EP4394075A4 - Ferritischer edelstahl mit verbesserten magnetischen eigenschaften und herstellungsverfahren dafür - Google Patents

Ferritischer edelstahl mit verbesserten magnetischen eigenschaften und herstellungsverfahren dafür

Info

Publication number
EP4394075A4
EP4394075A4 EP22887478.0A EP22887478A EP4394075A4 EP 4394075 A4 EP4394075 A4 EP 4394075A4 EP 22887478 A EP22887478 A EP 22887478A EP 4394075 A4 EP4394075 A4 EP 4394075A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
manufacturing processes
magnetic properties
ferritic stainless
improved magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP22887478.0A
Other languages
English (en)
French (fr)
Other versions
EP4394075A1 (de
Inventor
Kyunghun Kim
Munsoo Lee
Hak Kim
Jieon Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4394075A1 publication Critical patent/EP4394075A1/de
Publication of EP4394075A4 publication Critical patent/EP4394075A4/de
Pending legal-status Critical Current

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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 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
    • C21D8/1216—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
    • C21D8/1233—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 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
    • C21D8/1272—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
    • 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
    • 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
    • C22C38/004—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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/18—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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

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)
  • Soft Magnetic Materials (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP22887478.0A 2021-10-26 2022-10-19 Ferritischer edelstahl mit verbesserten magnetischen eigenschaften und herstellungsverfahren dafür Pending EP4394075A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210143705A KR20230059480A (ko) 2021-10-26 2021-10-26 자기적 성질이 향상된 페라이트계 스테인리스강 및 그 제조방법
PCT/KR2022/015945 WO2023075282A1 (ko) 2021-10-26 2022-10-19 자기적 성질이 향상된 페라이트계 스테인리스강 및 그 제조방법

Publications (2)

Publication Number Publication Date
EP4394075A1 EP4394075A1 (de) 2024-07-03
EP4394075A4 true EP4394075A4 (de) 2025-10-15

Family

ID=86159541

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22887478.0A Pending EP4394075A4 (de) 2021-10-26 2022-10-19 Ferritischer edelstahl mit verbesserten magnetischen eigenschaften und herstellungsverfahren dafür

Country Status (6)

Country Link
US (1) US20240401174A1 (de)
EP (1) EP4394075A4 (de)
JP (1) JP2024539668A (de)
KR (1) KR20230059480A (de)
CN (1) CN118176314A (de)
WO (1) WO2023075282A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025127833A1 (ko) * 2023-12-15 2025-06-19 주식회사 포스코 페라이트계 스테인리스강 및 그 제조방법

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107744A (ja) * 1988-10-18 1990-04-19 Kawasaki Steel Corp 溶接性と耐食性に優れたフェライト系ステンレス鋼
JPH11302739A (ja) * 1998-04-23 1999-11-02 Nippon Steel Corp 表面特性が優れ、異方性が小さいフェライト系ステンレス鋼の製造方法
JP2000001756A (ja) * 1998-06-18 2000-01-07 Kawasaki Steel Corp 表面性状が良好で耐食性と成形加工性に優れたフェライト系ステンレス鋼
CN101153375A (zh) * 2006-09-29 2008-04-02 宝山钢铁股份有限公司 一种易切削铁素体不锈钢
JP2017115872A (ja) * 2015-12-09 2017-06-29 新日鐵住金ステンレス株式会社 自動車用部材
US20180237891A1 (en) * 2015-08-17 2018-08-23 Nisshin Steel Co., Ltd. Vibration-damping ferritic stainless steel material, and production method
CN113462984A (zh) * 2021-07-16 2021-10-01 浙江青山钢铁有限公司 高耐腐蚀超易切削的软磁铁素体不锈钢盘条及其制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3281243B2 (ja) * 1995-12-27 2002-05-13 新日本製鐵株式会社 磁気特性に優れたフェライト系ステンレス鋼板およびその製造方法
JP4519543B2 (ja) * 2004-07-01 2010-08-04 新日鐵住金ステンレス株式会社 耐食性，冷間加工性および靱性に優れる磁性を有する安価ステンレス鋼線及びその製造方法
CN101492792A (zh) * 2008-01-24 2009-07-29 宝山钢铁股份有限公司 一种用于铁磁性部件的易切削铁素体不锈钢
JP5872334B2 (ja) * 2012-03-07 2016-03-01 新日鐵住金ステンレス株式会社 軟磁性ステンレス鋼細線およびその製造方法
JP6722740B2 (ja) * 2018-10-16 2020-07-15 日鉄ステンレス株式会社 磁気特性に優れたフェライト系ステンレス鋼
JP7475181B2 (ja) * 2020-03-31 2024-04-26 日鉄ステンレス株式会社 フェライト系ステンレス鋼
CN116529399A (zh) * 2020-12-08 2023-08-01 日铁不锈钢株式会社 铁素体系不锈钢钢板以及制造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107744A (ja) * 1988-10-18 1990-04-19 Kawasaki Steel Corp 溶接性と耐食性に優れたフェライト系ステンレス鋼
JPH11302739A (ja) * 1998-04-23 1999-11-02 Nippon Steel Corp 表面特性が優れ、異方性が小さいフェライト系ステンレス鋼の製造方法
JP2000001756A (ja) * 1998-06-18 2000-01-07 Kawasaki Steel Corp 表面性状が良好で耐食性と成形加工性に優れたフェライト系ステンレス鋼
CN101153375A (zh) * 2006-09-29 2008-04-02 宝山钢铁股份有限公司 一种易切削铁素体不锈钢
US20180237891A1 (en) * 2015-08-17 2018-08-23 Nisshin Steel Co., Ltd. Vibration-damping ferritic stainless steel material, and production method
JP2017115872A (ja) * 2015-12-09 2017-06-29 新日鐵住金ステンレス株式会社 自動車用部材
CN113462984A (zh) * 2021-07-16 2021-10-01 浙江青山钢铁有限公司 高耐腐蚀超易切削的软磁铁素体不锈钢盘条及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023075282A1 *

Also Published As

Publication number Publication date
CN118176314A (zh) 2024-06-11
EP4394075A1 (de) 2024-07-03
KR20230059480A (ko) 2023-05-03
US20240401174A1 (en) 2024-12-05
WO2023075282A1 (ko) 2023-05-04
JP2024539668A (ja) 2024-10-29

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