EP4019656A4 - Acier, et procédé de fabrication de celui-ci - Google Patents

Acier, et procédé de fabrication de celui-ci Download PDF

Info

Publication number: EP4019656A4
Authority: EP; European Patent Office
Prior art keywords: steel; manufacturing same; manufacturing; same
Prior art date: 2019-08-21
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.): Pending

Application number

EP20853747.2A

Other languages

German (de)

English (en)

Other versions

EP4019656A1 (fr

Inventor

Daichi Izumi

Koichi Nakashima

Keiji Ueda

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.)

2019-08-21

Filing date

2020-08-18

Publication date

2022-06-29

2020-08-18 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2022-06-29 Publication of EP4019656A1 publication Critical patent/EP4019656A1/fr

2022-06-29 Publication of EP4019656A4 publication Critical patent/EP4019656A4/fr

Status Pending legal-status Critical Current

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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
- 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
- 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
- C21D8/0226—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 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
- 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
- C21D8/0273—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
- C21D9/46—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
- C22C38/001—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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/22—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
- 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/48—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
- C22C38/58—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
- C21D2211/001—Austenite

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)
Heat Treatment Of Steel (AREA)

EP20853747.2A 2019-08-21 2020-08-18 Acier, et procédé de fabrication de celui-ci Pending EP4019656A4 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2019151345		2019-08-21
PCT/JP2020/031165 WO2021033694A1 (fr)	2019-08-21	2020-08-18	Acier, et procédé de fabrication de celui-ci

Publications (2)

Publication Number	Publication Date
EP4019656A1 EP4019656A1 (fr)	2022-06-29
EP4019656A4 true EP4019656A4 (fr)	2022-06-29

Family

ID=74661107

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20853747.2A Pending EP4019656A4 (fr)	2019-08-21	2020-08-18	Acier, et procédé de fabrication de celui-ci

Country Status (6)

Country	Link
EP (1)	EP4019656A4 (fr)
JP (1)	JP6947330B2 (fr)
KR (1)	KR102714307B1 (fr)
CN (1)	CN114302977B (fr)
TW (1)	TWI726798B (fr)
WO (1)	WO2021033694A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA3239334A1 (fr) *	2021-12-21	2023-06-29	Soon-Gi Lee	Acier austenitique ayant une excellente tenacite a ultra-basse temperature dans une zone affectee par la chaleur de soudage, et son procede de fabrication
KR20240128034A (ko) *	2021-12-21	2024-08-23	주식회사 포스코	용접 열영향부 초저온 인성이 우수한 오스테나이트계 강재 및 그 제조방법
CA3239332A1 (fr) *	2021-12-21	2023-06-29	Soon-Gi Lee	Acier austenitique ayant une excellente resistance au froid extreme dans une zone thermiquement affectee et son procede de fabrication
CN117210760B (zh) *	2023-10-20	2026-04-10	钢铁研究总院有限公司	一种低碳奥氏体基高韧塑性轻质钢及其制备方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5896853A (ja) *	1981-11-17	1983-06-09	Sumitomo Metal Ind Ltd	耐食性および機械加工性に優れた極低温用高Ｍｎ鋼
JPS58197256A (ja) *	1982-05-12	1983-11-16	Kawasaki Steel Corp	耐候性および耐銹性にすぐれる高靭性高Ｍｎ鋼
JP2016084529A (ja) *	2014-10-22	2016-05-19	新日鐵住金株式会社	高Ｍｎ鋼材及びその製造方法
JP2016196703A (ja) *	2015-04-02	2016-11-24	新日鐵住金株式会社	極低温用高Ｍｎ鋼材
JP2017155300A (ja) *	2016-03-03	2017-09-07	新日鐵住金株式会社	低温用厚鋼板及びその製造方法
WO2018199145A1 (fr) *	2017-04-26	2018-11-01	Ｊｆｅスチール株式会社	ACIER RICHE EN Mn ET SON PROCÉDÉ DE PRODUCTION
WO2019044928A1 (fr) *	2017-09-01	2019-03-07	Ｊｆｅスチール株式会社	Acier riche en mn et son procédé de production
WO2019078538A1 (fr) *	2017-10-18	2019-04-25	주식회사 포스코	Acier à haute teneur en manganèse pour basse température, ayant une excellente qualité de surface, et son procédé de fabrication

