EP3848477A4 - Tôle d'acier laminée à froid à haute teneur en carbone et son procédé de production, et pièces mécaniques en acier à haute teneur en carbone - Google Patents

Tôle d'acier laminée à froid à haute teneur en carbone et son procédé de production, et pièces mécaniques en acier à haute teneur en carbone 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)

English (en)

Other versions

EP3848477A1 (fr

EP3848477B1 (fr

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/fr

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

2025-09-17 Application granted granted Critical

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

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 Tôle d'acier laminée à froid à haute teneur en carbone et son procédé de production, et pièces mécaniques en acier à haute teneur en carbone Active EP3848477B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/JP2019/043828 WO2021090472A1 (fr)	2019-11-08	2019-11-08	Tôle d'acier laminée à froid à haute teneur en carbone et son procédé de production, et pièces mécaniques en acier à haute teneur en carbone

Publications (3)

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

Family

ID=75849823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19817932.7A Active EP3848477B1 (fr)	2019-11-08	2019-11-08	Tôle d'acier laminée à froid à haute teneur en carbone et son procédé de production, et pièces mécaniques en acier à haute teneur en carbone

Country Status (6)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117413081A (zh) *	2021-06-18	2024-01-16	杰富意钢铁株式会社	钢制部件和钢制部件的制造方法
WO2022264947A1 (fr) *	2021-06-18	2022-12-22	Ｊｆｅスチール株式会社	Tôle d'acier laminée à froid, composants en acier, procédé de production de tôle d'acier laminée à froid et procédé de production de composants en acier
CN114055082B (zh) *	2021-11-15	2024-02-06	江苏九天光电科技有限公司	一种钩针用优特钢精密钢带的生产方法
CN114855076B (zh) *	2022-04-15	2023-03-17	首钢集团有限公司	一种高球化率高碳钢及其制备方法
CN114850436B (zh) *	2022-05-06	2023-05-09	上海交通大学	一种高碳高合金钢的碳化物细化方法
CN114774795A (zh) *	2022-05-09	2022-07-22	湖南华菱涟钢特种新材料有限公司	一种超高碳素工具钢热轧钢板及其生产方法
EP4435132A1 (fr) *	2023-03-22	2024-09-25	Hilti Aktiengesellschaft	Alliage d'acier, article de fabrication et procédé
WO2024141228A1 (fr) *	2022-12-30	2024-07-04	Hilti Aktiengesellschaft	Alliage d'acier, article manufacturé et procédé
WO2025100150A1 (fr) *	2023-11-06	2025-05-15	Ｊｆｅスチール株式会社	Composant en acier et son procédé de fabrication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1772939A (zh) *	2005-11-17	2006-05-17	上海隆兴特钢有限公司	高纯净钢纺织针用钢带及其生产方法
EP3216889A1 (fr) *	2015-08-14	2017-09-13	Tokushu Kinzoku Excel Co., Ltd.	Tôle d'acier à haute teneur en carbone laminée à froid et son procédé de fabrication
US20180202022A1 (en) *	2015-07-16	2018-07-19	Nisshin Steel Co., Ltd.	Steel sheet for textile machinery parts and method for manufacturing the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4492105B2 (ja) *	2003-11-28	2010-06-30	Ｊｆｅスチール株式会社	伸びフランジ性に優れた高強度冷延鋼板の製造方法
JP4530268B2 (ja)	2004-08-26	2010-08-25	日新製鋼株式会社	衝撃特性に優れた高炭素鋼部材及びその製造方法
JP5030280B2 (ja)	2007-07-20	2012-09-19	日新製鋼株式会社	焼入れ性、疲労特性、靭性に優れた高炭素鋼板及びその製造方法
KR101128942B1 (ko) *	2008-12-24	2012-03-27	주식회사 포스코	열처리 특성이 우수한 미세구상화 강판 및 그 제조방법
KR101356773B1 (ko) *	2010-09-16	2014-01-28	주식회사 포스코	고탄소 열연강판, 냉연강판 및 그 제조방법
ES2725803T3 (es) *	2011-09-30	2019-09-27	Nippon Steel Corp	Lámina de acero galvanizado y recocido de alta resistencia, de alta capacidad de temple por cocción, lámina de acero galvanizado y recocido, aleada de alta resistencia, y procedimiento para fabricar la misma
CN103290308B (zh) *	2012-02-27	2017-04-12	株式会社神户制钢所	高强度冷轧钢板及其制造方法
KR101781792B1 (ko) *	2013-06-27	2017-09-26	닛신 세이코 가부시키가이샤	피로 특성이 우수한 내마모성 강재 및 그 제조 방법
US10407748B2 (en) *	2013-11-22	2019-09-10	Nippon Steel Corporation	High-carbon steel sheet and method of manufacturing the same
JP6615039B2 (ja)	2016-04-13	2019-12-04	日鉄日新製鋼株式会社	靭性に優れる耐摩耗性鋼板
CN110306027A (zh) *	2019-07-02	2019-10-08	浙江豪环新材料有限公司	一种t8碳素钢冷轧生产工艺

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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1772939A (zh) *	2005-11-17	2006-05-17	上海隆兴特钢有限公司	高纯净钢纺织针用钢带及其生产方法
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 (fr) *	2015-08-14	2017-09-13	Tokushu Kinzoku Excel Co., Ltd.	Tôle d'acier à haute teneur en carbone laminée à froid et son procédé de fabrication

Non-Patent Citations (1)

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

Also Published As

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

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