CN112756408A - Multiple workpiece co-rolling method - Google Patents
Multiple workpiece co-rolling method Download PDFInfo
- Publication number
- CN112756408A CN112756408A CN202011523584.2A CN202011523584A CN112756408A CN 112756408 A CN112756408 A CN 112756408A CN 202011523584 A CN202011523584 A CN 202011523584A CN 112756408 A CN112756408 A CN 112756408A
- Authority
- CN
- China
- Prior art keywords
- composite
- composite blank
- steel plate
- rolling
- blank
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 118
- 238000003466 welding Methods 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000005056 compaction Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 52
- 229910001220 stainless steel Inorganic materials 0.000 claims description 33
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 30
- 239000010962 carbon steel Substances 0.000 claims description 30
- 239000010935 stainless steel Substances 0.000 claims description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000002981 blocking agent Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 238000005219 brazing Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 229910000954 Medium-carbon steel Inorganic materials 0.000 claims description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 16
- 229910052751 metal Inorganic materials 0.000 abstract description 16
- 238000005086 pumping Methods 0.000 abstract description 6
- 230000008092 positive effect Effects 0.000 abstract description 3
- 239000002905 metal composite material Substances 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 description 3
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 2
- 239000012754 barrier agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
- B21B47/02—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal for folding sheets 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
- B21B1/38—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
- B21B2001/383—Cladded or coated products
-
- 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
Abstract
The invention belongs to the technical field of metal composite processing, and particularly relates to a method for co-rolling a plurality of workpieces, compared with the prior art, the method has the advantages and positive effects that: (1) only one end of the composite blank is placed into a vacuum chamber for vacuumizing and then is subjected to vacuum welding, the whole composite blank is not required to be placed into the vacuum chamber, the volume of the required vacuum chamber is greatly reduced, the vacuumizing time is greatly shortened, the efficiency is improved, and the energy is saved; (2) the composite blank is not required to be clamped by two metal flat plates and is arranged in a heat treatment furnace with the metal flat plates, and three side surfaces of four side surfaces of the composite blank are welded and sealed under the condition of compaction before vacuum pumping and vacuum welding, so that additional clamping equipment is not required when one end of the blank is arranged in a vacuum chamber; (3) the composite blank is produced by the method for co-rolling a plurality of workpieces, a large vacuum chamber is not needed, a large number of metal flat plates are not needed to clamp the composite blank, the operability of the vacuum composite rolling method is greatly improved, and the popularization of the vacuum composite rolling method is facilitated.
Description
Technical Field
The invention belongs to the technical field of metal composite processing, and particularly relates to a method for rolling a plurality of workpieces together.
Background
The stainless steel-carbon steel composite plate has the characteristics of corrosion resistance of stainless steel and low cost of carbon steel, so that the stainless steel-carbon steel composite plate is widely applied to various fields of petroleum pipelines, natural gas storage tanks, chemical engineering and the like. The traditional method for preparing the stainless steel-carbon steel composite plate mainly comprises an explosion cladding method, a brazing cladding method and a rolling cladding method. The vacuum composite rolling method is a novel method for producing the composite plate based on the traditional rolling method; the method comprises the steps of cutting a stainless steel plate and a carbon steel plate with consistent length and width, cleaning the surfaces of the stainless steel plate and the carbon steel plate to be compounded, cleaning the surfaces to be compounded with alcohol, drying the surfaces to be compounded, then mutually overlapping the surfaces to be compounded of the stainless steel plate and the carbon steel plate, sending the surfaces to be compounded into a vacuum chamber, starting welding after vacuumizing, welding and sealing the periphery of the compounded surfaces of the stainless steel plate and the carbon steel plate, then sending the compound surfaces into a heating furnace for heating and rolling to obtain the stainless steel-carbon steel composite plate.
