WO1999030847A1 - Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten - Google Patents
Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten Download PDFInfo
- Publication number
- WO1999030847A1 WO1999030847A1 PCT/DE1998/003259 DE9803259W WO9930847A1 WO 1999030847 A1 WO1999030847 A1 WO 1999030847A1 DE 9803259 W DE9803259 W DE 9803259W WO 9930847 A1 WO9930847 A1 WO 9930847A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hot strip
- rolling
- strip
- rolled
- cooling
- Prior art date
Links
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
- B21B1/463—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 continuous process, i.e. the cast not 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
- 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
- B21B45/02—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 for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/02—Austenitic rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/04—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
- B21B2201/16—Two-phase or mixed-phase rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/06—Threading
- B21B2273/08—Threading-in or before threading-in
Definitions
- the invention relates to a production process and a plant for endless
- slabs with a thickness greater than 120 mm or thin slabs with thicknesses between 40 and 120 mm are used as the starting material.
- the rolling mills generally consist of a single or multi-stand roughing mill in which the slabs are divided into several
- Rolling passes can be reduced in reverse operation, as well as a multi-stand finishing train or a Steckel stand.
- the almost uniform temperature over the length of the hot strip is achieved either by means of a coil box between the roughing and finishing mill, by speed-up in the finishing mill or by coiling furnaces in front of and behind the Steckel stand. In these cases it is a discontinuous process, i.e.
- the roughing and finishing lines generally work decoupled and roll the individual slabs.
- the foot is welded using a heating and pressing device.
- the seam between the two pre-strips is then mechanically processed before the pre-strip enters the finishing train.
- Rolling is then carried out endlessly on the finishing train, while the roughing train operates discontinuously. Disadvantages are those with one Problems related to process stability and hot strip quality in the area of the rolled-out piece of the seam.
- a ferritic or mixed austenitic-ferritic rolling is only possible with the structural transformation in the finishing train with the disadvantages already mentioned.
- the former consist of a multi-stand finishing train with an outfeed roller table
- the plants for thin slabs> 65 mm consist of a single or multi-stand structure due to the larger deformation work required for the same final thickness
- an outfeed roller table with devices for cooling the hot strip to winding temperature and winding machines for winding up the hot strip.
- the rolling mills are generally designed and operated so that the forming in the individual passes is fully austenitic or mixed austenitic-ferritic.
- the rolling temperature in all passes is above the GOS line of the iron-carbon diagram, whereby the final rolling temperature in the last stands of the finishing train should be close to the GOS line in order to achieve a fine-grained structure.
- the rolling temperature in the last stands of the finishing train below the GOS line is in the range of approx. 810 to 890 ° C
- Roll-in collapse due to the lower deformation resistance of the material in the ferritic temperature range leads to disadvantage for the roll bending and roll adjustment systems to ensure the thickness, profile and contour as well as flatness of the hot strip, since these systems use the measured rolling force as an output signal
- Compensating section of a few meters after the cooling section to the next stand is necessary. This is disadvantageous for austenitic rolling with a final rolling temperature greater than 890 ° C, because an increase in the spacing between the stands increases the temperature losses of the hot strip
- EP 0 761 326 A1 proposes a production system consisting of a multi-stand rolling mill, an outfeed roller table with devices for cooling the hot strip and downstream winding machines, in which at least the first stand is designed as a reversing stand, at least one reel furnace upstream and one downstream of which , whereby a controllable cow device is provided between the upstream reel furnace and the following reversing stand.
- the hot strip is rolled in the austenitic temperature area, the hot strip is cooled into the ferritic temperature area by means of the controllable cow device and wound up in the reel furnace.
- the structure change takes place in the reel furnace Rolling mill downstream of the coiler in the ferritic temperature range.
- the austenitic rolling process does not cool.
- the hot strip can be heated between the rolling mills using a heating device. Different arrangements scaffolding and
- Coiler furnaces are proposed In any case, the reversing operation is characteristic, as a result of which the proposed production plant cannot continuously roll endlessly.
- the coiler furnace or the additionally required increase the technical outlay on the plant
- Production plants for rolling hot strip from thin slabs are also known, in which facilities for cooling and heating are arranged after a single or multi-stand roughing mill. These facilities are a multi-frame finishing train with a run-out roller conveyor, facilities for cooling and winding machines for winding up the hot strip are generally carried out in of the roughing mill at least two passes in the austenitic temperature range, either in multiple stands in continuous operation or in a single stand in reversing mode.
