CN113560358A - Production method of clad copper-clad steel - Google Patents
Production method of clad copper-clad steel Download PDFInfo
- Publication number
- CN113560358A CN113560358A CN202110730798.5A CN202110730798A CN113560358A CN 113560358 A CN113560358 A CN 113560358A CN 202110730798 A CN202110730798 A CN 202110730798A CN 113560358 A CN113560358 A CN 113560358A
- Authority
- CN
- China
- Prior art keywords
- copper
- wire rod
- clad
- clad steel
- percent
- 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.)
- Granted
Links
Classifications
-
- 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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/20—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes from stock of essentially unlimited length
-
- 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
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
- B21B37/76—Cooling control on the run-out table
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
Abstract
The invention relates to a production method of clad copper-clad steel, which comprises the following steps: cleaning, drying, coating and welding the wire rod to prepare a coated copper-clad steel wire rod, and then drawing, annealing, surface passivating and taking up the wire rod to prepare a coated copper-clad steel finished product; wherein the drawing process adopts a continuous drawing mode and has a diameter of
The coated copper-clad steel wire rod is pulled to the diameter of
Description
Technical Field
The invention relates to the technical field of production of coated copper clad steel wires, in particular to a copper clad steel wire
A method for producing clad copper-clad steel by specification wire rods.
Background
The copper-clad steel is a copper-clad steel wire, namely a composite wire with a copper layer wrapped on the periphery of the steel wire. In the field of communication and telecommunication, the copper-clad steel wire integrates the tensile strength and toughness of steel (2 times of that of a pure copper wire), the conductivity and high-frequency characteristics of copper, has light weight (12 percent lighter than the pure copper wire), no creep, can withstand the attack of wind, snow and ice buds, can withstand large-span, salt mist and easily-corrosive environment, can reduce the distortion and distortion of transmitted information, improves the transmission quality, simultaneously has the advantages of saving copper materials, reducing cost and the like, and is an ideal substitute of a pure copper wire product. The copper clad steel wire is widely applied to core wires of parallel twin-core telephone user communication, connectors of various electronic components, core wires of military covered wires, overhead wires of power transmission and telephone lines, overhead wires of electrified railways and electrified light rail contact networks, braided shield wires of power cables, copper clad steel stranded wire carrier cables and suspension strings, grounding rods in the power industry and the like.
In recent years, with the continuous development of the communication industry and the electronic information industry, the application field of copper clad steel wire products is continuously expanded, and higher requirements on the performance of the products are provided. The coated copper-clad steel is mainly applied to the fields of high precision end and high conductivity such as coaxial cables, security wires and the like, and the production process of the conventional copper-clad steel wire comprises the following steps: wire rod-drawing-annealing-copper plating-finished copper-clad steel wire. The clad copper-clad steel is produced by adopting the process of conductive steel wire rod-clad copper-drawing, in order to ensure the drawing performance and the service performance of the wire rod, the extremely strict requirements on each index of the wire rod are provided, and the control difficulty of the production process is very large.
The Chinese patent with the publication number of CN102268595B discloses a steel for copper-clad steel and a production method thereof, which only relates to the production method of a copper-clad steel wire rod and does not relate to the production process of cladding copper-clad steel; the Chinese patent application with the publication number of CN109433835A discloses a production method of a large-size stranded wire electroplated copper-clad steel wire, which is completely different from the production process of the clad copper-clad steel wire and does not relate to the production process of a wire rod; the Chinese patent application with the publication number of CN109396200A discloses a production process for pre-treating large-size steel wires for cladding copper-clad steel, which only relates to a pre-treatment process for producing copper-clad steel wires by using conductive steel wire rods as raw materials, and does not relate to a production process for cladding copper and subsequent cladding copper-clad steel; the Chinese patent with the publication number of CN103531301B discloses a process for producing a soft copper-clad steel wire by adopting a welding cladding method, and the Chinese patent with the publication number of CN109290388A discloses a continuous cladding rolling production process for a copper-clad steel wire, wherein pre-drawing, cladding copper plus (rolling) and drawing processes are adopted to produce cladding copper-clad steel, and more than two times of annealing treatment are needed in the middle, the process is complex, and the production cost is increased.
