EP3339464C0 - Procédé de fabrication d'une tôle d'acier à dureté élevée - Google Patents

Procédé de fabrication d'une tôle d'acier à dureté élevée

Info

Publication number: EP3339464C0
Authority: EP; European Patent Office
Prior art keywords: producing; steel sheet; high strength; strength steel; sheet
Prior art date: 2015-08-21
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.): Active

Application number

EP16839505.1A

Other languages

German (de)

English (en)

Other versions

EP3339464B1 (fr

EP3339464A4 (fr

EP3339464A1 (fr

Inventor

Young-Roc Im

Jun-Sang Jang

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.)

2015-08-21

Filing date

2016-08-18

Publication date

2024-07-03

2016-08-18 Application filed by Posco Co Ltd filed Critical Posco Co Ltd

2016-08-18 Priority to EP24150998.3A priority Critical patent/EP4324954A3/fr

2018-06-27 Publication of EP3339464A1 publication Critical patent/EP3339464A1/fr

2018-08-08 Publication of EP3339464A4 publication Critical patent/EP3339464A4/fr

2024-07-03 Application granted granted Critical

2024-07-03 Publication of EP3339464B1 publication Critical patent/EP3339464B1/fr

2024-07-03 Publication of EP3339464C0 publication Critical patent/EP3339464C0/fr

Status Active legal-status Critical Current

2036-08-18 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
- 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
- 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
- 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
- C21D8/0247—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
- C22C38/02—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
- C22C38/06—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
- C22C38/18—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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—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
- 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
- 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

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)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Sheet Steel (AREA)

EP16839505.1A 2015-08-21 2016-08-18 Procédé de fabrication d'une tôle d'acier à dureté élevée Active EP3339464B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP24150998.3A EP4324954A3 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
KR1020150117985A KR101696094B1 (ko)	2015-08-21	2015-08-21	고 경도 강판 및 그 제조방법
PCT/KR2016/009079 WO2017034216A1 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication

Related Child Applications (2)

Application Number	Title	Priority Date	Filing Date
EP24150998.3A Division-Into EP4324954A3 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication
EP24150998.3A Division EP4324954A3 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication

Publications (4)

Publication Number	Publication Date
EP3339464A1 EP3339464A1 (fr)	2018-06-27
EP3339464A4 EP3339464A4 (fr)	2018-08-08
EP3339464B1 EP3339464B1 (fr)	2024-07-03
EP3339464C0 true EP3339464C0 (fr)	2024-07-03

Family

ID=57835400

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP24150998.3A Pending EP4324954A3 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication
EP16839505.1A Active EP3339464B1 (fr)	2015-08-21	2016-08-18	Procédé de fabrication d'une tôle d'acier à dureté élevée

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP24150998.3A Pending EP4324954A3 (fr)	2015-08-21	2016-08-18	Tôle d'acier à dureté élevée et son procédé de fabrication

Country Status (7)

