EP3674432A4 - WEAR-RESISTANT STEEL SHEET WITH EXCELLENT TOUGHNESS - Google Patents

WEAR-RESISTANT STEEL SHEET WITH EXCELLENT TOUGHNESS Download PDF

Info

Publication number: EP3674432A4
Authority: EP; European Patent Office
Prior art keywords: wear; steel sheet; resistant steel; excellent toughness; toughness
Prior art date: 2017-08-25
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP17922610.5A

Other languages

German (de)

French (fr)

Other versions

EP3674432A1 (en

Inventor

Dai Miyawaki

Masaru Fujihara

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.)

Nippon Steel Corp

Original Assignee

Nippon 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.)

2017-08-25

Filing date

2017-08-25

Publication date

2020-12-16

2017-08-25 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2020-07-01 Publication of EP3674432A1 publication Critical patent/EP3674432A1/en

2020-12-16 Publication of EP3674432A4 publication Critical patent/EP3674432A4/en

Status Withdrawn legal-status Critical Current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
- 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
- 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
- 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
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
- 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
- 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
- C21D8/0268—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 between cold rolling steps
- 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
- C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
- C21D8/0421—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
- C21D8/0426—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
- C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
- C21D8/0421—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the working steps
- C21D8/0436—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
- C21D8/04—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 to produce plates or strips for drawing, e.g. for deep-drawing
- C21D8/0447—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 to produce plates or strips for drawing, e.g. for deep-drawing characterised by the heat treatment
- C21D8/0473—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
- C22C38/02—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
- C22C38/12—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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- 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
- C21D2211/006—Graphite

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)
Health & Medical Sciences (AREA)
Child & Adolescent Psychology (AREA)
Heat Treatment Of Sheet Steel (AREA)
Heat Treatment Of Steel (AREA)

EP17922610.5A 2017-08-25 2017-08-25 WEAR-RESISTANT STEEL SHEET WITH EXCELLENT TOUGHNESS Withdrawn EP3674432A4 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2017/030614 WO2019038923A1 (en)	2017-08-25	2017-08-25	Wear-resistant steel sheet having excellent toughness

Publications (2)

Publication Number	Publication Date
EP3674432A1 EP3674432A1 (en)	2020-07-01
EP3674432A4 true EP3674432A4 (en)	2020-12-16

Family

ID=65438607

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17922610.5A Withdrawn EP3674432A4 (en)	2017-08-25	2017-08-25	WEAR-RESISTANT STEEL SHEET WITH EXCELLENT TOUGHNESS

Country Status (5)

Country	Link
US (1)	US20200199702A1 (en)
EP (1)	EP3674432A4 (en)
KR (1)	KR20200044879A (en)
CN (1)	CN111373064A (en)
WO (1)	WO2019038923A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2021140901A1 (en) *	2020-01-08	2021-07-15	日本製鉄株式会社	Steel sheet and method for manufacturing same
JP7472992B2 (en) *	2021-03-31	2024-04-23	Ｊｆｅスチール株式会社	Cold-rolled steel sheet and method for producing the same
CN117413081A (en) *	2021-06-18	2024-01-16	杰富意钢铁株式会社	Steel components and methods of manufacturing steel components
CN117396624B (en) *	2021-06-18	2026-03-10	杰富意钢铁株式会社	Cold-rolled steel sheet, steel member, method for producing cold-rolled steel sheet, and method for producing steel member
CN114737131B (en) *	2022-03-30	2023-05-16	鞍钢股份有限公司	Production method of extremely-thin, extremely-wide, high-strength and wear-resistant hot continuous rolled steel plate