The invention patent with the name of patent number CN102179405B as a method for preventing the interface oxidation of a vacuum clad-rolled stainless steel composite plate discloses that a composite blank is placed between two metal flat plates to form a clamping composite blank; two metal flat plates clamp the composite blank and place in a vacuum chamber, vacuumize and weld the periphery of the contact surface; the metal plate is removed after the heat treatment and then rolled by a rolling mill. There are problems in that: two metal flat plates and a middle composite blank are integrally placed in a vacuum chamber, then vacuum pumping and peripheral welding are carried out, the required vacuum chamber space is large, the required time for vacuum pumping is long, and the efficiency is low; in addition, a large number of metal flat plates are needed for producing the composite blank, the metal flat plates also enter the heat treatment furnace to be heated, energy is wasted, and the heated metal flat plates cannot be rapidly cooled or cannot be leveled any more.
Therefore, the method provided by the invention patent is difficult to be widely used in industrial production, and the method for co-rolling a plurality of workpieces is provided in order to improve the production efficiency and the operability of vacuum combination.
Disclosure of Invention
The invention aims at the problems and provides a method for rolling a plurality of workpieces together.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for rolling a plurality of workpieces together,
selecting a stainless steel plate material and a carbon steel plate material with equal surface length and width dimensions for surface treatment, removing a rust layer and an oxidation layer on one surface or two surfaces of the stainless steel plate material and the carbon steel plate material, and then plating nickel on the surface of the stainless steel substrate material with the rust layer and the oxidation layer removed;
step two, aligning and alternately stacking the carbon steel plate material and the nickel-plated stainless steel plate material together, and separating the stainless steel plate base material and the carbon steel plate material by using a nickel-plated layer to prepare a composite blank consisting of two or more layers of steel plate materials;
when the composite blank consists of odd layers of steel plate materials, pressing the odd layers of steel plate materials of the composite blank by using pressure equipment; when the composite blank consists of even layers of steel plate materials, namely the composite blank consists of two sub-blanks, a layer of blocking agent is coated on the surface of one sub-blank, the surface of the other sub-blank is placed on the blocking agent, and the even layers of steel plate materials of the composite blank are compressed by pressure equipment;
fourthly, after the composite blank is compacted, welding three sides of the four sides of the composite blank by using pressure welding, welding rods or brazing materials to realize sealing of the three sides;
fifthly, placing the end of the composite blank which is not welded and sealed in a vacuum chamber, and vacuumizing until the air pressure is less than or equal to 1 multiplied by 10-2Pa, and carrying out vacuum welding on the side surface of the unwelded composite blank under the vacuum condition to ensure that the composite interface between the stainless steel plate and the carbon steel plate is completely sealed;
sixthly, placing the composite blank with the welded and sealed composite interface in a resistance furnace for heating, and preserving heat for 6-300 min to obtain a heated composite blank;
step seven, rolling the heated composite blank by using a rolling mill at the rolling temperature of 880-1000 ℃, at the rolling speed of 0.3-2 m/s and at the total reduction rate of 30-85%, wherein the first-pass reduction rate is 5-40%, and obtaining the stainless steel-carbon steel composite plate; when two sub-blanks exist in the composite blank, the welding position of the periphery of the blocking agent is cut off after the rolling is finished, and then the two sub-blanks are separated.
Preferably, in the fourth step, after the composite blank is compressed, three of the four side surfaces of the composite blank are welded and sealed by pressure welding, wherein the pressure welding is resistance pressure welding.
Preferably, in the fourth step, after the composite blank is compacted, welding rods or brazing materials are used for welding three of the four side surfaces of the composite blank, so as to realize three-side sealing.
Preferably, in the sixth step, the composite blank with the composite interface being welded and sealed is placed in a resistance furnace to be heated, and the heating temperature is not higher than the liquidus temperature of the welding rod or the brazing material.
Preferably, the barrier agent in the third step is SiC powder, and the thickness of the barrier agent is 0.1-2 mm.
Preferably, the stainless steel plate is made of austenitic stainless steel, ferritic stainless steel or austenitic ferritic dual-phase steel; the carbon steel is made of low-carbon steel or medium-carbon steel.
Preferably, in the step five, the vacuum welding of the unwelded composite blank side surface under vacuum condition is electron beam welding.
Preferably, in the first step, the method for plating nickel on the surface of the stainless steel base material is chemical nickel plating.
