EP3901303A4 - Kohlenstoffreiches warmgewalztes stahlblech und verfahren zur herstellung davon - Google Patents

Kohlenstoffreiches warmgewalztes stahlblech und verfahren zur herstellung davon Download PDF

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Publication number
EP3901303A4
EP3901303A4 EP20749360.2A EP20749360A EP3901303A4 EP 3901303 A4 EP3901303 A4 EP 3901303A4 EP 20749360 A EP20749360 A EP 20749360A EP 3901303 A4 EP3901303 A4 EP 3901303A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
rolled steel
manufacturing same
carbon hot
hot
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
EP20749360.2A
Other languages
English (en)
French (fr)
Other versions
EP3901303A1 (de
Inventor
Yuka Miyamoto
Yasuhiro Sakurai
Yoshihiko 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.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP3901303A1 publication Critical patent/EP3901303A1/de
Publication of EP3901303A4 publication Critical patent/EP3901303A4/de
Pending legal-status Critical Current

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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
    • 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
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/0263—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
    • 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
    • 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
    • C22C38/02—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
    • C22C38/20—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
    • C22C38/26—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
    • C22C38/44—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
    • C22C38/54—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
    • C22C38/60—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
    • C21D2211/003—Cementite
    • 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
    • C21D2211/009—Pearlite

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  • 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 Sheet Steel (AREA)
EP20749360.2A 2019-01-30 2020-01-14 Kohlenstoffreiches warmgewalztes stahlblech und verfahren zur herstellung davon Pending EP3901303A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019013957 2019-01-30
PCT/JP2020/000783 WO2020158357A1 (ja) 2019-01-30 2020-01-14 高炭素熱延鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
EP3901303A1 EP3901303A1 (de) 2021-10-27
EP3901303A4 true EP3901303A4 (de) 2021-11-03

Family

ID=71842205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20749360.2A Pending EP3901303A4 (de) 2019-01-30 2020-01-14 Kohlenstoffreiches warmgewalztes stahlblech und verfahren zur herstellung davon

Country Status (7)

Country Link
US (1) US20220170126A1 (de)
EP (1) EP3901303A4 (de)
JP (1) JP6927427B2 (de)
KR (1) KR102570145B1 (de)
CN (1) CN113366137B (de)
TW (1) TWI738186B (de)
WO (1) WO2020158357A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7444097B2 (ja) 2021-02-10 2024-03-06 Ｊｆｅスチール株式会社 熱延鋼板およびその製造方法
EP4317484A1 (de) * 2021-03-31 2024-02-07 JFE Steel Corporation Kaltgewalztes stahlblech und verfahren zur herstellung eines kaltgewalzten stahlblechs
CN115181905B (zh) * 2022-06-23 2023-09-15 首钢集团有限公司 一种齿轮用钢及其生产方法
CN115418567B (zh) * 2022-08-31 2024-01-19 马鞍山钢铁股份有限公司 一种Nb-Ti-B微合金化耐高温、低内氧化渗碳齿轮钢及其制造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010106748A1 (ja) * 2009-03-16 2010-09-23 新日本製鐵株式会社 焼入れ性に優れたボロン添加鋼板および製造方法
EP3020839A1 (de) * 2013-07-09 2016-05-18 JFE Steel Corporation Kohlenstoffreiches warmgewalztes stahlblech und herstellungsverfahren dafür
EP3020843A1 (de) * 2013-07-09 2016-05-18 JFE Steel Corporation Kohlenstoffreiches warmgewalztes stahlblech und herstellungsverfahren dafür
EP3091098A1 (de) * 2014-03-28 2016-11-09 JFE Steel Corporation Heissgewalztes stahlblech mit hohem kohlenstoffgehalt und verfahren zur herstellung davon
EP3091097A1 (de) * 2014-03-28 2016-11-09 JFE Steel Corporation Heissgewalztes stahlblech mit hohem kohlenstoffgehalt und verfahren zur herstellung davon