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2011012316A (en) *	2009-07-02	2011-01-20	Nippon Steel Corp	Soft high-carbon steel sheet superior in punchability and method for manufacturing the same
JP2015190037A (en) *	2014-03-28	2015-11-02	日新製鋼株式会社	Steel plates for chainsaw parts and chainsaw parts
JP2015190036A (en) *	2014-03-28	2015-11-02	日新製鋼株式会社	Steel sheet for fiber machine component and manufacturing method therefor
JP2016222990A (en) *	2015-06-02	2016-12-28	新日鐵住金株式会社	High carbon steel sheet and production method therefor
JP2017190494A (en) *	2016-04-13	2017-10-19	日新製鋼株式会社	Wear resistant steel sheet excellent in toughness
EP3323904A1 (en) *	2015-07-16	2018-05-23	Nisshin Steel Co., Ltd.	Steel sheet for textile machinery part and manufacturing method therefor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6082647A (en)	1983-10-12	1985-05-10	Kawasaki Steel Corp	Clad steel plate for disc saw
JP3756272B2 (en)	1996-11-13	2006-03-15	Ｊｆｅ条鋼株式会社	Manufacturing method of hot forged parts with excellent wear resistance
JP4159009B2 (en) *	1999-08-20	2008-10-01	日新製鋼株式会社	Steel sheet for punched parts with excellent fatigue characteristics
JP3992500B2 (en)	2002-01-07	2007-10-17	株式会社神戸製鋼所	Non-tempered steel for hot working with excellent wear resistance and hot-worked products
JP5197076B2 (en) *	2008-03-11	2013-05-15	日新製鋼株式会社	Medium and high carbon steel sheet with excellent workability and manufacturing method thereof
JP5328331B2 (en)	2008-12-11	2013-10-30	日新製鋼株式会社	Steel materials for wear-resistant quenched and tempered parts and manufacturing method
JP5482342B2 (en)	2010-03-18	2014-05-07	新日鐵住金株式会社	Hot rolled steel for direct cutting and method for producing the same
JP6080370B2 (en) *	2011-03-25	2017-02-15	日新製鋼株式会社	Steel plate for strip-shaped punching blades with excellent durability and strip-shaped punching blades
AU2012233197B8 (en) *	2011-03-29	2015-07-30	Jfe Steel Corporation	Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the same
JP5854831B2 (en)	2011-12-28	2016-02-09	日新製鋼株式会社	Abrasion resistant steel material having excellent fatigue characteristics and method for producing the same
CN103173685B (en) *	2013-01-07	2015-06-03	宝钢集团新疆八一钢铁有限公司	Production method of high-strength saw bit steel coil
JP6017341B2 (en) *	2013-02-19	2016-10-26	株式会社神戸製鋼所	High strength cold-rolled steel sheet with excellent bendability

2017
- 2017-08-25 US US16/634,671 patent/US20200199702A1/en not_active Abandoned
- 2017-08-25 EP EP17922610.5A patent/EP3674432A4/en not_active Withdrawn
- 2017-08-25 WO PCT/JP2017/030614 patent/WO2019038923A1/en not_active Ceased
- 2017-08-25 KR KR1020207008415A patent/KR20200044879A/en not_active Withdrawn
- 2017-08-25 CN CN201780094374.6A patent/CN111373064A/en active Pending

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2011012316A (en) *	2009-07-02	2011-01-20	Nippon Steel Corp	Soft high-carbon steel sheet superior in punchability and method for manufacturing the same
JP2015190037A (en) *	2014-03-28	2015-11-02	日新製鋼株式会社	Steel plates for chainsaw parts and chainsaw parts
JP2015190036A (en) *	2014-03-28	2015-11-02	日新製鋼株式会社	Steel sheet for fiber machine component and manufacturing method therefor
JP2016222990A (en) *	2015-06-02	2016-12-28	新日鐵住金株式会社	High carbon steel sheet and production method therefor
EP3323904A1 (en) *	2015-07-16	2018-05-23	Nisshin Steel Co., Ltd.	Steel sheet for textile machinery part and manufacturing method therefor
JP2017190494A (en) *	2016-04-13	2017-10-19	日新製鋼株式会社	Wear resistant steel sheet excellent in toughness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019038923A1 *

Also Published As

Publication number	Publication date
WO2019038923A1 (en)	2019-02-28
CN111373064A (en)	2020-07-03
US20200199702A1 (en)	2020-06-25
KR20200044879A (en)	2020-04-29
EP3674432A1 (en)	2020-07-01

Legal Events

Date	Code	Title	Description
2019-03-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-05-29	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2020-05-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-07-01	17P	Request for examination filed	Effective date: 20200207
2020-07-01	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2020-07-01	AX	Request for extension of the european patent	Extension state: BA ME
2020-12-02	DAV	Request for validation of the european patent (deleted)
2020-12-02	DAX	Request for extension of the european patent (deleted)
2020-12-16	A4	Supplementary search report drawn up and despatched	Effective date: 20201113
2020-12-16	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NIPPON STEEL CORPORATION
2020-12-16	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/04 20060101ALI20201109BHEP Ipc: C21D 9/46 20060101ALI20201109BHEP Ipc: C22C 38/50 20060101ALI20201109BHEP Ipc: C22C 38/00 20060101AFI20201109BHEP
2021-05-21	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2021-06-23	18W	Application withdrawn	Effective date: 20210514

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