- the hot strip is used in the facilities Cooling between roughing and finishing mill cooled to the temperature of the respective temperature area and then finish-rolled ferritically or mixed austenitic-fer ⁇ tically in the finishing mill.With austenitic rolling, the hot strip is heated in facilities for heating between roughing and finishing mill or kept at the same temperature, including austenitic in the
- the known production plants require devices for descaling the starting material before the first stitch and before the finishing train.
- the need to descaling the starting material before the first stitch arises due to the scaling of the surface of the starting material during this
- the production process in the known or proposed production systems is discontinuous or, in the case of welding hot strip to the roughing train, only continuously in the finishing train
- Roll gap lubrication in the stands of the roughing and finishing lines of known production systems can only be used after tapping the starting material or the hot strip in the respective stand, otherwise the gripping condition is not guaranteed.
- the reduction in the friction between the rolling stock and the roll associated with the roll gap lubrication leads to one Reduction of the forming resistance and thereby the rolling force, the rolling moment as well as the required additional power.
- the surface quality of the hot strip is increased.
- these advantages do not arise for the tapping of the hot strip, which after rolling out makes up a considerable part of the length of the hot strip.
- the production systems for the Load condition can be designed without roll gap lubrication
- the object of the inventions is then to create a production plant for the austenitic, the mixed austenitic-fer ⁇ tician and the ferritic rolling of thin hot strip in an endless fully continuous process with which the aforementioned disadvantages and problems are eliminated and on of which all three technologies mentioned above can be realized
- the task is solved with a production plant of the type mentioned at the outset according to the invention in that the strip cast in a thickness of 5 - 18 mm is cooled in a controlled manner under a protective gas atmosphere and the pre-rolled hot strip is optionally cooled in a control device downstream of the rough road, is heated or kept at temperature and the edges of the hot strip are rewarmed
- the production process is specially designed for the rolling of thin casting strip using all three possible technologies, ie austenitic, austenitic-ferritic and ferritic rolling. be produced with a total decrease of at least 65% based on the overall system
- the rolling temperature in the austenite area in the rugged forecourt is controlled by variable cooling of the casting belt in front of the
- carbon steels, low-alloy steels, low-carbon steels and micro-alloyed steels due to a material-dependent decrease of 45 to 70% in the rusty roughing mill in connection with the variably adjustable rolling temperature in the austenitic range and the process itself
- Reshaping subsequent cooling, heating or maintaining the temperature until it enters the multi-grooved finishing line and the initial size of the casting belt is greatly reduced with only one stitch, but at least halved
- the rolling temperature upstream of the multi-stand finishing train through the device arranged behind the roughing street for controllable cooling, heating or holding the The temperature of the hot strip can be selectively adjusted either in the austenitic or ferrite area or in the transition area from austenite to ferrite
- the rolling temperature in the hot strip produces a fine-grain structure of grain size classes 6-10 according to DIN 50601
- the rolling temperature which can be variably adjusted by means of cooling, the material-dependent high decrease of 45 - 70% in the coarse foreroom and the variably controllable cooling, heating or maintaining the temperature of the hot strip, the hot strip is reinstalled before it enters the finishing train and the starting size of the casting belt is strong reduced
- the ferrite endless and the mixed austenitic-ferrite endless fully continuously rolled hot strip will be wound into the bundle in warm-insulated winding machines immediately after emerging from the last stand of the multi-stand finishing train and subjected to slow cooling homogeneous across the bundle width
- the thin casting belt is provided with a start-up piece, it is proposed that the start-up piece pass undeformed in the rolling direction through the open scaffolding of the fore-pass and the multi-stand finishing train and be separated from the rest of the casting line with scissors
- the rolls are set in motion while the open stands are being closed Lubricate the roughing mill and the multi-stand finishing mill on the gaps provided for rolling the required final thickness
- the roll gap lubrication takes place during the entire rolling time, the wear on the work rolls decreases, which improves the thickness and profile over the entire hot strip length and increases the service life of the rolls
- the invention provides that the degree of scaling on the
- the surface of the starting material and the chemical composition of the scale is adjusted by the controllable cooling of the casting belt under a protective gas atmosphere until the first rolling pass
- the invention results in an overall system concept with which a fully continuous endless rolling process can be implemented in an optimal manner, which permits all three possible rolling technologies for the production of hot strip, that is, the austenitic, the mixed austenitic-fer ⁇ tician and the ferritic rolling
- Strip material with small thicknesses, both austenitic and ferritic and mixed austenitic-fer ⁇ tic, with a total decrease of at least 65% based on the overall system, can be produced is shown in the single drawing figure and is described below. It consists of a thin slab caster 12, a first device 2 for cooling the casting belt under protective gas, a coarse Vorstrasse 3, a multi-stand finishing train 5, a second device 4 for cooling, heating or maintaining the temperature of the hot strip between the roughing and finishing train, a pair of scissors 6 for separating the hot strip from bundle to bundle, one Outfeed roller table with facilities 8 for cooling the rolled hot strip and one of the finishing train
- the course of the rolling process begins with the targeted cooling of the solidified casting belt with a thickness of 5 to 18 mm under a controllable protective gas atmosphere, whereby the technologically required parameters, temperature, austenite starting grain size, the
- Degree of scaling and the chemical composition of the scale can be set before the first roll pass
- the starting piece of the thin casting belt passes undeformed through the open scaffolding of the coarse Vorstrasse 3 and the multi-stand finishing train 5 in the rolling direction 1 1 and is separated from the rest of the casting belt with one or more cuts using the scissors 6 arranged after the finishing train.