Preferably, in the third step, the composite blank is compacted by using a press device, specifically: the pressure equipment is a hydraulic machine, a quadrangular pyramid-shaped compaction die is arranged below a hydraulic rod of the hydraulic machine, and the lower surface of the compaction die is in contact with the upper surface of the composite blank.
Compared with the prior art, the invention has the advantages and positive effects that: (1) only one end of the composite blank is placed into a vacuum chamber for vacuumizing and then is subjected to vacuum welding, the whole composite blank is not required to be placed into the vacuum chamber, the volume of the required vacuum chamber is greatly reduced, the vacuumizing time is greatly shortened, the efficiency is improved, and the energy is saved; (2) the composite blank is not required to be clamped by two metal flat plates and is arranged in a heat treatment furnace with the metal flat plates, and three side surfaces of four side surfaces of the composite blank are welded and sealed under the condition of compaction before vacuum pumping and vacuum welding, so that additional clamping equipment is not required when one end of the blank is arranged in a vacuum chamber; (3) the composite blank is produced by the method for co-rolling a plurality of workpieces, a large vacuum chamber is not needed, a large number of metal flat plates are not needed to clamp the composite blank, the operability of the vacuum composite rolling method is greatly improved, and the popularization of the vacuum composite rolling method is facilitated.
Drawings
In order to more clearly illustrate the technical scheme of the embodiment of the invention, the drawings needed in the description of the embodiment will be briefly introduced, fig. 1 is a schematic view of one end of the composite blank provided in the embodiment 1 vacuumizing and welding in a vacuum chamber, and fig. 2 is a schematic view of pressing the composite blank by a pressure device.
1-composite blank, 2-vacuum chamber, 3-vacuum air extractor set, 4-compaction mould, 5-pressure equipment.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Example 1
The invention is further described with reference to the accompanying figures 1-2, a method of co-rolling a plurality of workpieces:
selecting a stainless steel plate material and a carbon steel plate material with equal surface length and width dimensions for surface treatment, removing a rust layer and an oxidation layer on one surface or two surfaces of the stainless steel plate material and the carbon steel plate material, and then plating nickel on the surface of the stainless steel substrate material with the rust layer and the oxidation layer removed;
step two, aligning and alternately stacking the carbon steel plate material and the nickel-plated stainless steel plate material together, and separating the stainless steel plate base material and the carbon steel plate material by using a nickel-plated layer to prepare a composite blank 1 consisting of two or more layers of steel plate materials;
step three, when the composite blank 1 consists of odd layers of steel plate materials, as shown in fig. 2, pressing the odd layers of steel plate materials of the composite blank 1 by using a pressure device 5; when the composite blank 1 consists of even layers of steel plate materials, namely the composite blank 1 consists of two sub-blanks, a layer of blocking agent is coated on the surface of one sub-blank, the surface of the other sub-blank is placed on the blocking agent, and the even layers of steel plate materials of the composite blank 1 are compressed by a pressure device 5;
fourthly, after the composite blank 1 is compressed, welding three sides of the four sides of the composite blank 1 by using pressure welding, welding rods or brazing materials to realize sealing of the three sides;
step five as shown in figure 1, placing the non-welded and sealed end of the composite blank 1 in a vacuum chamber 2 (the contact part of the composite blank 1 and the vacuum chamber 2 is sealed), and vacuumizing by using a vacuum pumping unit 3 until the air pressure is less than or equal to 1 multiplied by 10-2Pa, and carrying out vacuum welding on the side surface of the unwelded composite blank 1 under the vacuum condition to ensure that the composite interface between the stainless steel plate and the carbon steel plate is completely sealed;
sixthly, placing the composite blank 1 with the welded and sealed composite interface in a resistance furnace for heating, and preserving heat for 6-300 min to obtain the heated composite blank 1;
step seven, rolling the heated composite blank 1 by using a rolling mill, wherein the rolling temperature is 880-1000 ℃, the rolling speed is 0.3-2 m/s, and the total reduction rate is 30-85%, wherein the first-pass reduction rate is 5-40%, so as to obtain the stainless steel-carbon steel composite plate; when two sub-blanks exist in the composite blank 1, the welding position of the periphery of the blocking agent is cut off after the rolling is finished, and then the two sub-blanks are separated.
