CN113953317B - Cold rolling preparation process of nickel-based alloy strip - Google Patents
Cold rolling preparation process of nickel-based alloy strip Download PDFInfo
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- CN113953317B CN113953317B CN202111008537.9A CN202111008537A CN113953317B CN 113953317 B CN113953317 B CN 113953317B CN 202111008537 A CN202111008537 A CN 202111008537A CN 113953317 B CN113953317 B CN 113953317B
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- cold
- rolled strip
- annealing
- nickel
- rolling
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000000956 alloy Substances 0.000 title claims abstract description 32
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 30
- 238000005097 cold rolling Methods 0.000 title claims abstract description 26
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000000137 annealing Methods 0.000 claims abstract description 67
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000005096 rolling process Methods 0.000 claims abstract description 24
- 229910052786 argon Inorganic materials 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001257 hydrogen Substances 0.000 claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 13
- 230000000399 orthopedic effect Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 9
- 238000003490 calendering Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000005482 strain hardening Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention discloses a cold rolling preparation process of a nickel-based alloy strip, which belongs to the technical field of steel rolling and comprises the following steps: cold rolling and calendaring: rolling the section bar for multiple times to prepare a cold-rolled strip; and (3) special annealing: filling protective gas into the vacuum annealing furnace, and placing the prepared cold rolled strip into the vacuum annealing furnace for primary annealing treatment; orthopedic finishing: the cold-rolled strip after special annealing is subjected to orthopedic equipment for orthopedic treatment to obtain a cold-rolled strip with uniform texture; conventional annealing: filling protective gas into the vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment; according to the invention, the hydrogen and the argon mixed in the ratio of 1:2 are used as the protective gas for special annealing, the hydrogen has an improvement effect on the structure of the nickel-based alloy, so that the work hardening degree of the nickel-based alloy is reduced, the argon can prevent oxidation, and the stress in the cold-rolled strip is eliminated through secondary conventional annealing, so that the strip of the nickel-based alloy does not influence the service performance after cold rolling.
Description
Technical Field
The invention belongs to the technical field of steel rolling, and particularly relates to a cold rolling preparation process of a nickel-based alloy strip.
Background
Cold rolling is a process of hot-rolled sheet at normal temperature, although the temperature of the steel sheet is raised by rolling during the process, and is called cold rolling. Cold rolling, which is formed by hot rolling through continuous cold deformation, has relatively poor mechanical properties and too high hardness, and the mechanical properties of the cold rolled hard coil can be recovered after annealing, and the cold rolled hard coil is not annealed;
chinese patent (CN 201910988164.2) discloses a method for producing nickel-base alloy by using twenty-high reversing mill, which is characterized in that the twenty-high reversing mill is used to produce cold-rolled nickel-base alloy product through coiling, threading, cold rolling, annealing, finishing and trimming; in the cold rolling step, 7 passes of rolling are carried out on the industrial nickel base alloy by adopting a twenty-roller reversible rolling mill; the rolling reduction rate of each pass is controlled to be 6-11%, the rolling force is controlled to be 200-250 Ton, the rolling speed is controlled to be 100-300 mpm, and the tension of each pass is kept constant in the rolling process; and rolling to the target thickness through one rolling process.
At present, after cold rolling preparation of nickel-base alloy strips, such as N06230 strips, the work hardening degree is high, and the heat treatment cannot always completely eliminate the internal stress, so that the subsequent use is affected.
Disclosure of Invention
The invention aims at: in order to solve the problem of stress concentration in a cold-rolled strip caused by high work hardening degree of the nickel-based alloy, the cold-rolling preparation process of the nickel-based alloy strip is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a cold rolling preparation process of a nickel-based alloy strip, comprising the following steps:
1) Cold rolling and calendaring: rolling the section bar for multiple times to prepare a cold-rolled strip;
2) And (3) special annealing: filling protective gas into the vacuum annealing furnace, and placing the prepared cold rolled strip into the vacuum annealing furnace for primary annealing treatment;
3) Orthopedic finishing: the cold-rolled strip after special annealing is subjected to orthopedic equipment for orthopedic treatment to obtain a cold-rolled strip with uniform texture;
4) Conventional annealing: filling protective gas into the vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment;
5) And (3) round rolling and winding: and (5) after the cold-rolled strip is cooled after annealing, coiling the cold-rolled strip, and finally preparing the nickel-based alloy cold-rolled strip.
As a further description of the above technical solution:
in the step 1), the section bars are rolled in batches, and the total rolling times are not less than 15 times.
As a further description of the above technical solution:
in the step 2), the shielding gas is a mixed gas of hydrogen and argon.
As a further description of the above technical solution:
the mixing ratio of the hydrogen to the argon is 1:2. .
As a further description of the above technical solution:
in the step 3), the shape is changed at least twice.
