EP4357478A4 - Tôle d'acier plaquée hautement résistante à la corrosion ayant une excellente résistance à la corrosion et une excellente qualité de surface, et son procédé de fabrication - Google Patents

Tôle d'acier plaquée hautement résistante à la corrosion ayant une excellente résistance à la corrosion et une excellente qualité de surface, et son procédé de fabrication Download PDF

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Publication number
EP4357478A4
EP4357478A4 EP22825232.6A EP22825232A EP4357478A4 EP 4357478 A4 EP4357478 A4 EP 4357478A4 EP 22825232 A EP22825232 A EP 22825232A EP 4357478 A4 EP4357478 A4 EP 4357478A4
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EP
European Patent Office
Prior art keywords
steel sheet
manufacturing processes
surface quality
clad steel
corrosion resistance
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
EP22825232.6A
Other languages
German (de)
English (en)
Other versions
EP4357478A1 (fr
Inventor
Sung-Joo Kim
Il-Ryoung Sohn
Tae-Chul Kim
Kwang-Won Kim
Sang-Tae Han
Myung-Soo Kim
Yong-Kyun Cho
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 EP4357478A1 publication Critical patent/EP4357478A1/fr
Publication of EP4357478A4 publication Critical patent/EP4357478A4/fr
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/36Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by cold-rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C18/00Alloys based on zinc
    • C22C18/04Alloys based on zinc with aluminium as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06Zinc or cadmium or alloys based thereon
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • C23C2/28Thermal after-treatment, e.g. treatment in oil bath
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/26After-treatment
    • C23C2/28Thermal after-treatment, e.g. treatment in oil bath
    • C23C2/29Cooling or quenching
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36Elongated material
    • C23C2/40Plates; Strips
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/02Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
    • C23C28/023Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only
    • C23C28/025Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material only coatings of metal elements only with at least one zinc-based layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/221Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • Coating With Molten Metal (AREA)
EP22825232.6A 2021-06-18 2022-06-10 Tôle d'acier plaquée hautement résistante à la corrosion ayant une excellente résistance à la corrosion et une excellente qualité de surface, et son procédé de fabrication Pending EP4357478A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210079649A KR102529740B1 (ko) 2021-06-18 2021-06-18 내식성 및 표면 품질이 우수한 고내식 도금 강판 및 이의 제조방법
PCT/KR2022/008200 WO2022265307A1 (fr) 2021-06-18 2022-06-10 Tôle d'acier plaquée hautement résistante à la corrosion ayant une excellente résistance à la corrosion et une excellente qualité de surface, et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4357478A1 EP4357478A1 (fr) 2024-04-24
EP4357478A4 true EP4357478A4 (fr) 2024-11-20

Family

ID=84527224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22825232.6A Pending EP4357478A4 (fr) 2021-06-18 2022-06-10 Tôle d'acier plaquée hautement résistante à la corrosion ayant une excellente résistance à la corrosion et une excellente qualité de surface, et son procédé de fabrication

Country Status (6)

Country Link
US (1) US20240263291A1 (fr)
EP (1) EP4357478A4 (fr)
JP (1) JP7743543B2 (fr)
KR (2) KR102529740B1 (fr)
CN (1) CN117561347A (fr)
WO (1) WO2022265307A1 (fr)

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WO2024123097A1 (fr) 2022-12-07 2024-06-13 주식회사 엘지에너지솔루션 Module de batterie et bloc-batterie le comprenant
JP7769282B1 (ja) * 2024-05-16 2025-11-13 日本製鉄株式会社 表面処理鋼材
TWI913050B (zh) * 2024-05-16 2026-01-21 日商日本製鐵股份有限公司 表面處理鋼材
KR20260017840A (ko) * 2024-07-30 2026-02-06 현대제철 주식회사 도금 강판 및 이의 제조방법

