KR920004598A - 프레스성형으로 적합한 고장력 강판 및 그 제조방법 - Google Patents

프레스성형으로 적합한 고장력 강판 및 그 제조방법 Download PDF

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KR920004598A
KR920004598A KR1019910014243A KR910014243A KR920004598A KR 920004598 A KR920004598 A KR 920004598A KR 1019910014243 A KR1019910014243 A KR 1019910014243A KR 910014243 A KR910014243 A KR 910014243A KR 920004598 A KR920004598 A KR 920004598A
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steel sheet
high tensile
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effective
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스스무 마스이
게이 사카다
후사오 도카시
마사히코 모리타
도시유키 가토
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도오사키 시노부
가와사키 세이테츠 가부시키가이샤
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    • 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
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • C21D8/0447—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)
  • Mechanical Engineering (AREA)
  • Materials 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

내용 없음

Description

프레스성형으로 적합한 고장력 강판 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 인장특성과 Si함량 사이의 관계를 나타내고;
제2a도는 1000℃에서 재가열한 후에 열간압연강판의 결정입도로서 결과를 가진 C양과 Ti/C(중량비)사이의 관계를 나타낸 그래프이고;
제2b도는 1000℃에서 재가열한 후에 냉간압연강판의 결정입도로서 결과를 가진 C양과 Ti/C(중량비)사이의 관계를 나타낸 그래프이며;
제3a도는 Si 함량을 함유하지 않은 강판의(200)극점도이고;
제3b도는 1중량%의 Si함량을 함유한 강판의(200)극점도이며;
제3c도는 1.5중량%의 Si함량을 함유한 강판의 (200) 극점도이고; 및
제3d도는 2.0중량%의 Si함량을 함유한 강판의 (200)극점도이다.

Claims (12)

