EP0449004A2 - Procédé et installation pour la fabrication de bandes laminées à chaud, en particulier pour aciers spéciaux À  partir d'une ébauche en forme de bande coulée en continu - Google Patents

Procédé et installation pour la fabrication de bandes laminées à chaud, en particulier pour aciers spéciaux À  partir d'une ébauche en forme de bande coulée en continu Download PDF

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Publication number
EP0449004A2
EP0449004A2 EP91103453A EP91103453A EP0449004A2 EP 0449004 A2 EP0449004 A2 EP 0449004A2 EP 91103453 A EP91103453 A EP 91103453A EP 91103453 A EP91103453 A EP 91103453A EP 0449004 A2 EP0449004 A2 EP 0449004A2
Authority
EP
European Patent Office
Prior art keywords
rolling
stand
steckel
strip
mill
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.)
Withdrawn
Application number
EP91103453A
Other languages
German (de)
English (en)
Other versions
EP0449004A3 (en
Inventor
Hans Friedrich Marten
Hans Malinowski
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.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
Schloemann Siemag 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 SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0449004A2 publication Critical patent/EP0449004A2/fr
Publication of EP0449004A3 publication Critical patent/EP0449004A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21B1/46—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 metal immediately subsequent to continuous casting
    • B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before 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

Definitions

  • the invention relates to a method and a plant for the production of hot-rolled steel strip, in particular for stainless steels from strip-shaped continuously cast starting material in successive working steps, the strip-shaped starting material being divided into pre-strip lengths after solidification and the pre-strips being heated to rolling temperature in a compensating furnace and then introduced into a rolling mill and are rolled in a sequence of roll passes to the intended final dimensions.
  • a method and a system according to the preamble of the main claim is known from DE-A1-32 41 745.
  • a Steckel mill is shown with winding furnaces provided on both sides of the roll stand; alternatively, it is proposed that the rolling mill can also be a multi-stand continuous finishing line of a hot strip mill.
  • the rolling mill can also be a multi-stand continuous finishing line of a hot strip mill.
  • the rolling mill is a multi-stand continuous finishing line of a hot strip mill, because the preliminary step is omitted as a result of the proposal according to the invention, and because relatively thin strip-shaped continuous casting material is already used.
  • This known design of a rolling mill either with a Steckel rolling mill or alternatively with a multi-stand continuous finishing line of a hot strip mill, as well as the corresponding operating methods result in a number of disadvantages when rolling different types of steel.
  • the invention has for its object to improve and perfect a method and a corresponding system so that the difficulties and technical limits mentioned are largely overcome.
  • the greatest possible flexibility should be achieved when rolling steels of different qualities with different programmable final dimensions, on the one hand avoiding excessive roll wear when rolling stainless steels and on the other Avoiding excessive scaling when rolling carbon steels or poor surface quality of the rolling stock.
  • This object is achieved in terms of process engineering in that the roughing of the strip-shaped primary material in a reversing Steckel mill and finishing rolling is carried out in a three or more stand tandem finishing train.
  • a plant for carrying out the method which comprises a continuous casting plant and a rolling mill arranged downstream of it and a compensating furnace is arranged between them, is characterized in accordance with the invention in that the rolling mill as a unit with a reversing Steckel stand and a three-stand or multi-stand tandem stand downstream thereof Finishing line is formed.
  • the plant has a CSP (Compact Strip Production) continuous casting plant (2) designed for the production of continuously cast broadband.
  • a first pair of scissors (3) is provided for dividing the strip-like pre-material into pre-strip lengths after it has solidified.
  • a compensating furnace (4) is then arranged, in which the divided pre-strips are subjected to a temperature compensation or a heating to the rolling temperature.
  • the system also includes a second pair of shears (5) and the CSP rolling mill (6). This is designed with a reversing Steckel scaffold (7) and a tandem finishing train (8) immediately downstream as an operating unit.
  • a Steckel furnace (9a, 9b) is arranged in front of and behind the Steckel stand (7).
  • Each Steckel furnace (9a, 9b) is equipped with a reel device for winding and unwinding the rolled strip (10) to and from the coil (11a, 11b).
  • the rolling mill (6) is expediently followed by a cooling section (13) and a coiler (14) for rolling up the finished rolled strip into a coil.
  • FIG. 1a shows a rolling diagram for stainless steels, for example 18/8 CrNi.
  • the primary material (1a) introduced from the compensating furnace (4) into the rolling mill (6) is pre-rolled, depending on the deformability of the material to be rolled, for example with a sequence of five roll passes in the Steckel reversing stand (7) and with three Stitches rolled in the tandem finishing train (8).
  • a slightly more difficult to deform stainless steel can, for example, be pre-rolled with seven passes in the reversing Steckel mill (7) and rolled with three passes in the tandem finishing train.
  • the number of passes in the Steckel mill (7) also depends on the intended degree of reduction of the rolling stock in relation to its deformability.
  • FIG. 1b A rolling diagram for carbon steels is shown in FIG. 1b. Afterwards, steel materials such as C15 or C45 can be pre-rolled with just one roll pass in the reversing Steckel stand (7) and finished rolled with three passes in the tandem finishing mill.
  • a total of eight or ten roll passes can be used to roll CSP cast strips made of stainless steels of 40 or 50 mm in thickness to the pre-programmed final thickness.
  • the process is also able to roll CSP-cast strips made of carbon steels, without using the plug-in furnaces (9a, 9b). This advantageously avoids the harmful influence of high scale formation.
  • the advantage is achieved that the roller wear in the Steckel stand is significantly reduced and the surface quality of the finished rolled strips is optimal by using the three or more stand tandem finishing train. Malfunctions and failures, for example due to frequent changing of the work rolls, are also advantageously avoided.
  • the distribution of the rolling work on the one hand on the reversing Steckel stand (7) and on the other hand on the tandem finishing train (8) at predetermined proportions results in the advantage of maximum flexibility for the rolling of steels from different materials to end products with optimal surface quality.
  • the system is also extremely compact and can be built and operated with the economical use of investment and operating resources.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
EP19910103453 1990-03-28 1991-03-07 Method and installation for manufacturing hot-rolled steel strip, in particular for special steels from a continuously cast material Withdrawn EP0449004A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4009860 1990-03-28
DE19904009860 DE4009860C2 (de) 1990-03-28 1990-03-28 Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere für Edelstähle, aus bandförmig stranggegossenem Vormaterial

