CN115569987A - Production method of copper plate - Google Patents
Production method of copper plate Download PDFInfo
- Publication number
- CN115569987A CN115569987A CN202211101265.1A CN202211101265A CN115569987A CN 115569987 A CN115569987 A CN 115569987A CN 202211101265 A CN202211101265 A CN 202211101265A CN 115569987 A CN115569987 A CN 115569987A
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- CN
- China
- Prior art keywords
- rolling
- copper plate
- blank
- producing
- heating
- 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.)
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Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 77
- 239000010949 copper Substances 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000005097 cold rolling Methods 0.000 claims abstract description 22
- 238000005098 hot rolling Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 14
- 239000003034 coal gas Substances 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 6
- 239000002893 slag Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 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
- 238000010924 continuous production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 208000037805 labour Diseases 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- 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
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- B21B1/38—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 sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/20—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a copper plate production method, which adopts a continuous furnace to heat a blank, and adopts a mode of combining hot rolling and cold rolling to roll the blank, in particular to hot rolling adopted for rough rolling and cold rolling adopted for finish rolling. The invention can realize the production of copper plates with special specifications and lengths of more than 20000mm and widths of more than 3000mm through reasonable heating system and rolling process, and the produced copper plates have good surface quality, regular rectangle degree and unevenness of less than or equal to 3mm/m.
Description
Technical Field
The invention relates to a production method of a copper plate, belonging to the field of material processing.
Background
The red copper has good corrosion resistance in the atmosphere, seawater, certain non-oxidizing acids (hydrochloric acid and dilute sulfuric acid), alkali, salt solution and various organic acids (acetic acid and citric acid), and is used in containers in the chemical industry and used as a covering material of explosive composite plates.
The width of copper product on the existing market is within 3000mm, if when making the width container board clad plate of more than 3000mm use, needs the secondary open welding, not only takes time and labours, has more quality problems moreover, like small-size hole defect, rosin joint and welding crack etc.. At present, domestic copper processing enterprises basically adopt a resistance furnace for heating production, the technology can only carry out heating production on small-specification blanks and small-single-weight copper blanks, and cannot realize continuous production of large-specification copper blanks; the copper plate used in special fields such as large area, super-wide (more than 3000 mm) and the like can not be produced by small-specification blanks and small-single-weight copper blanks.
Disclosure of Invention
The invention aims to provide a method for producing a copper plate with a length of more than 20000mm and a width of more than 3000 mm.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a production method of a copper plate adopts a continuous furnace to heat a blank, and adopts a mode of combining hot rolling and cold rolling to roll the blank, specifically adopts hot rolling for rough rolling and cold rolling for finish rolling.
The continuous furnace is a heating furnace for producing steel billets, and mixed gas consisting of air and coal gas is used as heating gas; when the blank is heated, the flow ratio of the air and the coal gas of the heating gas in the heating furnace is controlled to be 30-35: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 840-850 ℃, and the heat preservation time is 3.5-5 hours.
According to the rough rolling, under the condition that the temperature of the red copper blank is beneficial, the blank is rolled under high pressure, the width of the blank is rapidly rolled to be more than 3000mm, and the final rolling temperature of the rough rolling is controlled to be 450-500 ℃.
The finish rolling is carried out, firstly, putting the intermediate blank after rough rolling into ACC equipment for cooling, wherein the cooling temperature is 200-150 ℃; and after cooling, the cold rolled steel is conveyed back to a finishing mill from a roller way for cold rolling, and the pass reduction during cold rolling is 10-15 mm.
The thickness of the intermediate blank after rough rolling is 70-80mm.
The copper plate produced by the method has the width of 3000-3600mm and the length of 20000-25000mm.
The unevenness of the copper plate produced by the method is less than or equal to 3mm/m.
The invention adopts a continuous furnace which takes mixed gas (coal gas and air) as a heating environment to heat the blank, and adopts a mode of combining hot rolling and cold rolling to roll the blank, in particular to a production mode of hot rolling for rough rolling and cold rolling for finish rolling, which can realize the continuous production of copper plates with the thickness of 8-16mm, the width of more than 3000mm and the length of more than 20000mm, and the produced copper plates have good surface quality, regular rectangle degree and unevenness of less than or equal to 3mm/m.
Detailed Description
The technical solution of the present invention is described in detail by the following specific examples.