- the open scaffolding of the coarse Vorstrasse 3 and the multi-stand finishing train 5 is moved to the roll gaps provided for rolling the required final thickness and the piece of hot strip rolled during the closing process is chopped with scissors 6 or coiled with winding machines 7 or 10
- Roll gap lubrication can already be used during the closing of the stands to the roll gaps provided for rolling the required final thickness, since the gripping condition is guaranteed as a result of the steadily increasing decrease up to the end position
- the starting material is rolled endlessly in the rusty Vorstrasse 3 with a material-dependent decrease of 45 to 70% for carbon steels, low-alloy steels, low-carbon and micro-alloyed steels in a horizontal pass in the austenitic temperature range
- the edges of the casting belt are slightly deformed by means of a special compression caliber in a vertical framework flanged in front of the rusty Vor No 3, whereby the casting belt simultaneously runs into the center of the rusty Vorstrasse
- the hot strip passes through a device 4 for controllable cooling, heating or maintaining the temperature, whereby the temperature of the hot strip can be selectively adjusted in the austenlt or ferrite area or in the transition area from austenlt to ferrite before entering the multi-frame finishing train 5
- the hot strip is available due to the rolling temperature which can be variably adjusted by means of the cooling device 2, the material-dependent high decrease of 45 - 70% in the rusty Vorstrasse 3 and the temperature of the hot strip which is variably adjustable by means of device 4 for controllable cooling, heating or maintaining the temperature reinstalled its entry into the finishing train and greatly reduced the starting grain size of the casting belt
- the hot strip is rolled to a thin hot strip with a material-dependent total decrease of large 50%, which results in a fine-grain structure after rolling in connection with the specifically adjustable rolling temperature
- the ferritic and the mixed austenitic-fer ⁇ tically endless continuously rolled hot strip is immediately after the finishing train in warm insulated
- the austenitic, endless, fully continuously rolled hot strip passes through a cooling section 8 with forced cooling from above, and then a device for cooling the hot strip, after exit from the finishing train 5
- the production system is adjusted once after starting up, after which a constantly high quality of the hot strip is achieved over its length in the endless, fully continuous process
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Formation And Processing Of Food Products (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU17493/99A AU745206B2 (en) | 1997-12-17 | 1998-11-03 | Method and installation for the continuous production of hot-rolled, thin flat products |
DE59803943T DE59803943D1 (de) | 1997-12-17 | 1998-11-03 | Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten |
EP98962221A EP1047510B1 (de) | 1997-12-17 | 1998-11-03 | Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten |
JP2000538815A JP4677097B2 (ja) | 1997-12-17 | 1998-11-03 | 熱間圧延薄板製品をエンドレス製造するための生産方法及び生産設備 |
AT98962221T ATE216639T1 (de) | 1997-12-17 | 1998-11-03 | Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten |
CA002314171A CA2314171C (en) | 1997-12-17 | 1998-11-03 | Method and installation for the continuous production of hot-rolled, thin flat products |
