KR840005361A - 조정된 현미경 조직을 얻는 열연대판 제품의 열처리 가공압연의 방법 및 장치 - Google Patents

조정된 현미경 조직을 얻는 열연대판 제품의 열처리 가공압연의 방법 및 장치 Download PDF

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KR840005361A
KR840005361A KR1019830003225A KR830003225A KR840005361A KR 840005361 A KR840005361 A KR 840005361A KR 1019830003225 A KR1019830003225 A KR 1019830003225A KR 830003225 A KR830003225 A KR 830003225A KR 840005361 A KR840005361 A KR 840005361A
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thermostat
hot
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에드워드 토마스 죤 (외 2)
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죠지 윌리암 티핀스
티핀즈 머시너리 캄파니 인코포레이티드
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/228—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length skin pass rolling or temper rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B21B2045/006—Heating the product in vacuum or in inert atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/04—Ferritic rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/06—Thermomechanical 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0231—Warm 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Control Of Metal Rolling (AREA)
  • Heat Treatment Of Steel (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Microscoopes, Condenser (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
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Abstract

내용 없음

Description

조정된 현미경 조직을 얻는 열연대판 제품의 열처리 가공압연의 방법 및 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 종래 기술의 표준적인 반연속 호트스트립밀의 약도.
제2도는 제1도의 종래 기술의 호트스트립밀에 보온장치를 추가한 약도.
제3도는 열간반전압연기 및 보온장치를 사용한 미니호트스트립밀.
제4도는 인라인형 조질(調質)압연기를 사용한 제3도의 미니밀의 변경태양을 나타내는 약도.
제5도는 열간반전압연기와 같은 열에 2개의 보온장치를 사용하는 것을 나타내는 다른 실시태양.
제6도는 인라인 조질압연기를 포함한 제5도의 미니밀의 다른 변경태양.
제7도는 표준적인 철탄소계 상태도.
제8도는 저탄소강에 대해서의 표준적 TTT선도.
제9도는 판재압연장치와 조합시킨 본 발명을 나타내는 약도.

Claims (19)

  1. 강의 열연대판 제품을 열처리가공적으로 압연하여 조정된 현미경 조직으로 하는 방법에 있어서, 대판을 A3보다도 높은 온도로 최종압연 스탠트에서 분리하는 공정과, 상기 대판을 제1의 냉각수단에 의하여 A3보다 낮은 온도까지 냉각하는 공정과, 대판을 보온장치의 가운데에서 권취하는 공정과, 대판을 보온장치의 가운데에서 A1및 A3온도의 사이에 유지하여 오우스테나이트중의 페라이트 입자의 핵생성 및 성장을 촉진하는 공정과, 대판을 보온장치의 밖으로 해연(解延)하는 공정과, 보온장치에서 나온 상기 대판을 제2의 냉각수단으로 냉각하여 결정입의 성장 및 탄화물의 입대화를 최소한으로 억제하는 공정을 순차로 포함한 방법.
  2. 제1항 기재의 방법으로서, 공정(F)의 대판을 약 149℃(300℉)이하까지 급속히 냉각하는 공정과, 상기 급속히 냉각된 대판을 인라인적으로 조질압연(調質壓延)하는 공정을 포함한 방법.
  3. 강의 열연대판 제품을 열처리 가공적으로 압연하여 조정된 현미경조직으로 하는 방법에 있어서, 반전압연기를 사용하여 표준적인 변형 스케주울로 A3보다도 실질적으로 높은 온도에 있어서 최후로부터 두번째의 패스를 통하는 열간반전 방식으로 대판제품을 압연하는 공정과, 대판을 A3보다도 약10℃(50℉)높은 온도까지 런아우트 테이블상에서 냉각하는 공정과, 대판을 보온장치의 가운데에서 냉각하여 온도를 균일하게 하는 공정과, 대판의 최종압연을 행하는 공정과, 대판을 런아우트 테이블상에서 냉각하는 공정을 순차로 포함한 방법.
  4. 제3항 기재의 방법으로서, 최종변형후의 대판을 약 593℃(1100℉)까지 런아우트 테이블상에서 냉각하는 공정과, 대판을 보온장치의 가운데에서 권치하는 공정과, 런아우트 테이블상에서의 냉각에 앞서 대판을 보온장치의 가운데에 보지하는 것에 의하여 온도를 균일하게 하는 공정을 포함한 방법.
  5. 제3항 기재의 방법으로서, 최종변형후의 대판을 열간반전압연기 권취기의 하나의 가운데에 보지하는 공정과, 대판을 런아우트 테이블상에서 급속히 냉각하는 공정을 포함한 방법.
  6. 제5항 기재의 방법으로서, 대판을 약 149℃(300℉)까지 급속히 냉각하는 공정과, 대판을 인라인적으로 조질압연하는 공정을 포함한 방법.
  7. 제3항 기재의 방법으로서, 대판을 실질적 변형에 의하여 최종압연하는 공정과 대판을 보온장치의 가운데에 보지하여 재결정을 촉진하는 공정을 포함한 방법.
  8. 제7항의 기재의 방법으로서, 대판을 약 149℃(300℉)까지 급속히 냉각하는 공정과, 대판을 인라인적으로 조질압연하는 공정을 포함한 방법
  9. 최종압연스탠드 및 그 하류층의 런아우트 냉각수단을 포함한 슬라브를 열연대판에 압연하는 호트스트립밀에 있어서, 열연대판의 권치 및 해연(解延)을 행할 수가 있는 보온장치를 런아우트 냉각수단의 중간에 배설하여, 보온장치의 상측에 제1의 냉각수단을 보온장치의 하측에 제2의 냉각수단을 형성하도록 구성된 것을 특징으로 하는 호트스트립밀.
  10. 제9항의 기재의 호트스트립밀로서, 보온장치에 열입력을 공급하도록 보온장치의 관련시킨 가열수단을 포함한 물건.
  11. 제9항의 기재의 호트스트립밀로서, 보온장치에 불활성가스, 산화성가스 및 환원성가스의 하나를 공급하도록 보온장치와 관련시킨 가스도입수단을 포함한 물건.
  12. 제9항 기재의 호트스트립밀로서, 제2의 런아우트 냉각수단의 하측에 배치된 조질압연기 및 슬릿터의 적어도 일방을 포함한 물건.
  13. 제12항 기재의 호트스트립밀로서, 조질압연기 및 슬릿터의 적어도 일방의 하측에 배치된 권취기를 포함한 물건.
  14. 제9항 기재의 호트스트립밀로서, 호트스트립밀의 최종압연스탠드는 열간반전압연기를 포함한 물건.
  15. 제14항 기재의 호트스트립밀로서, 열간반전 스탠드의 상측 및 하측에 배치된 권취기를 포함하고, 상기 하측권취기는 제1의 냉각수단의 상측에 있는 물건.
  16. 제15항 기재의 호트스트립밀로서, 제2의 냉각수단의 하측에 배치된 권취 및 해연을 행할 수가 있는 제2의 보온장치를 포함한 물건.
  17. 제16항 기재의 호트스트립밀로서, 제2의 보온장치의 하측에 제3의 냉각수단을 포함한 물건.
  18. 제17항의 기재의 호트스트립밀로서, 제3의 냉각수단의 하측에 배치된 조질압연기 및 슬릿터의 적어도 일방을 포함한 물건.
  19. 양측으로 권취기를 지니고 최종압연패스를 행하고저 배치된 열간반전압연기와, 열간반전압연기의 하측에 있어 제1 및 제2의 냉각수단을 포함한 런아우트 테이블과, 열간반전 압연기에서 대판을 수취하여 권취하는 것 및 대판을 반대방향으로 권취할 수가 있는 보온장치를 포함하고, 상기 보온장치를 제1 및 제2의 냉각수단의 중간에 배치한 것을 특징으로 하는 호트스트립밀.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830003225A 1982-07-13 1983-07-13 열연대판 강제품의 열처리 가공 압연방법 및 장치 KR870002184B1 (ko)

