MY155322A - Cold rolled steel sheet having excellent formability and shape fixability and method for manufacturing the same - Google Patents

Cold rolled steel sheet having excellent formability and shape fixability and method for manufacturing the same

Info

Publication number
MY155322A
MY155322A MYPI2012002968A MYPI2012002968A MY155322A MY 155322 A MY155322 A MY 155322A MY PI2012002968 A MYPI2012002968 A MY PI2012002968A MY PI2012002968 A MYPI2012002968 A MY PI2012002968A MY 155322 A MY155322 A MY 155322A
Authority
MY
Malaysia
Prior art keywords
steel sheet
rolled steel
cold rolled
manufacturing
same
Prior art date
Application number
MYPI2012002968A
Inventor
Kizu Taro
Takajo Shigehiro
Fujita Koichiro
Yasuhara Eiko
Hanazawa Kazuhiro
Kumagai Masatoshi
Tahara Kenji
Koga Hideharu
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 MY155322A publication Critical patent/MY155322A/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
    • C22C38/02—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
    • 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
    • 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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
    • C21D8/0436—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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation 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
    • 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
    • C22C38/001—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
    • C22C38/04—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
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets

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

A COLD ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND SHAPE FIXABILITY AND A METHOD FOR MANUFACTURING THE SAME ARE PROVIDED. A COLD ROLLED STEEL SHEET INCLUDES A COMPOSITION CONTAINING, ON A PERCENT BY MASS BASIS, C: 0.0010% TO 0.0030%, SI: 0.05% OR LESS, MN: 0.1% TO 0.5%, P: 0.05% OR LESS, S: 0.02% OR LESS, A1: 0.02% TO 0.10%, N: 0.0010% TO 0.0050%, AND NB: 0.010% TO 0.035%, THE A1 CONTENT AND THE N CONTENT SATISFY THE FOLLOWING FORMULA (1), AND THE REMAINDER IS FE AND INEVITABLE IMPURITIES. IN ADDITION, THE COLD ROLLED STEEL SHEET HAS A TEXTURE PRIMARILY CONTAINING FERRITE GRAINS HAVING AN AVERAGE GRAIN DIAMETER OF 8 TO 20 µM, AND AN AREA RATE OF FERRITE GRAINS WITHIN 15° FROM {211} IN THE SHEET SURFACE IS SET TO 50% OR MORE OF THE TEXTURE. [%A1] / [%N] ?10 ? (1). IN THE FORMULA, [%M] INDICATES THE CONTENT OF AN M ELEMENT (PERCENT BY MASS).
MYPI2012002968A 2010-01-15 2011-01-07 Cold rolled steel sheet having excellent formability and shape fixability and method for manufacturing the same MY155322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010006963A JP5051247B2 (en) 2010-01-15 2010-01-15 Cold-rolled steel sheet excellent in formability and shape freezing property and its manufacturing method

Publications (1)

Publication Number Publication Date
MY155322A true MY155322A (en) 2015-09-30

Family

ID=44304377

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012002968A MY155322A (en) 2010-01-15 2011-01-07 Cold rolled steel sheet having excellent formability and shape fixability and method for manufacturing the same

Country Status (7)

Country Link
JP (1) JP5051247B2 (en)
KR (1) KR101464845B1 (en)
CN (1) CN102712982B (en)
MX (1) MX348493B (en)
MY (1) MY155322A (en)
TW (1) TWI427162B (en)
WO (1) WO2011087108A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150060957A (en) * 2012-10-11 2015-06-03 제이에프이 스틸 가부시키가이샤 Cold-rolled steel sheet with superior shape fixability and manufacturing method therefor
CN103170510B (en) * 2013-02-26 2015-05-27 首钢总公司 Hot rolling method for controlling yield ratio of low-carbon cold forging steel
BR112016019612A2 (en) * 2014-02-25 2018-10-23 Jfe Steel Corp steel sheet for crown cap, method for manufacturing crown cap and crown cap
CN106347399B (en) * 2016-08-31 2018-10-09 江苏同庆车辆配件有限公司 A kind of support base wearing plate
WO2019044970A1 (en) 2017-08-31 2019-03-07 新日鐵住金株式会社 Steel sheet for carburization, and production method for steel sheet for carburization
JP2019081916A (en) * 2017-10-27 2019-05-30 Ｊｆｅスチール株式会社 Ferritic stainless steel sheet and method for producing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02156023A (en) * 1988-12-09 1990-06-15 Sumitomo Metal Ind Ltd Manufacture of cold rolled steel sheet having good formability
KR100398464B1 (en) * 1998-07-27 2003-10-10 신닛뽄세이테쯔 카부시키카이샤 Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof
CA2379698C (en) * 2000-05-26 2009-02-17 Kawasaki Steel Corporation Cold rolled steel sheet and galvanized steel sheet having strain age hardenability
JP3990549B2 (en) * 2001-06-05 2007-10-17 新日本製鐵株式会社 High stretch flangeability steel sheet with excellent shape freezing property and method for producing the same
JP4715496B2 (en) * 2005-12-15 2011-07-06 Ｊｆｅスチール株式会社 Method for producing cold-rolled steel sheets with excellent strain aging resistance and small in-plane anisotropy
JP5407591B2 (en) * 2008-07-22 2014-02-05 Ｊｆｅスチール株式会社 Cold-rolled steel sheet, manufacturing method thereof, and backlight chassis
JP5365181B2 (en) * 2008-12-24 2013-12-11 Ｊｆｅスチール株式会社 Steel sheet and manufacturing method thereof

Also Published As

Publication number Publication date
TW201134956A (en) 2011-10-16
MX2012008180A (en) 2012-08-03
JP2011144430A (en) 2011-07-28
KR20120099507A (en) 2012-09-10
CN102712982A (en) 2012-10-03
JP5051247B2 (en) 2012-10-17
CN102712982B (en) 2017-04-26
MX348493B (en) 2017-06-15
WO2011087108A1 (en) 2011-07-21
TWI427162B (en) 2014-02-21
KR101464845B1 (en) 2014-11-25

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