ZA200500458B - Method and device for the continuous production of metallic strips - Google Patents
Method and device for the continuous production of metallic strips Download PDFInfo
- Publication number
- ZA200500458B ZA200500458B ZA200500458A ZA200500458A ZA200500458B ZA 200500458 B ZA200500458 B ZA 200500458B ZA 200500458 A ZA200500458 A ZA 200500458A ZA 200500458 A ZA200500458 A ZA 200500458A ZA 200500458 B ZA200500458 B ZA 200500458B
- Authority
- ZA
- South Africa
- Prior art keywords
- strip
- installation
- rolling
- heating
- chemically treating
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000010924 continuous production Methods 0.000 title claims description 5
- 238000005096 rolling process Methods 0.000 claims description 50
- 238000009434 installation Methods 0.000 claims description 45
- 238000005554 pickling Methods 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 238000011282 treatment Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 7
- 238000005422 blasting Methods 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 4
- 238000005097 cold rolling Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000000137 annealing Methods 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000002253 acid Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 238000012432 intermediate storage Methods 0.000 description 2
- 235000013980 iron oxide Nutrition 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- B21B1/22—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
- B21B1/28—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 cold-rolling, e.g. Steckel cold mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0035—Forging or pressing devices as units
- B21B15/005—Lubricating, cooling or heating means
-
- 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
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/44—Control of flatness or profile during rolling of strip, sheets or plates using heating, lubricating or water-spray cooling of the product
-
- 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
-
- 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
- B21B45/04—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 de-scaling, e.g. by brushing
- B21B45/06—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 de-scaling, e.g. by brushing of strip material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49988—Metal casting
- Y10T29/49991—Combined with rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating With Molten Metal (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Manufacturing Of Electric Cables (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Description
TRANSLATION (HM-613PCT-original) . PCT/EP2003/007, 464
PROCESS AND SYSTEM FOR THE CONTINUOUS
PRODUCTION OF METAL STRIP
The invention pertains to a process for the continuous production of metal strip, preferably cold-rolled strip, and especially for the production of high-grade steel strip, where the strip to be produced is conducted in a transport direction through a system in which the strip is subjected to a rolling - process, to a heating process, and to a chemical treatment. The invention also pertains to a system especially for implementing the process.
In the production of cold-rolled strip, especially high- grade steel strip, a metal strip passes through a production system, in which various processes are performed on the strip.
The thickness of the strip is reduced by a rolling process.
This can be followed by a heat treatment, by means of which the strip acquires special material properties. In addition, the strip must have a scale-free surface, for which reason it is passed through a pickling line, in which a chemical treatment ig
. applied to remove the scale.
For further processing, which can involve, for example, cold-rolling, the application of a metallic coating, or direct processing into an end product, the hot-rolled steel strip must have a scale-free surface. For this reason, the scale which has formed during the hot-rolling operation and the following cooling phase must be removed completely. This is usually done by a pickling process, during which the scale, which consists of various iron oxides (FeO, Fe,0,, Fe,0,) or, in the case of stainless steels, of these iron oxides plus chromium-rich iron } oxides, is removed at elevated temperatures by chemical reaction with one of various acids, e.g., hydrochloric acid, sulfuric acid, nitric acid, or mixed acids, depending on the grade of steel. Before the pickling step, an additional mechanical treatment by stretcher and roller leveling is usually required in the case of normal steel in order to break up the scale and thus to allow the acid to penetrate more quickly into the scale layer. For stainless, austenitic, and ferritic steels, which are much more difficult to pickle, an annealing treatment and a mechanical pre-descaling of the strip are conducted prior to the pickling process so that the surface can be pickled as
, effectively as possible.
A process and a system of the general type in question is known from DE 100 22 045 Cl. Here it is disclosed that a strip is guided through a pickling installation, which is both preceded and followed by a rolling unit. Downstream of the second rolling unit, the strip passes through an annealing furnace and then a pickling tank, in which the scale is removed from the surface of the strip. Before the strip, which is finished at this point, is coiled up, it can also be given a ) final treatment in a skin pass mill. ) WO 00/37,189 and WO 00/37,190 disclose a system for the production of a metal strip, in which the thickness of the strip is first reduced in a multi-stand rolling mill. Then the strip passes through an annealing furnace; after that, the strip is guided through a pickling installation. Before the strip is coiled up, a rolling operation can be performed here, too, but it is used to reduce the thickness of the strip to only a very slight degree.