As a further description of the above technical solution:
in the step 4), the shielding gas is argon.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
in the invention, the hydrogen and the argon mixed in the ratio of 1:2 are used as the protective gas for special annealing, the hydrogen has an improvement effect on the structure of the nickel-based alloy, so that the work hardening degree of the nickel-based alloy is reduced, the argon can prevent oxidation, and the stress in the cold-rolled strip is eliminated through secondary conventional annealing, so that the strip of the nickel-based alloy does not influence the usability after cold rolling, the use of nitrogen is reduced, and the nitrogen absorption of the nickel-based alloy material is avoided.
Drawings
FIG. 1 is a block diagram of a cold rolling process for preparing a nickel-base alloy strip.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
s01: cold rolling and calendaring: rolling the section bar 15 times to prepare a cold-rolled strip;
s02: and (3) special annealing: filling hydrogen and argon with the ratio of 1:2 into a vacuum annealing furnace, and placing the prepared cold-rolled strip into the vacuum annealing furnace for primary annealing treatment;
s03: orthopedic finishing: the cold-rolled strip after special annealing is subjected to correction by correction equipment, and is subjected to continuous correction twice to obtain a cold-rolled strip with uniform texture;
s04: conventional annealing: filling argon into a vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment;
s05: and (3) round rolling and winding: and (5) after the cold-rolled strip is cooled after annealing, coiling the cold-rolled strip, and finally preparing the nickel-based alloy cold-rolled strip.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
in the invention, the hydrogen and the argon mixed in the ratio of 1:2 are used as the protective gas for special annealing, the hydrogen has an improvement effect on the structure of the nickel-based alloy, so that the work hardening degree of the nickel-based alloy is reduced, the argon can prevent oxidation, and the stress in the cold-rolled strip is eliminated through secondary conventional annealing, so that the strip of the nickel-based alloy does not influence the usability after cold rolling, the use of nitrogen is reduced, and the nitrogen absorption of the nickel-based alloy material is avoided.
Example 2:
s01: cold rolling and calendaring: rolling the section bar 15 times to prepare a cold-rolled strip;
s02: and (3) special annealing: filling hydrogen and argon with the ratio of 1:2 into a vacuum annealing furnace, and placing the prepared cold-rolled strip into the vacuum annealing furnace for primary annealing treatment;
s03: the cold-rolled strip after special annealing is subjected to correction by correction equipment, and is subjected to continuous correction twice to obtain a cold-rolled strip with uniform texture;
s04: conventional annealing: filling argon into a vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment;
s05: and (3) round rolling and winding: and (5) after the cold-rolled strip is cooled after annealing, coiling the cold-rolled strip, and finally preparing the nickel-based alloy cold-rolled strip.
Example 3:
s01: cold rolling and calendaring: rolling the profile for 16 times to prepare a cold-rolled strip;
s02: and (3) special annealing: filling hydrogen and argon with the ratio of 1:2 into a vacuum annealing furnace, and placing the prepared cold-rolled strip into the vacuum annealing furnace for primary annealing treatment;
s03: orthopedic finishing: the cold-rolled strip after special annealing is subjected to correction by correction equipment, and is subjected to continuous correction for three times to obtain a cold-rolled strip with uniform texture;
s04: conventional annealing: filling argon into a vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment;
s05: and (3) round rolling and winding: and (5) after the cold-rolled strip is cooled after annealing, coiling the cold-rolled strip, and finally preparing the nickel-based alloy cold-rolled strip.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. A cold rolling preparation process of a nickel-based alloy strip is characterized by comprising the following steps of: the method comprises the following steps:
1) Cold rolling and calendaring: rolling the section bar for multiple times to prepare a cold-rolled strip;
2) And (3) special annealing: filling protective gas into the vacuum annealing furnace, and placing the prepared cold rolled strip into the vacuum annealing furnace for primary annealing treatment; in the step 2), the shielding gas is a mixed gas of hydrogen and argon; the mixing ratio of the hydrogen to the argon is 1:2;
3) Orthopedic finishing: the cold-rolled strip after special annealing is subjected to orthopedic equipment for orthopedic treatment to obtain a cold-rolled strip with uniform texture;
4) Conventional annealing: filling protective gas into the vacuum annealing furnace, and putting the cold rolled strip after correction into the vacuum annealing furnace for secondary annealing treatment;
5) And (3) round rolling and winding: and (5) after the cold-rolled strip is cooled after annealing, coiling the cold-rolled strip, and finally preparing the nickel-based alloy cold-rolled strip.
2. The cold rolling process for preparing nickel-base alloy strips according to claim 1, wherein in the step 1), the sections are rolled in batches, and the total rolling times are not less than 15 times.
3. The cold rolling process for preparing a nickel-base alloy strip according to claim 1, wherein in step 3), the shape is reformed at least twice.
