JP7673823B2 - 熱延鋼帯の焼鈍方法 - Google Patents

熱延鋼帯の焼鈍方法 Download PDF

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Publication number
JP7673823B2
JP7673823B2 JP2023558798A JP2023558798A JP7673823B2 JP 7673823 B2 JP7673823 B2 JP 7673823B2 JP 2023558798 A JP2023558798 A JP 2023558798A JP 2023558798 A JP2023558798 A JP 2023558798A JP 7673823 B2 JP7673823 B2 JP 7673823B2
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Prior art keywords
steel strip
annealing
temperature
heating
hot
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JP2023558798A
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Japanese (ja)
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JPWO2023190645A5 (https=
JPWO2023190645A1 (https=
Inventor
弘和 小林
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JFE Steel Corp
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JFE Steel Corp
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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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/60—Continuous furnaces for strip or wire with induction heating
    • 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
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying 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
    • C21D8/1216—Modifying 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying 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
    • C21D8/1244—Modifying 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
    • C21D8/1261—Modifying 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 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
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • 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
    • 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
    • C21D1/34—Methods of heating
    • 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
    • C21D1/34—Methods of heating
    • C21D1/40—Direct resistance heating
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/62—Continuous furnaces for strip or wire with direct resistance heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
JP2023558798A 2022-03-31 2023-03-29 熱延鋼帯の焼鈍方法 Active JP7673823B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022059371 2022-03-31
JP2022059371 2022-03-31
PCT/JP2023/012737 WO2023190645A1 (ja) 2022-03-31 2023-03-29 熱延鋼帯の焼鈍方法

Publications (3)

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JPWO2023190645A1 JPWO2023190645A1 (https=) 2023-10-05
JPWO2023190645A5 JPWO2023190645A5 (https=) 2024-03-08
JP7673823B2 true JP7673823B2 (ja) 2025-05-09

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US (1) US20250230519A1 (https=)
EP (1) EP4488394A4 (https=)
JP (1) JP7673823B2 (https=)
WO (1) WO2023190645A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003147440A (ja) 2001-11-05 2003-05-21 Kawasaki Steel Corp 材質安定化システム
JP2011179035A (ja) 2010-02-26 2011-09-15 Jfe Steel Corp 連続焼鈍炉の板温制御方法及び連続焼鈍炉
US20140175713A1 (en) 2011-08-12 2014-06-26 Siemens Aktiengesellschaft Method for operating a continuous annealing line for the processing of a rolled good
WO2018074531A1 (ja) 2016-10-18 2018-04-26 Ｊｆｅスチール株式会社 電磁鋼板製造用の熱延鋼板およびその製造方法
JP2018066040A (ja) 2016-10-19 2018-04-26 Ｊｆｅスチール株式会社 Ｓｉ含有熱延鋼板の熱延板焼鈍設備、熱延板焼鈍方法および脱スケール方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3260605B2 (ja) * 1995-10-27 2002-02-25 新日本製鐵株式会社 コイル内材質の均一性が良い冷延鋼板の製造方法
JP4894146B2 (ja) * 2005-01-31 2012-03-14 Ｊｆｅスチール株式会社 方向性電磁鋼スラブの加熱方法
RU2414513C1 (ru) * 2007-04-05 2011-03-20 Ниппон Стил Корпорейшн Способ непрерывного отжига полосовой стали, имеющей точку кюри, и устройство для непрерывного отжига такой стали
JP6160649B2 (ja) 2014-05-19 2017-07-12 Ｊｆｅスチール株式会社 方向性電磁鋼板の製造方法
JP6784182B2 (ja) * 2017-01-31 2020-11-11 Ｊｆｅスチール株式会社 鋼板の温度制御方法、及び、鋼板の温度制御装置
JP7557123B2 (ja) * 2020-02-06 2024-09-27 日本製鉄株式会社 無方向性電磁鋼板及びその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003147440A (ja) 2001-11-05 2003-05-21 Kawasaki Steel Corp 材質安定化システム
JP2011179035A (ja) 2010-02-26 2011-09-15 Jfe Steel Corp 連続焼鈍炉の板温制御方法及び連続焼鈍炉
US20140175713A1 (en) 2011-08-12 2014-06-26 Siemens Aktiengesellschaft Method for operating a continuous annealing line for the processing of a rolled good
WO2018074531A1 (ja) 2016-10-18 2018-04-26 Ｊｆｅスチール株式会社 電磁鋼板製造用の熱延鋼板およびその製造方法
JP2018066040A (ja) 2016-10-19 2018-04-26 Ｊｆｅスチール株式会社 Ｓｉ含有熱延鋼板の熱延板焼鈍設備、熱延板焼鈍方法および脱スケール方法

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EP4488394A4 (en) 2025-06-25
US20250230519A1 (en) 2025-07-17
EP4488394A1 (en) 2025-01-08
JPWO2023190645A1 (https=) 2023-10-05
WO2023190645A1 (ja) 2023-10-05

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