EP3848477A4 - HIGH CARBON COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF, AND HIGH CARBON STEEL MECHANICAL PARTS - Google Patents

HIGH CARBON COLD ROLLED STEEL SHEET AND METHOD FOR PRODUCTION THEREOF, AND HIGH CARBON STEEL MECHANICAL PARTS Download PDF

Info

Publication number: EP3848477A4
Authority: EP; European Patent Office
Prior art keywords: high carbon; production; cold rolled; mechanical parts; steel sheet
Prior art date: 2019-11-08
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

EP19817932.7A

Other languages

German (de)

French (fr)

Other versions

EP3848477A1 (en

EP3848477B1 (en

Inventor

Eiji Tsuchiya

Yuta Matsumura

Hiroki Ota

Yuka Miyamoto

Yasuhiro Sakurai

Hideyuki Kimura

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

TOKUSHU KINZOKU EXCEL CO Ltd

Original Assignee

JFE Steel Corp

TOKUSHU KINZOKU EXCEL 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.)

2019-11-08

Filing date

2019-11-08

Publication date

2022-05-25

2019-11-08 Application filed by JFE Steel Corp, TOKUSHU KINZOKU EXCEL CO Ltd filed Critical JFE Steel Corp

2021-07-14 Publication of EP3848477A1 publication Critical patent/EP3848477A1/en

2022-05-25 Publication of EP3848477A4 publication Critical patent/EP3848477A4/en

2025-09-17 Application granted granted Critical

2025-09-17 Publication of EP3848477B1 publication Critical patent/EP3848477B1/en

Status Active legal-status Critical Current

2039-11-08 Anticipated expiration legal-status Critical

Links

Classifications

- 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
- 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
- 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
- C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
- 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
- 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
- C21D1/32—Soft annealing, e.g. spheroidising
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/58—Oils
- 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
- C21D8/0236—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
- C21D8/0268—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
- C21D8/0247—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
- C21D8/0273—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
- C21D9/26—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for needles; for teeth for card-clothing
- 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
- C22C38/04—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C21D2211/004—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
- 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
- C21D2261/00—Machining or cutting being involved

Landscapes

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

EP19817932.7A 2019-11-08 2019-11-08 High-carbon cold-rolled steel sheet and production method therefor, and mechanical parts made of high-carbon steel Active EP3848477B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2019/043828 WO2021090472A1 (en)	2019-11-08	2019-11-08	High-carbon cold-rolled steel sheet and production method therefor, and mechanical parts made of high-carbon steel

Publications (3)

Publication Number	Publication Date
EP3848477A1 EP3848477A1 (en)	2021-07-14
EP3848477A4 true EP3848477A4 (en)	2022-05-25
EP3848477B1 EP3848477B1 (en)	2025-09-17

Family

ID=75849823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19817932.7A Active EP3848477B1 (en)	2019-11-08	2019-11-08	High-carbon cold-rolled steel sheet and production method therefor, and mechanical parts made of high-carbon steel

Country Status (6)

Country	Link
EP (1)	EP3848477B1 (en)
JP (1)	JP6880245B1 (en)
KR (1)	KR102329386B1 (en)
CN (1)	CN113099723B (en)
TW (1)	TWI734291B (en)
WO (1)	WO2021090472A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
CN114055082B (en) *	2021-11-15	2024-02-06	江苏九天光电科技有限公司	Production method of high-grade special steel precision steel strip for crochet hook
CN114855076B (en) *	2022-04-15	2023-03-17	首钢集团有限公司	High-spheroidization-rate high-carbon steel and preparation method thereof
CN114850436B (en) *	2022-05-06	2023-05-09	上海交通大学	Carbide refinement method for high-carbon high-alloy steel
CN114774795A (en) *	2022-05-09	2022-07-22	湖南华菱涟钢特种新材料有限公司	Ultrahigh carbon tool steel hot-rolled steel plate and production method thereof
EP4642944A1 (en) *	2022-12-30	2025-11-05	Hilti Aktiengesellschaft	Steel alloy, article of manufacture and method
EP4435132A1 (en) *	2023-03-22	2024-09-25	Hilti Aktiengesellschaft	Steel alloy, article of manufacture and method
JP7748078B1 (en) *	2023-11-06	2025-10-02	Ｊｆｅスチール株式会社	Steel parts and their manufacturing method

