JP4964870B2 - 面内異方性が低い高降伏比冷延鋼板及びその製造方法 - Google Patents

面内異方性が低い高降伏比冷延鋼板及びその製造方法 Download PDF

Info

Publication number
JP4964870B2
JP4964870B2 JP2008509935A JP2008509935A JP4964870B2 JP 4964870 B2 JP4964870 B2 JP 4964870B2 JP 2008509935 A JP2008509935 A JP 2008509935A JP 2008509935 A JP2008509935 A JP 2008509935A JP 4964870 B2 JP4964870 B2 JP 4964870B2
Authority
JP
Japan
Prior art keywords
steel sheet
low
less
rolled steel
yield ratio
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2008509935A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008540826A (ja
Inventor
ジョン ボン ユン
ジン ヒ チュン
クヮン ギュン チン
サン ホ ハン
スン イル キム
ホ セオク キム
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Co Ltd
Original Assignee
Posco Co Ltd
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 Co Ltd filed Critical Posco Co Ltd
Priority claimed from PCT/KR2006/001669 external-priority patent/WO2006118424A1/en
Publication of JP2008540826A publication Critical patent/JP2008540826A/ja
Application granted granted Critical
Publication of JP4964870B2 publication Critical patent/JP4964870B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/004—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)
JP2008509935A 2005-05-03 2006-05-03 面内異方性が低い高降伏比冷延鋼板及びその製造方法 Active JP4964870B2 (ja)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
KR20050037183 2005-05-03
KR10-2005-0037183 2005-05-03
KR1020050130130A KR100723216B1 (ko) 2005-05-03 2005-12-26 소성이방성이 우수한 냉연강판과 그 제조방법
KR10-2005-0130130 2005-12-26
KR1020050129243A KR100723158B1 (ko) 2005-05-03 2005-12-26 성형성이 우수한 냉연강판과 그 제조방법
KR1020050130132A KR100742819B1 (ko) 2005-05-03 2005-12-26 면내이방성이 우수한 냉연강판과 그 제조방법
KR1020050130131A KR100742818B1 (ko) 2005-05-03 2005-12-26 가공성이 우수한 냉연강판과 그 제조방법
KR10-2005-0130131 2005-12-26
KR10-2005-0129243 2005-12-26
KR10-2005-0130132 2005-12-26
PCT/KR2006/001669 WO2006118424A1 (en) 2005-05-03 2006-05-03 Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same

Publications (2)

Publication Number Publication Date
JP2008540826A JP2008540826A (ja) 2008-11-20
JP4964870B2 true JP4964870B2 (ja) 2012-07-04

Family

ID=37652804

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2008509936A Active JP4954981B2 (ja) 2005-05-03 2006-05-03 成形性に優れた高降伏比冷延鋼板とその製造方法。
JP2008509934A Active JP4954980B2 (ja) 2005-05-03 2006-05-03 高成形性冷延鋼板とその製造方法。
JP2008509935A Active JP4964870B2 (ja) 2005-05-03 2006-05-03 面内異方性が低い高降伏比冷延鋼板及びその製造方法

Family Applications Before (2)

Application Number Title Priority Date Filing Date
JP2008509936A Active JP4954981B2 (ja) 2005-05-03 2006-05-03 成形性に優れた高降伏比冷延鋼板とその製造方法。
JP2008509934A Active JP4954980B2 (ja) 2005-05-03 2006-05-03 高成形性冷延鋼板とその製造方法。

Country Status (6)

Country Link
US (2) US20080185077A1 (ko)
JP (3) JP4954981B2 (ko)
KR (42) KR100723181B1 (ko)
CN (3) CN101171355A (ko)
MX (3) MX2007013675A (ko)
TW (3) TWI346141B (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100775338B1 (ko) * 2006-11-21 2007-11-08 주식회사 포스코 성형성이 우수한 고항복비형 냉연강판 및 그 제조방법
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
KR101318060B1 (ko) 2013-05-09 2013-10-15 현대제철 주식회사 인성이 향상된 핫스탬핑 부품 및 그 제조 방법
KR101611762B1 (ko) * 2014-12-12 2016-04-14 주식회사 포스코 굽힘가공성 및 충돌특성이 우수한 고항복비형 냉연강판 및 그 제조방법
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
CN114599804B (zh) * 2019-11-13 2024-03-29 日本制铁株式会社 钢材
KR102566353B1 (ko) 2021-08-26 2023-08-14 현대제철 주식회사 소성이방성이 우수한 고강도 냉연 강판

