KR101609174B1 - 열연 규소강 생산방법 - Google Patents

열연 규소강 생산방법 Download PDF

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KR101609174B1
KR101609174B1 KR1020147025196A KR20147025196A KR101609174B1 KR 101609174 B1 KR101609174 B1 KR 101609174B1 KR 1020147025196 A KR1020147025196 A KR 1020147025196A KR 20147025196 A KR20147025196 A KR 20147025196A KR 101609174 B1 KR101609174 B1 KR 101609174B1
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slab
heating
furnace
silicon steel
temperature
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KR20140131952A (ko
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후아웨이 장
야핑 유
유 공
예종 순
홍슈 헤이
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바오샨 아이론 앤 스틸 유한공사
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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1205Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving particular fabrication steps or treatments of ingots or slabs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets 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
    • H01F1/14Magnets 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
    • H01F1/147Alloys characterised by their composition
    • H01F1/14766Fe-Si based alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26Methods of annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/021Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving particular fabrication steps or treatments of ingots or slabs
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing
    • C21D8/041Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for drawing, e.g. for deep-drawing involving a particular fabrication or treatment of ingot or slab
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the working steps
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties characterised by the heat treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0081Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/70Furnaces for ingots, i.e. soaking pits
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2201/00Treatment for obtaining particular effects
    • C21D2201/05Grain orientation

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Metal Rolling (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
KR1020147025196A 2012-03-13 2012-03-29 열연 규소강 생산방법 Active KR101609174B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201210065610.0A CN103302104B (zh) 2012-03-13 2012-03-13 热轧硅钢的制造方法
CN201210065610.0 2012-03-13
PCT/CN2012/000401 WO2013134897A1 (zh) 2012-03-13 2012-03-29 热轧硅钢的制造方法

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KR20140131952A KR20140131952A (ko) 2014-11-14
KR101609174B1 true KR101609174B1 (ko) 2016-04-05

