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EP0211681A3 - Continuous annealing method and apparatus for deep drawable extra-low carbon steel - Google Patents

Continuous annealing method and apparatus for deep drawable extra-low carbon steel Download PDF

Info

Publication number
EP0211681A3
EP0211681A3 EP86306234A EP86306234A EP0211681A3 EP 0211681 A3 EP0211681 A3 EP 0211681A3 EP 86306234 A EP86306234 A EP 86306234A EP 86306234 A EP86306234 A EP 86306234A EP 0211681 A3 EP0211681 A3 EP 0211681A3
Authority
EP
European Patent Office
Prior art keywords
extra
low carbon
carbon steel
continuous annealing
annealing method
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.)
Granted
Application number
EP86306234A
Other versions
EP0211681B1 (en
EP0211681A2 (en
Inventor
Takashi C/O Technical Research Division Obara
Kazunori C/O Technical Research Division Osawa
Susumu C/O Technical Research Division Satoh
Kozou C/O Technical Research Division Tsunoyama
Toshikazu C/O Chiba Works Kaihara
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.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to AT86306234T priority Critical patent/ATE103011T1/en
Publication of EP0211681A2 publication Critical patent/EP0211681A2/en
Publication of EP0211681A3 publication Critical patent/EP0211681A3/en
Application granted granted Critical
Publication of EP0211681B1 publication Critical patent/EP0211681B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C21D9/56—Continuous furnaces for strip or wire
    • 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

Landscapes

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

Abstract

A method and an apparatus for continuously annealing extra-low carbon steels are disclosed. The apparatus for practising the method comprises a heating zone, a temperature regulating zone having a large heating capacity per unit length of steel sheet and a good response, a rapid cooling zone and a final cooling zone.
EP86306234A 1985-08-13 1986-08-12 Continuous annealing method for deep drawable extra-low carbon steel Expired - Lifetime EP0211681B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86306234T ATE103011T1 (en) 1985-08-13 1986-08-12 PROCESS FOR THE CONTINUOUS HEAT TREATMENT OF VERY LOW CARBON STEELS, WHICH CAN BE DEEP DRAWING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17681785 1985-08-13
JP176817/85 1985-08-13

Publications (3)

Publication Number Publication Date
EP0211681A2 EP0211681A2 (en) 1987-02-25
EP0211681A3 true EP0211681A3 (en) 1990-06-06
EP0211681B1 EP0211681B1 (en) 1994-03-16

Family

ID=16020362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86306234A Expired - Lifetime EP0211681B1 (en) 1985-08-13 1986-08-12 Continuous annealing method for deep drawable extra-low carbon steel

Country Status (11)

Country Link
EP (1) EP0211681B1 (en)
JP (1) JPS62124233A (en)
KR (1) KR910001607B1 (en)
CN (1) CN1012826B (en)
AT (1) ATE103011T1 (en)
BE (1) BE905254A (en)
CA (1) CA1274157A (en)
DE (1) DE3689714T2 (en)
ES (1) ES2000607A6 (en)
FR (1) FR2586257B1 (en)
IT (1) IT1197864B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19860472A1 (en) * 1998-12-28 2000-07-06 Bosch Gmbh Robert Process for tempering steel strips
CN101921949B (en) * 2010-07-22 2012-01-25 首钢总公司 Continuous annealing production method of cold-rolled sheet No.45 steel

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385946A (en) * 1965-04-16 1968-05-28 Westinghouse Electric Corp Continuous annealing method and apparatus
DE2056313B2 (en) * 1969-11-14 1972-11-09 Nippon Kokan K.K., Tokio Continuous tempering process for cold-rolled, deep-drawable strip
DE2942338A1 (en) * 1978-10-21 1980-04-24 Nippon Steel Corp METHOD FOR PRODUCING AGING-RESISTANT COLD-ROLLED STEEL STRIP
EP0112027A1 (en) * 1982-11-12 1984-06-27 Kawasaki Steel Corporation A method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5794524A (en) * 1980-12-04 1982-06-12 Nippon Kokan Kk <Nkk> Method for continuous annealing
JPS60106919A (en) * 1983-11-15 1985-06-12 Kawasaki Steel Corp Method for continuously annealing cold rolled dead soft steel sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385946A (en) * 1965-04-16 1968-05-28 Westinghouse Electric Corp Continuous annealing method and apparatus
DE2056313B2 (en) * 1969-11-14 1972-11-09 Nippon Kokan K.K., Tokio Continuous tempering process for cold-rolled, deep-drawable strip
DE2942338A1 (en) * 1978-10-21 1980-04-24 Nippon Steel Corp METHOD FOR PRODUCING AGING-RESISTANT COLD-ROLLED STEEL STRIP
EP0112027A1 (en) * 1982-11-12 1984-06-27 Kawasaki Steel Corporation A method of manufacturing cold rolled steel sheets for extra deep drawing with an excellent press formability

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol.6, no.180 (C-125)(1058), 14 September 1982 & JP-A-57 094524 (NIPPON KOKAN) 12-06-1982 *

Also Published As

Publication number Publication date
BE905254A (en) 1986-12-01
JPS62124233A (en) 1987-06-05
IT8621475A0 (en) 1986-08-12
ES2000607A6 (en) 1988-03-01
EP0211681B1 (en) 1994-03-16
CA1274157A (en) 1990-09-18
IT1197864B (en) 1988-12-21
KR870002288A (en) 1987-03-30
IT8621475A1 (en) 1988-02-12
CN86105994A (en) 1987-04-01
FR2586257A1 (en) 1987-02-20
EP0211681A2 (en) 1987-02-25
DE3689714D1 (en) 1994-04-21
KR910001607B1 (en) 1991-03-16
ATE103011T1 (en) 1994-04-15
FR2586257B1 (en) 1991-03-01
CN1012826B (en) 1991-06-12
DE3689714T2 (en) 1994-09-29
JPH0538046B2 (en) 1993-06-07

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