэн ЧЖАН
Сиао ЧЭНЬ
Вэй ЦАО
Ечжун СУНЬ
Чансун МА
Цзяньжу ЧЖУ
Чжолэй ЧЭНЬ
Сяньдун ЛЮ
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Баошан Айрон Энд Стил Ко., Лтд.
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/182—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by measuring temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
    • B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222—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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272—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
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation

Abstract

1. Нетекстурированная электротехническая листовая сталь без дефекта рослости, химический состав которой включает, мас.%:Fe и неустранимые примеси - остальное2. Способ производства нетекстурированной электротехнической листовой стали без дефекта рослости, включающий следующие шаги:1) Содержание элементов в химических составах нетекстурированной электротехнической листовой стали таково, мас.%: С<0,005, Si от 1,2 до 2,2, Mn от 0,2 до 0,4, Р<0,2, S0,005, Al от 0,2 до 0,6, N<0,005, O<0,005, Fe и неустранимые примеси - остальное; сначала получают сляб путем предварительной обработки горячего металла, выплавки в конвертере, циркуляционного рафинирования и непрерывного литья и заливки, при этом контролируют количество воды на вторичном охлаждении, причем расход охлаждающей воды контролируют на уровне 100-190 л/мин, а средний уровень перегрева жидкой стали в процессе непрерывного литья контролируют на уровне 10-45°C;2) сляб нагревают и подвергают горячей прокатке; при этом температура выпуска топки для сляба составляет 1050-1150°C, разница температур между двумя случайно выбранными точками в продольном направлении сляба при его нагреве составляет менее 25°C, а процесс горячей прокатки включает черновую прокатку и выглаживание, причем температура на входе для процесса выглаживания не ниже 970°C;3) итоговый лист нетекстурированной электротехнической стали получают после травления кислотой, холодной прокатки, отжига и нанесения покрытия.1. Non-textured electrical sheet steel without a defect of risers, the chemical composition of which includes, wt.%: Fe and unrecoverable impurities - the rest 2. A method for the production of non-textured electrical steel sheet without a defect of growth, comprising the following steps: 1) The content of elements in the chemical compositions of non-textured electrical steel sheet is as follows, wt.%: C <0.005, Si from 1.2 to 2.2, Mn from 0.2 up to 0.4, P <0.2, S0.005, Al from 0.2 to 0.6, N <0.005, O <0.005, Fe and unrecoverable impurities - the rest; first, a slab is obtained by pretreating hot metal, smelting in a converter, circulating refining and continuous casting and pouring, while controlling the amount of water in the secondary cooling, the flow of cooling water being controlled at 100-190 l / min, and the average level of overheating of liquid steel during continuous casting, they are controlled at 10-45 ° C; 2) the slab is heated and hot rolled; the outlet temperature of the furnace for the slab is 1050-1150 ° C, the temperature difference between two randomly selected points in the longitudinal direction of the slab when it is heated is less than 25 ° C, and the hot rolling process involves rough rolling and smoothing, and the inlet temperature for the process smoothing not lower than 970 ° C; 3) the final sheet of non-textured electrical steel is obtained after acid pickling, cold rolling, annealing and coating.

Claims (2)

1. Нетекстурированная электротехническая листовая сталь без дефекта рослости, химический состав которой включает, мас.%:1. Non-textured electrical sheet steel without a defect of risers, the chemical composition of which includes, wt.%: СFROM <0,005<0.005 SiSi 1,2-2,21.2-2.2 MnMn 0,2-0,40.2-0.4 PP <0,2<0.2 SS <0,005<0.005 AlAl 0,2-0,60.2-0.6 NN <0,005<0.005 OO <0,005<0.005
Fe и неустранимые примеси - остальноеFe and fatal impurities - the rest 2. Способ производства нетекстурированной электротехнической листовой стали без дефекта рослости, включающий следующие шаги:2. A method of manufacturing a non-textured electrical steel sheet without a defect in the riser, comprising the following steps: 1) Содержание элементов в химических составах нетекстурированной электротехнической листовой стали таково, мас.%: С<0,005, Si от 1,2 до 2,2, Mn от 0,2 до 0,4, Р<0,2, S0,005, Al от 0,2 до 0,6, N<0,005, O<0,005, Fe и неустранимые примеси - остальное; сначала получают сляб путем предварительной обработки горячего металла, выплавки в конвертере, циркуляционного рафинирования и непрерывного литья и заливки, при этом контролируют количество воды на вторичном охлаждении, причем расход охлаждающей воды контролируют на уровне 100-190 л/мин, а средний уровень перегрева жидкой стали в процессе непрерывного литья контролируют на уровне 10-45°C;1) The content of elements in the chemical compositions of non-textured electrical steel sheet is as follows, wt.%: C <0.005, Si from 1.2 to 2.2, Mn from 0.2 to 0.4, P <0.2, S0.005 , Al from 0.2 to 0.6, N <0.005, O <0.005, Fe and fatal impurities - the rest; first, a slab is obtained by pretreating hot metal, smelting in a converter, circulating refining and continuous casting and pouring, while controlling the amount of water in the secondary cooling, the flow of cooling water being controlled at 100-190 l / min, and the average level of overheating of liquid steel in the process of continuous casting is controlled at a level of 10-45 ° C; 2) сляб нагревают и подвергают горячей прокатке; при этом температура выпуска топки для сляба составляет 1050-1150°C, разница температур между двумя случайно выбранными точками в продольном направлении сляба при его нагреве составляет менее 25°C, а процесс горячей прокатки включает черновую прокатку и выглаживание, причем температура на входе для процесса выглаживания не ниже 970°C;2) the slab is heated and subjected to hot rolling; the outlet temperature of the furnace for the slab is 1050-1150 ° C, the temperature difference between two randomly selected points in the longitudinal direction of the slab when it is heated is less than 25 ° C, and the hot rolling process involves rough rolling and smoothing, and the inlet temperature for the process smoothing not lower than 970 ° C; 3) итоговый лист нетекстурированной электротехнической стали получают после травления кислотой, холодной прокатки, отжига и нанесения покрытия. 3) the final sheet of non-textured electrical steel is obtained after acid pickling, cold rolling, annealing and coating.
RU2013114859/02A 2010-09-30 2011-04-14 Method of production of random-orientation electrotechnical steel plates without rising defect RU2550440C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2010102989655A CN102443734B (en) 2010-09-30 2010-09-30 Non-oriented electrical steel plate without corrugated defect and its manufacturing method
CN201010298965.5 2010-09-30
PCT/CN2011/072766 WO2012041053A1 (en) 2010-09-30 2011-04-14 Non-oriented electric steel plate without corrugated fault and production method thereof

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RU2013114859A true RU2013114859A (en) 2014-11-10
RU2550440C2 RU2550440C2 (en) 2015-05-10

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US (1) US20130224064A1 (en)
EP (1) EP2623626B1 (en)
JP (1) JP2013540900A (en)
KR (1) KR20130049822A (en)
CN (1) CN102443734B (en)
MX (1) MX357357B (en)
RU (1) RU2550440C2 (en)
WO (1) WO2012041053A1 (en)

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CN116117096B (en) * 2023-01-04 2023-07-18 安庆新普电气设备有限公司 High equiaxial crystal rate non-oriented electrical steel continuous casting billet and preparation method thereof

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