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IN2014DN07405A - - Google Patents

Info

Publication number
IN2014DN07405A
IN2014DN07405A IN7405DEN2014A IN2014DN07405A IN 2014DN07405 A IN2014DN07405 A IN 2014DN07405A IN 7405DEN2014 A IN7405DEN2014 A IN 7405DEN2014A IN 2014DN07405 A IN2014DN07405 A IN 2014DN07405A
Authority
IN
India
Prior art keywords
texture
average
total
ray intensity
bainite
Prior art date
Application number
Inventor
Kengo Hata
Toshiro Tomida
Norio Imai
Jun Haga
Takuya Nishio
Original Assignee
Nippon Steel & Sumitomo Metal 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 Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of IN2014DN07405A publication Critical patent/IN2014DN07405A/en

Links

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
    • 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
    • C21D8/0236—Cold 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
    • 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
    • C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • C21D8/0284—Application of a separating or insulating coating
    • 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
    • C22C38/002—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
    • C22C38/12—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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/008—Martensite

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)
  • Coating With Molten Metal (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

A high-strength cold-rolled steel sheet having excellent ductility and stretch flangeability includes: a chemical composition consisting, in mass%, C: 0.06 to 0.3, Si: 0.6 to 2.5%, Mn: 0.6 to 3.5%, P: at most O.l%, S: at most 0.05%, Ti: 0 to 0.08%, Nb: 0 to 0.04%, total of Ti and Nb: 0 to 0.10%, sol.Al : 0 to 2.0%, Cr: 0 to I%, Mo: 0 to 0.3%, V: 0 to 0.3%, B: 0 to 0.005%, Ca: 0 to 0.003%, REM: 0 to 0.003% and the remainder of Fe and impurities; a microstructure having a main phase including at least 40 area% in total of martensite and/or bainite; and a texture in which proportion of an average X-ray intensity in an {100}<011> to {211}<011> orientations relative to an average X-ray intensity of a random structure not having a texture is less than 6.
IN7405DEN2014 2012-02-22 2013-02-13 IN2014DN07405A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012036474 2012-02-22
PCT/JP2013/053312 WO2013125399A1 (en) 2012-02-22 2013-02-13 Cold-rolled steel sheet and manufacturing method for same

Publications (1)

Publication Number Publication Date
IN2014DN07405A true IN2014DN07405A (en) 2015-04-24

Family

ID=49005586

Family Applications (1)

Application Number Title Priority Date Filing Date
IN7405DEN2014 IN2014DN07405A (en) 2012-02-22 2013-02-13

Country Status (12)

