TWI327171B - Cold roller steel sheet having superior formability, process for producing the same - Google Patents

Cold roller steel sheet having superior formability, process for producing the same Download PDF

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Publication number
TWI327171B
TWI327171B TW095115563A TW95115563A TWI327171B TW I327171 B TWI327171 B TW I327171B TW 095115563 A TW095115563 A TW 095115563A TW 95115563 A TW95115563 A TW 95115563A TW I327171 B TWI327171 B TW I327171B
Authority
TW
Taiwan
Prior art keywords
steel sheet
less
rolled steel
cold
precipitates
Prior art date
Application number
TW095115563A
Other languages
English (en)
Chinese (zh)
Other versions
TW200702456A (en
Inventor
Jeong Bong Yoon
Sang Ho Han
Sung Il Kim
Man Young Park
Kwang Geun Chin
Ho Seok Kim
Jin Hee Chung
Original Assignee
Posco
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 Posco filed Critical Posco
Publication of TW200702456A publication Critical patent/TW200702456A/zh
Application granted granted Critical
Publication of TWI327171B publication Critical patent/TWI327171B/zh

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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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C21D8/0426—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
    • C21D8/04—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
    • C21D8/0463—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 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
    • 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
    • C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
    • 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
    • C22C38/12—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
    • C22C38/16—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
    • 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

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)
  • Metal Rolling (AREA)
TW095115563A 2005-05-03 2006-05-02 Cold roller steel sheet having superior formability, process for producing the same TWI327171B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20050037183 2005-05-03
KR1020050129242A KR100723159B1 (ko) 2005-05-03 2005-12-26 성형성이 우수한 냉연강판과 그 제조방법
KR1020050129238A KR100723182B1 (ko) 2005-05-03 2005-12-26 소성이방성이 우수한 냉연강판과 그 제조방법
KR1020050129240A KR100723180B1 (ko) 2005-05-03 2005-12-26 가공성이 우수한 냉연강판과 그 제조방법
KR1020050129241A KR100723160B1 (ko) 2005-05-03 2005-12-26 면내이방성이 우수한 냉연강판과 그 제조방법

Publications (2)

Publication Number Publication Date
TW200702456A TW200702456A (en) 2007-01-16
TWI327171B true TWI327171B (en) 2010-07-11

Family

ID=37652804

Family Applications (3)

Application Number Title Priority Date Filing Date
TW095115563A TWI327171B (en) 2005-05-03 2006-05-02 Cold roller steel sheet having superior formability, process for producing the same
TW095115562A TWI346141B (en) 2005-05-03 2006-05-02 Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same
TW095115565A TWI309263B (en) 2005-05-03 2006-05-02 Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW095115562A TWI346141B (en) 2005-05-03 2006-05-02 Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same
TW095115565A TWI309263B (en) 2005-05-03 2006-05-02 Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same

Country Status (6)

Country Link
US (2) US20090126837A1 (ko)
JP (3) JP4964870B2 (ko)
KR (42) KR100723180B1 (ko)
CN (3) CN101184858B (ko)
MX (3) MX2007013676A (ko)
TW (3) TWI327171B (ko)

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KR100957960B1 (ko) * 2007-12-26 2010-05-17 주식회사 포스코 가공성 및 표면품질이 우수한 냉연강판 및 그 제조방법
KR101030898B1 (ko) * 2008-08-28 2011-04-22 현대제철 주식회사 고용 탄소/질소 복합형 소부경화 강판 및 그 제조방법
CN101348884B (zh) * 2008-09-11 2010-05-12 北京科技大学 一种440MPa含铌高强IF钢及其制备方法
JP5272714B2 (ja) * 2008-12-24 2013-08-28 Ｊｆｅスチール株式会社 製缶用鋼板の製造方法
KR101121829B1 (ko) * 2009-08-27 2012-03-21 현대제철 주식회사 고강도 열연강판 및 그 제조방법
CN102747281B (zh) * 2012-07-31 2014-10-29 首钢总公司 罩式退火if钢的生产方法
CN102925796B (zh) * 2012-10-30 2014-07-09 鞍钢股份有限公司 一种非合金化超低碳结构用冷轧板及其生产方法
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DE102016110661A1 (de) * 2016-06-09 2017-12-14 Salzgitter Flachstahl Gmbh Verfahren zur Herstellung eines kaltgewalzten Stahlbandes aus einem hochfesten, manganhaltigen Stahl
CN110026433B (zh) * 2019-03-20 2021-07-23 首钢集团有限公司 一种提高含p高强if钢连退板表面质量的方法
KR102710345B1 (ko) * 2019-11-13 2024-09-26 닛폰세이테츠 가부시키가이샤 강재
KR102566353B1 (ko) 2021-08-26 2023-08-14 현대제철 주식회사 소성이방성이 우수한 고강도 냉연 강판

