KR970058805A - 극저 탄소 냉간압연강판 제조 방법 - Google Patents

극저 탄소 냉간압연강판 제조 방법 Download PDF

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Publication number
KR970058805A
KR970058805A KR1019970001283A KR19970001283A KR970058805A KR 970058805 A KR970058805 A KR 970058805A KR 1019970001283 A KR1019970001283 A KR 1019970001283A KR 19970001283 A KR19970001283 A KR 19970001283A KR 970058805 A KR970058805 A KR 970058805A
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South Korea
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molten steel
alloy
metal
cold rolled
steel sheet
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KR1019970001283A
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English (en)
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KR100233690B1 (ko
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세이지 나베시마
하까루 나까또
겐이찌 소리마찌
Original Assignee
에모또 간지
가와사끼 세이떼쓰 가부시끼가이샤
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Publication of KR970058805A publication Critical patent/KR970058805A/ko
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Publication of KR100233690B1 publication Critical patent/KR100233690B1/ko

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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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/108—Feeding additives, powders, or the like
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of 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
    • 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
    • C22C38/04—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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Continuous Casting (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

본 발명은 Ti함유 알루미길드강의 연속주조에서의 노즐 폐색이 없고, 또한 슬라브 잉곳의 표면결함이 없는 극저탄소 냉간압연강판의 유효한 제조 방법에 관한 것으로서, 탈탄처리후의 용강중에 Al, Si, 또는 Ai과 Si를 첨가하여 반(半) 탈산하고, 이어서 함유물질을 첨가하여 다시 탈산함으로써, 상기 용강중의 주성분을 Ti와 Al의 복합산화물, Ti와 Si의 복합산화물, 또는 Ti, Al 및 Si를 복합산화물로 한 용강을 용제(溶劑)하고, 이어서 이 용강을 연속주조, 열간압연 및 냉간압연 및 냉간압연을 거쳐 700℃∼Ac₃변태점의 온도범위에서 연속적으로 아닐링 한는 방법에 관한 것이다.

Description

극저 탄소 냉간압연강판 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 용강중의 Al량과 턴디시(turndish) 노즐의 Al₂O₃의 부착량(지수)관계를 나타내는 도면이다.

Claims (5)

  1. 극저탄소 냉간압연강판 제조 방법에 있어서, C≤0.005wt%, Mn≤1.0wt%를 함유하는 탈탄처리후의 용강중에, Al, Si, 또는 Al 및 Si를 첨가하여 반탈산 용강으로 하고, 이 반탈산 용강중에 금속 Ti, Ti 합금, 또는 금속 Ti 및 Ti 합금을 첨가하여 다시 탈산하고, Al≤0.005wt%, Si≤0.20wt%, Ti:0.01∼0.10wt%를 함유하는 용강으로 함과 동시에, 상기 용강중의 함유물의 주성분을 Ti와 Al의 복합산화물, Ti와 Si의 복합산화물, 또는 Tl, Al 및 Si의 복합산화물로 한용강을 용제하고, 이어서 이 용강을 연속주조하고, 그 후, 열간압연 및 냉간압연을 거친 후, 얻어진 냉가압연강판을 연속적으로 아닐링하는 것을 특징으로 하는 극저탄소 냉간압연강판 제조링법.
  2. 제 1항에 있어서, 냉간압연강판을 700℃∼Ac₃변태점의 온도범위에서 연속적으로 아닐링하는 것을 특징으로 하는 극저탄소 냉간압연강판 제조 방법
  3. 제 1항에 있어서, Ti탈산용강중에 금속 Nb, Nb합금 또는 금속 Nb 및 Nb합금을 첨가하고, 용강중의 Nb 함류량을 Nb≤0.03wt%로 하는 것을 특징으로 하는 극저탄소 냉간압연강판 제조 방법
  4. 제 1항에 있어서, Ti탈산용강중에 금속 B, B합금, 또는 금속 B 및 B 합금을 첨가하고, 용강중의 B함유량을 B≤0.002wt%로 하는 것을 특징으로 하는 극저탄소 냉간압연강판 제조 방법
  5. 제 1항에 있어서, Ti탈산용강중에 금속 Nb, Nb합금, 또는 금속 Nb 및 Nb합금과, 금속 B, B합금, 또는 금속 B 및 B 합금을 첨가하고, 용강중의 Nb함류량을 Nb≤0.03wt% 및 B 함류량을 B≤0.002wt%로 하는 것을 특징으로 하는 극저탄소 냉간압연강판 제조 방법
    ※참고사항 : 최초출원 내용에 의하여 공개하는 것임
KR1019970001283A 1996-01-19 1997-01-17 극저탄소 냉간압연강판 제조 방법 KR100233690B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP96-007771 1996-01-19
JP00777196A JP3422612B2 (ja) 1996-01-19 1996-01-19 極低炭素冷延鋼板の製造方法

Publications (2)

Publication Number Publication Date
KR970058805A true KR970058805A (ko) 1997-08-12
KR100233690B1 KR100233690B1 (ko) 1999-12-01

