EP3835445A4 - Steel sheet and method for producing same - Google Patents

Steel sheet and method for producing same Download PDF

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Publication number
EP3835445A4
EP3835445A4 EP18931672.2A EP18931672A EP3835445A4 EP 3835445 A4 EP3835445 A4 EP 3835445A4 EP 18931672 A EP18931672 A EP 18931672A EP 3835445 A4 EP3835445 A4 EP 3835445A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
producing same
producing
same
steel
Prior art date
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
EP18931672.2A
Other languages
German (de)
French (fr)
Other versions
EP3835445A1 (en
Inventor
Shigeki Kitsuya
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.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3835445A1 publication Critical patent/EP3835445A1/en
Publication of EP3835445A4 publication Critical patent/EP3835445A4/en
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
    • C22C38/02—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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D8/0263—Modifying the physical properties 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
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
EP18931672.2A 2018-08-28 2018-08-28 Steel sheet and method for producing same Pending EP3835445A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/031649 WO2020044421A1 (en) 2018-08-28 2018-08-28 Steel sheet and method for producing same

Publications (2)

Publication Number Publication Date
EP3835445A1 EP3835445A1 (en) 2021-06-16
EP3835445A4 true EP3835445A4 (en) 2021-08-18

Family

ID=67766640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18931672.2A Pending EP3835445A4 (en) 2018-08-28 2018-08-28 Steel sheet and method for producing same

Country Status (9)

Country Link
EP (1) EP3835445A4 (en)
JP (1) JP6566166B1 (en)
KR (1) KR102524703B1 (en)
CN (1) CN112513304A (en)
BR (1) BR112021001870A2 (en)
MY (1) MY196194A (en)
PH (1) PH12021550411A1 (en)
SG (1) SG11202101409TA (en)
WO (1) WO2020044421A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160078664A (en) * 2014-12-24 2016-07-05 주식회사 포스코 Low temperature steels having superior surface quality and method for production thereof
US20170349983A1 (en) * 2016-06-06 2017-12-07 Exxonmobil Research And Engineering Company High strength cryogenic high manganese steels and methods of making the same
WO2018105510A1 (en) * 2016-12-08 2018-06-14 Ｊｆｅスチール株式会社 High mn steel sheet and method for producing same

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5681656A (en) * 1979-12-10 1981-07-03 Japan Steel Works Ltd:The Nonmagnetic steel for cryogenic temperature high magnetic field apparatus
JPH0813092A (en) * 1994-06-30 1996-01-16 Nkk Corp High mn nonmagnetic steel excellent in machinability and weldability
JP2005325387A (en) * 2004-05-13 2005-11-24 Kiyohito Ishida Low specific gravity iron alloy
JP6078554B2 (en) 2011-12-27 2017-02-08 ポスコＰｏｓｃｏ Austenitic steel material excellent in cryogenic toughness in machinability and weld heat affected zone and method for producing the same
CN104152797A (en) * 2014-08-14 2014-11-19 燕山大学 Low-temperature plastic high manganese steel plate and processing method thereof
JP6645103B2 (en) 2014-10-22 2020-02-12 日本製鉄株式会社 High Mn steel material and method for producing the same
KR20160084529A (en) 2015-01-05 2016-07-14 (주)대한솔루션 Insulation for fuel filter of vehicle
JP6693217B2 (en) 2015-04-02 2020-05-13 日本製鉄株式会社 High Mn steel for cryogenic temperatures
JP6801236B2 (en) * 2015-06-16 2020-12-16 日本製鉄株式会社 Austenitic stainless steel for low temperature hydrogen and its manufacturing method
JP6520617B2 (en) * 2015-09-30 2019-05-29 日本製鉄株式会社 Austenitic stainless steel
JP6589535B2 (en) * 2015-10-06 2019-10-16 日本製鉄株式会社 Low temperature thick steel plate and method for producing the same
JP6728779B2 (en) * 2016-03-03 2020-07-22 日本製鉄株式会社 Low temperature thick steel plate and method of manufacturing the same
CN106222554A (en) * 2016-08-23 2016-12-14 南京钢铁股份有限公司 A kind of economical steel used at ultra-low temperature and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160078664A (en) * 2014-12-24 2016-07-05 주식회사 포스코 Low temperature steels having superior surface quality and method for production thereof
US20170349983A1 (en) * 2016-06-06 2017-12-07 Exxonmobil Research And Engineering Company High strength cryogenic high manganese steels and methods of making the same
WO2018105510A1 (en) * 2016-12-08 2018-06-14 Ｊｆｅスチール株式会社 High mn steel sheet and method for producing same
EP3553195A1 (en) * 2016-12-08 2019-10-16 JFE Steel Corporation High mn steel sheet and method for producing same

Also Published As

Publication number Publication date
WO2020044421A1 (en) 2020-03-05
JPWO2020044421A1 (en) 2020-09-10
CN112513304A (en) 2021-03-16
SG11202101409TA (en) 2021-03-30
MY196194A (en) 2023-03-22
KR20210035263A (en) 2021-03-31
EP3835445A1 (en) 2021-06-16
KR102524703B1 (en) 2023-04-21
PH12021550411A1 (en) 2021-09-20
JP6566166B1 (en) 2019-08-28
BR112021001870A2 (en) 2021-04-27

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Ipc: C22C 38/00 20060101AFI20210715BHEP

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