Country Link
US (1) US10526671B2 (en)
EP (1) EP2818568B1 (en)
JP (1) JP5464302B2 (en)
KR (1) KR101607798B1 (en)
CN (1) CN104254630B (en)
BR (1) BR112014020593B1 (en)
ES (1) ES2711911T3 (en)
IN (1) IN2014DN07405A (en)
MX (1) MX367060B (en)
PL (1) PL2818568T3 (en)
TW (1) TWI515306B (en)
WO (1) WO2013125399A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5900922B2 (en) * 2012-03-14 2016-04-06 国立大学法人大阪大学 Manufacturing method of steel
JP6237364B2 (en) * 2014-03-17 2017-11-29 新日鐵住金株式会社 High strength steel plate with excellent impact characteristics and method for producing the same
JP6379716B2 (en) * 2014-06-23 2018-08-29 新日鐵住金株式会社 Cold-rolled steel sheet and manufacturing method thereof
CN105986175B (en) * 2015-03-02 2018-01-16 中国钢铁股份有限公司 The manufacture method of high-strength high-tractility steel
SE539519C2 (en) * 2015-12-21 2017-10-03 High strength galvannealed steel sheet and method of producing such steel sheet
WO2017131056A1 (en) * 2016-01-27 2017-08-03 Ｊｆｅスチール株式会社 High-yield ratio high-strength galvanized steel sheet, and method for producing same
BR112019001901A2 (en) * 2016-08-16 2019-05-07 Nippon Steel & Sumitomo Metal Corporation hot formed part
KR102226647B1 (en) * 2016-09-28 2021-03-10 제이에프이 스틸 가부시키가이샤 Steel plate and its manufacturing method
JP2018162486A (en) * 2017-03-24 2018-10-18 株式会社神戸製鋼所 Heating method for hot-dip zinc-coated steel sheet
WO2018189950A1 (en) * 2017-04-14 2018-10-18 Ｊｆｅスチール株式会社 Steel plate and production method therefor
KR102269845B1 (en) 2017-07-07 2021-06-28 닛폰세이테츠 가부시키가이샤 Hot-rolled steel sheet and its manufacturing method
CN107794357B (en) * 2017-10-26 2018-09-14 北京科技大学 The method of super rapid heating technique productions superhigh intensity martensite cold-rolled steel sheet
JP2020012172A (en) * 2018-07-20 2020-01-23 日本製鉄株式会社 Steel material and manufacturing method therefor
JP7337486B2 (en) * 2018-07-20 2023-09-04 日本製鉄株式会社 Steel material and its manufacturing method
CN116137870A (en) * 2020-10-12 2023-05-19 日本制铁株式会社 Hot dip galvanized steel sheet
WO2022079988A1 (en) 2020-10-13 2022-04-21 Ｊｆｅスチール株式会社 High-strength cold rolled steel sheet, high-strength plated steel sheet, method for manufacturing high-strength cold rolled steel sheet, and method for manufacturing high-strength plated steel sheet
WO2022079987A1 (en) 2020-10-13 2022-04-21 Ｊｆｅスチール株式会社 High-strength cold-rolled steel plate, high-strength plated steel plate, method for manufacturing high-strength cold-rolled steel plate, method for manufacturing high-strength plated steel plate, and automobile part
CN115491598B (en) * 2022-09-15 2023-07-11 首钢集团有限公司 1180 MPa-grade phase-change induced plasticity steel and preparation method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002361112A1 (en) * 2002-12-26 2004-07-29 Nippon Steel Corporation Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same
JP4258215B2 (en) * 2002-12-27 2009-04-30 Ｊｆｅスチール株式会社 Hot-dip galvanized steel sheet and manufacturing method thereof
JP4362318B2 (en) * 2003-06-02 2009-11-11 新日本製鐵株式会社 High strength steel plate with excellent delayed fracture resistance and method for producing the same
JP4211520B2 (en) * 2003-07-10 2009-01-21 Ｊｆｅスチール株式会社 High strength and high ductility galvanized steel sheet with excellent aging resistance and method for producing the same
JP4529549B2 (en) * 2004-06-15 2010-08-25 Ｊｆｅスチール株式会社 Manufacturing method of high-strength cold-rolled steel sheets with excellent ductility and hole-expansion workability
WO2007015541A1 (en) 2005-08-03 2007-02-08 Sumitomo Metal Industries, Ltd. Hot rolled steel sheet, cold rolled steel sheet and process for producing the same
JP5030200B2 (en) 2006-06-05 2012-09-19 株式会社神戸製鋼所 High strength steel plate with excellent elongation, stretch flangeability and weldability
JP5151246B2 (en) * 2007-05-24 2013-02-27 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet and high-strength hot-dip galvanized steel sheet excellent in deep drawability and strength-ductility balance and manufacturing method thereof
JP5369663B2 (en) * 2008-01-31 2013-12-18 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof
JP5394709B2 (en) * 2008-11-28 2014-01-22 株式会社神戸製鋼所 Super high strength steel plate with excellent hydrogen embrittlement resistance and workability
JP5315956B2 (en) * 2008-11-28 2013-10-16 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet with excellent formability and method for producing the same
JP5329979B2 (en) * 2009-01-05 2013-10-30 株式会社神戸製鋼所 High-strength cold-rolled steel sheet with an excellent balance between elongation and stretch flangeability
JP5549238B2 (en) 2010-01-22 2014-07-16 新日鐵住金株式会社 Cold rolled steel sheet and method for producing the same
JP5488129B2 (en) * 2010-03-31 2014-05-14 新日鐵住金株式会社 Cold rolled steel sheet and method for producing the same

Also Published As

Publication number Publication date
MX2014009993A (en) 2014-11-25
MX367060B (en) 2019-08-01
ES2711911T3 (en) 2019-05-08
KR101607798B1 (en) 2016-03-30
EP2818568A1 (en) 2014-12-31
BR112014020593B1 (en) 2020-10-20
PL2818568T3 (en) 2019-04-30
CN104254630A (en) 2014-12-31
JP5464302B2 (en) 2014-04-09
TW201348461A (en) 2013-12-01
BR112014020593A2 (en) 2019-08-13
EP2818568A4 (en) 2015-11-18
TWI515306B (en) 2016-01-01
JPWO2013125399A1 (en) 2015-07-30
KR20140129220A (en) 2014-11-06
CN104254630B (en) 2017-03-15
EP2818568B1 (en) 2018-11-21
US20150027593A1 (en) 2015-01-29
US10526671B2 (en) 2020-01-07
WO2013125399A1 (en) 2013-08-29

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