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Country Status (8)

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US (1) US5879479A (ko)
EP (1) EP0785283A1 (ko)
JP (1) JP3422612B2 (ko)
KR (1) KR100233690B1 (ko)
CN (1) CN1048285C (ko)
BR (1) BR9700715A (ko)
CA (1) CA2195369A1 (ko)
TW (1) TW330213B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101366977B1 (ko) * 2012-03-08 2014-02-24 제이에프이 스틸 가부시키가이샤 진공 탈가스 시스템을 이용하는 잉곳 기술에 의한 극저탄소강의 제조방법

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TW408184B (en) * 1997-09-29 2000-10-11 Kawasaki Steel Co Manufacturing method for producing Titanium killed steel with smooth surface texture
US5868875A (en) * 1997-12-19 1999-02-09 Armco Inc Non-ridging ferritic chromium alloyed steel and method of making
US6855213B2 (en) 1998-09-15 2005-02-15 Armco Inc. Non-ridging ferritic chromium alloyed steel
WO1999041421A1 (fr) * 1998-02-17 1999-08-19 Nippon Steel Corporation Acier pour toles fines possedant une excellente aptitude a l'usinage et procede de desoxydation de celui-ci
EP1029938A3 (en) * 1999-02-18 2003-10-15 Nippon Steel Corporation Rolled steel having few inclusion defects
NL1013776C2 (nl) * 1999-06-04 2000-12-06 Corus Staal Bv Ultra Low Carbon staal en werkwijze voor de vervaardiging daarvan.
WO2002048409A1 (fr) * 2000-12-13 2002-06-20 Kawasaki Steel Corporation Procede servant a fabriquer un acier possedant une teneur elevee en azote et extremement basse en carbone
KR100743367B1 (ko) * 2001-07-04 2007-07-26 주식회사 포스코 저탄소, 저질소 타이타늄 안정화 스테인레스강의 정련 방법
KR100554142B1 (ko) * 2001-12-07 2006-02-20 주식회사 포스코 인바용강의 정련방법
FR2833970B1 (fr) * 2001-12-24 2004-10-15 Usinor Demi-produit siderurgique en acier au carbone et ses procedes de realisation, et produit siderurgique obtenu a partir de ce demi-produit, notamment destine a la galvanisation
FR2853668A3 (fr) * 2003-04-08 2004-10-15 Usinor Tole fine en acier bas carbone et tres bas aluminium, notamment pour emballage, et son procede d'obtention
CN100368577C (zh) * 2005-12-29 2008-02-13 攀枝花钢铁(集团)公司 细化型钢晶粒的生产方法
CN102174683B (zh) * 2011-01-30 2012-10-10 首钢总公司 一种通板力学性能均匀的冷轧低碳铝镇静钢的生产方法
CN109304367B (zh) * 2018-11-08 2021-01-15 瓯锟科技温州有限公司 一种钛-钢-钛复合板材及其制备方法
CN111187874A (zh) * 2020-03-02 2020-05-22 马鞍山钢铁股份有限公司 一种降低c≤0.0030%的超低碳搪瓷钢铸坯气孔缺陷的生产方法
WO2022009849A1 (ja) * 2020-07-08 2022-01-13 Ｊｆｅスチール株式会社 極低炭素鋼製品の製造方法

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JPS6045689B2 (ja) * 1982-02-19 1985-10-11 川崎製鉄株式会社 プレス成形性にすぐれた冷延鋼板の製造方法
JPS6179745A (ja) * 1984-09-28 1986-04-23 Nippon Steel Corp 溶接継手熱影響部靭性のすぐれた鋼材の製造法
DE3528782A1 (de) * 1985-08-10 1987-02-19 Hoesch Stahl Ag Verfahren zum herstellen eines alterungsbestaendigen bandstahles mit hoher kaltumformbarkeit
US5053194A (en) * 1988-12-19 1991-10-01 Kawasaki Steel Corporation Formable thin steel sheets
EP0572666B1 (en) * 1991-02-20 1998-05-06 Nippon Steel Corporation Cold-rolled steel sheet and galvanized cold-rolled steel sheet which are excellent in formability and baking hardenability, and production thereof
JPH07268440A (ja) * 1994-03-28 1995-10-17 Nippon Steel Corp 溶鋼の脱酸方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101366977B1 (ko) * 2012-03-08 2014-02-24 제이에프이 스틸 가부시키가이샤 진공 탈가스 시스템을 이용하는 잉곳 기술에 의한 극저탄소강의 제조방법

Also Published As

Publication number Publication date
TW330213B (en) 1998-04-21
CN1048285C (zh) 2000-01-12
CA2195369A1 (en) 1997-07-20
BR9700715A (pt) 1998-10-06
JPH09192804A (ja) 1997-07-29
CN1167157A (zh) 1997-12-10
US5879479A (en) 1999-03-09
KR100233690B1 (ko) 1999-12-01
JP3422612B2 (ja) 2003-06-30
EP0785283A1 (en) 1997-07-23

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