US 2001/0,037,667 Al discloses a similar system for the production of metal strip. Here, however, the strip is not heated. The strip is merely passed through a rolling mill after
} it has been descaled in a pickling line. :
The previous processes suffer from the disadvantage that, in some cases, the rolling must be performed on scale-covered or only partially descaled surfaces. The rolling of surfaces of this kind leads to much greater wear on the rolls than that which occurs when the surface being rolled has been completely descaled. In addition, it is impossible to obtain the surface quality which is often demanded, which leads to the need for expensive refinishing treatments. : With respect to the economy of the process in question, it i is also highly disadvantageous that the dimensions of the equipment installed downstream from the rolling mill, namely, the annealing furnace and the pickling line, must be adapted to the thickness of the strip, which has typically been reduced by the rolling process by 30-40%. Because the strip is now thinner but also longer, the annealing furnace and the pickling line must also be given a corresponding length, which increases the cost of the overall system.
The invention is therefore based on the task of creating a : process and an associated system of the general type indicated above by means of which it is possible to avoid the
] disadvantages cited, and where in particular it is possible to achieve higher productivity and economy in the production of strip. The surface quality of the finished strip is also to be improved.
With respect to the process, this task is accomplished according to the invention in that the rolling process is not conducted until after the strip has been heated and after it has been chemically treated.
As a result of this approach, the goal is achieved that the ‘ above-mentioned disadvantages do not appear when the three : process steps, namely, the rolling of the strip to the desired . thickness, the heat treatment of the strip by an annealing ) process, and the descaling of the strip by pickling, are performed in the production system. Because the strip is rolled from the original thickness to the reduced, final thickness only downstream of the annealing furnace and the pickling line, both the annealing furnace and the pickling line can be designed with smaller dimensions. In addition, the above-cited rolling process is carried out only after the surface of the strip has been completely descaled, which minimizes the wear on the rolls.
As a result of the proposed sequence of processes, furthermore,
] the quality of the strip surface is improved without the need for any further measures.
The heating of the strip, the chemical treatment of the strip, and the rolling process are preferably conducted in that order. The rolling process is preferably a tandem rolling process. In general, a “rolling process'' is understood to involve a significant reduction in the thickness of the strip, preferably by at least 20%. As already mentioned above, the chemical treatment of the strip is preferably a pickling ¢ R process. ] The inventive system for the continuous production of a cold-rolled metal strip has an installation for heating, i.e., especially for the annealing, of the strip; an installation for chemically treating the strip; and an installation for rolling the strip. It is provided according to the invention that the installation for rolling the strip is installed downstream of the installation for heating the strip and the installation for chemically treating the strip, where the installation for rolling the strip has at least one tandem rolling mill. This consists of several roll stands, which can be of the 6-high type or of the Z-high type. Beyond this rolling installation,
nothing else is required to reduce the thickness of the strip.
To improve the surface quality, it is also possible to install a stretcher leveling unit between the installation for heating the strip (the annealing furnace) and the installation for chemically treating in the strip (the pickling line). 2a metal grain shot-blasting unit can also be installed between the annealing furnace and the pickling line.
It is also possible to install a trimmer unit downstream of the installation for chemically treating the strip to trim the ’ lateral edges of the strip.
B Providing the installation with at least one, preferably with three, loop towers makes it easier to keep the strip running as smoothly and uniformly as possible through the production system.
Depending on the amount of strip being produced, the previously explained production system can also be operated as a combination annealing and pickling line with integrated rolling mill (tandem mill) for hot-rolled and cold-rolled strip. To make this easier, a degreasing installation can be also be installed upstream of the installation for heating the strip, especially upstream of the entry-side loop tower.
The drawing shows an exemplary embodiment of the invention.
The single figure is a schematic diagram of a system for the production of high-grade steel strip.
In the figure, a system 2 can be seen, in which a metal strip 1 (metal strand) is processed. The strip 1 is guided through the system 2 in the transport direction R, that is, from left to right in the figure, the goal being for the strip 1 to pass through continuously (i.e., to pass through at a more-or- less constant speed). ) The strip 1 is supplied to the system 2 from an entry-side ) section 13 (not shown). That is, the strip 1 is unwrapped with an uncoiler (not shown) and fed into the system 2. Next in the transport direction R is a degreasing installation 12, in which the surface of the strip is cleaned. Then the strip 1 arrives in a loop tower 9 (entry-side storing unit), which is positioned underneath an installation 3 for heating the strip 1 (annealing furnace). The loop tower 9 ensures the continuous travel of the strip even when slight external disturbances occur in the infeed of the strip. :
The strip 1 is subjected to a heat treatment in the annealing furnace 3. Then it arrives in a stretcher leveling .
