EP3722448A4 - High-mn steel and method for manufacturing same - Google Patents

High-mn steel and method for manufacturing same Download PDF

Info

Publication number: EP3722448A4
Authority: EP; European Patent Office
Prior art keywords: steel; manufacturing same; manufacturing; same
Prior art date: 2017-12-07
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

EP18886695.8A

Other languages

German (de)

French (fr)

Other versions

EP3722448B1 (en

EP3722448A1 (en

Inventor

Koichi Nakashima

Keiji Ueda

Shigeki Kitsuya

Ryo Arao

Daichi IZUMI

Satoshi Igi

Tomohiro Ono

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.)

2017-12-07

Filing date

2018-12-06

Publication date

2020-10-14

2018-12-06 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2020-10-14 Publication of EP3722448A1 publication Critical patent/EP3722448A1/en

2020-10-14 Publication of EP3722448A4 publication Critical patent/EP3722448A4/en

2024-03-06 Application granted granted Critical

2024-03-06 Publication of EP3722448B1 publication Critical patent/EP3722448B1/en

Status Active legal-status Critical Current

2038-12-06 Anticipated expiration legal-status Critical

Links

229910000831 Steel Inorganic materials 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
239000010959 steel Substances 0.000 title 1

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
- 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
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- 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
- C22C38/04—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
- C22C38/06—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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—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
- C22C38/58—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)
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)

EP18886695.8A 2017-12-07 2018-12-06 High-mn steel and method for manufacturing same Active EP3722448B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2017235188		2017-12-07
PCT/JP2018/044941 WO2019112012A1 (en)	2017-12-07	2018-12-06	High-mn steel and method for manufacturing same

Publications (3)

Publication Number	Publication Date
EP3722448A1 EP3722448A1 (en)	2020-10-14
EP3722448A4 true EP3722448A4 (en)	2020-10-14
EP3722448B1 EP3722448B1 (en)	2024-03-06

Family

ID=66750519

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18886695.8A Active EP3722448B1 (en)	2017-12-07	2018-12-06	High-mn steel and method for manufacturing same

Country Status (10)

Country	Link
US (1)	US20210164067A1 (en)
EP (1)	EP3722448B1 (en)
JP (1)	JP6590117B1 (en)
KR (1)	KR102405388B1 (en)
CN (1)	CN111433381B (en)
BR (1)	BR112020011210B1 (en)
MY (1)	MY192536A (en)
PH (1)	PH12020550830A1 (en)
SG (1)	SG11202005101PA (en)
WO (1)	WO2019112012A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4019657A4 (en) *	2019-08-21	2022-06-29	JFE Steel Corporation	Steel, and method for producing same
WO2021033694A1 (en) *	2019-08-21	2021-02-25	Ｊｆｅスチール株式会社	Steel and method for manufacturing same
CN110983194B (en) *	2019-12-25	2020-09-22	燕山大学	Super-toughness steel material and manufacturing method thereof
CN115261743A (en) *	2022-06-22	2022-11-01	河钢股份有限公司	Low-cost high-manganese steel plate and production method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56258A (en) *	1979-06-12	1981-01-06	Sumitomo Metal Ind Ltd	No-nickel high-manganese-content steel for low temperature
JPH0215148A (en) *	1988-07-02	1990-01-18	Sumitomo Metal Ind Ltd	High mn nonmagnetic steel having excellent corrosion resistance
JP2007126715A (en) *	2005-11-04	2007-05-24	Sumitomo Metal Ind Ltd	HIGH-Mn STEEL MATERIAL AND MANUFACTURING METHOD THEREFOR
JP2016084529A (en) *	2014-10-22	2016-05-19	新日鐵住金株式会社	HIGH Mn STEEL MATERIAL AND PRODUCTION METHOD THEREFOR
JP2016196703A (en) *	2015-04-02	2016-11-24	新日鐵住金株式会社	HIGH Mn STEEL MATERIAL FOR CRYOGENIC USE
JP2017155300A (en) *	2016-03-03	2017-09-07	新日鐵住金株式会社	Thick steel sheet for low temperature and manufacturing method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0619110B2 (en) *	1986-05-19	1994-03-16	株式会社神戸製鋼所	Method for producing high Mn austenitic stainless steel for cryogenic use
FR2857980B1 (en) *	2003-07-22	2006-01-13	Usinor	PROCESS FOR MANUFACTURING HIGH-STRENGTH FERRO-CARBON-MANGANESE AUSTENITIC STEEL SHEET, EXCELLENT TENACITY AND COLD SHAPINGABILITY, AND SHEETS THUS PRODUCED
WO2005052205A1 (en) *	2003-11-27	2005-06-09	Sumitomo Metal Industries, Ltd.	High tensile steel excellent in toughness of welded zone and offshore structure
JP4324072B2 (en) *	2004-10-21	2009-09-02	新日本製鐵株式会社	Lightweight high strength steel with excellent ductility and its manufacturing method
JP5003785B2 (en) *	2010-03-30	2012-08-15	Ｊｆｅスチール株式会社	High tensile steel plate with excellent ductility and method for producing the same
CN103667947B (en) *	2013-11-29	2016-03-30	江阴市恒润重工股份有限公司	Without the stainless manufacturing process of nickel Austriaization body
KR101543916B1 (en) *	2013-12-25	2015-08-11	주식회사 포스코	Steels for low temperature services having superior deformed surface quality and method for production thereof
CN107177786B (en) *	2017-05-19	2018-12-21	东北大学	A kind of design and its manufacturing method of the high manganese cut deal of LNG storage tank

