EP3680359A4 - HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING IT - Google Patents

HOT ROLLED STEEL SHEET AND METHOD FOR PRODUCING IT Download PDF

Info

Publication number: EP3680359A4
Authority: EP; European Patent Office
Prior art keywords: producing; steel sheet; rolled steel; hot rolled; hot
Prior art date: 2017-11-13
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

EP18876175.3A

Other languages

German (de)

French (fr)

Other versions

EP3680359A1 (en

EP3680359B1 (en

Inventor

Katsutoshi Takashima

Takayuki Futatsuka

Kentaro Sato

Shimpei Yoshioka

Yoshihiko Ono

Yoshimasa Funakawa

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.)

JFE Steel Corp

Original Assignee

JFE Steel Corp

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.)

2017-11-13

Filing date

2018-11-07

Publication date

2020-07-15

2018-11-07 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2020-07-15 Publication of EP3680359A1 publication Critical patent/EP3680359A1/en

2020-07-15 Publication of EP3680359A4 publication Critical patent/EP3680359A4/en

2022-01-05 Application granted granted Critical

2022-01-05 Publication of EP3680359B1 publication Critical patent/EP3680359B1/en

Status Active legal-status Critical Current

2038-11-07 Anticipated expiration legal-status Critical

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
- 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
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and Ni
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
- 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
- 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
- C23C2/04—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
- C23C2/12—Aluminium 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
- C23C2/29—Cooling or quenching
- 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
- C21D2211/001—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
- C21D2211/004—Dispersions; Precipitations
- 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Thermal Sciences (AREA)
Physics & Mathematics (AREA)
Chemical Kinetics & Catalysis (AREA)
Crystallography & Structural Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Heat Treatment Of Sheet Steel (AREA)
Heat Treatment Of Articles (AREA)
Heat Treatment Of Steel (AREA)

EP18876175.3A 2017-11-13 2018-11-07 Hot-pressed steel sheet member and method for producing same Active EP3680359B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017218301		2017-11-13
PCT/JP2018/041343 WO2019093376A1 (en)	2017-11-13	2018-11-07	Hot-pressed steel sheet member and method for producing same

Publications (3)

Publication Number	Publication Date
EP3680359A1 EP3680359A1 (en)	2020-07-15
EP3680359A4 true EP3680359A4 (en)	2020-07-15
EP3680359B1 EP3680359B1 (en)	2022-01-05

Family

ID=66438821

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18876175.3A Active EP3680359B1 (en)	2017-11-13	2018-11-07	Hot-pressed steel sheet member and method for producing same

Country Status (7)

Country	Link
US (1)	US20200332382A1 (en)
EP (1)	EP3680359B1 (en)
JP (1)	JP6569841B1 (en)
KR (1)	KR20200066350A (en)
CN (1)	CN111344425B (en)
MX (1)	MX2020004926A (en)
WO (1)	WO2019093376A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
MX2020004927A (en) *	2017-11-13	2020-08-27	Jfe Steel Corp	Hot press steel sheet member and manufacturing method therefor.
US12215405B2 (en)	2019-02-21	2025-02-04	Jfe Steel Corporation	Hot-pressed member, cold-rolled steel sheet for hot pressing, and manufacturing methods therefor
JP7436823B2 (en)	2020-03-26	2024-02-22	日本製鉄株式会社	Steel plate for hot stamped parts and its manufacturing method
JP7477750B2 (en)	2020-03-26	2024-05-02	日本製鉄株式会社	Hot stamped parts and manufacturing method thereof
JP7436822B2 (en)	2020-03-26	2024-02-22	日本製鉄株式会社	Steel plate for hot stamped parts and its manufacturing method
US20230295762A1 (en) *	2020-08-28	2023-09-21	Jfe Steel Corporation	Hot-pressed member and method for producing the same
CN112126860B (en) *	2020-09-25	2022-03-04	重庆科技学院	A cold-formed ultra-high-strength low-alloy martensitic steel
CN115058650B (en) *	2022-06-21	2023-10-17	清华大学	High plasticity hot formed steel and its rapid heating preparation method and application

Citations (3)

