EP1109942B1 - Verfahren zur erzeugung von kaltgewalzten bändern oder blechen - Google Patents

Verfahren zur erzeugung von kaltgewalzten bändern oder blechen Download PDF

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Publication number
EP1109942B1
EP1109942B1 EP99968685A EP99968685A EP1109942B1 EP 1109942 B1 EP1109942 B1 EP 1109942B1 EP 99968685 A EP99968685 A EP 99968685A EP 99968685 A EP99968685 A EP 99968685A EP 1109942 B1 EP1109942 B1 EP 1109942B1
Authority
EP
European Patent Office
Prior art keywords
cold
rolled
steels
micro
rolling
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.)
Expired - Lifetime
Application number
EP99968685A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1109942A1 (de
Inventor
Bernhard Engl
Klaus Dieter Horn
Klaus Dieter Schmidt
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.)
ThyssenKrupp Steel Europe AG
Original Assignee
ThyssenKrupp Stahl AG
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 ThyssenKrupp Stahl AG filed Critical ThyssenKrupp Stahl AG
Publication of EP1109942A1 publication Critical patent/EP1109942A1/de
Application granted granted Critical
Publication of EP1109942B1 publication Critical patent/EP1109942B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • C21D8/0273—Final recrystallisation 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
    • C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
    • C21D8/0215—Rapid solidification; Thin strip casting
    • 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
    • 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
    • C21D8/0268—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment between cold rolling steps
    • 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
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling

Definitions

  • the invention relates to a method for generating cold rolled strips or sheets of low alloy Steel with max. 0.2% C, P, Al, Ti, V, Nb, S, B and max. 1% Si and Mn, balance iron and unavoidable impurities.
  • the steel is in known way after melting into slabs, Thin slabs or ribbon, usually in Continuous casting process, poured and then hot rolled, cold rolled and annealed to recrystallize.
  • the amount of for complete recrystallization of the cold rolled strip or sheet required Annealing temperature can be in the preliminary stages of Steel strip production can be influenced. So it is known that one about a high hot strip reel temperature and one high degree of cold rolling the recrystallization temperature can lower.
  • the invention is based on the object Manufacturing effort and the associated Manufacturing cost to produce a complete recrystallized cold rolled strip or sheet Reduce.
  • JP-A-05 239 554 and G1 238 919 relate to the production of a steel strip with a similar composition as according to the invention, but without a boron content, with parameters of the temperatures of the warm rolling, reeling and recrystallization annealing, which overlap the parmeters according to the invention.
  • the degree of cold rolling is, however, higher than that according to the invention.
  • the invention is the surprising finding based on that a lowered hot rolling final temperature and complete a low reel temperature Recrystallization of the cold rolled strip or sheet with an almost independent of the degree of cold rolling relatively low temperature can take place.
  • a low temperature for recrystallization annealing saves energy and costs.
  • the steels contain in addition to those specified above Alloy contents up to 0.01% of nitrogen and those for Nitrogen removal required amount of boron (> 0.78 x N), In addition, small amounts are different Alloy elements which the Recrystallization conditions are not disadvantageous influence, also permissible.
  • the hot rolling end temperature should preferably be about 50 ° C below Ar 3 and the coiling temperature preferably in the range of 300 to 600 ° C.
  • the coiling temperature preferably in the range of 300 to 600 ° C.
  • Table 1 shows the chemical compositions of four deep-drawing steels A to D are specified.
  • Figures 1 to 5 are the hot rolling and annealing conditions, respectively contain.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Lubricants (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Metal Rolling (AREA)
EP99968685A 1998-09-08 1999-09-06 Verfahren zur erzeugung von kaltgewalzten bändern oder blechen Expired - Lifetime EP1109942B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19840788 1998-09-08
DE19840788A DE19840788C2 (de) 1998-09-08 1998-09-08 Verfahren zur Erzeugung von kaltgewalzten Bändern oder Blechen
PCT/EP1999/006533 WO2000014288A1 (de) 1998-09-08 1999-09-06 Verfahren zur erzeugung von kaltgewalzten bändern oder blechen

Publications (2)

Publication Number Publication Date
EP1109942A1 EP1109942A1 (de) 2001-06-27
EP1109942B1 true EP1109942B1 (de) 2003-06-25

