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MY180777A - Cold rolled steel sheet having excellent bendability and method for manufacturing the same - Google Patents

Cold rolled steel sheet having excellent bendability and method for manufacturing the same

Info

Publication number
MY180777A
MY180777A MYPI2012003197A MYPI2012003197A MY180777A MY 180777 A MY180777 A MY 180777A MY PI2012003197 A MYPI2012003197 A MY PI2012003197A MY PI2012003197 A MYPI2012003197 A MY PI2012003197A MY 180777 A MY180777 A MY 180777A
Authority
MY
Malaysia
Prior art keywords
less
steel sheet
rolled steel
cold rolled
larger
Prior art date
Application number
MYPI2012003197A
Inventor
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 MY180777A publication Critical patent/MY180777A/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
    • 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
    • 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
    • C22C38/02—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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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

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

An object of the present invention is to provide a cold rolled steel sheet having excellent bendability and exhibiting good formability in actual press forming. Specifically, the present invention provides a cold rolled steel sheet having excellent bendability, comprising by mass%: C: 0.005 % or less; Si: 0.1 % or less; Mn: 0.5 % or less; P: 0.03 % or less; S: 0.02 % or less; N: 0.005 % or less; A1: 0.1 % or less; Ti: 0.020 % to 0.1 % (inclusive of 0.020 % and 0.1 %); and Fe and incidental impurities as the remainder, wherein size of TiN is not larger than 0.5 micron, size of Ti sulfide and/or Ti carbosulfide is not larger than 0.5 micron, ferrite particle diameter is not larger than 30 micron, X-ray random intensity ratio of (111)//ND is at least 3, and X-ray random intensity ratio of(100)//ND is not larger than 1.
MYPI2012003197A 2011-11-15 2012-07-13 Cold rolled steel sheet having excellent bendability and method for manufacturing the same MY180777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011250084A JP2013104114A (en) 2011-11-15 2011-11-15 Cold rolled steel sheet having excellent bending workability and method for producing the same

Publications (1)

Publication Number Publication Date
MY180777A true MY180777A (en) 2020-12-09

Family

ID=48623893

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012003197A MY180777A (en) 2011-11-15 2012-07-13 Cold rolled steel sheet having excellent bendability and method for manufacturing the same

Country Status (5)

Country Link
JP (1) JP2013104114A (en)
BR (1) BR102012017451A2 (en)
MY (1) MY180777A (en)
RU (1) RU2524021C2 (en)
ZA (1) ZA201205232B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6237657B2 (en) * 2015-01-20 2017-11-29 Ｊｆｅスチール株式会社 Galvanized steel sheet and method for producing the same
JP6443126B2 (en) * 2015-02-26 2018-12-26 新日鐵住金株式会社 Ferritic steel sheet
DE102016117508B4 (en) * 2016-09-16 2019-10-10 Salzgitter Flachstahl Gmbh Process for producing a flat steel product from a medium manganese steel and such a flat steel product
US20240068066A1 (en) 2021-03-02 2024-02-29 Nippon Steel Corporation Steel sheet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970007205B1 (en) * 1994-10-28 1997-05-07 김만제 Cold rolled steel sheet for shadow mask and manufacturing method
JP3793350B2 (en) * 1998-06-29 2006-07-05 新日本製鐵株式会社 Dual-phase high-strength cold-rolled steel sheet with excellent dynamic deformation characteristics and manufacturing method thereof
FR2790009B1 (en) * 1999-02-22 2001-04-20 Lorraine Laminage HIGH ELASTICITY DUAL-PHASE STEEL
JP4214036B2 (en) * 2003-11-05 2009-01-28 新日本製鐵株式会社 Thin steel plate excellent in surface properties, formability and workability, and method for producing the same
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

Also Published As

Publication number Publication date
RU2012129867A (en) 2014-01-20
ZA201205232B (en) 2013-05-29
JP2013104114A (en) 2013-05-30
BR102012017451A2 (en) 2015-08-25
RU2524021C2 (en) 2014-07-27

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