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5825436A (ja) * 1981-08-10 1983-02-15 Kawasaki Steel Corp 遅時効性、異方性小なる深絞り用冷延鋼板の製造方法
JPS5884929A (ja) * 1981-11-17 1983-05-21 Nippon Steel Corp 非時効性で塗装焼付硬化性の優れた深絞り用冷延鋼板の製造法
JPS5967322A (ja) * 1982-10-08 1984-04-17 Kawasaki Steel Corp 深絞り用冷延鋼板の製造方法
JPH01191765A (ja) * 1988-01-26 1989-08-01 Nippon Steel Corp 微細粒チタン酸化物、硫化物を分散した溶接部靭性の優れた低温用高張力鋼
JPH07116509B2 (ja) * 1989-02-21 1995-12-13 日本鋼管株式会社 無方向性電磁鋼板の製造方法
JPH05339640A (ja) * 1990-12-10 1993-12-21 Kobe Steel Ltd 塑性異方性の小さい冷間圧延鋼板の製造方法
US5200005A (en) * 1991-02-08 1993-04-06 Mcgill University Interstitial free steels and method thereof
US5332453A (en) * 1992-03-06 1994-07-26 Kawasaki Steel Corporation High tensile steel sheet having excellent stretch flanging formability
JP3096165B2 (ja) * 1992-08-18 2000-10-10 川崎製鉄株式会社 深絞り性に優れる冷延鋼板の製造方法
JP3219220B2 (ja) * 1993-03-31 2001-10-15 住友金属鉱山株式会社 空気極前駆グリーンシートおよびこれを用いた溶融炭酸塩型燃料電池
CA2149522C (en) * 1993-10-05 1999-08-24 Yoshihiro Hosoya Continuously annealed cold-rolled steel sheet excellent in balance between deep drawability and resistance to secondary-work embrittlement and method for manufacturing same
JPH07179946A (ja) * 1993-12-24 1995-07-18 Kawasaki Steel Corp 耐二次加工ぜい性に優れる高加工性高張力冷延鋼板の製造方法
JPH08283909A (ja) * 1995-04-17 1996-10-29 Nippon Steel Corp 加工性の均一性に優れた冷延鋼板およびその製造方法
JP3420370B2 (ja) * 1995-03-16 2003-06-23 Ｊｆｅスチール株式会社 プレス成形性に優れた薄鋼板およびその製造方法
JP3293450B2 (ja) * 1996-02-27 2002-06-17 日本鋼管株式会社 深絞り用冷延鋼板の製造方法
DE19628714C1 (de) 1996-07-08 1997-12-04 Mannesmann Ag Verfahren zur Herstellung von Präzisionsstahlrohren
JP3745496B2 (ja) * 1997-04-18 2006-02-15 新日本製鐵株式会社 塗装焼付硬化性能に優れた冷延鋼板および合金化溶融亜鉛めっき鋼板の製造方法
JPH11241140A (ja) * 1998-02-26 1999-09-07 Nippon Steel Corp ８００〜８５０℃における降伏強度が高くロール成形性の優れた溶融亜鉛めっき鋼板とその製造方法
JPH11269625A (ja) * 1998-03-25 1999-10-05 Sumitomo Metal Ind Ltd 合金化溶融亜鉛めっき鋼板およびその製造方法
JP4301638B2 (ja) * 1999-05-27 2009-07-22 新日鐵住金ステンレス株式会社 高温強度に優れた高純度フェライト系ステンレス鋼
JP2000345293A (ja) * 1999-06-08 2000-12-12 Nippon Steel Corp 窒化による硬化特性に優れた深絞り用冷延鋼板
KR100430981B1 (ko) * 1999-08-10 2004-05-14 제이에프이 엔지니어링 가부시키가이샤 디프 드로잉성이 우수한 냉연강판의 제조방법
WO2001064967A1 (fr) * 2000-02-29 2001-09-07 Kawasaki Steel Corporation Tole d'acier laminee a froid a haute resistance presentant d'excellentes proprietes de durcissement par vieillissement par l'ecrouissage
JP4069591B2 (ja) * 2000-02-29 2008-04-02 Ｊｆｅスチール株式会社 加工性に優れ、異方性の小さい冷延鋼板の製造方法
EP2312009A1 (en) * 2000-06-20 2011-04-20 JFE Steel Corporation Steel sheet and method for manufacturing the same
JP2002155489A (ja) * 2000-11-15 2002-05-31 Shikibo Ltd 製紙用ドライヤーカンバス
KR100482208B1 (ko) * 2000-11-17 2005-04-21 주식회사 포스코 침질처리에 의한 용접구조용 강재의 제조방법
JP2002327257A (ja) * 2001-04-26 2002-11-15 Nippon Steel Corp プレス成形性に優れた溶融アルミめっき鋼板とその製造方法
JP4319817B2 (ja) * 2001-11-19 2009-08-26 新日本製鐵株式会社 耐塩酸腐食性および耐硫酸腐食性に優れた低合金鋼およびその溶接継手
JP2003041342A (ja) * 2002-05-29 2003-02-13 Nkk Corp 打ち抜き性に優れる冷延鋼板
EP1518001A4 (en) * 2002-06-28 2006-01-11 Posco HIGH STRENGTH HIGH STRENGTH STEEL SHEET AND PROCESS FOR PRODUCING SAME
KR100928797B1 (ko) * 2002-12-26 2009-11-25 주식회사 포스코 대입열 용접열영향부 인성이 우수한 극저탄소 베이나이트강재 및 그 제조방법
JP4341396B2 (ja) * 2003-03-27 2009-10-07 Ｊｆｅスチール株式会社 低温靱性および溶接性に優れた高強度電縫管用熱延鋼帯