2018
- 2018-12-06 MY MYPI2020002748A patent/MY192536A/en unknown
- 2018-12-06 CN CN201880078458.5A patent/CN111433381B/en active Active
- 2018-12-06 SG SG11202005101PA patent/SG11202005101PA/en unknown
- 2018-12-06 EP EP18886695.8A patent/EP3722448B1/en active Active
- 2018-12-06 BR BR112020011210-0A patent/BR112020011210B1/en active IP Right Grant
- 2018-12-06 US US16/768,884 patent/US20210164067A1/en not_active Abandoned
- 2018-12-06 JP JP2019518131A patent/JP6590117B1/en active Active
- 2018-12-06 KR KR1020207018443A patent/KR102405388B1/en active IP Right Grant
- 2018-12-06 WO PCT/JP2018/044941 patent/WO2019112012A1/en unknown
2020
- 2020-06-05 PH PH12020550830A patent/PH12020550830A1/en unknown

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56258A (en) *	1979-06-12	1981-01-06	Sumitomo Metal Ind Ltd	No-nickel high-manganese-content steel for low temperature
JPH0215148A (en) *	1988-07-02	1990-01-18	Sumitomo Metal Ind Ltd	High mn nonmagnetic steel having excellent corrosion resistance
JP2007126715A (en) *	2005-11-04	2007-05-24	Sumitomo Metal Ind Ltd	HIGH-Mn STEEL MATERIAL AND MANUFACTURING METHOD THEREFOR
JP2016084529A (en) *	2014-10-22	2016-05-19	新日鐵住金株式会社	HIGH Mn STEEL MATERIAL AND PRODUCTION METHOD THEREFOR
JP2016196703A (en) *	2015-04-02	2016-11-24	新日鐵住金株式会社	HIGH Mn STEEL MATERIAL FOR CRYOGENIC USE
JP2017155300A (en) *	2016-03-03	2017-09-07	新日鐵住金株式会社	Thick steel sheet for low temperature and manufacturing method therefor

Also Published As

Publication number	Publication date
KR102405388B1 (en)	2022-06-03
KR20200088469A (en)	2020-07-22
SG11202005101PA (en)	2020-06-29
EP3722448B1 (en)	2024-03-06
EP3722448A1 (en)	2020-10-14
CN111433381A (en)	2020-07-17
JPWO2019112012A1 (en)	2019-12-12
CN111433381B (en)	2021-09-03
MY192536A (en)	2022-08-26
US20210164067A1 (en)	2021-06-03
PH12020550830A1 (en)	2021-05-10
BR112020011210B1 (en)	2023-04-25
BR112020011210A2 (en)	2020-11-17
JP6590117B1 (en)	2019-10-16
WO2019112012A1 (en)	2019-06-13

Legal Events

Date	Code	Title	Description
2019-06-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-09-11	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
2020-09-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-10-14	17P	Request for examination filed	Effective date: 20200616
2020-10-14	A4	Supplementary search report drawn up and despatched	Effective date: 20200805
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2020-10-14	AX	Request for extension of the european patent	Extension state: BA ME
2021-03-17	DAV	Request for validation of the european patent (deleted)
2021-03-17	DAX	Request for extension of the european patent (deleted)
2023-11-01	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2023-11-01	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: GRANT OF PATENT IS INTENDED
2023-11-29	INTG	Intention to grant announced	Effective date: 20231102
2023-11-29	RIN1	Information on inventor provided before grant (corrected)	Inventor name: ONO, TOMOHIRO Inventor name: IGI, SATOSHI Inventor name: IZUMI, DAICHI Inventor name: ARAO, RYO Inventor name: KITSUYA, SHIGEKI Inventor name: UEDA, KEIJI Inventor name: NAKASHIMA, KOICHI
2023-12-20	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: JFE STEEL CORPORATION
2024-01-24	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2024-02-02	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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