EP3556896A4 - Tôle d'acier laminée à froid à haute résistance présentant une excellente limite d'élasticité, une excellente ductilité et une excellente capacité d'expansion de trou, tôle d'acier galvanisée par immersion à chaud et procédé de production associé - Google Patents

Tôle d'acier laminée à froid à haute résistance présentant une excellente limite d'élasticité, une excellente ductilité et une excellente capacité d'expansion de trou, tôle d'acier galvanisée par immersion à chaud et procédé de production associé Download PDF

Info

Publication number: EP3556896A4
Authority: EP; European Patent Office
Prior art keywords: steel sheet; production method; high strength; dip galvanized; hot dip
Prior art date: 2016-12-16
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

EP17881067.7A

Other languages

German (de)

English (en)

Other versions

EP3556896A1 (fr

EP3556896B1 (fr

Inventor

Jai-Hyun Kwak

Hang-Sik 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.)

2016-12-16

Filing date

2017-11-29

Publication date

2019-10-23

2017-11-29 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2019-10-23 Publication of EP3556896A4 publication Critical patent/EP3556896A4/fr

2019-10-23 Publication of EP3556896A1 publication Critical patent/EP3556896A1/fr

2021-11-10 Application granted granted Critical

2021-11-10 Publication of EP3556896B1 publication Critical patent/EP3556896B1/fr

Status Active legal-status Critical Current

2037-11-29 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
- 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
- C21D8/0263—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
- 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
- C22C38/008—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
- C22C38/06—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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- 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
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
- 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
- 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
- C21D2211/001—Austenite
- 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
- C21D2211/008—Martensite

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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)
Coating With Molten Metal (AREA)

EP17881067.7A 2016-12-16 2017-11-29 Tôle d'acier laminée à froid à haute résistance présentant une excellente limite d'élasticité, une excellente ductilité et une excellente capacité d'expansion de trou, et tôle d'acier galvanisée par immersion à chaud Active EP3556896B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020160173006A KR101858852B1 (ko)	2016-12-16	2016-12-16	항복강도, 연성 및 구멍확장성이 우수한 고강도 냉연강판, 용융아연도금강판 및 이들의 제조방법
PCT/KR2017/013762 WO2018110867A1 (fr)	2016-12-16	2017-11-29	Tôle d'acier laminée à froid à haute résistance présentant une excellente limite d'élasticité, une excellente ductilité et une excellente capacité d'expansion de trou, tôle d'acier galvanisée par immersion à chaud et procédé de production associé

Publications (3)

Publication Number	Publication Date
EP3556896A4 true EP3556896A4 (fr)	2019-10-23
EP3556896A1 EP3556896A1 (fr)	2019-10-23
EP3556896B1 EP3556896B1 (fr)	2021-11-10

Family

ID=62558805

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17881067.7A Active EP3556896B1 (fr)	2016-12-16	2017-11-29	Tôle d'acier laminée à froid à haute résistance présentant une excellente limite d'élasticité, une excellente ductilité et une excellente capacité d'expansion de trou, et tôle d'acier galvanisée par immersion à chaud

Country Status (6)

Country	Link
US (1)	US20200190612A1 (fr)
EP (1)	EP3556896B1 (fr)
JP (1)	JP6846522B2 (fr)
KR (1)	KR101858852B1 (fr)
CN (1)	CN110073026B (fr)
WO (1)	WO2018110867A1 (fr)