Example 1
The red copper with the thickness of 8mm, the width of 3200mm and the length of 20000mm is produced by the following steps:
conveying the red copper blank with the thickness of 300mm to a continuous furnace from a roller way, and controlling the flow ratio of heating gas air to coal gas in the heating furnace to be 30: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 842 ℃, and the heat preservation time is 3.5 hours.
Before rolling, a phosphorus removal box is used for removing phosphorus and slag, foreign matters and the like on the blank, so that the defect of pressing-in property is avoided. During rough rolling, under the beneficial condition of the red copper blank belt temperature, rolling under large reduction is carried out, the width of the blank is quickly rolled to 3250mm, and the final rolling temperature of the rough rolling is controlled at 450 ℃. The rough rolling blank is rolled to 70mm and sent to a finishing mill. And during finish rolling, firstly entering ACC equipment to cool the copper plate, wherein the cooling temperature is 200 ℃, and after cooling, transporting the copper plate from a roller way to a finishing mill to perform cold rolling, wherein the pass reduction during cold rolling is 10mmmm. After rolling, the copper plate is lifted by using a vacuum magnetic disc crane, and is straightened by a cold straightener.
The copper plate prepared by the embodiment has the width of 3200mm and the length of 20 meters, and has good surface quality, regular rectangle degree and unevenness of 3mm/m.
Example 2
The production steps of red copper with the thickness of 10mm, the width of 3350mm and the length of 21000mm are as follows:
conveying the red copper blank with the thickness of 320mm to a continuous furnace from a roller way, and controlling the flow ratio of the air and the coal gas of heating gas in the heating furnace to be 32: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 845 ℃, and the heat preservation time is 4 hours.
Before rolling, a phosphorus removal box is used for removing phosphorus and slag, foreign matters and the like on the blank, so that the defect of pressing-in property is avoided. During rough rolling, under the beneficial condition of the red copper blank belt temperature, rolling under large reduction is carried out, the width of the blank is quickly rolled to 3420mm, and the final rolling temperature of the rough rolling is controlled at 470 ℃. The rough rolling blank is rolled to 75mm and sent to a finishing mill. And during finish rolling, the copper plate is firstly cooled in ACC equipment, the cooling temperature is 180 ℃, after cooling, the copper plate is conveyed back to a finishing mill from a roller way for cold rolling, and the pass reduction is 12mmmm during cold rolling. After rolling, the copper plate is lifted by using a vacuum magnetic disc crane, and is straightened by a cold straightener.
The width of the copper plate prepared by the embodiment is 3350mm, the length of the copper plate is 21 m, the surface quality of the copper plate is good, the copper plate has regular squareness, and the unevenness is 2.5mm/m.
Example 3
The production steps of red copper with the thickness of 12mm, the width of 3400mm and the length of 22000mm are as follows:
conveying the red copper blank with the thickness of 340mm to a continuous furnace from a roller way, and controlling the flow ratio of heating gas air to coal gas in the heating furnace to be 35: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 845 ℃, and the heat preservation time is 4.5 hours.
Before rolling, a phosphorus removal box is used for removing phosphorus and slag, foreign matters and the like on the blank, so that the defect of pressing-in property is avoided. During rough rolling, under the beneficial condition of the temperature of the red copper blank, the blank is rolled under large reduction, the width of the blank is rapidly rolled to 3570mm, and the final rolling temperature of the rough rolling is controlled at 460 ℃. The rough rolling blank is rolled to 75mm and sent to a finishing mill. And during finish rolling, the copper plate is firstly cooled in ACC equipment at 160 ℃, and then the copper plate is conveyed back to a finishing mill from a roller way for cold rolling after being cooled, wherein the pass reduction is 12mmmm during cold rolling. After rolling, the copper plate is lifted by using a vacuum magnetic disc crane, and is straightened by a cold straightener.
The copper plate prepared by the embodiment has the width of 3400mm and the length of 22 meters, and has good surface quality, positive squareness and unevenness of 1mm/m.
Example 4
The production steps of red copper with the thickness of 14mm, the width of 3500mm and the length of 22500mm are as follows:
conveying the red copper blank with the thickness of 340mm to a continuous furnace from a roller way, and controlling the flow ratio of the air and the coal gas of heating gas in the heating furnace to be 32: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 850 ℃, and the heat preservation time is 5 hours.