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Publication number Priority date Publication date Assignee Title
US6465114B1 (en) * 1999-05-24 2002-10-15 Nippon Steel Corporation -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same
JP3793522B2 (ja) * 2002-11-27 2006-07-05 新日本製鐵株式会社 鮮映性の優れた高耐食性塗装鋼板
JP2011157579A (ja) * 2010-01-29 2011-08-18 Nisshin Steel Co Ltd 粗面化溶融Zn−Al−Mg合金めっき鋼板およびその製造方法、ならびに溶融Zn−Al−Mg合金めっき鋼板と熱可塑性樹脂成形体とが接合された複合体およびその製造方法
CN111534777A (zh) * 2020-06-08 2020-08-14 首钢集团有限公司 一种具有切口耐蚀性的热浸镀锌铝镁镀层钢板及其制备方法
EP3733920A1 (fr) * 2017-12-26 2020-11-04 Posco Acier plaqué d'alliage de zinc ayant une excellente résistance à la corrosion et un excellent lissé de surface, et son procédé de fabrication
JP2021004403A (ja) * 2019-06-27 2021-01-14 日本製鉄株式会社 めっき鋼材、およびめっき鋼材の製造方法
KR20210035722A (ko) * 2019-09-24 2021-04-01 주식회사 포스코 내식성, 내골링성, 가공성 및 표면 품질이 우수한 도금 강판 및 이의 제조방법
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EP4036270A1 (fr) 2019-09-24 2022-08-03 Posco Tôle d'acier plaquée possédant une résistance à la corrosion, une résistance au grippage, une aptitude au formage et une propriété de surface excellentes, et son procédé de fabrication
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US6465114B1 (en) * 1999-05-24 2002-10-15 Nippon Steel Corporation -Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same
JP3793522B2 (ja) * 2002-11-27 2006-07-05 新日本製鐵株式会社 鮮映性の優れた高耐食性塗装鋼板
JP2011157579A (ja) * 2010-01-29 2011-08-18 Nisshin Steel Co Ltd 粗面化溶融Zn−Al−Mg合金めっき鋼板およびその製造方法、ならびに溶融Zn−Al−Mg合金めっき鋼板と熱可塑性樹脂成形体とが接合された複合体およびその製造方法
US10982303B2 (en) * 2017-01-27 2021-04-20 Nippon Steel Corporation Coated steel product
EP3733920A1 (fr) * 2017-12-26 2020-11-04 Posco Acier plaqué d'alliage de zinc ayant une excellente résistance à la corrosion et un excellent lissé de surface, et son procédé de fabrication
JP2021004403A (ja) * 2019-06-27 2021-01-14 日本製鉄株式会社 めっき鋼材、およびめっき鋼材の製造方法
KR20210035722A (ko) * 2019-09-24 2021-04-01 주식회사 포스코 내식성, 내골링성, 가공성 및 표면 품질이 우수한 도금 강판 및 이의 제조방법
CN111534777A (zh) * 2020-06-08 2020-08-14 首钢集团有限公司 一种具有切口耐蚀性的热浸镀锌铝镁镀层钢板及其制备方法
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Title
CHOI JIHUN ET AL: "Impact of cooling rates on the microstructure and cracking susceptibility of hot-dip galvanized Zn-12Â wt% Al-5Â wt% Mg coatings", vol. 488, 1 July 2024 (2024-07-01), pages 131050, XP009557561, ISSN: 1879-3347, Retrieved from the Internet <URL:https://doi.org/10.1016/j.surfcoat.2024.131050> DOI: 10.1016/J.SURFCOAT.2024.131050 *
OH MIN-SUK ET AL: "Surface and cut-edge corrosion behavior of Zn-Mg-Al alloy-coated steel sheets as a function of the alloy coating microstructure", METALS AND MATERIALS INTERNATIONAL, THE KOREAN INSTITUTE OF METALS AND MATERIALS, SEOUL, vol. 22, no. 1, 10 December 2015 (2015-12-10), pages 26 - 33, XP035961087, ISSN: 1598-9623, [retrieved on 20151210], DOI: 10.1007/S12540-015-5411-9 *
See also references of WO2022265307A1 *

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KR20220169450A (ko) 2022-12-27
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US20240263291A1 (en) 2024-08-08
WO2022265307A1 (fr) 2022-12-22
CN117561347A (zh) 2024-02-13
KR102732250B1 (ko) 2024-11-20
EP4357478A1 (fr) 2024-04-24
KR20220169338A (ko) 2022-12-27

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