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Publication number	Priority date	Publication date	Assignee	Title
JP2007211276A (en) *	2006-02-08	2007-08-23	Sumitomo Metal Ind Ltd	Plated steel sheet for hot pressing, method for manufacturing the same, and method for manufacturing hot press-formed members
JP2014118613A (en) *	2012-12-18	2014-06-30	Nippon Steel & Sumitomo Metal	Hot stamp molded body excellent in strength and hydrogen embrittlement resistance and its manufacturing method
WO2017111456A1 (en) *	2015-12-21	2017-06-29	주식회사 포스코	Vehicle part having high strength and excellent durability, and manufacturing method therefor

Family Cites Families (12)

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Publication number	Priority date	Publication date	Assignee	Title
JP5257062B2 (en) *	2008-12-25	2013-08-07	新日鐵住金株式会社	High strength hot stamping molded article excellent in toughness and hydrogen embrittlement resistance and method for producing the same
JP2010174283A (en) *	2009-01-28	2010-08-12	Jfe Steel Corp	Hot press member having excellent ductility, steel sheet for the hot press member and method for producing the hot press member
JP4766186B2 (en)	2009-08-21	2011-09-07	Ｊｆｅスチール株式会社	Hot pressed member, steel plate for hot pressed member, method for manufacturing hot pressed member
JP5024407B2 (en)	2010-03-24	2012-09-12	Ｊｆｅスチール株式会社	Manufacturing method of ultra-high strength member
JP5729213B2 (en)	2011-08-18	2015-06-03	新日鐵住金株式会社	Manufacturing method of hot press member
JP5742697B2 (en)	2011-12-12	2015-07-01	新日鐵住金株式会社	Hot stamping molded body excellent in balance between strength and toughness, manufacturing method thereof, and manufacturing method of steel sheet for hot stamping molded body
JP5835622B2 (en) *	2012-07-06	2015-12-24	新日鐵住金株式会社	Hot-pressed steel plate member, manufacturing method thereof, and hot-press steel plate
JP2016003389A (en) *	2014-06-20	2016-01-12	株式会社神戸製鋼所	Steel plate for hot pressing, hot pressing molding using steel plate and production method of hot pressing molding
WO2016016676A1 (en)	2014-07-30	2016-02-04	ArcelorMittal Investigación y Desarrollo, S.L.	Process for manufacturing steel sheets, for press hardening, and parts obtained by means of this process
US10392677B2 (en) *	2014-10-24	2019-08-27	Jfe Steel Corporation	High-strength hot-pressed part and method for manufacturing the same
JP6222198B2 (en)	2015-10-19	2017-11-01	Ｊｆｅスチール株式会社	Hot-pressed member and manufacturing method thereof
CN106399837B (en)	2016-07-08	2018-03-13	东北大学	Hot press-formed steel, hot press-formed technique and hot press-formed component

2018
- 2018-11-07 MX MX2020004926A patent/MX2020004926A/en unknown
- 2018-11-07 US US16/754,135 patent/US20200332382A1/en not_active Abandoned
- 2018-11-07 CN CN201880072876.3A patent/CN111344425B/en active Active
- 2018-11-07 WO PCT/JP2018/041343 patent/WO2019093376A1/en unknown
- 2018-11-07 EP EP18876175.3A patent/EP3680359B1/en active Active
- 2018-11-07 KR KR1020207013700A patent/KR20200066350A/en not_active IP Right Cessation
- 2018-11-07 JP JP2019512936A patent/JP6569841B1/en active Active

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2007211276A (en) *	2006-02-08	2007-08-23	Sumitomo Metal Ind Ltd	Plated steel sheet for hot pressing, method for manufacturing the same, and method for manufacturing hot press-formed members
JP2014118613A (en) *	2012-12-18	2014-06-30	Nippon Steel & Sumitomo Metal	Hot stamp molded body excellent in strength and hydrogen embrittlement resistance and its manufacturing method
WO2017111456A1 (en) *	2015-12-21	2017-06-29	주식회사 포스코	Vehicle part having high strength and excellent durability, and manufacturing method therefor
EP3395994A1 (en) *	2015-12-21	2018-10-31	Posco	Vehicle part having high strength and excellent durability, and manufacturing method therefor

Also Published As

Publication number	Publication date
EP3680359A1 (en)	2020-07-15
KR20200066350A (en)	2020-06-09
EP3680359B1 (en)	2022-01-05
JPWO2019093376A1 (en)	2019-11-14
US20200332382A1 (en)	2020-10-22
WO2019093376A1 (en)	2019-05-16
JP6569841B1 (en)	2019-09-04
CN111344425A (en)	2020-06-26
CN111344425B (en)	2021-09-21
MX2020004926A (en)	2020-08-27

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