Also Published As

Publication number Publication date
KR100742929B1 (ko) 2007-07-25
KR20060115628A (ko) 2006-11-09
KR20060115644A (ko) 2006-11-09
KR20060115319A (ko) 2006-11-08
KR20060115614A (ko) 2006-11-09
CN101184858A (zh) 2008-05-21
KR100742948B1 (ko) 2007-07-25
CN100557058C (zh) 2009-11-04
TWI309263B (en) 2009-05-01
KR20060115317A (ko) 2006-11-08
KR100723159B1 (ko) 2007-05-30
KR20060115634A (ko) 2006-11-09
KR100723163B1 (ko) 2007-05-30
KR100742932B1 (ko) 2007-07-25
KR20060115626A (ko) 2006-11-09
KR20060115633A (ko) 2006-11-09
KR20060115639A (ko) 2006-11-09
CN101171356A (zh) 2008-04-30
CN101184858B (zh) 2010-12-08
KR20060115615A (ko) 2006-11-09
KR20060115623A (ko) 2006-11-09
MX2007013676A (es) 2008-01-28
KR100742936B1 (ko) 2007-07-25
KR100742951B1 (ko) 2007-07-25
KR100742950B1 (ko) 2007-07-25
JP2008540827A (ja) 2008-11-20
KR100742953B1 (ko) 2007-07-25
KR100742940B1 (ko) 2007-07-25
KR100723164B1 (ko) 2007-05-30
KR100742819B1 (ko) 2007-07-25
KR20060115629A (ko) 2006-11-09
KR20060115632A (ko) 2006-11-09
KR100742927B1 (ko) 2007-07-25
KR20060115621A (ko) 2006-11-09
TW200702456A (en) 2007-01-16
KR20060115313A (ko) 2006-11-08
KR20060115311A (ko) 2006-11-08
US20090126837A1 (en) 2009-05-21
KR20060115315A (ko) 2006-11-08
KR20060115318A (ko) 2006-11-08
KR100742926B1 (ko) 2007-07-25
KR100742944B1 (ko) 2007-07-25
JP4954980B2 (ja) 2012-06-20
KR20060115309A (ko) 2006-11-08
KR100742949B1 (ko) 2007-07-25
KR100742918B1 (ko) 2007-07-25
TWI327171B (en) 2010-07-11
CN101171355A (zh) 2008-04-30
KR100723158B1 (ko) 2007-05-30
KR20060115312A (ko) 2006-11-08
JP2008540825A (ja) 2008-11-20
KR20060115622A (ko) 2006-11-09
TW200702455A (en) 2007-01-16
KR100742934B1 (ko) 2007-07-25
TWI346141B (en) 2011-08-01
KR20060115646A (ko) 2006-11-09
KR100742947B1 (ko) 2007-07-25
MX2007013677A (es) 2008-01-28
KR100742955B1 (ko) 2007-07-25
KR100742930B1 (ko) 2007-07-25
KR20060115641A (ko) 2006-11-09
KR20060115640A (ko) 2006-11-09
KR20060115647A (ko) 2006-11-09
KR20060115636A (ko) 2006-11-09
KR100742931B1 (ko) 2007-07-25
KR100742952B1 (ko) 2007-07-25
KR100742919B1 (ko) 2007-07-25
KR20060115630A (ko) 2006-11-09
KR20060115642A (ko) 2006-11-09
KR20060115316A (ko) 2006-11-08
KR100742818B1 (ko) 2007-07-25
KR100723181B1 (ko) 2007-05-29
MX2007013675A (es) 2008-01-28
JP2008540826A (ja) 2008-11-20
KR100742943B1 (ko) 2007-07-25