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EP3754035B2 (fr) *	2019-06-17	2025-04-30	Tata Steel IJmuiden B.V.	Procédé de traitement thermique d'une bande d'acier laminée à froid
EP3754034B1 (fr)	2019-06-17	2022-03-02	Tata Steel IJmuiden B.V.	Traitement thermique d'une bande d'acier laminée à froid
PT3754036T (pt)	2019-06-17	2022-04-20	Tata Steel Ijmuiden Bv	Tratamento térmico de tira de aço laminada a frio de alta resistência
ES2911662T5 (en)	2019-06-17	2025-06-05	Tata Steel Ijmuiden Bv	Method of heat treating a high strength cold rolled steel strip
JP6879441B1 (ja) *	2019-08-20	2021-06-02	Ｊｆｅスチール株式会社	高強度冷延鋼板およびその製造方法
CN110964969B (zh) *	2019-11-27	2021-09-21	本钢板材股份有限公司	一种高强度热镀锌淬火配分钢及其生产方法
WO2021123877A1 (fr) *	2019-12-17	2021-06-24	Arcelormittal	Tôle d'acier laminée à chaud et son procédé de fabrication
WO2021123889A1 (fr) *	2019-12-19	2021-06-24	Arcelormittal	Feuille d'acier laminée à chaud et traitée thermiquement et son procédé de fabrication
MX2022015543A (es) *	2020-06-12	2023-01-18	Arcelormittal	Hoja de acero laminada en frio y tratada termicamente y un metodo de fabricacion de la misma.
KR102490312B1 (ko) *	2020-12-09	2023-01-19	주식회사 포스코	연성 및 성형성이 우수한 고강도 용융아연도금강판
KR102485009B1 (ko) *	2020-12-17	2023-01-04	주식회사 포스코	가공성이 우수한 고강도 강판 및 그 제조방법
KR102485012B1 (ko) *	2020-12-17	2023-01-04	주식회사 포스코	가공성이 우수한 고강도 강판 및 그 제조방법
CN115181895B (zh) *	2021-04-02	2023-09-12	宝山钢铁股份有限公司	1180MPa级别低碳低合金热镀锌Q&P钢及快速热处理热镀锌制造方法
CN115161541B (zh) *	2021-04-02	2023-08-11	宝山钢铁股份有限公司	780MPa级别高成形性热镀锌双相钢及快速热处理热镀锌制造方法
CN113186459B (zh) *	2021-04-08	2022-09-13	山东钢铁股份有限公司	一种屈服强度355MPa级冷轧低合金钢带及其制备方法
WO2023285867A1 (fr) *	2021-07-16	2023-01-19	Arcelormittal	Procédé de fabrication d'une pièce en acier
KR20230073569A (ko) *	2021-11-19	2023-05-26	주식회사 포스코	우수한 강도 및 성형성을 갖는 냉연강판 및 그 제조방법
CN115584378B (zh) *	2022-09-07	2024-10-01	武汉科技大学	增强Mn配分塑性的低碳钢残余应力调控方法
CN116397158B (zh) *	2022-11-22	2025-05-13	首钢集团有限公司	一种热镀锌dh钢及其制备方法和汽车结构件
CN118639110B (zh) *	2024-06-28	2026-02-24	鞍钢股份有限公司	热镀铝硅1180MPa级Q&P钢冷成形钢板及其制备方法
CN118581398A (zh) *	2024-06-28	2024-09-03	鞍钢股份有限公司	一种热镀铝硅800MPa级DH钢冷成形钢板及其制备方法

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2017
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- 2017-11-29 CN CN201780077454.0A patent/CN110073026B/zh active Active
- 2017-11-29 JP JP2019531765A patent/JP6846522B2/ja active Active
- 2017-11-29 WO PCT/KR2017/013762 patent/WO2018110867A1/fr not_active Ceased
- 2017-11-29 US US16/468,162 patent/US20200190612A1/en active Pending

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Also Published As

Publication number	Publication date
JP2020509177A (ja)	2020-03-26
KR101858852B1 (ko)	2018-06-28
US20200190612A1 (en)	2020-06-18
WO2018110867A1 (fr)	2018-06-21
EP3556896A1 (fr)	2019-10-23
CN110073026A (zh)	2019-07-30
CN110073026B (zh)	2021-09-07
JP6846522B2 (ja)	2021-03-24
WO2018110867A8 (fr)	2019-01-31
EP3556896B1 (fr)	2021-11-10

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