Country	Link
US (1)	US20180237875A1 (fr)
EP (2)	EP4324954A3 (fr)
JP (1)	JP6843119B2 (fr)
KR (1)	KR101696094B1 (fr)
CN (1)	CN107923023B (fr)
ES (1)	ES2986049T3 (fr)
WO (1)	WO2017034216A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR102031443B1 (ko)	2017-12-22	2019-11-08	주식회사 포스코	우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
KR102031446B1 (ko) *	2017-12-22	2019-11-08	주식회사 포스코	우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
KR102045646B1 (ko) *	2017-12-26	2019-11-15	주식회사 포스코	재질 균일성이 우수한 내마모 강판 및 그 제조방법
KR102175570B1 (ko) *	2018-09-27	2020-11-06	주식회사 포스코	우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법
JP7163887B2 (ja) *	2019-08-21	2022-11-01	Ｊｆｅスチール株式会社	耐疲労特性に優れた耐摩耗鋼材
JP7163889B2 (ja) *	2019-08-21	2022-11-01	Ｊｆｅスチール株式会社	耐疲労特性に優れた耐摩耗鋼材の製造方法
DE102019215055A1 (de) *	2019-09-30	2021-04-01	Thyssenkrupp Steel Europe Ag	Verfahren zur Herstellung eines Stahlproduktes sowie ein entsprechendes Stahlprodukt
KR102867468B1 (ko)	2020-12-18	2025-10-14	주식회사 포스코	열간 프레스 성형용 도금강판 및 이의 성형품의 제조 방법
CN113215488B (zh) *	2021-05-07	2022-06-17	马鞍山钢铁股份有限公司	一种免热处理nm360耐磨钢板及其制造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3425837B2 (ja) *	1996-03-28	2003-07-14	株式会社神戸製鋼所	耐孔明き腐食性および圧壊特性に優れた高強度熱延鋼板、および高強度亜鉛系めっき鋼板並びにそれらの製造方法
EP0903413B1 (fr) *	1997-09-22	2004-04-14	National Research Institute For Metals	Acier de construction ferritique à grains fins, et procédé de fabrication de cet acier
JP3736320B2 (ja) *	2000-09-11	2006-01-18	Ｊｆｅスチール株式会社	靭性および耐遅れ破壊性に優れた耐摩耗鋼材ならびにその製造方法
EP1741798A1 (fr) *	2004-04-28	2007-01-10	JFE Steel Corporation	Éléments pour construction de machine et procédé de production de ceux-ci
JP4374350B2 (ja) *	2006-04-11	2009-12-02	新日本製鐵株式会社	溶接性、加工性および耐高速衝突貫通性能に優れる高硬度熱延鋼板およびその製造方法
WO2011061812A1 (fr) *	2009-11-17	2011-05-26	住友金属工業株式会社	Acier haute ténacité résistant à l'abrasion et son procédé de fabrication
KR101271888B1 (ko) *	2010-12-23	2013-06-05	주식회사 포스코	저온인성이 우수한 극후물 내마모용 후강판 및 그 제조방법
BR112013025002B1 (pt) *	2011-03-29	2023-09-26	Jfe Steel Corporation	Chapa grossa de aço resistente à abrasão e método para produção da mesma
CN102517509A (zh) *	2012-01-06	2012-06-27	江苏省沙钢钢铁研究院有限公司	Hb500级耐磨钢板及其制备方法
JP5966730B2 (ja) *	2012-07-30	2016-08-10	Ｊｆｅスチール株式会社	耐衝撃摩耗特性に優れた耐摩耗鋼板およびその製造方法
US20150232971A1 (en) *	2012-09-19	2015-08-20	Jfe Steel Corporation	Abrasion resistant steel plate having excellent low-temperature toughness and excellent corrosive wear resistance
CN103146997B (zh) *	2013-03-28	2015-08-26	宝山钢铁股份有限公司	一种低合金高韧性耐磨钢板及其制造方法

2015
- 2015-08-21 KR KR1020150117985A patent/KR101696094B1/ko active Active
2016
- 2016-08-18 JP JP2018509544A patent/JP6843119B2/ja active Active
- 2016-08-18 US US15/751,591 patent/US20180237875A1/en not_active Abandoned
- 2016-08-18 ES ES16839505T patent/ES2986049T3/es active Active
- 2016-08-18 EP EP24150998.3A patent/EP4324954A3/fr active Pending
- 2016-08-18 WO PCT/KR2016/009079 patent/WO2017034216A1/fr not_active Ceased
- 2016-08-18 EP EP16839505.1A patent/EP3339464B1/fr active Active
- 2016-08-18 CN CN201680047778.5A patent/CN107923023B/zh active Active

Also Published As

Publication number	Publication date
JP6843119B2 (ja)	2021-03-17
JP2018528325A (ja)	2018-09-27
EP3339464B1 (fr)	2024-07-03
CN107923023B (zh)	2020-04-24
EP3339464A4 (fr)	2018-08-08
CN107923023A (zh)	2018-04-17
US20180237875A1 (en)	2018-08-23
KR101696094B1 (ko)	2017-01-13
EP3339464A1 (fr)	2018-06-27
EP4324954A2 (fr)	2024-02-21
ES2986049T3 (es)	2024-11-08
WO2017034216A1 (fr)	2017-03-02
EP4324954A3 (fr)	2024-05-22

Legal Events

Date	Code	Title	Description
2017-03-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
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2024-01-24	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/06 20060101ALI20231219BHEP Ipc: C22C 38/02 20060101ALI20231219BHEP Ipc: C21D 1/18 20060101ALI20231219BHEP Ipc: C21D 9/46 20060101ALI20231219BHEP Ipc: C21D 8/02 20060101ALI20231219BHEP Ipc: C22C 38/44 20060101ALI20231219BHEP Ipc: C22C 38/46 20060101ALI20231219BHEP Ipc: C22C 38/48 20060101ALI20231219BHEP Ipc: C22C 38/50 20060101ALI20231219BHEP Ipc: C22C 38/54 20060101ALI20231219BHEP Ipc: C22C 38/58 20060101AFI20231219BHEP
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