Before rolling, a dephosphorization box is used for dephosphorization and slag, foreign matters and the like on the blank, so that the defect of pressing-in property is avoided. During rough rolling, under the beneficial condition of the temperature of the red copper blank, the blank is rolled under high pressure, the width of the blank is rapidly rolled to 3590mm, and the final rolling temperature of the rough rolling is controlled at 480 ℃. The rough rolling blank is rolled to 75mm and sent to a finishing mill. And during finish rolling, the steel plate is firstly cooled in ACC equipment, the cooling temperature is 150 ℃, after cooling, the steel plate is conveyed back to a finishing mill from a roller way to be subjected to cold rolling, and the pass reduction is 12mmmm during cold rolling. After rolling, the copper plate is lifted by using a vacuum magnetic disc crane, and the copper plate is straightened by a cold straightening machine.
The width of the copper plate prepared by the embodiment is 3500mm, the length of the copper plate is 22.5 meters, the surface quality of the copper plate is good, the copper plate has a regular rectangle degree, and the unevenness is 1mm/m.
Example 5
The production steps of the red copper with the thickness of 16mm, the width of 3600mm and the length of 2100mm are as follows:
conveying the red copper blank with the thickness of 340mm to a continuous furnace from a roller way, and controlling the flow ratio of heating gas air to coal gas in the heating furnace to be 35: 1; after the red copper blank is put into the furnace, the temperature is quickly raised to 840 ℃, the maximum heating temperature is 850 ℃, and the heat preservation time is 5 hours.
Before rolling, a phosphorus removal box is used for removing phosphorus and slag, foreign matters and the like on the blank, so that the defect of pressing-in property is avoided. During rough rolling, under the beneficial condition of the temperature of the red copper blank, the blank is rolled under high pressure, the width of the blank is rapidly rolled to 3700mm, and the final rolling temperature of the rough rolling is controlled at 500 ℃. The rough rolling blank is rolled to 80mm and sent to a finishing mill. And during finish rolling, the steel plate is firstly cooled in ACC equipment, the cooling temperature is 150 ℃, after cooling, the steel plate is conveyed back to a finishing mill from a roller way to be subjected to cold rolling, and the pass reduction is 15mmmm during cold rolling. After rolling, the copper plate is lifted by using a vacuum magnetic disc crane, and is straightened by a cold straightener.
The copper plate prepared by the embodiment has the width of 3600mm and the length of 21 meters, the surface quality of the copper plate is good, the squareness is positive, and the unevenness is 2mm/m.
Claims (9)
1. A method for producing a copper plate, characterized in that: the method comprises the steps of heating a blank by a continuous furnace, and rolling the blank by a mode of combining hot rolling and cold rolling, wherein the hot rolling is adopted for rough rolling, and the cold rolling is adopted for finish rolling.
2. The method for producing a copper plate according to claim 1, characterized in that: the continuous furnace adopts mixed gas consisting of air and coal gas as heating gas for heating.
3. A method of producing a copper plate according to claim 1 or 2, characterized in that: when the continuous furnace is adopted to heat the blank, the flow ratio of the air and the coal gas of the heating gas in the heating furnace is controlled to be 30-35: 1.
4. The method for producing a copper plate as claimed in claim 1, wherein: the maximum heating temperature of the continuous furnace is 840-850 ℃, and the heat preservation time is 3.5-5 hours.
5. The method for producing a copper plate according to claim 1, characterized in that: the rough rolling is to carry out rolling under large reduction under the condition that the temperature of the red copper blank is beneficial, the width of the blank is quickly rolled to be more than 3000mm, and the final rolling temperature of the rough rolling is controlled to be 450-500 ℃.
6. The method for producing a copper plate as claimed in claim 1, wherein: the finish rolling, firstly, putting the intermediate blank after rough rolling into ACC equipment for cooling, wherein the cooling temperature is 200-150 ℃; and after cooling, the steel plate is conveyed back to a finishing mill from the roller way to be subjected to cold rolling, and the pass reduction during the cold rolling is 10-15 mm.
7. The method for producing a copper plate as claimed in claim 6, wherein: the thickness of the intermediate blank after rough rolling is 70-80mm.
8. The method for producing a copper plate according to claim 1, characterized in that: the copper plate produced by the method has the width of 3000-3600mm and the length of 20000-25000mm.