KR20060115638A (ko) 2006-11-09
KR100742933B1 (ko) 2007-07-25
KR100742938B1 (ko) 2007-07-25
KR100723165B1 (ko) 2007-05-30
KR20060115624A (ko) 2006-11-09
KR20060115616A (ko) 2006-11-09
KR100742917B1 (ko) 2007-07-25
TW200702444A (en) 2007-01-16
KR100723216B1 (ko) 2007-05-29
KR20060115627A (ko) 2006-11-09
KR20060115314A (ko) 2006-11-08
KR100742945B1 (ko) 2007-07-25
KR100723160B1 (ko) 2007-05-30
JP4954981B2 (ja) 2012-06-20
KR20060115625A (ko) 2006-11-09
KR20060115320A (ko) 2006-11-08
KR100742935B1 (ko) 2007-07-25
KR20060115643A (ko) 2006-11-09
KR20060115635A (ko) 2006-11-09
KR20060115310A (ko) 2006-11-08
KR20060115631A (ko) 2006-11-09
KR100742941B1 (ko) 2007-07-25
KR20060115645A (ko) 2006-11-09
KR100742939B1 (ko) 2007-07-25
KR100742937B1 (ko) 2007-07-25
US20080185077A1 (en) 2008-08-07
KR100723182B1 (ko) 2007-05-29
KR20060115637A (ko) 2006-11-09
KR100723180B1 (ko) 2007-05-30
KR100742954B1 (ko) 2007-07-25

Similar Documents

Publication Publication Date Title
JP4964870B2 (ja) 面内異方性が低い高降伏比冷延鋼板及びその製造方法
JP2018536764A (ja) 成形性及び穴拡げ性に優れた超高強度鋼板及びその製造方法
JP2019527775A (ja) 成形性に優れた高強度薄鋼板及びその製造方法
JP6044207B2 (ja) 剛性に優れた薄鋼板の製造方法
WO2006118423A1 (en) Cold rolled steel sheet having superior formability , process for producing the same
KR101185337B1 (ko) 도금특성과 내2차가공취성이 우수한 상소둔 방식 고강도 냉연강판 및 그 제조 방법
KR20140041290A (ko) 냉연강판 및 그 제조 방법
EP1885899A1 (en) Cold rolled steel sheet having high yield ratio and less anisotropy, process for producing the same
WO2006118425A1 (en) Cold rolled steel sheet having superior formability and high yield ratio, process for producing the same
KR100957960B1 (ko) 가공성 및 표면품질이 우수한 냉연강판 및 그 제조방법
JP6051707B2 (ja) 剛性に優れた薄鋼板の製造方法
JPH05279798A (ja) 耐２次加工脆性に優れた時効硬化性を有する深絞り用高強度冷延鋼板およびその製造方法
KR20160138772A (ko) 고성형성의 열연 강판 및 이의 제조 방법

Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110419

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110715

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20111129

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120213

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120306

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120328

R150 Certificate of patent or registration of utility model

Ref document number: 4964870

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150406

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250