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5458649U (de) 1977-09-30 1979-04-23
JPS5788967A (en) 1980-11-21 1982-06-03 Showa Alum Corp Formation of porous layer on metallic surface
JP4012475B2 (ja) 2003-02-21 2007-11-21 新日本製鐵株式会社 冷間加工性と低脱炭性に優れた機械構造用鋼及びその製造方法
JP4057930B2 (ja) * 2003-02-21 2008-03-05 新日本製鐵株式会社 冷間加工性に優れた機械構造用鋼及びその製造方法
US20050199322A1 (en) * 2004-03-10 2005-09-15 Jfe Steel Corporation High carbon hot-rolled steel sheet and method for manufacturing the same
JP4332072B2 (ja) 2004-06-07 2009-09-16 新日本製鐵株式会社 加工性と焼き入れ性に優れた高炭素鋼板
JP5458649B2 (ja) 2009-04-28 2014-04-02 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法
JP5280324B2 (ja) 2009-09-08 2013-09-04 日新製鋼株式会社 精密打抜き用高炭素鋼板
JP5590254B2 (ja) * 2012-01-05 2014-09-17 Ｊｆｅスチール株式会社 高炭素熱延鋼板およびその製造方法
JP6244701B2 (ja) 2013-07-09 2017-12-13 Ｊｆｅスチール株式会社 焼入れ性および加工性に優れる高炭素熱延鋼板およびその製造方法
WO2016190396A1 (ja) * 2015-05-26 2016-12-01 新日鐵住金株式会社 鋼板及びその製造方法
EP3305929A4 (de) * 2015-05-26 2018-11-21 Nippon Steel & Sumitomo Metal Corporation Stahlblech und verfahren zur herstellung davon
EP3312299A4 (de) * 2015-06-17 2018-12-05 Nippon Steel & Sumitomo Metal Corporation Stahlblech und herstellungsverfahren
WO2019131099A1 (ja) * 2017-12-25 2019-07-04 Ｊｆｅスチール株式会社 熱延鋼板およびその製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010106748A1 (ja) * 2009-03-16 2010-09-23 新日本製鐵株式会社 焼入れ性に優れたボロン添加鋼板および製造方法
EP3020839A1 (de) * 2013-07-09 2016-05-18 JFE Steel Corporation Kohlenstoffreiches warmgewalztes stahlblech und herstellungsverfahren dafür
EP3020843A1 (de) * 2013-07-09 2016-05-18 JFE Steel Corporation Kohlenstoffreiches warmgewalztes stahlblech und herstellungsverfahren dafür
EP3091098A1 (de) * 2014-03-28 2016-11-09 JFE Steel Corporation Heissgewalztes stahlblech mit hohem kohlenstoffgehalt und verfahren zur herstellung davon
EP3091097A1 (de) * 2014-03-28 2016-11-09 JFE Steel Corporation Heissgewalztes stahlblech mit hohem kohlenstoffgehalt und verfahren zur herstellung davon

Also Published As

Publication number Publication date
JPWO2020158357A1 (ja) 2021-02-18
JP6927427B2 (ja) 2021-08-25
US20220170126A1 (en) 2022-06-02
CN113366137B (zh) 2022-10-28
KR20210105417A (ko) 2021-08-26
WO2020158357A1 (ja) 2020-08-06
CN113366137A (zh) 2021-09-07
TW202031912A (zh) 2020-09-01
TWI738186B (zh) 2021-09-01
KR102570145B1 (ko) 2023-08-23
EP3901303A1 (de) 2021-10-27

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Ipc: C22C 38/02 20060101ALI20210927BHEP

Ipc: C21D 8/02 20060101ALI20210927BHEP

Ipc: C22C 38/60 20060101ALI20210927BHEP

Ipc: C21D 9/46 20060101ALI20210927BHEP

Ipc: C22C 38/00 20060101AFI20210927BHEP

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