Family

ID=7880087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99968685A Expired - Lifetime EP1109942B1 (de) 1998-09-08 1999-09-06 Verfahren zur erzeugung von kaltgewalzten bändern oder blechen

Country Status (19)

Country Link
US (1) US6582537B1 (xx)
EP (1) EP1109942B1 (xx)
JP (1) JP2002524657A (xx)
KR (1) KR100613472B1 (xx)
CN (1) CN1103824C (xx)
AT (1) ATE243769T1 (xx)
AU (1) AU749783B2 (xx)
BR (1) BR9913530A (xx)
CA (1) CA2342934A1 (xx)
CZ (1) CZ300683B6 (xx)
DE (2) DE19840788C2 (xx)
ES (1) ES2201830T3 (xx)
HU (1) HUP0104020A3 (xx)
PL (1) PL191884B1 (xx)
RU (1) RU2222610C2 (xx)
SK (1) SK286577B6 (xx)
TR (1) TR200100654T2 (xx)
WO (1) WO2000014288A1 (xx)
ZA (1) ZA200101676B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10153234A1 (de) * 2001-10-31 2003-05-22 Thyssenkrupp Stahl Ag Für die Herstellung von nichtkornorientiertem Elektroblech bestimmtes, warmgewalztes Stahlband und Verfahren zu seiner Herstellung
US8333923B2 (en) * 2007-02-28 2012-12-18 Caterpillar Inc. High strength gray cast iron
RU2486973C2 (ru) * 2009-02-09 2013-07-10 Ниппон Стил Корпорейшн Титановый материал для горячей прокатки и способ его получения
RU2699480C1 (ru) * 2018-12-14 2019-09-05 Публичное акционерное общество "Северсталь" (ПАО "Северсталь") Способ производства холоднокатаного проката

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857740A (en) * 1972-07-11 1974-12-31 Nippon Steel Corp Precipitation hardening high strength cold rolled steel sheet and method for producing same
JPS5338690B2 (xx) * 1972-11-20 1978-10-17
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
US4587371A (en) * 1984-08-27 1986-05-06 Cosden Technology, Inc. Hydrocarbon conversion of sulfur contaminated feed stock
JPS61238919A (ja) * 1985-04-15 1986-10-24 Kawasaki Steel Corp 面内異方性の小さい絞り用冷延鋼板の製造方法
DE3528782A1 (de) * 1985-08-10 1987-02-19 Hoesch Stahl Ag Verfahren zum herstellen eines alterungsbestaendigen bandstahles mit hoher kaltumformbarkeit
JPS62139822A (ja) 1985-12-11 1987-06-23 Kobe Steel Ltd 材質の均一性にすぐれた深絞り用冷延鋼板の製造方法
DE3803064C2 (de) * 1988-01-29 1995-04-20 Preussag Stahl Ag Kaltgewalztes Blech oder Band und Verfahren zu seiner Herstellung
JPH05239554A (ja) * 1992-02-28 1993-09-17 Kobe Steel Ltd 焼付硬化性を有する超深絞り用冷延鋼板の製造方法

Also Published As

Publication number Publication date
HUP0104020A2 (hu) 2002-02-28
HUP0104020A3 (en) 2002-03-28
DE59906117D1 (de) 2003-07-31
SK2852001A3 (en) 2002-06-04
ZA200101676B (en) 2002-06-28
PL346523A1 (en) 2002-02-11
BR9913530A (pt) 2001-06-05
KR100613472B1 (ko) 2006-08-18
KR20010074992A (ko) 2001-08-09
AU749783B2 (en) 2002-07-04
EP1109942A1 (de) 2001-06-27
RU2222610C2 (ru) 2004-01-27
TR200100654T2 (tr) 2001-07-23
DE19840788A1 (de) 2000-03-16
JP2002524657A (ja) 2002-08-06
PL191884B1 (pl) 2006-07-31
ES2201830T3 (es) 2004-03-16
CN1317055A (zh) 2001-10-10
AU5973599A (en) 2000-03-27
CA2342934A1 (en) 2000-03-16
DE19840788C2 (de) 2000-10-05
US6582537B1 (en) 2003-06-24
CZ2001735A3 (cs) 2002-03-13
CZ300683B6 (cs) 2009-07-15
WO2000014288A1 (de) 2000-03-16
CN1103824C (zh) 2003-03-26
ATE243769T1 (de) 2003-07-15
SK286577B6 (sk) 2009-01-07

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