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IN2014KN01298A - - Google Patents

Info

Publication number
IN2014KN01298A
IN2014KN01298A IN1298KON2014A IN2014KN01298A IN 2014KN01298 A IN2014KN01298 A IN 2014KN01298A IN 1298KON2014 A IN1298KON2014 A IN 1298KON2014A IN 2014KN01298 A IN2014KN01298 A IN 2014KN01298A
Authority
IN
India
Prior art keywords
carbide
thickness direction
ferrite phase
average amount
microstructure
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 IN2014KN01298A publication Critical patent/IN2014KN01298A/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
    • C22C38/18—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
    • 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
    • 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
    • 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
    • C22C38/02—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
    • C22C38/24—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
    • C22C38/28—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
    • 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
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

A high carbon hot rolled steel sheet containing 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 0.1 0.6% Al 0.05 0.5% Cr 0.0005 0.0050% B and 0.0010 0.0050% Ca the average amount of N in a surface layer section at a distance of 0.1mm from the surface in the thickness direction of the sheet being at least 0.1% and the average amount of N at the center in the thickness direction being at most 0.01% the remainder having a component composition comprising Fe and unavoidable impurities; and having a microstructure comprising a ferrite phase and a carbide the average particle size of the ferrite phase being 10 20µm and the spheroidization rate of the carbide being at least 90%.
IN1298KON2014 2012-01-06 2012-12-26 IN2014KN01298A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012000913 2012-01-06
PCT/JP2012/008319 WO2013102987A1 (en) 2012-01-06 2012-12-26 High carbon hot-rolled steel sheet and method for producing same

Publications (1)

Publication Number Publication Date
IN2014KN01298A true IN2014KN01298A (en) 2015-10-16

Family

ID=48745063

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1298KON2014 IN2014KN01298A (en) 2012-01-06 2012-12-26

Country Status (8)

Country Link
US (1) US20140332122A1 (en)
EP (1) EP2801633B1 (en)
JP (1) JP5565532B2 (en)
KR (1) KR101616222B1 (en)
CN (1) CN104040003B (en)
IN (1) IN2014KN01298A (en)
TW (1) TWI510647B (en)
WO (1) WO2013102987A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020230880A1 (en) * 2019-05-16 2020-11-19 日本製鉄株式会社 Steel wire and hot-rolled wire material
CN111411304A (en) * 2020-04-17 2020-07-14 南京钢铁股份有限公司 Q460-grade hot-rolled angle steel and preparation method thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
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JPS598356A (en) 1982-07-06 1984-01-17 Nec Corp Fabrication of semiconductor integrated circuit device
JPH04265582A (en) 1991-02-20 1992-09-21 Mitsubishi Electric Corp Magnetic disk device
JPH0598356A (en) 1991-10-04 1993-04-20 Sumitomo Metal Ind Ltd Production of tempering-free-type ti-b type high carbon steel sheet
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
JP3792341B2 (en) * 1997-04-28 2006-07-05 株式会社神戸製鋼所 Soft nitriding steel with excellent cold forgeability and pitting resistance
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
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
EP1605863B1 (en) * 2003-03-14 2016-09-07 Intersect ENT, Inc. Sinus delivery of sustained release therapeutics
KR100673422B1 (en) * 2003-08-28 2007-01-24 제이에프이 스틸 가부시키가이샤 High carbon hot rolled steel sheet, cold rolled steel sheet and method for production thereof
JP4380471B2 (en) * 2003-08-28 2009-12-09 Ｊｆｅスチール株式会社 High carbon hot rolled steel sheet and manufacturing method thereof
US20050199322A1 (en) * 2004-03-10 2005-09-15 Jfe Steel Corporation High carbon hot-rolled steel sheet and method for manufacturing the same
JP5050433B2 (en) * 2005-10-05 2012-10-17 Ｊｆｅスチール株式会社 Method for producing extremely soft high carbon hot-rolled steel sheet
JP5292698B2 (en) * 2006-03-28 2013-09-18 Ｊｆｅスチール株式会社 Extremely soft high carbon hot-rolled steel sheet and method for producing the same
JP5102579B2 (en) * 2007-10-15 2012-12-19 三建設備工業株式会社 Air conditioning system
JP5167487B2 (en) * 2008-02-19 2013-03-21 Ｊｆｅスチール株式会社 High strength steel plate with excellent ductility and method for producing the same
KR101150365B1 (en) * 2008-08-14 2012-06-08 주식회사 포스코 High carbon hot rolled steel coil and manufacturing method thereof
JP5458649B2 (en) * 2009-04-28 2014-04-02 Ｊｆｅスチール株式会社 High carbon hot rolled steel sheet and manufacturing method thereof
JP5233846B2 (en) * 2009-06-02 2013-07-10 新日鐵住金株式会社 Steel materials used for nitriding and induction hardening
CN104040000B (en) * 2012-01-05 2016-09-07 杰富意钢铁株式会社 High-carbon hot-rolled steel sheet and manufacture method thereof

Also Published As

Publication number Publication date
KR101616222B1 (en) 2016-04-27
JP5565532B2 (en) 2014-08-06
EP2801633A4 (en) 2015-09-02
JPWO2013102987A1 (en) 2015-05-11
CN104040003B (en) 2016-05-11
US20140332122A1 (en) 2014-11-13
TWI510647B (en) 2015-12-01
CN104040003A (en) 2014-09-10
EP2801633A1 (en) 2014-11-12
EP2801633B1 (en) 2017-10-25
WO2013102987A1 (en) 2013-07-11
KR20140110995A (en) 2014-09-17
TW201333222A (en) 2013-08-16

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