And step four, after the composite blank 1 is pressed tightly, welding and sealing three of the four side surfaces of the composite blank 1 by using pressure welding in a resistance pressure welding mode.
The blocking agent in the third step is SiC powder, and the thickness of the blocking agent is 0.1-2 mm.
The stainless steel plate in the first step is made of austenitic stainless steel, ferritic stainless steel or austenitic ferritic dual-phase steel; the carbon steel is made of low carbon steel or medium carbon steel.
In the fifth step, the unwelded side surface of the composite blank 1 is vacuum-welded by electron beam welding under vacuum conditions.
And in the first step, the surface nickel plating method of the stainless steel substrate material is chemical nickel plating.
In the third step, the composite blank 1 is compressed by using a pressure device 5, as shown in fig. 2, specifically: the pressure equipment 5 is a hydraulic press, a quadrangular pyramid-shaped compaction die 4 is arranged below a hydraulic rod of the hydraulic press, and the lower surface of the compaction die 4 is in contact with the upper surface of the composite blank 1.
Compared with the prior art, the invention has the advantages and positive effects that: (1) only one end of the composite blank is placed into a vacuum chamber for vacuumizing and then is subjected to vacuum welding, the whole composite blank is not required to be placed into the vacuum chamber, the volume of the required vacuum chamber is greatly reduced, the vacuumizing time is greatly shortened, the efficiency is improved, and the energy is saved; (2) the composite blank is not required to be clamped by two metal flat plates and is arranged in a heat treatment furnace with the metal flat plates, and three side surfaces of four side surfaces of the composite blank are welded and sealed under the condition of compaction before vacuum pumping and vacuum welding, so that additional clamping equipment is not required when one end of the blank is arranged in a vacuum chamber; (3) the composite blank is produced by the method for co-rolling a plurality of workpieces, a large vacuum chamber is not needed, a large number of metal flat plates are not needed to clamp the composite blank, the operability of the vacuum composite rolling method is greatly improved, and the popularization of the vacuum composite rolling method is facilitated.
Example 2
The difference between this example and example 1 is: in the fourth step, after the composite blank 1 is compacted, welding rods CO are utilized2Welding three side surfaces of the four side surfaces of the composite blank 1 by gas shielded welding to realize sealing of the three side surfaces; and step six, heating the composite blank 1 with the composite interface welded and sealed in a resistance furnace at the heating temperature not higher than the liquidus temperature of the welding rod.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the above-mentioned technical details to other fields of equivalent embodiments with equivalent changes by using the above-mentioned disclosure, but any simple modification and equivalent changes made to the above embodiments according to the technical essence of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A method for co-rolling a plurality of workpieces,
selecting a stainless steel plate material and a carbon steel plate material with equal surface length and width dimensions for surface treatment, removing a rust layer and an oxidation layer on one surface or two surfaces of the stainless steel plate material and the carbon steel plate material, and then plating nickel on the surface of the stainless steel substrate material with the rust layer and the oxidation layer removed;
step two, aligning and alternately stacking the carbon steel plate material and the nickel-plated stainless steel plate material together, and separating the stainless steel plate base material and the carbon steel plate material by using a nickel-plated layer to prepare a composite blank consisting of two or more layers of steel plate materials;
when the composite blank consists of odd layers of steel plate materials, pressing the odd layers of steel plate materials of the composite blank by using pressure equipment; when the composite blank consists of even layers of steel plate materials, namely the composite blank consists of two sub-blanks, a layer of blocking agent is coated on the surface of one sub-blank, the surface of the other sub-blank is placed on the blocking agent, and the even layers of steel plate materials of the composite blank are compressed by pressure equipment;
fourthly, after the composite blank is compacted, welding three sides of the four sides of the composite blank by using pressure welding, welding rods or brazing materials to realize sealing of the three sides;
fifthly, placing the end of the composite blank which is not welded and sealed in a vacuum chamber, and vacuumizing until the air pressure is less than or equal to 1 multiplied by 10-2Pa, and carrying out vacuum welding on the side surface of the unwelded composite blank under the vacuum condition to ensure that the composite interface between the stainless steel plate and the carbon steel plate is completely sealed;
sixthly, placing the composite blank with the welded and sealed composite interface in a resistance furnace for heating, and preserving heat for 6-300 min to obtain a heated composite blank;
step seven, rolling the heated composite blank by using a rolling mill at the rolling temperature of 880-1000 ℃, at the rolling speed of 0.3-2 m/s and at the total reduction rate of 30-85%, wherein the first-pass reduction rate is 5-40%, and obtaining the stainless steel-carbon steel composite plate; when two sub-blanks exist in the composite blank, the welding position of the periphery of the blocking agent is cut off after the rolling is finished, and then the two sub-blanks are separated.