} unit 6, in which the strip 1 is flattened. The stretcher leveling unit 6 is followed by a metal grain shot-blasting unit
Downstream of the shot-blasting unit 7, an installation 4 for chemically treating the strip 1 is installed, namely, a pickling line, in which the strip 1 is guided through tanks filled with acid. The pickling process is able to remove the layer of scale on the surface of the strip 1, and the quality of the surface of the strip 1 can thus be improved. ) Underneath the pickling line 4 is a loop tower 11 ) (intermediate storing unit). From here, the strip 1 passes onward to a trimmer unit 8,.in which the sides of the strip are trimmed. From the edge trimmer 8, the strip 1 passes by way of another loop tower 10 (exit-side storing unit) to the installation 5 for rolling the strip 1. This installation 5 is designed as a tandem rolling mill. A succession of three rolling stands 5a, 5b, 5¢, is provided, in which the strip 1 is rolled and its thickness thus reduced.
Downstream of the tandem rolling mill 5 is an exit section 14, which has a coiler (not shown), by means of which the finished strip 1 can be wound up into a coil.
} As already mentioned, the tandem rolling mill 5 has three rolling stands 5a, 5b, 5c, which can be designed as a multi-roll cold-rolling mill in the form of a 6-high mill or a Z-high mill.
Because the thickness reduction of the strip 1 occurs only at the end of the system 2 in the single installation 5 for rolling the strip 1, the strip 1 is still relatively thick upon arrival at the tandem rolling mill 5. That is, the strip still has the same thickness which it did on entering the system 2. This means that the design length of both the annealing furnace 3 and ) the pickling line 4 can be kept relatively short. } What is therefore obtained is a system 2 of relatively . compact dimensions, which keeps down the investment costs for the system 2. Both the annealing furnace 3 and the pickling line 4 can be designed for the original thickness of the strip 1, i.e., the thickness at which the strip 1 enters the system 2.
At least for austenitic and simple ferritic materials, the thickness can be reduced without previous annealing. As a result, the maximum thickness reduction is decreased to no more than 30-40%. :
The maximum thickness reduction per pass of the strip 1 through the system 2 is based only on the materials and the capacity of the tandem rolling mill 5. There is no need to take into consideration the unannealed strip.
A rolling stand of the tandem rolling mill 5 can be designed so that the strip 1 can be given a skin pass after a final annealing.
Downstream from the system 2, the descaled and preferably already side-trimmed strip can be supplied continuously to a following installation (a hot-dip galvanizing plant, etc.) under uniform strip tension without intermediate storage. After ) leaving the following installation, the finished strip can then h be coiled up alternately on two different reels and cut into sections with shears. }
] List of Reference Numbers ) 1 strip (metal strand) 2 system 3 installation for heating the strip (annealing furnace) 4 installation for chemically treating the strip (pickling installation) installation for rolling the strip (tandem rolling mill) 5a rolling stand . 5b rolling stand . 5c rolling stand 6 stretcher-leveling unit 7 metal grain shot-blasting unit 8 trimmer unit 9 loop tower (entry-side storage) loop tower (exit-side storage) . 11 loop tower (intermediate storage) 12 degreasing installation 13 entry section 14 exit section ]
R transport direction
Claims (1)
1. Process for the continuous production of metal strip (1), preferably cold-rolled strip and especially high-grade steel strip, where the strip (1) to be produced is guided in the transport direction (R) through a system (2), in which the strip (1) is subjected to a rolling process, to a heating process, and to a chemical treatment, characterized in that the rolling process is conducted only after the strip has been heated and ) chemically treated. :
h 2. Process according to Claim 1, characterized in that the heating of the strip (1), the chemical treatment of the strip (1), and the rolling process are conducted in that order.
3. Process according to Claim 1 or Claim 2, characterized in that the rolling process is a tandem rolling process.
4. Process according to one of Claims 1-3, characterized in that the thickness of the strip (1) is subjected to a significant reduction, preferably by at least 20%.
