EP3666919A4 - Tôle d'acier plaquée ayant une excellente qualité de surface, une excellente résistance et une excellente ductilité - Google Patents

Tôle d'acier plaquée ayant une excellente qualité de surface, une excellente résistance et une excellente ductilité Download PDF

Info

Publication number: EP3666919A4
Authority: EP; European Patent Office
Prior art keywords: steel sheet; plated steel; surface quality; ductility; resistance
Prior art date: 2017-08-09
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.): Granted

Application number

EP18845253.6A

Other languages

German (de)

English (en)

Other versions

EP3666919A1 (fr

EP3666919B1 (fr

Inventor

Yong-Woo 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.)

2017-08-09

Filing date

2018-08-03

Publication date

2020-06-17

2018-08-03 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2020-06-17 Publication of EP3666919A1 publication Critical patent/EP3666919A1/fr

2020-06-17 Publication of EP3666919A4 publication Critical patent/EP3666919A4/fr

2023-11-08 Application granted granted Critical

2023-11-08 Publication of EP3666919B1 publication Critical patent/EP3666919B1/fr

Status Active legal-status Critical Current

2038-08-03 Anticipated expiration legal-status Critical

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
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
- 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
- C21D8/0247—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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
- 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
- C23C—COATING 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- 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
- C23C—COATING 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
- 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
- C23C—COATING 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
- 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
- C23C—COATING 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-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
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
- 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
- C23C—COATING 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- 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
- C21D2211/002—Bainite
- 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
- 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
- C21D2211/009—Pearlite

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)
Chemical Kinetics & Catalysis (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP18845253.6A 2017-08-09 2018-08-03 Tôle d'acier plaquée ayant une excellente qualité de surface, une excellente résistance et une excellente ductilité Active EP3666919B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020170101268A KR101977474B1 (ko)	2017-08-09	2017-08-09	표면 품질, 강도 및 연성이 우수한 도금강판
PCT/KR2018/008848 WO2019031773A1 (fr)	2017-08-09	2018-08-03	Tôle d'acier plaquée ayant une excellente qualité de surface, une excellente résistance et une excellente ductilité

Publications (3)

Publication Number	Publication Date
EP3666919A1 EP3666919A1 (fr)	2020-06-17
EP3666919A4 true EP3666919A4 (fr)	2020-06-17
EP3666919B1 EP3666919B1 (fr)	2023-11-08

Family

ID=65272396

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18845253.6A Active EP3666919B1 (fr)	2017-08-09	2018-08-03	Tôle d'acier plaquée ayant une excellente qualité de surface, une excellente résistance et une excellente ductilité

Country Status (8)

Country	Link
US (1)	US20200377963A1 (fr)
EP (1)	EP3666919B1 (fr)
JP (1)	JP6952869B2 (fr)
KR (1)	KR101977474B1 (fr)
CN (1)	CN110997963A (fr)
ES (1)	ES2970206T3 (fr)
PT (1)	PT3666919T (fr)
WO (1)	WO2019031773A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR102403648B1 (ko) *	2020-11-17	2022-05-30	주식회사 포스코	고강도 열연강판, 열연 도금강판 및 이들의 제조방법
KR102492030B1 (ko) *	2020-12-21	2023-01-26	주식회사 포스코	저항복비를 갖는 고강도 열연강판 및 그 제조방법

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US20080202639A1 (en) *	2005-08-03	2008-08-28	Toshirou Tomida	Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
US20130319582A1 (en) *	2011-03-31	2013-12-05	Nippon Steel & Sumitomo Metal Corporation	Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof
JP2014095146A (ja) *	2012-10-10	2014-05-22	Jfe Steel Corp	耐疲労き裂伝ぱ特性に優れた溶接構造物用鋼板およびその製造方法
US20150284819A1 (en) *	2012-08-15	2015-10-08	Nippon Steel & Sumitomo Metal Corporation	Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member

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FI114484B (fi)	2002-06-19	2004-10-29	Rautaruukki Oyj	Kuumavalssattu nauhateräs ja sen valmistusmenetelmä
JP4362319B2 (ja)	2003-06-02	2009-11-11	新日本製鐵株式会社	耐遅れ破壊特性に優れた高強度鋼板およびその製造方法
JP5321571B2 (ja)	2004-11-30	2013-10-23	Ｊｆｅスチール株式会社	高強度熱延鋼板の製造方法
KR101033752B1 (ko) *	2005-02-16	2011-05-09	신닛뽄세이테쯔 카부시키카이샤	구상화 처리 후의 냉간 단조성이 우수한 열간 압연 선재,우수한 냉간 단조성을 갖는 구상화 어닐링 처리된 강선, 및그들의 제조 방법
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KR20150074978A (ko) *	2013-12-24	2015-07-02	주식회사 포스코	도금성이 우수한 아연-알루미늄-마그네슘 합금도금강판 및 그 제조방법
CN104513930A (zh) *	2014-12-19	2015-04-15	宝山钢铁股份有限公司	弯曲和扩孔性能良好的超高强热轧复相钢板和钢带及其制造方法
KR101672103B1 (ko) *	2014-12-22	2016-11-02	주식회사 포스코	표면품질이 우수한 고강도 아연도금강판용 열연강판 및 이의 제조방법
MX392337B (es) *	2015-01-30	2025-03-24	Jfe Steel Corp	Lámina de acero recubierta de alta resistencia y método para la producción de la misma.

2017
- 2017-08-09 KR KR1020170101268A patent/KR101977474B1/ko active Active
2018
- 2018-08-03 JP JP2020506319A patent/JP6952869B2/ja active Active
- 2018-08-03 CN CN201880051691.4A patent/CN110997963A/zh active Pending
- 2018-08-03 EP EP18845253.6A patent/EP3666919B1/fr active Active
- 2018-08-03 PT PT188452536T patent/PT3666919T/pt unknown
- 2018-08-03 WO PCT/KR2018/008848 patent/WO2019031773A1/fr not_active Ceased
- 2018-08-03 US US16/636,794 patent/US20200377963A1/en not_active Abandoned
- 2018-08-03 ES ES18845253T patent/ES2970206T3/es active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20080202639A1 (en) *	2005-08-03	2008-08-28	Toshirou Tomida	Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
US20130319582A1 (en) *	2011-03-31	2013-12-05	Nippon Steel & Sumitomo Metal Corporation	Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof
US20150284819A1 (en) *	2012-08-15	2015-10-08	Nippon Steel & Sumitomo Metal Corporation	Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member
JP2014095146A (ja) *	2012-10-10	2014-05-22	Jfe Steel Corp	耐疲労き裂伝ぱ特性に優れた溶接構造物用鋼板およびその製造方法

Also Published As

Publication number	Publication date
EP3666919A1 (fr)	2020-06-17
WO2019031773A1 (fr)	2019-02-14
PT3666919T (pt)	2024-02-08
KR20190016826A (ko)	2019-02-19
JP6952869B2 (ja)	2021-10-27
CN110997963A (zh)	2020-04-10
JP2020530068A (ja)	2020-10-15
KR101977474B1 (ko)	2019-05-10
US20200377963A1 (en)	2020-12-03
ES2970206T3 (es)	2024-05-27
EP3666919B1 (fr)	2023-11-08

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2022-10-26	17Q	First examination report despatched	Effective date: 20220927
2022-11-23	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: POSCO HOLDINGS INC.
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