  1. C:0.01－0.1중량%, Si:0.1－1.2중량%, Mn: 3.0중량%이하, Ti:유효Ti(중량%)의 비는 상기 C(중량%)에서 하기식에 의해 나타나고, 즉 유효Ti(중량%)/C(중량%)는 4－12:유효Ti(중량%)=Ti(중량)－1.5S(중량%)－3.43N(중량%), B:0.0005－0.005중량%, Al:0.1중량%이하, P:0.1중량%이하, S:0.02중량%이하, 및 N:0.05중량%를 함유하는 조성물과 철 및 필수불가결한 불순물인 잔류물을 구성하는 프레스 성형로 적합한 고장력 강판.
  2. 제1항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 V:0.02－0.2중량%, b:0.02－0.2중량%, 및 Zr:0.02－0.2중량%에서 선택되어진 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  3. 제1항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 Cr:0.05－1.5중량%, Ni:0.05－2.0중량%, Mo:O.05－1.5중량%, 및 Cu:0.05－1.5중량%에서 선택되어진 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  4. 제1항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 V:0.02－0.2중량%, Nb:0.02－0.2중량%, Zr:O.02－0.2중량%, Cr:O.05－1.5중량%, Ni:0.05－2.0중량%, Mo:O.05－1.5중량%, 및 Cu:0.05－1.5중량%에서 선택되어진 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  5. C:0.01－0.1중량%, Si:0.1－1.2중량%, Mn: 3.0중량%이하, Ti:유효Ti(중량%)의 비는 상기 C(중량%)에서 하기식에 의해 나타나고, 즉 유효Ti(중량%)/C(중량%)는 4－12:유효Ti(중량%)=Ti(중량)－1.5S(중량%)－3.43(중량%), B:0.0005－0.005(중량%), Al:0.1중량%이하, P:0.1중량%이하, S:0.02중량%이하, 및 N:0.005중량%를 함유하는 조성물과 철 및 필수불가결한 불순물인 잔류물을 구성하는 프레스 성형로 적합한 고장력 강판.
  6. 제5항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 Cr:0.05－1.5중량%, Ni:0.05－2.0중량%, Mo:O.05－1.5중량%, 및 Cu:0.05－1.5중량%에서 선택된 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  7. 제5항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 Cr:0.05－1.5중량%, Ni:0.05－2.0중량%, Mo:O.05－1.0중량%, 및 Cu:0.05－1.5중량%에서 선택되어진 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  8. 제5항에 있어서, 한편 잔류물인 철의 일부를 대치하기 위해 V:0.02－0.2중량%, Nb:0.02－0.2중량%, Zr:O.02－0.2중량%, Cr:O.05－1.5중량%, Ni:0.05－2.0중량%, Mo:O.05－1.0중량%, 및 Cu:0.05－1.5중량%에서 선택되어진 하나 또는 하나이상의 종류를 함유하는 것을 특징으로 하는 고장력 강판.
  9. C:0.01－0.1중량%, Si:0.1－1.2중량%, Mn: 3.0중량%이하, Ti:유효Ti(중량%)의 비는 상기 C(중량%)에서 하기식에 의해 나타나고, 즉 유효Ti(중량%)/C(중량%)는 4－12:유효Ti(중량%)=Ti(중량)－1.5S(중량%)－3.43(중량%), B:0.0005－0.005중량%, Al:0.1중량%이하, P:0.1중량%이하, S:0.02중량%이하, 및 N:0.05중량%를 함유하는 강편을 준비하는 단계, 1100℃∼1280℃의 온도범위에서 강편을 가열하는 단계, 및 열간압연강판을 만들기 위해 강편을 연간압연하는 단계로 구성하는 프레스성형으로 적합한 고장력 강판을 제조하는 방법.
  10. 제9항에 있어서, 열간압연은 전기도금 또는 용해도금의 적용에 따르는 것을 특징으로 하는 방법.
  11. 제9항에 있어서, 한편 냉간압연강판을 만들기 위해 열가압연 강판을 냉간압연, 및 재결정온도보다 낮지 않은 온도에서 냉간압연 강판을 후에 어닐링하는 단계로 구성하는 것을 특징으로 하는 방법.
  12. 제11항에 있어서, 어닐링은 전기도금 또는 적용에 따르는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910014243A 1990-08-17 1991-08-17 프레스 성형으로 적합한 고장력 강판 및 그 제조방법 KR100199457B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21580590 1990-08-17
JP90-215805 1990-08-17
JP7219491 1991-03-13
JP91-72194 1991-03-13

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KR920004598A true KR920004598A (ko) 1992-03-27
KR100199457B1 KR100199457B1 (ko) 1999-06-15

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US (1) US5582658A (ko)
EP (1) EP0475096B2 (ko)
KR (1) KR100199457B1 (ko)
AU (1) AU641040B2 (ko)
CA (1) CA2049378C (ko)
DE (1) DE69130555T3 (ko)
ES (1) ES2125856T5 (ko)

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CN103131843B (zh) * 2013-01-02 2014-05-28 河北钢铁股份有限公司邯郸分公司 汽车结构件用低合金高强钢冷轧板的稳定化连续退火工艺
JP5618432B2 (ja) 2013-01-31 2014-11-05 日新製鋼株式会社 冷延鋼板およびその製造方法
JP5618433B2 (ja) * 2013-01-31 2014-11-05 日新製鋼株式会社 湿式多板クラッチ用クラッチプレートおよびその製造方法
JP5618431B2 (ja) 2013-01-31 2014-11-05 日新製鋼株式会社 冷延鋼板およびその製造方法

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CA2049378C (en) 2001-02-20
ES2125856T3 (es) 1999-03-16
KR100199457B1 (ko) 1999-06-15
AU8247491A (en) 1992-02-20
US5582658A (en) 1996-12-10
EP0475096B1 (en) 1998-12-02
ES2125856T5 (es) 2004-09-16
DE69130555T3 (de) 2004-06-03
CA2049378A1 (en) 1992-02-18
EP0475096B2 (en) 2004-01-14
AU641040B2 (en) 1993-09-09
DE69130555T2 (de) 1999-06-10
DE69130555D1 (de) 1999-01-14
EP0475096A1 (en) 1992-03-18

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