9. The method for producing a copper plate as claimed in claim 1, wherein: the unevenness of the copper plate produced by the method is less than or equal to 3mm/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211101265.1A CN115569987A (en) | 2022-09-09 | 2022-09-09 | Production method of copper plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211101265.1A CN115569987A (en) | 2022-09-09 | 2022-09-09 | Production method of copper plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115569987A true CN115569987A (en) | 2023-01-06 |
Family
ID=84582071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211101265.1A Pending CN115569987A (en) | 2022-09-09 | 2022-09-09 | Production method of copper plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115569987A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11158614A (en) * | 1997-11-28 | 1999-06-15 | Hitachi Metals Ltd | Copper target for sputtering and its production |
| CN101110285A (en) * | 2006-07-20 | 2008-01-23 | 靖江市泰力有色合金实业有限公司 | High-conductivity electronic brass plate manufacturing technique |
| CN101474745A (en) * | 2009-01-20 | 2009-07-08 | 清华大学 | Method for preparing AZ31B magnesium alloy pressing sheet material |
| CN102652182A (en) * | 2009-12-22 | 2012-08-29 | 三菱伸铜株式会社 | Manufacturing method of pure copper plates, and pure copper plate |
| CN102712986A (en) * | 2010-02-09 | 2012-10-03 | 三菱伸铜株式会社 | Pure copper plate production method, and pure copper plate |
| CN102712987A (en) * | 2010-02-09 | 2012-10-03 | 三菱伸铜株式会社 | Pure copper plate production method, and pure copper plate |
| CN103028602A (en) * | 2012-10-30 | 2013-04-10 | 鞍钢股份有限公司 | Method for rolling magnesium alloy sheet strip |
| CN103752609A (en) * | 2013-12-13 | 2014-04-30 | 金川集团股份有限公司 | Method for rolling current-conducting copper bar or plate by using hot rolling machine |
| CN104190711A (en) * | 2014-09-24 | 2014-12-10 | 江苏鑫成铜业有限公司 | Production technology for pure copper plate |
| CN107052048A (en) * | 2017-03-22 | 2017-08-18 | 舞阳钢铁有限责任公司 | A kind of hot rolling production method of ultra-wide titanium plate |
| CN107262532A (en) * | 2017-05-31 | 2017-10-20 | 舞阳钢铁有限责任公司 | A kind of heating rolling production method of ultra-wide stainless steel plate |
| CN114888083A (en) * | 2022-06-25 | 2022-08-12 | 湖南华菱湘潭钢铁有限公司 | Method for rolling wide thin plate by medium plate mill |
-
2022
- 2022-09-09 CN CN202211101265.1A patent/CN115569987A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11158614A (en) * | 1997-11-28 | 1999-06-15 | Hitachi Metals Ltd | Copper target for sputtering and its production |
| CN101110285A (en) * | 2006-07-20 | 2008-01-23 | 靖江市泰力有色合金实业有限公司 | High-conductivity electronic brass plate manufacturing technique |
| CN101474745A (en) * | 2009-01-20 | 2009-07-08 | 清华大学 | Method for preparing AZ31B magnesium alloy pressing sheet material |
| CN102652182A (en) * | 2009-12-22 | 2012-08-29 | 三菱伸铜株式会社 | Manufacturing method of pure copper plates, and pure copper plate |
| CN102712986A (en) * | 2010-02-09 | 2012-10-03 | 三菱伸铜株式会社 | Pure copper plate production method, and pure copper plate |
| CN102712987A (en) * | 2010-02-09 | 2012-10-03 | 三菱伸铜株式会社 | Pure copper plate production method, and pure copper plate |
| CN103028602A (en) * | 2012-10-30 | 2013-04-10 | 鞍钢股份有限公司 | Method for rolling magnesium alloy sheet strip |
| CN103752609A (en) * | 2013-12-13 | 2014-04-30 | 金川集团股份有限公司 | Method for rolling current-conducting copper bar or plate by using hot rolling machine |
| CN104190711A (en) * | 2014-09-24 | 2014-12-10 | 江苏鑫成铜业有限公司 | Production technology for pure copper plate |
| CN107052048A (en) * | 2017-03-22 | 2017-08-18 | 舞阳钢铁有限责任公司 | A kind of hot rolling production method of ultra-wide titanium plate |
| CN107262532A (en) * | 2017-05-31 | 2017-10-20 | 舞阳钢铁有限责任公司 | A kind of heating rolling production method of ultra-wide stainless steel plate |
| CN114888083A (en) * | 2022-06-25 | 2022-08-12 | 湖南华菱湘潭钢铁有限公司 | Method for rolling wide thin plate by medium plate mill |
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