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Publication number Publication date
KR20060115634A (ko) 2006-11-09
JP4954980B2 (ja) 2012-06-20
KR100742935B1 (ko) 2007-07-25
KR20060115309A (ko) 2006-11-08
KR20060115315A (ko) 2006-11-08
KR100723159B1 (ko) 2007-05-30
KR20060115631A (ko) 2006-11-09
KR100742929B1 (ko) 2007-07-25
KR20060115638A (ko) 2006-11-09
KR20060115615A (ko) 2006-11-09
KR100742940B1 (ko) 2007-07-25
KR20060115316A (ko) 2006-11-08
KR20060115645A (ko) 2006-11-09
KR100742926B1 (ko) 2007-07-25
KR100742918B1 (ko) 2007-07-25
KR100742917B1 (ko) 2007-07-25
KR20060115320A (ko) 2006-11-08
KR100742943B1 (ko) 2007-07-25
KR100742819B1 (ko) 2007-07-25
KR20060115630A (ko) 2006-11-09
KR20060115627A (ko) 2006-11-09
KR100742955B1 (ko) 2007-07-25
KR20060115319A (ko) 2006-11-08
KR100742933B1 (ko) 2007-07-25
KR100742948B1 (ko) 2007-07-25
TW200702455A (en) 2007-01-16
MX2007013677A (es) 2008-01-28
KR20060115625A (ko) 2006-11-09
CN101171355A (zh) 2008-04-30
JP2008540826A (ja) 2008-11-20
MX2007013676A (es) 2008-01-28
JP4964870B2 (ja) 2012-07-04
KR100742953B1 (ko) 2007-07-25
KR100742944B1 (ko) 2007-07-25
JP2008540825A (ja) 2008-11-20
KR100723164B1 (ko) 2007-05-30
KR20060115318A (ko) 2006-11-08
CN101184858B (zh) 2010-12-08
KR20060115636A (ko) 2006-11-09
KR20060115640A (ko) 2006-11-09
KR20060115622A (ko) 2006-11-09
KR20060115313A (ko) 2006-11-08
KR20060115639A (ko) 2006-11-09
KR100723165B1 (ko) 2007-05-30
KR20060115317A (ko) 2006-11-08
KR100742939B1 (ko) 2007-07-25
KR100742937B1 (ko) 2007-07-25
KR20060115624A (ko) 2006-11-09
CN101171356A (zh) 2008-04-30
KR100723180B1 (ko) 2007-05-30
KR20060115642A (ko) 2006-11-09
KR20060115312A (ko) 2006-11-08
KR20060115310A (ko) 2006-11-08
KR100742941B1 (ko) 2007-07-25
TW200702444A (en) 2007-01-16
KR100723216B1 (ko) 2007-05-29
KR100723160B1 (ko) 2007-05-30
KR20060115621A (ko) 2006-11-09
CN101184858A (zh) 2008-05-21
KR100723158B1 (ko) 2007-05-30
KR20060115644A (ko) 2006-11-09
KR100742954B1 (ko) 2007-07-25
KR100742919B1 (ko) 2007-07-25
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JP2008540827A (ja) 2008-11-20
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TWI346141B (en) 2011-08-01
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US20090126837A1 (en) 2009-05-21
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CN100557058C (zh) 2009-11-04
KR100742934B1 (ko) 2007-07-25
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JP4954981B2 (ja) 2012-06-20
KR100742927B1 (ko) 2007-07-25
KR100742938B1 (ko) 2007-07-25
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