US09/581,864 US6527882B1 (en) | 1997-12-17 | 1998-11-03 | Method and installation for the continuous production of hot-rolled, thin flat products |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19758108A DE19758108C1 (de) | 1997-12-17 | 1997-12-17 | Produktionsverfahren und -anlage zur endlosen Erzeugung von warmgewalzten dünnen Flachprodukten |
DE19758108.0 | 1997-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999030847A1 true WO1999030847A1 (de) | 1999-06-24 |
Family
ID=7853523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/003259 WO1999030847A1 (de) | 1997-12-17 | 1998-11-03 | Produktionsverfahren und -anlage zur endlosen erzeugung von warmgewalzten dünnen flachprodukten |
Country Status (9)
Country | Link |
---|---|
US (1) | US6527882B1 (de) |
EP (1) | EP1047510B1 (de) |
JP (1) | JP4677097B2 (de) |
AT (1) | ATE216639T1 (de) |
AU (1) | AU745206B2 (de) |
CA (1) | CA2314171C (de) |
DE (2) | DE19758108C1 (de) |
ES (1) | ES2172948T3 (de) |
WO (1) | WO1999030847A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000030776A1 (en) * | 1998-11-26 | 2000-06-02 | Demag Italimpianti S.P.A. | Hot-rolling mill for thin strips |
US7491276B2 (en) * | 2000-08-05 | 2009-02-17 | Sms Demag Ag | Production method and installation for producing thin flat products |
WO2009065517A1 (de) * | 2007-11-21 | 2009-05-28 | Sms Siemag Ag | Verfahren und vorrichtung zum herstellen eines bandes aus metall |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19926228B4 (de) * | 1999-06-10 | 2004-09-23 | Vaw Aluminium Ag | Verfahren zum Herstellen eines aus einem gewalzten Aluminiumwerkstoff erzeugten flächigen Guts und Verwendung des flächigen Guts zur Herstellung von Fahrzeugteilen |
JP2004306111A (ja) * | 2003-04-09 | 2004-11-04 | Ishikawajima Harima Heavy Ind Co Ltd | 熱間圧延設備 |
DE102005052774A1 (de) * | 2004-12-21 | 2006-06-29 | Salzgitter Flachstahl Gmbh | Verfahren zum Erzeugen von Warmbändern aus Leichtbaustahl |
ITMI20060666A1 (it) * | 2006-04-05 | 2007-10-06 | Danieli Off Mecc | Impianto di laminazione |
CN101669010B (zh) | 2007-03-09 | 2015-09-02 | Sms西马格股份公司 | 用于厚度测量的装置以及用于所述厚度测量的方法 |
JP5271512B2 (ja) * | 2007-06-18 | 2013-08-21 | Ihiメタルテック株式会社 | 熱間圧延装置 |
AT506065B1 (de) * | 2007-11-22 | 2009-06-15 | Siemens Vai Metals Tech Gmbh | Verfahren zum kontinuierlichen austenitischen walzen eines in einem kontinuierlichen giessprozess hergestellten vorbandes und kombinierte giess- und walzanlage zur durchführung des verfahrens |
DE102008061206A1 (de) | 2008-01-15 | 2009-07-16 | Sms Demag Ag | Verfahren zur Herstellung von Bändern aus Metall und Produktionsanlage zur Durchführung des Verfahrens |
DE102009032358A1 (de) | 2008-12-09 | 2010-06-10 | Sms Siemag Ag | Verfahren zur Herstellung von Bändern aus Metall und Produktionsanlage zur Durchführung des Verfahrens |
KR101332196B1 (ko) | 2008-12-09 | 2013-11-25 | 에스엠에스 지마크 악티엔게젤샤프트 | 금속 스트립 제조 방법 및 이 방법을 실행하기 위한 생산 시스템 |
DE102009036378A1 (de) * | 2009-08-06 | 2011-02-17 | Sms Siemag Ag | Verfahren und Vorrichtung zum Herstellen eines mikrolegierten Stahls, insbesondere eines Röhrenstahls |
EP2305392A1 (de) * | 2009-10-05 | 2011-04-06 | Siemens Aktiengesellschaft | Verfahren zum Walzen von Walzgut und Walzstraße mit wenigstens einem Walzgerüst zum thermomechanischen Walzen von Walzgut |
EP2656932A1 (de) * | 2012-04-26 | 2013-10-30 | Siemens Aktiengesellschaft | Thermomechanisches Walzen einer Aluminiumplatte |
DE102013214940A1 (de) * | 2013-07-30 | 2015-02-05 | Sms Siemag Ag | Gießwalzanlage und Verfahren zum Herstellen von Brammen |
CN105848796B (zh) * | 2013-12-26 | 2018-11-27 | Posco公司 | 连铸轧制设备及方法 |
CN103722015A (zh) * | 2013-12-31 | 2014-04-16 | 一重集团大连设计研究院有限公司 | 热轧带钢生产线在线调宽设备 |
KR101736573B1 (ko) * | 2015-06-03 | 2017-05-17 | 주식회사 포스코 | 연주압연방법 및 연주압연장치 |