4. The cold rolling process for preparing a nickel base alloy strip according to claim 1, wherein in step 4), the shielding gas is argon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008537.9A CN113953317B (en) | 2021-08-30 | 2021-08-30 | Cold rolling preparation process of nickel-based alloy strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008537.9A CN113953317B (en) | 2021-08-30 | 2021-08-30 | Cold rolling preparation process of nickel-based alloy strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113953317A CN113953317A (en) | 2022-01-21 |
| CN113953317B true CN113953317B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111008537.9A Active CN113953317B (en) | 2021-08-30 | 2021-08-30 | Cold rolling preparation process of nickel-based alloy strip |
Country Status (1)
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| CN (1) | CN113953317B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837894A (en) * | 1972-05-22 | 1974-09-24 | Union Carbide Corp | Process for producing a corrosion resistant duplex coating |
| US5456771A (en) * | 1992-01-24 | 1995-10-10 | Nkk Corporation | Thin Fe-Ni alloy sheet for shadow mask |
| JP2008223146A (en) * | 2008-05-13 | 2008-09-25 | Hitachi Metals Ltd | METHOD FOR PRODUCING Fe-Ni BASED ALLOY THIN SHEET |
| CN101514413A (en) * | 2009-04-03 | 2009-08-26 | 西北有色金属研究院 | Preparing method of nickel tungsten base band used for coated conductor |
| DE102009052779A1 (en) * | 2009-11-11 | 2011-05-12 | Sms Siemag Ag | Method for manufacturing stainless steel-cold strip or other high-alloyed materials, involves cold rolling stainless steel- warm strip in single-stage rolling process |
| CN102154578A (en) * | 2011-03-22 | 2011-08-17 | 北京工业大学 | Nonmagnetic texture NiV (nickel vanadium) alloy base band and smelting preparation method thereof |
| CN102676914A (en) * | 2012-05-09 | 2012-09-19 | 首钢总公司 | Cold-rolled non-oriented electric steel and preparation method thereof |
| CN103194704A (en) * | 2013-04-18 | 2013-07-10 | 重庆大学 | Preparation method of low-cost nickel baseband with high cube texture content |
| CN110756585A (en) * | 2019-10-17 | 2020-02-07 | 浦项(张家港)不锈钢股份有限公司 | Method for producing nickel-based alloy by twenty-high reversing mill |
| CN111101007A (en) * | 2020-01-13 | 2020-05-05 | 周口师范学院 | Preparation method of high-performance nickel-based alloy composite strip |
| CN111304566A (en) * | 2020-03-06 | 2020-06-19 | 东北特殊钢集团股份有限公司 | Heat treatment method of hard GH5605 high-temperature alloy cold-rolled strip |
-
2021
- 2021-08-30 CN CN202111008537.9A patent/CN113953317B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837894A (en) * | 1972-05-22 | 1974-09-24 | Union Carbide Corp | Process for producing a corrosion resistant duplex coating |
| GB1438381A (en) * | 1972-05-22 | 1976-06-03 | Union Carbide Corp | Process for producing a corrosion resistand duplex coating |
| US5456771A (en) * | 1992-01-24 | 1995-10-10 | Nkk Corporation | Thin Fe-Ni alloy sheet for shadow mask |
| JP2008223146A (en) * | 2008-05-13 | 2008-09-25 | Hitachi Metals Ltd | METHOD FOR PRODUCING Fe-Ni BASED ALLOY THIN SHEET |
| CN101514413A (en) * | 2009-04-03 | 2009-08-26 | 西北有色金属研究院 | Preparing method of nickel tungsten base band used for coated conductor |
| DE102009052779A1 (en) * | 2009-11-11 | 2011-05-12 | Sms Siemag Ag | Method for manufacturing stainless steel-cold strip or other high-alloyed materials, involves cold rolling stainless steel- warm strip in single-stage rolling process |
| CN102154578A (en) * | 2011-03-22 | 2011-08-17 | 北京工业大学 | Nonmagnetic texture NiV (nickel vanadium) alloy base band and smelting preparation method thereof |
| CN102676914A (en) * | 2012-05-09 | 2012-09-19 | 首钢总公司 | Cold-rolled non-oriented electric steel and preparation method thereof |
| CN103194704A (en) * | 2013-04-18 | 2013-07-10 | 重庆大学 | Preparation method of low-cost nickel baseband with high cube texture content |
| CN110756585A (en) * | 2019-10-17 | 2020-02-07 | 浦项(张家港)不锈钢股份有限公司 | Method for producing nickel-based alloy by twenty-high reversing mill |
| CN111101007A (en) * | 2020-01-13 | 2020-05-05 | 周口师范学院 | Preparation method of high-performance nickel-based alloy composite strip |
| CN111304566A (en) * | 2020-03-06 | 2020-06-19 | 东北特殊钢集团股份有限公司 | Heat treatment method of hard GH5605 high-temperature alloy cold-rolled strip |
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| CN113953317A (en) | 2022-01-21 |
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