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US397789 1982-07-13
US06/397,789 US4505141A (en) 1982-07-13 1982-07-13 Apparatus for thermomechanically rolling hot strip product to a controlled microstructure

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JPH0747166B2 (ja) * 1986-07-02 1995-05-24 川崎製鉄株式会社 厚鋼板の制御冷却設備
DE3721641C1 (de) * 1987-07-01 1989-01-12 Thyssen Stahl Ag Verfahren zur Herstellung von Warmband
FR2704238B1 (fr) * 1993-04-19 1995-07-21 Lorraine Laminage Procede de fabrication sous forme de bobines d'une bande d'acier laminee a chaud.
US6264767B1 (en) 1995-06-07 2001-07-24 Ipsco Enterprises Inc. Method of producing martensite-or bainite-rich steel using steckel mill and controlled cooling
US5810951A (en) * 1995-06-07 1998-09-22 Ipsco Enterprises Inc. Steckel mill/on-line accelerated cooling combination
US5743125A (en) * 1995-09-06 1998-04-28 Sms Schloemann-Siemag Aktiengesellschaft Hot strip production plant for rolling thin rolled strip
US6309482B1 (en) 1996-01-31 2001-10-30 Jonathan Dorricott Steckel mill/on-line controlled cooling combination
GB9802443D0 (en) * 1998-02-05 1998-04-01 Kvaerner Metals Cont Casting Method and apparatus for the manufacture of light gauge steel strip
DE19815032A1 (de) * 1998-04-03 1999-10-07 Schloemann Siemag Ag Walzverfahren für ein Metallband
JP6023563B2 (ja) * 2012-11-19 2016-11-09 アイシン精機株式会社 ロール成形方法およびロール成形装置
CN111604697B (zh) * 2020-05-31 2021-05-14 日照宝华新材料有限公司 一种薄规格低碳钢横折缺陷的控制方法

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US4505141A (en) 1985-03-19
ES534292A0 (es) 1985-07-01
JPS5953625A (ja) 1984-03-28
ES523187A0 (es) 1984-12-01
DE3378219D1 (en) 1988-11-17
NO831893L (no) 1984-01-16
KR870002184B1 (ko) 1987-12-28
NZ204339A (en) 1986-09-10
AU1431383A (en) 1984-01-19
ATE37903T1 (de) 1988-10-15
CA1217076A (en) 1987-01-27
JPS6366366B2 (ko) 1988-12-20
MX162612A (es) 1991-05-31
ZA833092B (en) 1984-04-25
BR8302867A (pt) 1984-04-17
EP0099520A3 (en) 1985-07-31
AU548547B2 (en) 1985-12-19
EP0099520A2 (en) 1984-02-01
FI832534A0 (fi) 1983-07-12
ES8506211A1 (es) 1985-07-01
FI832534L (fi) 1984-01-14
ES8501646A1 (es) 1984-12-01
EP0099520B1 (en) 1988-10-12

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