2. The method for co-rolling a plurality of workpieces as recited in claim 1, wherein in the fourth step, after the composite blank is compacted, three of four sides of the composite blank are welded and sealed by pressure welding, and the pressure welding is resistance pressure welding.
3. The method of claim 1, wherein in the fourth step, after the composite billet is compacted, three side seals are formed by welding three of the four sides of the composite billet with welding rods or brazing material.
4. The multiple workpiece co-rolling method according to claim 3, wherein the composite blank with the composite interface being welded and sealed in the sixth step is heated in an electric resistance furnace at a temperature not higher than the liquidus temperature of the welding rod or the brazing material.
5. The method for co-rolling a plurality of workpieces according to claim 1, wherein the blocking agent in the third step is SiC powder, and the thickness of the blocking agent is 0.1-2 mm.
6. The method of claim 1, wherein the stainless steel plate is selected from austenitic stainless steel, ferritic stainless steel, or austenitic ferritic duplex steel; the carbon steel is made of low-carbon steel or medium-carbon steel.
7. The method of claim 1, wherein the step five of vacuum welding the unwelded composite blank sides under vacuum is by electron beam welding.
8. The co-rolling method for multiple workpieces according to claim 1, wherein the nickel plating method for the surface of the stainless steel substrate material in the first step is chemical nickel plating.
9. The method for co-rolling a plurality of workpieces as recited in claim 1, wherein in the third step, the composite blank is compacted by a press device, specifically: the pressure equipment is a hydraulic machine, a quadrangular pyramid-shaped compaction die is arranged below a hydraulic rod of the hydraulic machine, and the lower surface of the compaction die is in contact with the upper surface of the composite blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523584.2A CN112756408A (en) | 2020-12-21 | 2020-12-21 | Multiple workpiece co-rolling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011523584.2A CN112756408A (en) | 2020-12-21 | 2020-12-21 | Multiple workpiece co-rolling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112756408A true CN112756408A (en) | 2021-05-07 |
Family
ID=75694563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011523584.2A Pending CN112756408A (en) | 2020-12-21 | 2020-12-21 | Multiple workpiece co-rolling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112756408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578966A (en) * | 2021-08-02 | 2021-11-02 | 沈阳科安捷材料技术有限公司 | Production process and device of low-cost high-performance stainless steel composite plate coil |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8606432A (en) * | 1985-12-28 | 1987-10-20 | Nippon Steel Corp | HOT LAMINATED STEEL SHEET COOLING PROCESS |
| CN1861389A (en) * | 2006-06-13 | 2006-11-15 | 无锡市永鑫精密钢带厂 | High precision composite nickel steel band and its prodn. technique |
| CN102179405A (en) * | 2011-01-27 | 2011-09-14 | 东北大学 | Method for preventing interface of stainless steel compound plate subjected to vacuum composite rolling from being oxidized |
| CN102764936A (en) * | 2012-07-27 | 2012-11-07 | 济钢集团有限公司 | Big-thickness slab manufacturing technique |
| CN105127199A (en) * | 2015-10-09 | 2015-12-09 | 中国第一重型机械股份公司 | Process technical method for hot rolling combining of steel plate through symmetrical outer cladding and rolling control as well as cold control |
| US20180363093A1 (en) * | 2015-12-14 | 2018-12-20 | Baoshan Iron & Steel Co., Ltd. | Dual-Hardness Clad Steel Plate and Production Method Thereof |
-
2020
- 2020-12-21 CN CN202011523584.2A patent/CN112756408A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8606432A (en) * | 1985-12-28 | 1987-10-20 | Nippon Steel Corp | HOT LAMINATED STEEL SHEET COOLING PROCESS |
