KR960034447A - 성형성이 우수한 박강판 및 그 제조방법 - Google Patents

성형성이 우수한 박강판 및 그 제조방법 Download PDF

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KR960034447A
KR960034447A KR1019960007049A KR19960007049A KR960034447A KR 960034447 A KR960034447 A KR 960034447A KR 1019960007049 A KR1019960007049 A KR 1019960007049A KR 19960007049 A KR19960007049 A KR 19960007049A KR 960034447 A KR960034447 A KR 960034447A
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weight
temperature
steel slab
rolling
steel sheet
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KR1019960007049A
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KR100259404B1 (ko
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에이꼬 야스하라
게이 사까따
도시유끼 가또오
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에모또 간지
가와사끼세이데쓰 가부시끼가이샤
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    • 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
    • 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
    • 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
    • C21D8/041—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 involving a particular fabrication or treatment of ingot or slab
    • 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
    • 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
    • C21D8/0473—Final recrystallisation annealing

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  • 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)
  • Heat Treatment Of Steel (AREA)

Abstract

[목 적]
전 시장 및 r치가 동시에 높고 드프 드로잉성이 우수한 박강판을 얻는 것.
[구 성]
C : 0.001중량% 이하, Si : 0.1중량% 이하, Mn : 0.3중량% 이하, P : 0.05중량% 이하, S : 0.003중량% 이하, Al : 0.1중량% 이하, N : 0.002중량% 이하, Ti : 0.005~0.02중량%, Nb : 0.001~0.1중량%를 함유하고, 또, C, S 및 N은 C+S+N≤0.004중량% 그리고, Ti와 C는 하기식 :
4×(C중량%)≤(Ti중량%)-48/14(N중량%)-48/32(S중량%)≤12×(C중량%)
을 만족하도록 함유하고, 또한 , 필요에 따라서 B를 0.0001~0.0010중량% 첨가한 강 슬라이브를, 900~1300℃의 온도범위로 균열유지하고, Ac3변태점 이상으로 열간 마무리 압연을 행하여 659℃ 이하의 온도로 권취, 산세척 후, 압하율 65~90%의 냉간압연을 행하고 나서 700~950℃로 재결정 어닐링을 실시함으로써 제조한다.

Description

성형성이 우수한 박강판 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 r치 및 E1치에 미치는 (C중량%+N중량%+S중량%) 및, Ti*/C의 영향을 나타내는 도면, 제2도는 r치 및 E1치에 미치는 T(K)×[(C중량%+(S중량%)]의 영향을 나타내는 도면.

Claims (4)

  1. C : 0.001중량% 이하, Si : 0.1중량% 이하, Mn : 0.3중량% 이하, P : 0.05중량% 이하, S : 0.003중량% 이하, Al : 0.1중량% 이하, N : 0.002중량% 이하, Ti : 0.005~0.02중량%, Nb : 0.001~0.1중량%를 함유하고, 또, C,S 및 N은 C+S+N≤0.004중량%의 관계를 만족하게 함유하고, 그리고, Ti는, C, S 및 N과의 관계에 있어서, 하기식:
    4×(C중량%)≤(Ti중량%)-48/14(N중량%)≤12×(C중량%)
    을 만족하도록 함유하고, 잔부는 Fe 및 불가피한 불순물로 이루어지는 성형성이 우수한 박강판(薄鋼板).
  2. 제1항에 있어서, 추가로 합금원소로서 B : 0.0001~0.0010중량%를 함유하는 것을 특징으로 하는 성형성이 우수한 박강판.
  3. 제1항에 있어서, 기재된 성분조성으로 이루어지는 강 슬라브를, 900~1300℃의 온도범위이면서 하기식 :
    T(K)×(C중량%+S중량%)≤4.0
    의 조건을 만족하는 온도 T(K)로 균열유지하고, 그후, 열간 마무리 압연온도 : Ac3변태점 이상의 열간압연을 행하고, 650℃ 이하의 온도에서 권취, 산세 후에 65~90%의 압하율로 냉간압연을 행하고, 그후, 700~950℃의 온도범위에서 재결정 어닐링을 행하는 것을 특징으로 하는 성형성이 우수한 박강판의 제조방법.
  4. 청구항 제2청구항에 기재된 성분조성으로 이루어지는 강 슬라브를, 900~1300℃의 온도범위이면서 하기식 :
    T(K)×(C중량%+S중량%)≤4.0
    의 조건을 만족하는 온도 T(K)로 균열유지하고, 그후, 열간 마무리 압연온도 : Ac3변태점 이상의 열간압연을 행하고, 650℃ 이하의 온도에서 권취, 산세 후에 65~90%의 압하율로 냉간압연을 행하고, 그후, 700~950℃의 온도범위에서 재결정 어닐링을 행하는 것을 특징으로 하는 성형성이 우수한 박강판의 제조방법.
    참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960007049A 1995-03-16 1996-03-15 성형성이 우수한 박강판 및 그 제조방법 KR100259404B1 (ko)

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JP95-57532 1995-03-16
JP05753295A JP3420370B2 (ja) 1995-03-16 1995-03-16 プレス成形性に優れた薄鋼板およびその製造方法

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KR100259404B1 KR100259404B1 (ko) 2000-06-15