Citations (3)

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Publication number	Priority date	Publication date	Assignee	Title
CN1772939A (en) *	2005-11-17	2006-05-17	上海隆兴特钢有限公司	High purity steel belt for textile needle and its production process
EP3216889A1 (en) *	2015-08-14	2017-09-13	Tokushu Kinzoku Excel Co., Ltd.	High-carbon cold-rolled steel sheet and method for manufacturing same
US20180202022A1 (en) *	2015-07-16	2018-07-19	Nisshin Steel Co., Ltd.	Steel sheet for textile machinery parts and method for manufacturing the same

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JP4492105B2 (en) *	2003-11-28	2010-06-30	Ｊｆｅスチール株式会社	Manufacturing method of high-strength cold-rolled steel sheet with excellent stretch flangeability
JP4530268B2 (en)	2004-08-26	2010-08-25	日新製鋼株式会社	High carbon steel member with excellent impact characteristics and method for producing the same
JP5030280B2 (en)	2007-07-20	2012-09-19	日新製鋼株式会社	High carbon steel sheet with excellent hardenability, fatigue characteristics, and toughness and method for producing the same
KR101128942B1 (en) *	2008-12-24	2012-03-27	주식회사 포스코	Fine spheroidal graphite steel sheet with excellent heat treatmentability and manufacturing method thereof
KR101356773B1 (en) *	2010-09-16	2014-01-28	주식회사 포스코	High carbon hot-cold rolled steel coil and manufactureing method thereof
PL2762582T3 (en) *	2011-09-30	2019-08-30	Nippon Steel & Sumitomo Metal Corporation	High-strength galvannealed steel sheet of high bake hardenability, high-strength alloyed galvannealed steel sheet, and method for manufacturing same
CN103290308B (en) *	2012-02-27	2017-04-12	株式会社神户制钢所	High-strength cold-rolled steel plate and manufacturing method thereof
EP3015561B1 (en) *	2013-06-27	2018-06-13	Nisshin Steel Co., Ltd.	Abrasion-resistant steel material excellent in fatigue characteristics and method for manufacturing same
US10407748B2 (en) *	2013-11-22	2019-09-10	Nippon Steel Corporation	High-carbon steel sheet and method of manufacturing the same
JP6615039B2 (en)	2016-04-13	2019-12-04	日鉄日新製鋼株式会社	Wear-resistant steel plate with excellent toughness
CN110306027A (en) *	2019-07-02	2019-10-08	浙江豪环新材料有限公司	A kind of T8 carbon steel cold-rolling production process

2019
- 2019-11-08 EP EP19817932.7A patent/EP3848477B1/en active Active
- 2019-11-08 KR KR1020197036612A patent/KR102329386B1/en active Active
- 2019-11-08 CN CN201980003091.5A patent/CN113099723B/en active Active
- 2019-11-08 WO PCT/JP2019/043828 patent/WO2021090472A1/en not_active Ceased
- 2019-11-08 JP JP2019567743A patent/JP6880245B1/en active Active
- 2019-12-06 TW TW108144683A patent/TWI734291B/en active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1772939A (en) *	2005-11-17	2006-05-17	上海隆兴特钢有限公司	High purity steel belt for textile needle and its production process
US20180202022A1 (en) *	2015-07-16	2018-07-19	Nisshin Steel Co., Ltd.	Steel sheet for textile machinery parts and method for manufacturing the same
EP3216889A1 (en) *	2015-08-14	2017-09-13	Tokushu Kinzoku Excel Co., Ltd.	High-carbon cold-rolled steel sheet and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021090472A1 *

Also Published As

Publication number	Publication date
TWI734291B (en)	2021-07-21
WO2021090472A1 (en)	2021-05-14
KR102329386B1 (en)	2021-11-19
TW202118881A (en)	2021-05-16
EP3848477A1 (en)	2021-07-14
JP6880245B1 (en)	2021-06-02
JPWO2021090472A1 (en)	2021-11-25
CN113099723B (en)	2023-02-17
CN113099723A (en)	2021-07-09
KR20210056880A (en)	2021-05-20
EP3848477B1 (en)	2025-09-17

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