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100320959B1 (ko)	1996-12-30	2002-06-20	전선기	극저온충격특성이우수한고망간강및그제조방법
JP5003785B2 (ja) *	2010-03-30	2012-08-15	Ｊｆｅスチール株式会社	延性に優れた高張力鋼板およびその製造方法
JP6589535B2 (ja) *	2015-10-06	2019-10-16	日本製鉄株式会社	低温用厚鋼板及びその製造方法
WO2018104984A1 (fr)	2016-12-08	2018-06-14	Ｊｆｅスチール株式会社	TÔLE D'ACIER À TENEUR ÉLEVÉE EN Mn ET SON PROCÉDÉ DE PRODUCTION
JP6760055B2 (ja)	2016-12-28	2020-09-23	日本製鉄株式会社	液体水素用Ｎｉ鋼
EP3722448B1 (fr) *	2017-12-07	2024-03-06	JFE Steel Corporation	Acier riche en mn, et procédé de fabrication de celui-ci

2020
- 2020-08-18 KR KR1020227004123A patent/KR102714307B1/ko active Active
- 2020-08-18 JP JP2021510241A patent/JP6947330B2/ja active Active
- 2020-08-18 WO PCT/JP2020/031165 patent/WO2021033694A1/fr not_active Ceased
- 2020-08-18 CN CN202080058683.XA patent/CN114302977B/zh active Active
- 2020-08-18 EP EP20853747.2A patent/EP4019656A4/fr active Pending
- 2020-08-20 TW TW109128432A patent/TWI726798B/zh active

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5896853A (ja) *	1981-11-17	1983-06-09	Sumitomo Metal Ind Ltd	耐食性および機械加工性に優れた極低温用高Ｍｎ鋼
JPS58197256A (ja) *	1982-05-12	1983-11-16	Kawasaki Steel Corp	耐候性および耐銹性にすぐれる高靭性高Ｍｎ鋼
JP2016084529A (ja) *	2014-10-22	2016-05-19	新日鐵住金株式会社	高Ｍｎ鋼材及びその製造方法
JP2016196703A (ja) *	2015-04-02	2016-11-24	新日鐵住金株式会社	極低温用高Ｍｎ鋼材
JP2017155300A (ja) *	2016-03-03	2017-09-07	新日鐵住金株式会社	低温用厚鋼板及びその製造方法
WO2018199145A1 (fr) *	2017-04-26	2018-11-01	Ｊｆｅスチール株式会社	ACIER RICHE EN Mn ET SON PROCÉDÉ DE PRODUCTION
WO2019044928A1 (fr) *	2017-09-01	2019-03-07	Ｊｆｅスチール株式会社	Acier riche en mn et son procédé de production
WO2019078538A1 (fr) *	2017-10-18	2019-04-25	주식회사 포스코	Acier à haute teneur en manganèse pour basse température, ayant une excellente qualité de surface, et son procédé de fabrication

Also Published As

Publication number	Publication date
TWI726798B (zh)	2021-05-01
KR20220030292A (ko)	2022-03-10
WO2021033694A1 (fr)	2021-02-25
TW202113100A (zh)	2021-04-01
CN114302977A (zh)	2022-04-08
JPWO2021033694A1 (ja)	2021-09-13
EP4019656A1 (fr)	2022-06-29
KR102714307B1 (ko)	2024-10-07
CN114302977B (zh)	2022-12-06
JP6947330B2 (ja)	2021-10-13

Legal Events

Date	Code	Title	Description
2021-02-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-05-27	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
2022-05-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-06-29	17P	Request for examination filed	Effective date: 20220315
2022-06-29	A4	Supplementary search report drawn up and despatched	Effective date: 20220421
2022-06-29	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
2022-11-30	DAV	Request for validation of the european patent (deleted)
2022-11-30	DAX	Request for extension of the european patent (deleted)
2023-08-29	TPAC	Observations filed by third parties	Free format text: ORIGINAL CODE: EPIDOSNTIPA

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