Publications (2)

Publication Number Publication Date
EP0449004A2 true EP0449004A2 (fr) 1991-10-02
EP0449004A3 EP0449004A3 (en) 1991-12-04

Family

ID=6403182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910103453 Withdrawn EP0449004A3 (en) 1990-03-28 1991-03-07 Method and installation for manufacturing hot-rolled steel strip, in particular for special steels from a continuously cast material

Country Status (2)

Country Link
EP (1) EP0449004A3 (fr)
DE (1) DE4009860C2 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594828A4 (fr) * 1992-05-12 1995-07-12 Tippins Inc Installation et procede pour coulage des brames d'epaisseur moyenne et realisation de feuillards et de toles fortes a chaud en ligne.
EP0734793A1 (fr) * 1995-03-28 1996-10-02 MANNESMANN Aktiengesellschaft Procédé et dispositif pour la production de bandes d'acier laminées à chaud
EP0937512A1 (fr) * 1998-02-19 1999-08-25 Kvaerner Metals Continuous Casting Limited Dispositif et procédé à faible coût pour fabriquer de bande d' acier mince
EP0947590A1 (fr) * 1998-03-31 1999-10-06 Sms Schloemann-Siemag Aktiengesellschaft Procédé pour la fabrication des aciers de construction micro-alliés
WO2005049241A1 (fr) * 2003-10-24 2005-06-02 Sms Demag Aktiengesellschaft Laminoir destine au laminage de metal, notamment d'aluminium, et procede de laminage
WO2009036894A1 (fr) * 2007-09-13 2009-03-26 Sms Siemag Ag Installation csp compacte et flexible pour un fonctionnement continu, semi-continu et par lots
WO2015014864A1 (fr) * 2013-07-30 2015-02-05 Sms Siemag Ag Installation de laminage de coulée continue et procédé de fabrication de brames
CN106583455A (zh) * 2017-02-07 2017-04-26 唐山市丰南区嘉谊牧栏杆厂 基于中频炉冶炼的围栏桩的连铸连轧生产线

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236307A1 (de) * 1992-10-28 1994-05-05 Schloemann Siemag Ag Verfahren und Anlage zur Herstellung von warmgewalztem Stahlband, insbesondere aus bandförmig stranggegossenem Vormaterial

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ192655A (en) * 1980-01-22 1985-01-31 J Smith Drawing board with curved tracks for producing perspective drawings
DE3241745C2 (de) * 1982-11-11 1985-08-08 Mannesmann AG, 4000 Düsseldorf Verfahren zum Herstellen von warmgewalztem Stahlband aus stranggegossenem Vormaterial in unmittelbar aufeinanderfolgenden Arbeitsschritten
US4503697A (en) * 1983-01-25 1985-03-12 Tippins Machinery Company, Inc. Method for hot rolling slabs
JPS61206507A (ja) * 1985-03-12 1986-09-12 Ishikawajima Harima Heavy Ind Co Ltd 冷延鋼板製造設備
DE3675944D1 (de) * 1986-09-22 1991-01-10 Wagner Maschf Gustav Transporteinrichtung fuer stangenartiges material.
AU2669088A (en) * 1987-12-18 1989-06-22 Hitachi Limited Apparatus and method for hot-rolling slab into sheets

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0594828A4 (fr) * 1992-05-12 1995-07-12 Tippins Inc Installation et procede pour coulage des brames d'epaisseur moyenne et realisation de feuillards et de toles fortes a chaud en ligne.
EP0734793A1 (fr) * 1995-03-28 1996-10-02 MANNESMANN Aktiengesellschaft Procédé et dispositif pour la production de bandes d'acier laminées à chaud
EP0937512A1 (fr) * 1998-02-19 1999-08-25 Kvaerner Metals Continuous Casting Limited Dispositif et procédé à faible coût pour fabriquer de bande d' acier mince
EP0947590A1 (fr) * 1998-03-31 1999-10-06 Sms Schloemann-Siemag Aktiengesellschaft Procédé pour la fabrication des aciers de construction micro-alliés
WO2005049241A1 (fr) * 2003-10-24 2005-06-02 Sms Demag Aktiengesellschaft Laminoir destine au laminage de metal, notamment d'aluminium, et procede de laminage
WO2009036894A1 (fr) * 2007-09-13 2009-03-26 Sms Siemag Ag Installation csp compacte et flexible pour un fonctionnement continu, semi-continu et par lots
AU2008300996C1 (en) * 2007-09-13 2012-08-23 Sms Siemag Ag Compact, flexible CSP facility for continuous, semi-continuous and batch operation
WO2015014864A1 (fr) * 2013-07-30 2015-02-05 Sms Siemag Ag Installation de laminage de coulée continue et procédé de fabrication de brames
CN106583455A (zh) * 2017-02-07 2017-04-26 唐山市丰南区嘉谊牧栏杆厂 基于中频炉冶炼的围栏桩的连铸连轧生产线

Also Published As

Publication number Publication date
DE4009860C2 (de) 1999-11-18
EP0449004A3 (en) 1991-12-04
DE4009860A1 (de) 1991-10-02

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