Disclosure of Invention
The invention provides a production method of coated copper-clad steel, which adopts a conductive steel wire rod as a raw material to directly coat copper, then draws the steel wire rod to form a finished steel wire, meets various index requirements of the coated copper-clad steel by controlling the structural property uniformity, the drawability and the electric conductivity of the wire rod, only needs one-time annealing, saves the pre-drawing process, realizes the process reduction, saves energy, reduces consumption and reduces the processing cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production method of clad copper-clad steel comprises the following production processes: cleaning, drying, coating and welding the wire rod to prepare a coated copper-clad steel wire rod, and then drawing, annealing, surface passivating and taking up the wire rod to prepare a coated copper-clad steel finished product; wherein the drawing process adopts a continuous drawing mode and has a diameter of
The coated copper-clad steel wire rod is pulled to the diameter of
Then carrying out primary annealing and drawing to the diameter of a finished product; the drawing is carried out in the first pass by adopting a large compression ratio of more than 25 percent, and the single-pass compression ratio of the subsequent pass is 15 to 20 percent; the annealing process specifically comprises the following steps: heating at 840 +/-10 deg.C for more than 2 hr, holding for more than 4 hr, and cooling in furnace.
The wire rod comprises the following chemical components in percentage by mass: less than or equal to 0.010 percent of C, less than or equal to 0.010 percent of Si, less than or equal to 0.20 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.015 percent of S, less than or equal to 0.015 percent of Al, less than or equal to 0.0050 percent of N, and the balance of Fe and inevitable impurities.
The production process of the wire rod comprises the following steps:
1) cutting the plate blank after smelting and continuous casting into square blanks;
2) heating to 1050-1150 ℃, and descaling the surface at a descaling pressure of more than 20 MPa;
3) rolling; the temperature in finish rolling is 840-940 ℃; controlling the spinning temperature at 860-930 ℃;
4) cooling the wire rod: cooling the wire rod after spinning on an air cooling roller way, closing a heat preservation cover, closing a fan, and enabling the speed of the roller way to be 0.2-0.4 m/s;
the dimensional accuracy of the wire rod is required to be more than grade C, the diameter deviation is within +/-0.25 mm, and the out-of-roundness is less than or equal to 0.24 mm; the tensile strength of the wire rod is less than or equal to 300MPa, and the grain size is more than 6 grade.
The production method of the clad copper-clad steel comprises 2 procedures of acid washing and water washing.
The cladding welding process specifically comprises the following steps: polishing the wire rod, and cleaning the copper strip; at room temperature, the copper strip is coiled by a covering machine and then is covered on the outer layer of the wire rod, and then the open end of the copper strip is welded to prepare a covered copper-clad steel wire rod; the thickness of the copper strip is 1-1.5 mm, and the purity is more than 99.99%.
The conductivity of the clad copper-clad steel finished product is 25-45%.
The diameter of the clad copper clad steel finished product is
Compared with the prior art, the invention has the beneficial effects that:
1) when the conventional coated copper clad steel is produced at present, the following methods are generally adopted: the production process of pre-drawing raw materials, coating copper and drawing needs more than two times of annealing in the middle; according to the invention, the conductive steel wire rod is used as a raw material, and the pre-drawing process before copper cladding is omitted by strictly controlling the dimensional precision of the wire rod, so that the wire rod can be directly clad with copper;
2) the intermediate annealing is only carried out once, so that the process reduction is realized, and the production and processing cost is reduced;
3) the cold process is adopted for cladding, so that annealing passes are reduced, a pre-drawing process is omitted, the process is simpler, the operating efficiency is higher, and the aims of improving the productivity, saving energy and reducing consumption are fulfilled;
4) compared with a copper plating production process, the copper coating process is more environment-friendly, the copper strip is uniform in thickness, so that the product quality and the electric conductivity are more stable, and the problem of non-uniform copper plating layer of the steel wire in the copper plating process is solved;
5) the coated copper-clad steel produced by the method has good uniformity of structure performance, good steel wire drawing performance and excellent conductivity, and meets the requirements of various indexes of the coated copper-clad steel.