IT201700028732A1 (it) * | 2017-03-15 | 2018-09-15 | Danieli Off Mecc | Impianto combinato di colata continua e laminazione di nastri metallici a caldo |
CN107413850B (zh) * | 2017-06-28 | 2019-02-01 | 钢铁研究总院 | 用于直接轧制方矩形钢坯的输送过程铸轧衔接方法 |
CN113714293A (zh) * | 2020-05-26 | 2021-11-30 | 上海梅山钢铁股份有限公司 | 一种基于热连轧机的铁素体生产极薄带钢的卷取方法 |
CN112496031B (zh) * | 2020-11-17 | 2023-03-24 | 中冶赛迪上海工程技术有限公司 | 一种棒材高效轧制工艺及生产线 |
EP4015099A1 (de) | 2020-12-15 | 2022-06-22 | Primetals Technologies Austria GmbH | Energieeffiziente herstellung eines ferritischen warmbands in einer giess-walz-verbundanlage |
CN115716086B (zh) * | 2022-12-09 | 2023-11-21 | 中冶南方工程技术有限公司 | 热轧超薄带钢无头连铸连轧生产机组及其生产方法 |
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WO1997046332A1 (en) * | 1996-06-07 | 1997-12-11 | Hoogovens Staal B.V. | Method and apparatus for the manufacture of a steel strip |
EP0860215A1 (de) * | 1997-02-21 | 1998-08-26 | Kvaerner Metals Continuous Casting Limited | Kontinuierliches Stahlherstellungsverfahren und Vorrichtung dafür |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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BR9404223A (pt) * | 1993-04-26 | 1995-11-21 | Nippon Steel Corp | Chapa de aço fina tendo uma excelente capacidade de estitamento-flangeamento e processo para a produção da mesma |
EP0753359B1 (de) * | 1995-07-10 | 2001-06-06 | Kawasaki Steel Corporation | Verfaren und Vorrichtung zum kontinuierlichen Warmbandfertigwalzen |
DE19600990C2 (de) * | 1996-01-14 | 1997-12-18 | Thyssen Stahl Ag | Verfahren zum Warmwalzen von Stahlbändern |
FR2795005B1 (fr) * | 1999-06-17 | 2001-08-31 | Lorraine Laminage | Procede de fabrication de toles aptes a l'emboutissage par coulee directe de bandes minces, et toles ainsi obtenues |
-
1997
- 1997-12-17 DE DE19758108A patent/DE19758108C1/de not_active Expired - Fee Related
-
1998
- 1998-11-03 DE DE59803943T patent/DE59803943D1/de not_active Expired - Lifetime
- 1998-11-03 ES ES98962221T patent/ES2172948T3/es not_active Expired - Lifetime
- 1998-11-03 US US09/581,864 patent/US6527882B1/en not_active Expired - Lifetime
- 1998-11-03 CA CA002314171A patent/CA2314171C/en not_active Expired - Lifetime
- 1998-11-03 EP EP98962221A patent/EP1047510B1/de not_active Expired - Lifetime
- 1998-11-03 JP JP2000538815A patent/JP4677097B2/ja not_active Expired - Lifetime
- 1998-11-03 AT AT98962221T patent/ATE216639T1/de active
- 1998-11-03 AU AU17493/99A patent/AU745206B2/en not_active Expired
- 1998-11-03 WO PCT/DE1998/003259 patent/WO1999030847A1/de active IP Right Grant
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000030776A1 (en) * | 1998-11-26 | 2000-06-02 | Demag Italimpianti S.P.A. | Hot-rolling mill for thin strips |
US7491276B2 (en) * | 2000-08-05 | 2009-02-17 | Sms Demag Ag | Production method and installation for producing thin flat products |
WO2009065517A1 (de) * | 2007-11-21 | 2009-05-28 | Sms Siemag Ag | Verfahren und vorrichtung zum herstellen eines bandes aus metall |
AU2008328228B2 (en) * | 2007-11-21 | 2011-06-30 | Sms Siemag Ag | Method and device for producing a metal strip |
Also Published As
Publication number | Publication date |
---|---|
ES2172948T3 (es) | 2002-10-01 |
JP4677097B2 (ja) | 2011-04-27 |
DE59803943D1 (de) | 2002-05-29 |
JP2002508253A (ja) | 2002-03-19 |
DE19758108C1 (de) | 1999-01-14 |
AU1749399A (en) | 1999-07-05 |
CA2314171A1 (en) | 1999-06-24 |
AU745206B2 (en) | 2002-03-14 |
EP1047510B1 (de) | 2002-04-24 |
CA2314171C (en) | 2007-04-24 |
US6527882B1 (en) | 2003-03-04 |
EP1047510A1 (de) | 2000-11-02 |
ATE216639T1 (de) | 2002-05-15 |
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