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US (1) US9496078B2 (https=)
EP (1) EP2826871B1 (https=)
JP (1) JP6283617B2 (https=)
KR (1) KR101609174B1 (https=)
CN (1) CN103302104B (https=)
IN (1) IN2014MN01793A (https=)
MX (1) MX357221B (https=)
RU (1) RU2591788C2 (https=)
WO (1) WO2013134897A1 (https=)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103551398B (zh) * 2013-11-06 2015-09-30 北京首钢股份有限公司 一种无取向硅钢热轧卷楔形控制方法
CN105200441A (zh) * 2014-05-30 2015-12-30 宝山钢铁股份有限公司 带氧化物层的热镀产品、其制造方法及其应用
JP6748375B2 (ja) * 2016-10-19 2020-09-02 Jfeスチール株式会社 Si含有熱延鋼板の脱スケール方法
CN108237148B (zh) * 2017-10-16 2019-10-08 首钢集团有限公司 一种用于消除目标钢毛刺链缺陷的方法
CN108246812B (zh) * 2017-12-22 2019-06-04 包头钢铁(集团)有限责任公司 一种热轧钢板边部翘皮的控制方法
CN109513753B (zh) * 2018-10-10 2020-12-11 北京首钢股份有限公司 测试板坯角部金属流动性的方法
WO2020216686A1 (en) 2019-04-20 2020-10-29 Tata Steel Ijmuiden B.V. Method for producing a high strength silicon containing steel strip with excellent surface quality and said steel strip produced thereby
CN110055391A (zh) * 2019-04-24 2019-07-26 首钢集团有限公司 一种消除精冲钢热卷边部裂纹缺陷的方法
CN110180895B (zh) * 2019-05-28 2021-05-14 北京首钢股份有限公司 一种解决热轧高碳合金钢边部线状缺陷的方法
CN111349778B (zh) * 2020-03-20 2021-12-21 首钢京唐钢铁联合有限责任公司 一种板坯装炉间距的控制方法及装置
CN111443666B (zh) * 2020-03-25 2022-08-09 唐山钢铁集团有限责任公司 一种基于数据库模型的钢卷质量判定参数智能跟踪的方法
CN112296102B (zh) * 2020-09-30 2022-08-19 首钢集团有限公司 无取向硅钢板坯低温加热的控制方法及控制装置
CN112575156A (zh) * 2020-11-06 2021-03-30 邢台钢铁有限责任公司 一种改善中碳合金钢铸坯偏析的开坯方法
CN112605122B (zh) * 2020-12-15 2023-01-10 首钢智新迁安电磁材料有限公司 一种改善硅钢热轧板边部质量的加工方法
CN113198866B (zh) * 2021-05-07 2023-03-17 新余钢铁股份有限公司 一种薄规格中高牌号无取向硅钢酸轧生产工艺
CN113393753B (zh) * 2021-05-24 2022-08-16 攀钢集团攀枝花钢钒有限公司 钢轨半万能轧制金属流动平面演示控制方法
CN113539653B (zh) * 2021-09-16 2021-12-10 西安钢研功能材料股份有限公司 一种软磁合金棒材的制备方法
CN114378114B (zh) * 2021-12-10 2024-06-28 天津市新天钢钢铁集团有限公司 一种利用缺陷连铸坯生产质量优良中厚板的方法
CN114472518B (zh) * 2021-12-24 2023-12-29 安阳钢铁股份有限公司 一种提高热连轧无取向硅钢厚度精度的方法
CN114535315B (zh) * 2022-02-08 2023-10-20 山西太钢不锈钢股份有限公司 一种防止高磁感取向硅钢热轧边裂工艺
CN114632818B (zh) * 2022-03-14 2023-12-05 安阳钢铁股份有限公司 一种减少取向硅钢热轧边裂的工艺方法
CN116851457B (zh) * 2023-07-13 2026-03-27 广西钢铁集团有限公司 一种控制冷轧镀锌板边部黑线的生产方法
CN121103862A (zh) * 2025-11-14 2025-12-12 鞍钢股份有限公司 一种改善无取向硅钢热轧边部黑线缺陷的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4204891A (en) * 1978-11-27 1980-05-27 Nippon Steel Corporation Method for preventing the edge crack in a grain oriented silicon steel sheet produced from a continuously cast steel slab
JPS61243118A (ja) * 1985-04-18 1986-10-29 Sumitomo Metal Ind Ltd 2相ステンレス鋼熱間圧延鋼帯の製造方法
DE69324801T2 (de) 1992-12-28 1999-09-16 Kawasaki Steel Corp., Kobe Verfahren zur herstellung warmgewalzter siliziumstahlbleche mit hervorragenden oberflächeneigenschaften
KR100273094B1 (ko) * 1996-06-17 2000-12-01 이구택 열연판의 에지크랙을 감소시키는 방향성 전기강판의 슬라브 가열방법
JPH11123404A (ja) * 1997-10-23 1999-05-11 Nippon Steel Corp 形鋼製造用矩形鋼片の加熱方法並びに形鋼の粗圧延方法
RU2133283C1 (ru) * 1998-07-06 1999-07-20 Открытое акционерное общество Верхнесалдинское металлургическое производственное объединение Способ нагрева слитков
KR100419641B1 (ko) * 1999-04-15 2004-02-25 주식회사 포스코 방향성 전기강판의 열연판 엣지크랙 방지방법
CN1258608C (zh) * 2003-10-27 2006-06-07 宝山钢铁股份有限公司 冷轧无取向电工钢的制造方法
JP2005152953A (ja) * 2003-11-26 2005-06-16 Jfe Steel Kk 高シリコン鋼材の先端反り抑制方法
CN100467625C (zh) * 2005-10-31 2009-03-11 宝山钢铁股份有限公司 一种生产取向硅钢的方法
CN100535168C (zh) * 2007-02-16 2009-09-02 宝山钢铁股份有限公司 一种热轧铁素体不锈钢带钢的生产方法
CN101607266A (zh) * 2009-07-20 2009-12-23 山东泰山钢铁集团有限公司 一种适用于炉卷轧机生产铁素体不锈钢热轧钢带的方法
RU2403293C1 (ru) * 2009-08-03 2010-11-10 Открытое акционерное общество "Новолипецкий металлургический комбинат" Способ производства анизотропной электротехнической стали
CN101947549A (zh) * 2010-09-10 2011-01-19 山东泰山钢铁集团有限公司 一种抑制节镍奥氏体不锈钢热轧板边裂的生产工艺

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Publication number Publication date
EP2826871A1 (en) 2015-01-21
JP6283617B2 (ja) 2018-02-21
EP2826871A4 (en) 2015-11-18
EP2826871B1 (en) 2018-10-17
RU2014132737A (ru) 2016-05-10
JP2015511533A (ja) 2015-04-20
WO2013134897A1 (zh) 2013-09-19
KR20140131952A (ko) 2014-11-14
CN103302104A (zh) 2013-09-18
CN103302104B (zh) 2015-07-22
RU2591788C2 (ru) 2016-07-20
MX357221B (es) 2018-06-29
IN2014MN01793A (https=) 2015-07-03
US9496078B2 (en) 2016-11-15
MX2014010516A (es) 2014-10-14
US20150243418A1 (en) 2015-08-27

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