5. Process according to one of Claims 1-4, characterized in that the chemical treatment is a pickling process.
. 6. System (2) for the continuous production of metal strip (1), preferably cold-rolled strip and especially high-grade steel strip, specifically for the implementation of the process according to one of Claims 1-5, where the strip (1) to be produced passes through the system (2) in the transport direction (R), and where the system (2) has an installation (3) for heating the strip (1), an installation (4) for chemically treating the strip (1), and an installation (5) for rolling the strip (1), ) characterized in that the installation (5) for rolling the strip ) (1) is located downstream, with respect to the transport direction (R), of the installation. (3) for heating the strip (1) and of the installation (4) for chemically treating the strip, and in that the installation (5) for rolling the strip (2) has a tandem rolling mill (5a, 5b, 5c). - System according to Claim 6, characterized in that the rolling stands (5a, 5b, 5c) are designed as a multi-roll cold- rolling mill with a 6-high or Z-high roll arrangement .
8. System according to Claim 6 or Claim 7, characterized in that the installation (4) for chemically treating the strip (1) is a pickling installation.
. 9. System according to one of Claims 6-8, characterized in that a stretcher-leveling unit (6) is located between the installation (3) for heating the strip (1) and the installation (4) for chemically treating the strip (1).
10. System according to one of Claims 6-9, characterized in that a metal grain shot-blasting unit (7) is located between the installation (3) for heating the strip (1) and the installation (4) for chemically treating the strip (1).
11. System according to one of Claims 6-10, characterized ) in that a trimmer unit (8) is installed downstream, with respect i to the transport direction (R), of the installation (4) for chemically treating the strip (1).
12. System according to one of Claims 6-11, characterized in that a degreasing installation (12) is installed upstream, with respect to the transport direction (R), of the installation (3) for heating the strip (1).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10234109A DE10234109A1 (en) | 2002-07-26 | 2002-07-26 | Method and device for the continuous production of metallic strips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200500458B true ZA200500458B (en) | 2006-04-26 |
Family
ID=30010423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200500458A ZA200500458B (en) | 2002-07-26 | 2005-01-18 | Method and device for the continuous production of metallic strips |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US20060053617A1 (en) |
| EP (1) | EP1525060B1 (en) |
| JP (1) | JP2006502003A (en) |
| KR (1) | KR100990865B1 (en) |
| CN (1) | CN1671490A (en) |
| AT (1) | ATE337862T1 (en) |
| AU (1) | AU2003250025B2 (en) |
| BR (1) | BR0312756B1 (en) |
| DE (2) | DE10234109A1 (en) |
| ES (1) | ES2271651T3 (en) |
| MX (1) | MXPA05001083A (en) |
| RU (1) | RU2350415C2 (en) |
| TW (1) | TWI273929B (en) |
| WO (1) | WO2004012878A1 (en) |
| ZA (1) | ZA200500458B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI389747B (en) * | 2007-10-16 | 2013-03-21 | Ihi Metaltech Co Ltd | Recoiling facility for magnesium alloy sheet |
| KR101103346B1 (en) * | 2009-07-14 | 2012-01-11 | 주식회사 동방플랜텍 | Cold Rolled Steel Processing Line |
| RU2499640C1 (en) * | 2012-06-14 | 2013-11-27 | Открытое акционерное общество "Северсталь" (ОАО "Северсталь") | Method of producing cold-rolled stock for wrapping strap |
| RU2592609C1 (en) * | 2015-04-21 | 2016-07-27 | Публичное акционерное общество "Северсталь" (ПАО "Северсталь") | Production method of cold-rolled mill products for baling band |
| TWI625172B (en) * | 2016-09-19 | 2018-06-01 | Composite cold rolling line | |