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US (1) US5846343A (ko)
EP (1) EP0732412B1 (ko)
JP (1) JP3420370B2 (ko)
KR (1) KR100259404B1 (ko)
CN (1) CN1063802C (ko)
CA (1) CA2171920A1 (ko)
DE (1) DE69618263T2 (ko)
TW (1) TW374800B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482199B1 (ko) * 2000-12-22 2005-04-13 주식회사 포스코 드로잉성이 우수한 냉연강판 및 그 제조방법
KR100564885B1 (ko) * 2003-12-30 2006-03-30 주식회사 포스코 소부경화성과 상온 내시효성이 우수한 소부경화형냉연강판 및 그 제조방법

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WO1996026300A1 (fr) * 1995-02-23 1996-08-29 Nippon Steel Corporation Tole d'acier laminee a froid et tole galvanisee par immersion a chaud, presentant une usinabilite remarquablement uniforme, et procede de production de ces toles
TW515847B (en) * 1997-04-09 2003-01-01 Kawasaki Steel Co Coating/baking curable type cold rolled steel sheet with excellent strain aging resistance and method for producing the same
JPH1150211A (ja) * 1997-08-05 1999-02-23 Kawasaki Steel Corp 深絞り加工性に優れる厚物冷延鋼板およびその製造方法
KR100359241B1 (ko) * 1998-12-09 2002-12-18 주식회사 포스코 초고가공용 고강도 합금화 용융아연도금강판의 제조방법
KR100545086B1 (ko) * 2001-12-19 2006-01-24 주식회사 포스코 드로잉성 및 장출 성형성이 향상되는 극저탄소강과 이를이용한 고강도 냉연 또는 아연도금강판의 제조방법
US7927275B2 (en) * 2002-08-26 2011-04-19 The Cleveland Clinic Foundation System and method of aquiring blood-vessel data
KR101048061B1 (ko) * 2003-12-15 2011-07-11 주식회사 포스코 저온 소둔형 석출강화형 고강도강판의 제조방법
CN100396808C (zh) * 2004-05-28 2008-06-25 宝山钢铁股份有限公司 具有优良抗鳞爆性和超深冲性的冷轧搪瓷钢及其制造方法
EP1888799B1 (en) * 2005-05-03 2017-03-15 Posco Cold rolled steel sheet having superior formability, process for producing the same
KR100723182B1 (ko) * 2005-05-03 2007-05-29 주식회사 포스코 소성이방성이 우수한 냉연강판과 그 제조방법
KR100685030B1 (ko) * 2005-07-08 2007-02-20 주식회사 포스코 내2차가공취성, 피로특성 및 도금특성이 우수한 심가공용박강판 및 그 제조방법
KR100711362B1 (ko) * 2005-12-07 2007-04-27 주식회사 포스코 도금특성 및 연신특성이 우수한 고강도 박강판 및 그제조방법
JP5050459B2 (ja) * 2006-09-14 2012-10-17 Ｊｆｅスチール株式会社 磁気特性及び耐バリ性に優れた自動車用オルタネータ用の巻きコア用冷延鋼板
JP5407591B2 (ja) * 2008-07-22 2014-02-05 Ｊｆｅスチール株式会社 冷延鋼板及びその製造方法並びにバックライトシャーシ
CN101509102B (zh) * 2009-03-27 2011-01-05 攀钢集团研究院有限公司 热轧低碳冲压用钢及其生产方法
CN101892420B (zh) * 2010-07-29 2012-09-19 中国计量学院 一种制备高强高韧FeMnC合金钢的再结晶退火工艺
DE102022209626A1 (de) * 2022-09-14 2024-03-14 Sms Group Gmbh Verfahren zur Herstellung von kohlenstoffarmen-Stahlbändern

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JPS63121623A (ja) * 1986-11-11 1988-05-25 Kawasaki Steel Corp 耐リジング性と化成処理性に優れる深絞り用冷延鋼板の製造方法
US4931106A (en) * 1987-09-14 1990-06-05 Kawasaki Steel Corporation Hot rolled steel sheet having high resistances against secondary-work embrittlement and brazing embrittlement and adapted for ultra-deep drawing and a method for producing the same
DE69014532T2 (de) * 1989-08-09 1995-05-04 Kobe Steel Ltd Verfahren zur Herstellung eines Stahlbleches.
CA2037316C (en) * 1990-03-02 1997-10-28 Shunichi Hashimoto Cold-rolled steel sheets or hot-dip galvanized cold-rolled steel sheets for deep drawing
JP3185227B2 (ja) * 1991-01-07 2001-07-09 日本鋼管株式会社 極めて優れた深絞り成形性と張出し成形性を有する冷延鋼板の製造方法
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JPH06158175A (ja) * 1992-11-17 1994-06-07 Kobe Steel Ltd 超深絞り用冷延鋼板の製造方法
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482199B1 (ko) * 2000-12-22 2005-04-13 주식회사 포스코 드로잉성이 우수한 냉연강판 및 그 제조방법
KR100564885B1 (ko) * 2003-12-30 2006-03-30 주식회사 포스코 소부경화성과 상온 내시효성이 우수한 소부경화형냉연강판 및 그 제조방법

Also Published As

Publication number Publication date
CA2171920A1 (en) 1996-09-17
DE69618263T2 (de) 2002-08-08
CN1141352A (zh) 1997-01-29
TW374800B (en) 1999-11-21
EP0732412A3 (en) 1997-07-09
EP0732412B1 (en) 2002-01-02
CN1063802C (zh) 2001-03-28
EP0732412A2 (en) 1996-09-18
DE69618263D1 (de) 2002-02-07
US5846343A (en) 1998-12-08
JP3420370B2 (ja) 2003-06-23
JPH08253840A (ja) 1996-10-01
KR100259404B1 (ko) 2000-06-15

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