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IN2014KN01297A - - Google Patents

Info

Publication number
IN2014KN01297A
IN2014KN01297A IN1297KON2014A IN2014KN01297A IN 2014KN01297 A IN2014KN01297 A IN 2014KN01297A IN 1297KON2014 A IN1297KON2014 A IN 1297KON2014A IN 2014KN01297 A IN2014KN01297 A IN 2014KN01297A
Authority
IN
India
Prior art keywords
cementite
ferrite
steel sheet
rolled steel
hot rolled
Prior art date
Application number
Inventor
Nobuyuki Nakamura
Takashi Kobayashi
Yoshimasa Funakawa
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 IN2014KN01297A publication Critical patent/IN2014KN01297A/en

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
    • C22C38/60—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of 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
    • 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
    • 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
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C22C38/40—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
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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 Sheet Steel (AREA)

Abstract

Provided is a high carbon hot rolled steel sheet possessing stable excellent cold workability and hardenability; and a method for producing the same. The high carbon hot rolled steel sheet contains by mass 0.20 0.48% C at most 0.1% Si at most 0.5% Mn at most 0.03% P at most 0.01% S more than 0.10% to 1.0% sol.Al at most 0.005% N and 0.0005 0.0050% B the remainder having a composition comprising Fe and unavoidable impurities; and has a microstructure comprising ferrite and cementite the average particle size of the ferrite being 10 20µm and the spheroidization rate of the cementite being no less than 90%.
IN1297KON2014 2012-01-05 2012-12-26 IN2014KN01297A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012000407 2012-01-05
PCT/JP2012/008318 WO2013102986A1 (en) 2012-01-05 2012-12-26 High carbon hot-rolled steel sheet and method for producing same

Publications (1)

Publication Number Publication Date
IN2014KN01297A true IN2014KN01297A (en) 2015-10-16

Family

ID=48745062

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1297KON2014 IN2014KN01297A (en) 2012-01-05 2012-12-26

Country Status (8)

Country Link
US (1) US10077491B2 (en)
EP (1) EP2801636B1 (en)
JP (1) JP5590254B2 (en)
KR (1) KR20140110994A (en)
CN (1) CN104040000B (en)
IN (1) IN2014KN01297A (en)
TW (1) TWI510643B (en)
WO (1) WO2013102986A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2014KN01298A (en) * 2012-01-06 2015-10-16 Jfe Steel Corp
EP3190202B1 (en) * 2013-07-09 2022-03-30 JFE Steel Corporation High-carbon hot-rolled steel sheet and method for producing the same
US10407748B2 (en) 2013-11-22 2019-09-10 Nippon Steel Corporation High-carbon steel sheet and method of manufacturing the same
JP6065120B2 (en) * 2014-03-28 2017-01-25 Ｊｆｅスチール株式会社 High carbon hot rolled steel sheet and manufacturing method thereof
WO2015146174A1 (en) * 2014-03-28 2015-10-01 Ｊｆｅスチール株式会社 High-carbon hot-rolled steel sheet and method for producing same
WO2016147550A1 (en) * 2015-03-13 2016-09-22 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet and method for manufacturing same
JP6519012B2 (en) * 2015-05-26 2019-05-29 日本製鉄株式会社 Low carbon steel sheet excellent in cold formability and toughness after heat treatment and manufacturing method
JP6119923B1 (en) * 2015-05-26 2017-04-26 新日鐵住金株式会社 Steel sheet and manufacturing method thereof
US11434542B2 (en) 2018-01-30 2022-09-06 Jfe Steel Corporation High-carbon hot-rolled steel sheet and method for producing the same
US20210207235A1 (en) * 2018-10-02 2021-07-08 Nippon Steel Corporation Steel sheet for carburizing, and method for manufacturing steel sheet for carburizing
EP3901303A4 (en) * 2019-01-30 2021-11-03 JFE Steel Corporation High-carbon hot-rolled steel sheet and method for manufacturing same

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598356A (en) 1982-07-06 1984-01-17 Nec Corp Fabrication of semiconductor integrated circuit device
JPH04124216A (en) * 1990-09-12 1992-04-24 Sumitomo Metal Ind Ltd Production of high carbon steel sheet having superior formability
JPH04265582A (en) 1991-02-20 1992-09-21 Mitsubishi Electric Corp Magnetic disk device
JP3241748B2 (en) * 1991-04-11 2001-12-25 川崎製鉄株式会社 Steel material excellent in workability and hardenability and its manufacturing method
JPH0598356A (en) 1991-10-04 1993-04-20 Sumitomo Metal Ind Ltd Production of tempering-free-type ti-b type high carbon steel sheet
JP2718332B2 (en) * 1992-09-29 1998-02-25 住友金属工業株式会社 Method for producing high carbon steel strip with good formability
JP3297788B2 (en) * 1994-10-19 2002-07-02 住友金属工業株式会社 High carbon thin steel sheet excellent in hole expandability and secondary workability and method for producing the same
JPH08291362A (en) * 1995-04-21 1996-11-05 Sumitomo Metal Ind Ltd Steel material excellent in cold workability
JP2001011575A (en) * 1999-06-30 2001-01-16 Nippon Steel Corp Bar steel and steel wire for machine structure excellent in cold workability and its production
JP4123748B2 (en) 2001-02-07 2008-07-23 Ｊｆｅスチール株式会社 Thin steel plate with excellent impact properties after quenching and method for producing the same
KR100513991B1 (en) * 2001-02-07 2005-09-09 제이에프이 스틸 가부시키가이샤 Method for production of thin steel sheet
JP4265582B2 (en) 2001-02-07 2009-05-20 Ｊｆｅスチール株式会社 Hot-rolled steel sheet with excellent impact properties after quenching and method for producing the same
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US20050199322A1 (en) * 2004-03-10 2005-09-15 Jfe Steel Corporation High carbon hot-rolled steel sheet and method for manufacturing the same
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Also Published As

Publication number Publication date
CN104040000A (en) 2014-09-10
EP2801636A1 (en) 2014-11-12
EP2801636B1 (en) 2018-08-01
TWI510643B (en) 2015-12-01
CN104040000B (en) 2016-09-07
JP5590254B2 (en) 2014-09-17
US10077491B2 (en) 2018-09-18
TW201337002A (en) 2013-09-16
WO2013102986A1 (en) 2013-07-11
JPWO2013102986A1 (en) 2015-05-11
US20150090376A1 (en) 2015-04-02
EP2801636A4 (en) 2015-08-05
KR20140110994A (en) 2014-09-17

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