| US12037654B2 (en) | 2018-09-28 | 2024-07-16 | Jfe Steel Corporation | Method for producing grain-oriented electrical steel sheet and cold-rolling facility |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05161901A (en) * | 1991-12-12 | 1993-06-29 | Sumitomo Metal Ind Ltd | Manufacture of cold rolled strip metal having good surface gloss |
| JPH07164008A (en) * | 1993-12-15 | 1995-06-27 | Nkk Corp | Pickling to cold rolling equipment |
| JPH0824936A (en) * | 1994-07-15 | 1996-01-30 | Nisshin Steel Co Ltd | Method and equipment for rolling metal strip |
| JPH08246060A (en) * | 1995-03-10 | 1996-09-24 | Kawasaki Steel Corp | Production of steel sheet for can |
| DE19532278B4 (en) * | 1995-09-01 | 2006-07-27 | Bwg Bergwerk- Und Walzwerk-Maschinenbau Gmbh | Method for producing a cold-rolled strip in one pass |
| FR2775205B1 (en) * | 1998-02-25 | 2000-03-24 | Usinor | INSTALLATION FOR MANUFACTURING COLD ROLLED STAINLESS STEEL STRIPS |
| WO2000037189A1 (en) * | 1998-12-18 | 2000-06-29 | Avesta Sheffield Aktiebolag (Publ) | Method for manufacturing of strips and rolling mill line |
| JP3460612B2 (en) * | 1999-03-04 | 2003-10-27 | Ｊｆｅスチール株式会社 | Process line with surface defect meter |
| JP3695212B2 (en) * | 1999-03-30 | 2005-09-14 | Ｊｆｅスチール株式会社 | Cold rolling method for stainless steel strip |
| DE10022045C1 (en) * | 2000-02-22 | 2001-07-19 | Sundwig Gmbh | Finishing line for continuously producing cold-rolled metallic strips comprises a device for pickling the strip arranged in region of the start, the conveyor path of the strip and cold roll stands arranged before/after the pickling device |
| JP2001262232A (en) * | 2000-03-15 | 2001-09-26 | Kawasaki Steel Corp | Method for producing stainless steel strip |
| FR2807957B1 (en) * | 2000-04-21 | 2002-08-02 | Vai Clecim | METHOD AND INSTALLATION FOR COLD ROLLING |
| JP2001340905A (en) * | 2000-05-31 | 2001-12-11 | Kawasaki Steel Corp | Rolling method of steel plate having mill scale |
-
2002
- 2002-07-26 DE DE10234109A patent/DE10234109A1/en not_active Withdrawn
-
2003
- 2003-07-03 TW TW092118181A patent/TWI273929B/en active
- 2003-07-10 CN CNA03817975XA patent/CN1671490A/en active Pending
- 2003-07-10 RU RU2005105314/02A patent/RU2350415C2/en not_active IP Right Cessation
- 2003-07-10 EP EP03766145A patent/EP1525060B1/en not_active Expired - Lifetime
- 2003-07-10 BR BRPI0312756-7A patent/BR0312756B1/en not_active IP Right Cessation
- 2003-07-10 AU AU2003250025A patent/AU2003250025B2/en not_active Ceased
- 2003-07-10 US US10/522,484 patent/US20060053617A1/en not_active Abandoned
- 2003-07-10 JP JP2004525173A patent/JP2006502003A/en active Pending
- 2003-07-10 DE DE50304876T patent/DE50304876D1/en not_active Expired - Fee Related
- 2003-07-10 ES ES03766145T patent/ES2271651T3/en not_active Expired - Lifetime
- 2003-07-10 KR KR1020057001351A patent/KR100990865B1/en not_active IP Right Cessation
- 2003-07-10 MX MXPA05001083A patent/MXPA05001083A/en active IP Right Grant
- 2003-07-10 AT AT03766145T patent/ATE337862T1/en not_active IP Right Cessation
- 2003-07-10 WO PCT/EP2003/007464 patent/WO2004012878A1/en active IP Right Grant
-
2005
- 2005-01-18 ZA ZA200500458A patent/ZA200500458B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006502003A (en) | 2006-01-19 |
| EP1525060A1 (en) | 2005-04-27 |
| CN1671490A (en) | 2005-09-21 |
| BR0312756A (en) | 2005-04-26 |
| KR100990865B1 (en) | 2010-10-29 |
| MXPA05001083A (en) | 2005-06-06 |
| TW200414942A (en) | 2004-08-16 |
| US20060053617A1 (en) | 2006-03-16 |
| DE10234109A1 (en) | 2004-02-05 |
| EP1525060B1 (en) | 2006-08-30 |
| RU2350415C2 (en) | 2009-03-27 |
| BR0312756B1 (en) | 2011-05-31 |
| ES2271651T3 (en) | 2007-04-16 |
| ATE337862T1 (en) | 2006-09-15 |
| AU2003250025B2 (en) | 2008-08-28 |
| TWI273929B (en) | 2007-02-21 |
| WO2004012878A1 (en) | 2004-02-12 |
| AU2003250025A1 (en) | 2004-02-23 |
| DE50304876D1 (en) | 2006-10-12 |
| KR20050021565A (en) | 2005-03-07 |
| RU2005105314A (en) | 2005-07-20 |
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