Detailed Description
The invention relates to a production method of clad copper-clad steel, which comprises the following production processes: cleaning, drying, coating and welding the wire rod to prepare a coated copper-clad steel wire rod, and then drawing, annealing, surface passivating and taking up the wire rod to prepare a coated copper-clad steel finished product; wherein the drawing process adopts a continuous drawing mode and has a diameter of
The coated copper-clad steel wire rod is pulled to the diameter of
Then carrying out primary annealing and drawing to the diameter of a finished product; the drawing is carried out in the first pass by adopting a large compression ratio of more than 25 percent, and the single-pass compression ratio of the subsequent pass is 15 to 20 percent; the annealing process specifically comprises the following steps: heating at 840 +/-10 deg.C for more than 2 hr, holding for more than 4 hr, and cooling in furnace.
The wire rod comprises the following chemical components in percentage by mass: less than or equal to 0.010 percent of C, less than or equal to 0.010 percent of Si, less than or equal to 0.20 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.015 percent of S, less than or equal to 0.015 percent of Al, less than or equal to 0.0050 percent of N, and the balance of Fe and inevitable impurities.
The production process of the wire rod comprises the following steps:
1) cutting the plate blank after smelting and continuous casting into square blanks;
2) heating to 1050-1150 ℃, and descaling the surface at a descaling pressure of more than 20 MPa;
3) rolling; the temperature in finish rolling is 840-940 ℃; controlling the spinning temperature at 860-930 ℃;
4) cooling the wire rod: cooling the wire rod after spinning on an air cooling roller way, closing a heat preservation cover, closing a fan, and enabling the speed of the roller way to be 0.2-0.4 m/s;
the dimensional accuracy of the wire rod is required to be more than grade C, the diameter deviation is within +/-0.25 mm, and the out-of-roundness is less than or equal to 0.24 mm; the tensile strength of the wire rod is less than or equal to 300MPa, and the grain size is more than 6 grade.
The production method of the clad copper-clad steel comprises 2 procedures of acid washing and water washing.
The cladding welding process specifically comprises the following steps: polishing the wire rod, and cleaning the copper strip; at room temperature, the copper strip is coiled by a covering machine and then is covered on the outer layer of the wire rod, and then the open end of the copper strip is welded to prepare a covered copper-clad steel wire rod; the thickness of the copper strip is 1-1.5 mm, and the purity is more than 99.99%.
The conductivity of the clad copper-clad steel finished product is 25-45%.
The diameter of the clad copper clad steel finished product is
Compared with the production method of copper-clad steel wires by adopting an electroplating process, the production method of the copper-clad steel wires has the advantages that the copper-clad process is more environment-friendly, high-conductivity products can be produced, the thickness of copper strips is more uniform, the product quality and the conductivity are more stable, and the problem of non-uniform thickness of copper-clad layers of the copper-clad steel wires produced by the copper-clad process is solved. Compared with the traditional coating process, the coating process disclosed by the invention adopts a cold process for coating, so that the energy is saved and the consumption is reduced. In addition, the invention adopts the copper-clad and drawing process for production, saves the pre-drawing process before cladding the copper by controlling the dimensional precision of the wire rod, has fewer drawing passes and simpler operation, improves the operation efficiency, improves the productivity, and saves energy and reduces consumption at the same time.
The invention realizes the process reduction, and compared with other conventional copper coating processes, the intermediate annealing is only carried out once, so that 1 annealing procedure is saved, and the processing cost is reduced.
The electric conductivity of the clad copper-clad steel produced by the method is 25-45%, and the use requirement of the product can be well met.
The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples.
[ example 1 ]
In this example, the diameter of the wire rod used for producing the clad copper clad steel is specified as
The production process of the wire rod comprises the following steps: cutting the continuous casting plate blank into square blanks, wherein the heating temperature of a wire rod is 1100 ℃, the descaling pressure is 20MPa, the finish rolling temperature is 850 ℃, the spinning temperature is 890 ℃, the wire rods are cooled on an air-cooled roller way after spinning, a heat-preserving cover and a fan are all closed, and the speed of the roller way is 0.2 m/s.
