EP4403663A4 - Acier inoxydable ferritique et son procédé de fabrication - Google Patents

Acier inoxydable ferritique et son procédé de fabrication

Info

Publication number
EP4403663A4
EP4403663A4 EP22887483.0A EP22887483A EP4403663A4 EP 4403663 A4 EP4403663 A4 EP 4403663A4 EP 22887483 A EP22887483 A EP 22887483A EP 4403663 A4 EP4403663 A4 EP 4403663A4
Authority
EP
European Patent Office
Prior art keywords
manufacturing
stainless steel
ferritic stainless
ferritic
steel
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
EP22887483.0A
Other languages
German (de)
English (en)
Other versions
EP4403663A1 (fr
Inventor
Sooho Park
Jiwoong Jun
Jeehyun Yu
Hoihun Kim
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
Priority claimed from KR1020210143706A external-priority patent/KR102959091B1/ko
Application filed by Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4403663A1 publication Critical patent/EP4403663A1/fr
Publication of EP4403663A4 publication Critical patent/EP4403663A4/fr
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • 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
    • C21D8/0263—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 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
    • 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
    • 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
    • C22C38/002—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
    • C22C38/02—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
    • 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
EP22887483.0A 2021-10-26 2022-10-20 Acier inoxydable ferritique et son procédé de fabrication Pending EP4403663A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210143706A KR102959091B1 (ko) 2021-10-26 페라이트계 스테인리스강 및 그 제조방법
PCT/KR2022/015994 WO2023075287A1 (fr) 2021-10-26 2022-10-20 Acier inoxydable ferritique et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4403663A1 EP4403663A1 (fr) 2024-07-24
EP4403663A4 true EP4403663A4 (fr) 2025-10-29

Family

ID=86159546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22887483.0A Pending EP4403663A4 (fr) 2021-10-26 2022-10-20 Acier inoxydable ferritique et son procédé de fabrication

Country Status (5)

Country Link
US (1) US20240417834A1 (fr)
EP (1) EP4403663A4 (fr)
JP (1) JP2024541928A (fr)
CN (1) CN118159680A (fr)
WO (1) WO2023075287A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340625A (en) * 1976-09-28 1978-04-13 Nippon Steel Corp Production of ferritic stainless steel sheet
US4515644A (en) * 1980-10-21 1985-05-07 Nippon Steel Corporation Method for producing ferritic stainless steel sheets or strips containing aluminum
JPS63169330A (ja) * 1987-01-03 1988-07-13 Nisshin Steel Co Ltd 延性に優れた高強度複相組織クロムステンレス鋼帯の製造法
JPH06271943A (ja) * 1993-03-23 1994-09-27 Kawasaki Steel Corp 成形性および耐リジング性に優れ、しかも異方性の小さいフェライト系ステンレス鋼板の製造方法
JPH08225852A (ja) * 1995-02-16 1996-09-03 Nippon Steel Corp リビング性に優れたフェライト系ステンレス鋼板の製造方法
JPH11209826A (ja) * 1998-01-23 1999-08-03 Nippon Steel Corp 表面性状とリジング性に優れたフェライト系ステンレス鋼板の製造方法
JPH11256240A (ja) * 1998-03-10 1999-09-21 Nippon Steel Corp フェライト系ステンレス鋼板の製造方法
US20180265951A1 (en) * 2014-10-02 2018-09-20 Jfe Steel Corporation Ferritic stainless steel and method for manufacturing the same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5723024A (en) * 1980-07-15 1982-02-06 Nippon Steel Corp Manufacture of ferrite stainless steel plate
JPS5943978B2 (ja) 1980-10-21 1984-10-25 新日本製鐵株式会社 リジング及びプレス成形性に優れたフエライト系ステンレス鋼冷延薄鋼板の製造方法
JPS5785954A (en) * 1980-11-19 1982-05-28 Nippon Steel Corp Ferrite stainless steel with superior formability
JPS57155326A (en) 1981-03-23 1982-09-25 Nippon Steel Corp Production of ferritic stainless steel sheet excellent in workability
JPS6328829A (ja) * 1986-07-21 1988-02-06 Nippon Steel Corp Ｃｒ系ステンレス鋼薄板の製造方法
JPH07100821B2 (ja) * 1986-12-30 1995-11-01 日新製鋼株式会社 面内異方性の小さい高延性高強度の複相組織クロムステンレス鋼帯の製造法
JP4221107B2 (ja) * 1999-03-19 2009-02-12 新日本製鐵株式会社 表面性状に優れたフェライト系ステンレス鋼板の製造方法
JP4721916B2 (ja) * 2005-01-24 2011-07-13 新日鐵住金ステンレス株式会社 成形時の面内異方性が小さく耐リジング性及び耐肌荒れ性に優れたフェライト系ステンレス鋼薄板及びその製造方法
CN102234740B (zh) * 2010-04-22 2013-07-17 宝山钢铁股份有限公司 一种铁素体不锈钢及其冷轧板的制造方法
JP2011246814A (ja) * 2010-04-30 2011-12-08 Jfe Steel Corp フェライト系ステンレス鋼板およびその製造方法
JP6602112B2 (ja) * 2015-08-31 2019-11-06 日鉄ステンレス株式会社 耐二次加工脆性に優れた深絞り成形用高純度フェライト系ステンレス鋼板およびその製造方法
JP6680279B2 (ja) * 2017-08-31 2020-04-15 Ｊｆｅスチール株式会社 フェライト系ステンレス鋼板およびその製造方法
KR102517499B1 (ko) * 2018-10-19 2023-04-03 제이에프이 스틸 가부시키가이샤 페라이트계 스테인리스 강판 및 그 제조 방법

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5340625A (en) * 1976-09-28 1978-04-13 Nippon Steel Corp Production of ferritic stainless steel sheet
US4515644A (en) * 1980-10-21 1985-05-07 Nippon Steel Corporation Method for producing ferritic stainless steel sheets or strips containing aluminum
JPS63169330A (ja) * 1987-01-03 1988-07-13 Nisshin Steel Co Ltd 延性に優れた高強度複相組織クロムステンレス鋼帯の製造法
JPH06271943A (ja) * 1993-03-23 1994-09-27 Kawasaki Steel Corp 成形性および耐リジング性に優れ、しかも異方性の小さいフェライト系ステンレス鋼板の製造方法
JPH08225852A (ja) * 1995-02-16 1996-09-03 Nippon Steel Corp リビング性に優れたフェライト系ステンレス鋼板の製造方法
JPH11209826A (ja) * 1998-01-23 1999-08-03 Nippon Steel Corp 表面性状とリジング性に優れたフェライト系ステンレス鋼板の製造方法
JPH11256240A (ja) * 1998-03-10 1999-09-21 Nippon Steel Corp フェライト系ステンレス鋼板の製造方法
US20180265951A1 (en) * 2014-10-02 2018-09-20 Jfe Steel Corporation Ferritic stainless steel and method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023075287A1 *

Also Published As

Publication number Publication date
KR20230059481A (ko) 2023-05-03
US20240417834A1 (en) 2024-12-19
CN118159680A (zh) 2024-06-07
EP4403663A1 (fr) 2024-07-24
WO2023075287A1 (fr) 2023-05-04
JP2024541928A (ja) 2024-11-13

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