| CN1861389A (en) * | 2006-06-13 | 2006-11-15 | 无锡市永鑫精密钢带厂 | High precision composite nickel steel band and its prodn. technique |
| CN102179405A (en) * | 2011-01-27 | 2011-09-14 | 东北大学 | Method for preventing interface of stainless steel compound plate subjected to vacuum composite rolling from being oxidized |
| CN102764936A (en) * | 2012-07-27 | 2012-11-07 | 济钢集团有限公司 | Big-thickness slab manufacturing technique |
| CN105127199A (en) * | 2015-10-09 | 2015-12-09 | 中国第一重型机械股份公司 | Process technical method for hot rolling combining of steel plate through symmetrical outer cladding and rolling control as well as cold control |
| US20180363093A1 (en) * | 2015-12-14 | 2018-12-20 | Baoshan Iron & Steel Co., Ltd. | Dual-Hardness Clad Steel Plate and Production Method Thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578966A (en) * | 2021-08-02 | 2021-11-02 | 沈阳科安捷材料技术有限公司 | Production process and device of low-cost high-performance stainless steel composite plate coil |
| CN113578966B (en) * | 2021-08-02 | 2023-09-19 | 沈阳科安捷材料技术有限公司 | Production process and device for low-cost high-performance stainless steel composite board roll |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102773254B (en) | Preparation method of titanium-steel single-sided composite board | |
| CN102069289B (en) | Preparation method of stainless steel-carbon steel composite board | |
| CN102773670B (en) | Manufacturing method of titanium-steel-titanium two-sided composite plate | |
| CN102179405B (en) | Method for preventing interface of stainless steel compound plate subjected to vacuum composite rolling from being oxidized | |
| CN101992344B (en) | Preparation method of titanium-steel composite plate | |
| CN108326516B (en) | Preparation method of titanium steel composite board | |
| CA1198267A (en) | Method of manufacturing bimetallic tubes | |
| US2820286A (en) | Method of making composite plates | |
| CN112756408A (en) | Multiple workpiece co-rolling method | |
| CN106584045A (en) | Production process for plate heat exchanger | |
| CN104942000A (en) | Preparation method for high-bonding-strength titanium-steel composite plate | |
| CN113560710A (en) | Method for preparing explosion composite rod based on water pressure in local vacuum environment | |
| CN113618224A (en) | Preparation method of efficient explosion composite pipe rod based on water pressure in local vacuum environment | |
| CN109551836B (en) | Niobium steel composite plate and preparation method thereof | |
| CN104907333A (en) | High-temperature manufacturing method for titanium-steel composite plate taking titanium as interlayer | |
| CN104607878A (en) | Method for manufacturing W/Cu/CuCrZr composite component | |
| CN110216364B (en) | Ultrasonic consolidation forming method for zirconium steel layered composite material | |
| CN104826867A (en) | Method for rolling nickel interlayer titanium steel composite board through large rolling reduction | |
| CN104826866A (en) | Method for high-temperature rolling of titanium steel composite board with nickel as interlayer | |
| CN107052050A (en) | A kind of efficient isolation production method of stainless steel clad plate | |
| CN109572135B (en) | Tantalum steel composite plate and preparation method thereof | |
| CN111174616A (en) | Ultrathin uniform temperature plate structure and manufacturing process thereof | |
| CN114833531B (en) | Welding method of low-temperature high-manganese steel T-shaped joint | |
| CN108453510A (en) | A kind of low-cost high-efficiency assembly production method of composite plate | |
| CN113578966B (en) | Production process and device for low-cost high-performance stainless steel composite board roll |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |
|
| RJ01 | Rejection of invention patent application after publication |