The production process of the clad copper-clad steel comprises the following steps:
1) pickling to remove the iron scale on the surface of the wire rod;
2) washing with water to remove acid liquor on the surface of the wire rod in the previous working procedure;
3) drying to remove residual water on the surface of the wire rod, and preparing for the next copper coating process;
4) a cladding welding process; polishing the wire rod, cleaning the copper strip, removing oil stains and dust on the surfaces of the wire rod and the copper strip, and increasing the binding force between the wire rod and the copper strip; at room temperature, winding and cladding the copper strip on the outer layer of the wire rod by using a cladding machine, and then welding the open end of the copper strip to prepare a copper-clad steel wire rod, wherein the thickness of the copper strip is 1mm, and the purity of the copper strip is 99.99%;
5) adopting a continuous drawing mode to make the diameter of the steel wire be
The coated copper clad steel wire rod is pulled to
According to the specification, primary annealing treatment is carried out in the middle, the heating temperature is 830 ℃, the heating time is 2 hours, the heat preservation time is 4 hours, and then the annealing furnace is cooled.
The drawing is carried out by adopting a large compression ratio of 25% in the first drawing pass so as to achieve a good coating effect, and the drawing is carried out by adopting a medium compression ratio of 15% -20% in each subsequent drawing pass;
6) surface passivation treatment; carrying out surface passivation treatment on the drawn steel wire to prevent the surface of the steel wire from being oxidized;
7) taking up; and (5) taking up the steel wire and packaging.
The tensile strength of the wire rod produced by the embodiment is 280MPa, the reduction of area is 90%, the conductivity of the wire rod is 16.6%, and the grain size of the wire rod is 6.5 grade. The electric conductivity of the produced coated copper-clad steel is 35%, and the technical requirements of users on the coated copper-clad steel are well met.
[ example 2 ]
In this example, the diameter of the wire rod used for producing the clad copper clad steel is specified as
The production process of the wire rod comprises the following steps: cutting the continuous casting plate blank into square blanks, wherein the heating temperature of a wire rod is 1080 ℃, the descaling pressure is 21MPa, the finish rolling temperature is 900 ℃, the spinning temperature is 900 ℃, the wire rod is cooled on an air-cooled roller way after spinning, a heat-preserving cover and a fan are all closed, and the speed of the roller way is 0.3 m/s.
The production process of the clad copper-clad steel comprises the following steps:
1) pickling to remove the iron scale on the surface of the wire rod;
2) washing with water to remove acid liquor on the surface of the wire rod in the previous working procedure;
3) drying to remove residual water on the surface of the wire rod, and preparing for the next copper coating process;
4) a cladding welding process; polishing the wire rod, cleaning the copper strip, removing oil stains and dust on the surfaces of the wire rod and the copper strip, and increasing the binding force between the wire rod and the copper strip; at room temperature, winding and cladding the copper strip on the outer layer of the wire rod by using a cladding machine, and then welding the open end of the copper strip to prepare a copper-clad steel wire rod, wherein the thickness of the copper strip is 1.5mm, and the purity of the copper strip is 99.99%;
5) adopting a continuous drawing mode to make the diameter of the steel wire be
The coated copper clad steel wire rod is pulled to
According to the specification, primary annealing treatment is carried out in the middle, the heating temperature during annealing is 850 ℃, the heating time is 2 hours, the heat preservation time is 4 hours, and then furnace cooling is carried out.
The drawing is carried out by adopting a large compression ratio of 25% in the first drawing pass so as to achieve a good coating effect, and the drawing is carried out by adopting a medium compression ratio of 15% -20% in each subsequent drawing pass;
6) surface passivation treatment; carrying out surface passivation treatment on the drawn steel wire to prevent the surface of the steel wire from being oxidized;
7) taking up; and (5) taking up the steel wire and packaging.
The tensile strength of the wire rod produced in the embodiment is 285MPa, the reduction of area is 92%, the conductivity of the wire rod is 16.8%, and the grain size of the wire rod is 6 grades. The electric conductivity of the produced coated copper-clad steel is 38%, and the technical requirements of users on the coated copper-clad steel are well met.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The production method of the clad copper-clad steel is characterized by comprising the following production processes: cleaning, drying, coating and welding the wire rod to prepare a coated copper-clad steel wire rod, and then drawing, annealing, surface passivating and taking up the wire rod to prepare a coated copper-clad steel finished product; wherein the drawing process adopts a continuous drawing mode and has a diameter of
The coated copper-clad steel wire rod is pulled to the diameter of
Then carrying out primary annealing and drawing to the diameter of a finished product; the drawing is carried out in the first pass by adopting a large compression ratio of more than 25 percent, and the single-pass compression ratio of the subsequent pass is 15 to 20 percent; the annealing process specifically comprises the following steps: heating at 840 +/-10 deg.C for more than 2 hr, holding for more than 4 hr, and cooling in furnace.
2. The production method of the clad copper-clad steel according to claim 1, wherein the wire rod comprises the following chemical components in percentage by mass: less than or equal to 0.010 percent of C, less than or equal to 0.010 percent of Si, less than or equal to 0.20 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.015 percent of S, less than or equal to 0.015 percent of Al, less than or equal to 0.0050 percent of N, and the balance of Fe and inevitable impurities.
3. The production method of the clad copper-clad steel according to claim 1, wherein the production process of the wire rod is as follows:
1) cutting the plate blank after smelting and continuous casting into square blanks;
2) heating to 1050-1150 ℃, and descaling the surface at a descaling pressure of more than 20 MPa;
3) rolling; the temperature in finish rolling is 840-940 ℃; controlling the spinning temperature at 860-930 ℃;
4) cooling the wire rod: cooling the wire rod after spinning on an air cooling roller way, closing a heat preservation cover, closing a fan, and enabling the speed of the roller way to be 0.2-0.4 m/s;
the dimensional accuracy of the wire rod is required to be more than grade C, the diameter deviation is within +/-0.25 mm, and the out-of-roundness is less than or equal to 0.24 mm; the tensile strength of the wire rod is less than or equal to 300MPa, and the grain size is more than 6 grade.
4. The method for producing the clad copper-clad steel according to claim 1, wherein the cleaning comprises 2 processes of pickling and water washing.
5. The production method of the clad copper-clad steel according to claim 1, wherein the cladding welding process specifically comprises the following steps: polishing the wire rod, and cleaning the copper strip; at room temperature, the copper strip is coiled by a covering machine and then is covered on the outer layer of the wire rod, and then the open end of the copper strip is welded to prepare a covered copper-clad steel wire rod; the thickness of the copper strip is 1-1.5 mm, and the purity is more than 99.99%.
6. The production method of the clad copper-clad steel as claimed in claim 1, wherein the finished clad copper-clad steel product has an electrical conductivity of 25-45%.
7. The method for producing clad copper-clad steel according to claim 1, wherein the diameter of the finished clad copper-clad steel product is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730798.5A CN113560358B (en) | 2021-06-29 | 2021-06-29 | Production method of clad copper-clad steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110730798.5A CN113560358B (en) | 2021-06-29 | 2021-06-29 | Production method of clad copper-clad steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113560358A true CN113560358A (en) | 2021-10-29 |
| CN113560358B CN113560358B (en) | 2023-01-13 |
Family
ID=78163124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110730798.5A Active CN113560358B (en) | 2021-06-29 | 2021-06-29 | Production method of clad copper-clad steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113560358B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043094A (en) * | 2023-01-09 | 2023-05-02 | 鞍钢股份有限公司 | Copper-clad steel wire manufacturing method for improving heat treatment performance of intermediate wire |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3455016A (en) * | 1967-04-26 | 1969-07-15 | Texas Instruments Inc | Manufacture of clad wire and the like |
| US4156500A (en) * | 1976-06-02 | 1979-05-29 | Sumitomo Electric Industries, Ltd. | Method and apparatus for producing copper clad steel wire |
| CN101763916A (en) * | 2009-12-30 | 2010-06-30 | 甘肃天拓冶金科技有限公司 | Production method for copper-clad steel double-metal wire |
| CN101992224A (en) * | 2009-08-13 | 2011-03-30 | 大连通大设备技术开发有限公司 | Production process of clad steel wire rod with steel core wire of dual phase structure |
| CN107675068A (en) * | 2017-09-27 | 2018-02-09 | 武汉钢铁有限公司 | The production method of superfine welding wire steel wire rod |
| CN110004376A (en) * | 2019-04-16 | 2019-07-12 | 江阴兴澄合金材料有限公司 | A kind of manufacturing method of middle carbon CrMo steel wire rod that exempting from annealing drawing |
-
2021
- 2021-06-29 CN CN202110730798.5A patent/CN113560358B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3455016A (en) * | 1967-04-26 | 1969-07-15 | Texas Instruments Inc | Manufacture of clad wire and the like |
| US4156500A (en) * | 1976-06-02 | 1979-05-29 | Sumitomo Electric Industries, Ltd. | Method and apparatus for producing copper clad steel wire |
| CN101992224A (en) * | 2009-08-13 | 2011-03-30 | 大连通大设备技术开发有限公司 | Production process of clad steel wire rod with steel core wire of dual phase structure |
| CN101763916A (en) * | 2009-12-30 | 2010-06-30 | 甘肃天拓冶金科技有限公司 | Production method for copper-clad steel double-metal wire |
| CN107675068A (en) * | 2017-09-27 | 2018-02-09 | 武汉钢铁有限公司 | The production method of superfine welding wire steel wire rod |
| CN110004376A (en) * | 2019-04-16 | 2019-07-12 | 江阴兴澄合金材料有限公司 | A kind of manufacturing method of middle carbon CrMo steel wire rod that exempting from annealing drawing |
Non-Patent Citations (2)
| Title |
|---|
| 刘世程等: "铜包钢线的包覆焊接工艺与性能", 《大连铁道学院学报》 * |
| 宋强等: "包覆焊接法铜包钢线的结构设计和生产工艺", 《光纤与电缆及其应用技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043094A (en) * | 2023-01-09 | 2023-05-02 | 鞍钢股份有限公司 | Copper-clad steel wire manufacturing method for improving heat treatment performance of intermediate wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113560358B (en) | 2023-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106670235B (en) | Production method of copper-aluminum composite plate strip and copper-aluminum composite plate strip | |
| EP4023354B1 (en) | Preparation method for coated alloy wire | |
| CN111872113B (en) | Medium-high carbon steel hot-rolled wire rod and production method thereof | |
| CN112246894B (en) | Production process of titanium fiber | |
| CN101763916B (en) | Production method for copper-clad steel double-metal wire | |
| CN110743913B (en) | Production process of copper-aluminum composite decorative material | |
| CN102477577A (en) | Preparation process for metal fibers | |
| CN113560358B (en) | Production method of clad copper-clad steel | |
| KR102326967B1 (en) | Method of making textured coated electrode wire | |
| CN111778533B (en) | Production process of reciprocating electroplating copper-clad aluminum | |
| CN113500252A (en) | Method for reducing wire breakage rate of fine-diameter diamond wire | |
| CN111575601B (en) | Ultra-low carbon steel and preparation method and application thereof | |
| CN111155023B (en) | Preparation method of high-toughness high-strength non-oriented high-silicon steel | |
| CN111215856B (en) | Steel core wire electrode wire plated with copper and then plated with zinc and production process | |
| CN110172610B (en) | Production method of copper rod | |
| CN103774206A (en) | Preparation process of metal fiber | |
| CN106782849A (en) | One kind compound hard state copper busbar and its preparation technology | |
| CN111979495B (en) | High-conductivity cable steel for manufacturing thin-film capacitor lead and production method thereof | |
| CN114203358B (en) | Ultrahigh-strength high-conductivity copper alloy conductor material and preparation method and application thereof | |
| CN102810358A (en) | Production method of copper covered steel wire for electronic product connecting line | |
| CN113695571B (en) | Electric arc additive manufacturing method of continuous carbon fiber reinforced magnesium-based composite material | |
| CN111793770A (en) | Prestressed steel core for overhead conductor and preparation method thereof | |
| CN112387804A (en) | Low-carbon steel strand drawing production process | |
| CN112342578A (en) | Production process of copper strip surface galvanized composite aluminum alloy material | |
| CN112122338A (en) | Ultra-low carbon steel wire rod for steel ladle steel wire and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |