CN115786773A - Nickel-based corrosion-resistant alloy thin strip and preparation method thereof - Google Patents
Nickel-based corrosion-resistant alloy thin strip and preparation method thereof Download PDFInfo
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 238000005260 corrosion Methods 0.000 title claims abstract description 110
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- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 73
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- 238000005097 cold rolling Methods 0.000 claims abstract description 48
- 238000005242 forging Methods 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000004381 surface treatment Methods 0.000 claims abstract description 19
- 238000005098 hot rolling Methods 0.000 claims abstract description 17
- 239000006104 solid solution Substances 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 11
- 238000003723 Smelting Methods 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- 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
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Abstract
The application relates to the technical field of nickel-based corrosion-resistant alloy, and particularly discloses a nickel-based corrosion-resistant alloy thin strip and a preparation method thereof. The nickel-based corrosion-resistant alloy thin strip comprises the following components: less than or equal to 0.008 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 21.0-25.0 percent of Cr21.5-17.5 percent of Mo14.5, 1.2-2.0 percent of Cu1.2, 0.10-0.50 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni; the preparation method of the nickel-based corrosion-resistant alloy thin strip comprises the following steps: smelting, homogenizing, hot forging, hot rolling, solid solution, surface treatment after solid solution, cold rolling and annealing. The nickel-based corrosion-resistant alloy thin strip material has the advantages of high surface quality, uniform fine crystal structure, excellent room-temperature tensile property and corrosion resistance.
Description
Technical Field
The application relates to the technical field of nickel-based corrosion-resistant alloy, in particular to a nickel-based corrosion-resistant alloy thin strip and a preparation method thereof.
Background
Nuclear power can generate a large amount of nuclear waste while providing energy, and the nuclear waste can have serious consequences even threatens the living environment of human beings due to improper treatment. Therefore, how to safely dispose of nuclear waste has become an important issue equivalent to nuclear safety. Along with the development of nuclear waste treatment technology, the operating mode environment of nuclear waste treatment container is increasingly severe, for guaranteeing that nuclear waste does not take place to leak, avoids environmental pollution, has proposed higher requirement to container materials: it is not only required to have a low corrosion rate, but also to have excellent mechanical properties and good cold and hot workability and weldability.
In order to adapt to increasingly severe use environments, a high-Cr, high-Mo and Cu-containing nickel-based corrosion-resistant alloy is produced, and the unique component characteristics enable the alloy to have excellent corrosion resistance in various complex medium environments such as sulfuric acid, hydrofluoric acid, nitric acid, dilute hydrochloric acid and the like, so that the alloy becomes an ideal material for key components in nuclear waste containers. In recent years, nickel-based corrosion-resistant alloy plate strips, wire rods and pipe products are widely applied to the field of nuclear waste treatment. However, the structure, performance and surface quality of the nickel-based corrosion-resistant alloy thin strip produced at present are poor, and the technical indexes and the use requirements are difficult to meet.
Disclosure of Invention
In order to comprehensively improve the structure, the performance and the surface quality of the nickel-based corrosion-resistant alloy thin strip material, the application provides the nickel-based corrosion-resistant alloy thin strip material and the preparation method thereof.
The nickel-based corrosion-resistant alloy thin strip material adopts the following technical scheme:
the thin nickel-based corrosion-resistant alloy strip comprises the following components in percentage by mass: less than or equal to 0.008 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 21.0 to 25.0 percent of Cr, 14.5 to 17.5 percent of Mo, 1.2 to 2.0 percent of Cu, 0.10 to 0.50 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni.
Preferably, the thin strip of nickel-based corrosion-resistant alloy comprises the following components in percentage by mass: c:0.004 to 0.006 percent, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, and the weight percentage of Cr:23.0 to 24.0%, mo:16.0 to 17.0%, cu:1.5 to 1.7%, al:0.3 to 0.4 percent of Ni, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni.
The content of C, cr, mo, cu and Al elements in the nickel-based corrosion-resistant alloy thin strip is adjusted, and the content of gas and impurity elements is strictly controlled, so that the nickel-based corrosion-resistant alloy thin strip can keep good structure performance in the manufacturing process.
Preferably, the thickness of the nickel-based corrosion-resistant alloy thin strip material is 0.05 to 0.30mm, and the width of the nickel-based corrosion-resistant alloy thin strip material is 180 to 350mm.
Further, the thickness of the corrosion-resistant alloy thin strip is 0.07 to 0.30mm or 0.07 to 0.10mm.
In a particular embodiment, the thin strip of corrosion resistant alloy has a thickness of 0.07mm or 0.10mm.
In a specific embodiment, the thin strip of corrosion resistant alloy has a width of 200mm.
In a second aspect, the present application provides a method for preparing a thin strip of nickel-based corrosion-resistant alloy, which adopts the following technical scheme:
a preparation method of a nickel-based corrosion-resistant alloy thin strip comprises the following steps: vacuum induction smelting, electroslag remelting, homogenization, hot forging, hot rolling, solid solution, surface treatment after solid solution and cold rolling;
the homogenization procedure is as follows: placing the electroslag ingot obtained by electroslag remelting in homogenization equipment, and then treating in a three-stage soaking mode; the three-stage soaking mode specifically comprises the following steps:
s1: the charging temperature is less than or equal to 600 ℃, then the temperature is raised to 950 to 1050 ℃ at the temperature raising speed of less than or equal to 70 ℃/h, and the heat preservation time is 5 to 10h;
s2: then heating to 1150 to 1170 ℃ at a heating rate of less than or equal to 40 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 10h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 18h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 28h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 45h;
s3: heating to 1180-1200 ℃ at a heating speed of less than or equal to 30 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 25h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 35h; when D is more than 240 and less than or equal to 410mm, t is more than or equal to 45h; when D is more than 410 and less than or equal to 520mm, t is more than or equal to 75h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 135h.
In this application, the homogenization process has adopted tertiary soaking mode, can make the ingot casting realize abundant homogenization effect through tertiary soaking mode. Wherein, the first-stage soaking stage can enable each part of the ingot to reach the temperature at which a precipitated phase begins to dissolve; the secondary soaking stage can enable precipitated phases in the ingot to start to be dissolved in a large amount; the three-stage soaking stage can fully diffuse elements at high temperature, further eliminate cast structure segregation, improve component structure uniformity and be beneficial to obtaining good strong plasticity matching and corrosion resistance of the finished strip product.
In the application, after three-level soaking mode treatment in the homogenization procedure, the furnace temperature is cooled to below 600 ℃ and then the furnace is discharged.
In a specific embodiment, the three-stage soaking mode is specifically: the charging temperature is 500 ℃, then the temperature is raised to 1000 ℃ at the heating rate of 70 ℃/h, and the heat preservation time is 6h; then heating to 1160 ℃ at the heating rate of 30 ℃/h, and preserving the heat for 28h; then the temperature is raised to 1190 ℃ at the temperature raising speed of 30 ℃/h, and the temperature is kept for 48h.
In a specific embodiment, the three-stage soaking mode is specifically: the charging temperature is 500 ℃, then the temperature is raised to 1000 ℃ at the heating rate of 60 ℃/h, and the heat preservation time is 8h; then raising the temperature to 1170 ℃ at the temperature rise speed of 30 ℃/h, and preserving the temperature for 30h; heating to 1190 ℃ at the heating rate of 30 ℃/h, and keeping the temperature for 50h
Preferably, the hot forging process includes cogging; the cogging adopts a two-stage soaking mode, and specifically comprises the following steps:
s1: the charging temperature is less than or equal to 600 ℃, then the temperature is raised to 950 to 1050 ℃ at the temperature raising speed of less than or equal to 70 ℃/h, and the heat preservation time is 2 to 5h
S2: then heating to 1170-1190 ℃ at the heating rate of less than or equal to 30 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 2h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 4h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 6h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 8h;
in the application, the cogging in the hot forging process adopts a two-stage soaking mode, a small amount of precipitated phases formed in the homogenization treatment and cooling process of the cast ingot can be fully dissolved by the two-stage soaking mode, the high-homogeneity cast ingot is obtained, and the improvement of the structural property uniformity of the nickel-based corrosion-resistant alloy thin strip is facilitated.
In a specific embodiment, the hot forging process is specifically: setting the charging temperature to be 500 ℃, then heating to 1000 ℃ at a heating rate of 70 ℃/h, keeping the temperature for 3.5h, then heating to 1180 ℃ at a heating rate of 30 ℃/h, keeping the temperature for 6h, and then immediately starting forging; wherein, the cogging deformation is 37.5%; the deformation of the plate blank in each heating forging is 45 percent, the final forging temperature is 980 ℃, and the thickness of the blank after hot forging is 45mm.
In a specific embodiment, the hot forging process is specifically: setting the charging temperature to be 500 ℃, then heating to 1000 ℃ at a heating rate of 70 ℃/h, keeping the temperature for 4h, then heating to 1180 ℃ at a heating rate of 30 ℃/h, keeping the temperature for 8h, and then immediately starting forging; wherein, the cogging deformation is 40%; the deformation of the plate blank in each heating forging is 40%, the final forging temperature is 980 ℃, and the thickness of the blank after hot forging is 50mm.
Preferably, the hot forging process further comprises cogging slab forging; the cogging deformation is 35-40%, the deformation of the plate blank in each hot forging is more than or equal to 35%, the final forging temperature is more than or equal to 960 ℃, and the thickness of the blank after hot forging is 40-80mm.
Further, after the hot forging step, a surface treatment after hot forging is performed, and in the surface treatment after hot forging step, the scale on the surface of the blank after hot forging is removed by a mechanical coping method.
Preferably, in the hot rolling procedure, the heating temperature is 1180-1200 ℃, the final rolling temperature is not less than 960 ℃, the deformation per heating time is 35-60%, and the thickness of the blank after hot rolling is 3-4 mm.
Preferably, the temperature in the solid solution process is 1150 to 1180 ℃, and the heat preservation time is 40 to 60min.
In the present application, the cooling method used in the solid solution step is water cooling.
Preferably, the post-solution treatment process comprises: carrying out surface treatment on the plate blank obtained after solid solution in an acid washing and mechanical polishing mode to obtain a strip blank; the surface roughness Ra value of the strip blank is less than or equal to 2.0 mu m.
In the present application, the surface treatment of the slab after the solution treatment and the control of the surface roughness Ra value of the strip after the surface treatment to 2.0 μm or less make it possible to provide the final thin strip of nickel-base corrosion-resistant alloy with excellent surface quality.
Preferably, in the cold rolling procedure, the cold rolling deformation per heating is 30 to 65 percent;
in the cold rolling process, annealing is carried out in a continuous annealing mode, and the continuous annealing temperature is 1130 to 1160 ℃;
continuously annealing a strip blank with the thickness of 1.5-2.0 mm obtained by cold rolling, and then further performing intermediate annealing by using a trolley furnace or a box furnace, wherein the intermediate annealing temperature is 1150-1180 ℃, the heat preservation time is 40-60min, and the cooling mode is water cooling;
and (3) for the strip blank with the thickness of 0.5-1.0 mm obtained by cold rolling, carrying out intermediate annealing and then polishing the surface of the strip blank by using an abrasive belt.
In the present application, by controlling the amount of deformation per pass and the continuous annealing temperature in the cold rolling process within the above ranges, an intermediate strip having both a softening effect and a uniform texture state can be obtained while achieving fine control of the dimensional accuracy of the strip; in addition, intermediate annealing and abrasive belt grinding are respectively carried out on the belt blanks with different thicknesses, so that an intermediate belt blank with high surface quality can be obtained, and further a belt material with high surface quality can be obtained.
Preferably, the preparation method of the nickel-based corrosion-resistant alloy thin strip further comprises finished product cold rolling and finished product annealing; in the finished product cold rolling process, the cold rolling deformation is 45-65%.
Preferably, in the finished product annealing process, the annealing temperature of the finished product is 1110 to 1140 ℃.
According to the preparation method of the nickel-based corrosion-resistant alloy thin strip, the mechanical property, the corrosion resistance and the surface quality of the nickel-based corrosion-resistant alloy thin strip are comprehensively improved through various process steps such as an optimized homogenization process, a hot rolling process, a cold rolling process, an intermediate annealing process, a finished product cold rolling process, a finished product annealing process and the like, and the nickel-based corrosion-resistant alloy thin strip with uniform fine crystal structure, high surface quality, and excellent room-temperature tensile property and corrosion resistance is obtained.
In summary, the present application has the following beneficial effects:
1. the application provides a nickel-based corrosion-resistant alloy thin strip, which can obtain a uniform fine-grain structure of the strip by adjusting the contents of key elements such as a solid solution strengthening element Cr, corrosion-resistant elements Mo and Cu and the like in the nickel-based corrosion-resistant alloy thin strip, strictly controlling the contents of gas and impurity elements, and optimizing a homogenization system, a hot rolling system, a cold rolling system, an intermediate annealing system, a finished product cold rolling system and a finished product annealing system, thereby comprehensively improving the mechanical property, the corrosion resistance and the surface quality of the strip.
2. The grain size of the nickel-based corrosion-resistant alloy thin strip with the thickness of 0.05 to 0.30mm obtained by the method is 7.0 to 9.0 grades, the tensile strength at room temperature is more than or equal to 800MPa, the yield strength is more than or equal to 400MPa, the elongation is more than or equal to 35 percent, and the surface roughness Ra value is 0.11 to 0.15 mu m.
3. The strip prepared by the preparation method of the nickel-based corrosion-resistant alloy thin strip has good uniformity of structural properties, excellent room-temperature tensile property, corrosion resistance and high surface quality, and is suitable for large-scale popularization and application.
Drawings
Fig. 1 is a grain structure photograph of the nickel-based corrosion resistant alloy thin strip provided in example 1 of the present application.
Fig. 2 is a photograph of a thin strip of nickel-based corrosion resistant alloy provided in example 2 of the present application.
Detailed Description
The application provides a thin strip of nickel-based corrosion-resistant alloy. The nickel-based corrosion-resistant alloy thin strip comprises the following components in percentage by mass: less than or equal to 0.008 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 21.0 to 25.0 percent of Cr, 14.5 to 17.5 percent of Mo, 1.2 to 2.0 percent of Cu, 0.10 to 0.50 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni; further, the nickel-based corrosion-resistant alloy thin strip comprises the following components: 0.004 to 0.006 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 23.0 to 24.0 percent of Cr, 16.0 to 17.0 percent of Mo, 1.5 to 1.7 percent of Cu, 0.3 to 0.4 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni.
The preparation method of the nickel-based corrosion-resistant alloy thin strip specifically comprises the following steps:
(1) Preparing materials: the components are uniformly mixed according to the addition amount of the components.
(2) Vacuum induction melting: smelting the raw materials by a vacuum induction smelting furnace, and casting into an ingot A.
(3) Electroslag remelting: and (3) carrying out electroslag remelting on the ingot A obtained in the step (2) to obtain an electroslag ingot.
(4) Homogenization: treating the electroslag ingot obtained in the step (3) in a three-stage soaking mode to obtain an ingot B; the method comprises the following specific steps:
(4-1): the charging temperature is less than or equal to 600 ℃, then the temperature is raised to 950 to 1050 ℃ at the temperature raising speed of less than or equal to 70 ℃/h, and the heat preservation time is 5 to 10h;
(4-2): then heating to 1150 to 1170 ℃ at a heating rate of less than or equal to 40 ℃/h, and determining the heat preservation time t according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 10h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 18h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 28h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 45h;
(4-3): then heating to 1180-1200 ℃ at a heating speed of less than or equal to 30 ℃/h, and determining the heat preservation time t according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 25h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 35h; when D is more than 240 and less than or equal to 410mm, t is more than or equal to 45h; when D is more than 410 and less than or equal to 520mm, t is more than or equal to 75h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 135h;
(4-4): and finally, cooling the furnace to below 600 ℃ to obtain an ingot B.
(5) Hot forging: sequentially cogging and slab forging the ingot B obtained in the step (4); wherein the cogging deformation is 35 to 40 percent, and a two-stage soaking mode is adopted for cogging; the method comprises the following specific steps:
(5-1) charging at a temperature of less than or equal to 600 ℃, then heating to 950-1050 ℃ at a heating speed of less than or equal to 70 ℃/h, and keeping the temperature for 2-5h;
(5-2): then heating to 1170 to 1190 ℃ at the heating speed of less than or equal to 30 ℃/h, and determining the heat preservation time t according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 2h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 4h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 6h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 8h;
(5-3): immediately starting slab forging, wherein the deformation of the slab forging per fire is more than or equal to 35%, the final forging temperature is more than or equal to 960 ℃, and the thickness of the blank obtained after hot forging is 40-80mm.
(6) Surface treatment after hot forging: and removing oxide skin on the surface of the hot-forged blank by adopting a mechanical coping method to obtain a thick blank.
(7) Hot rolling: carrying out high-temperature hot rolling on the thick blank obtained in the step (6) to obtain a thin blank; wherein the heating temperature of hot rolling is 1180-1200 ℃, the final rolling temperature is more than or equal to 960 ℃, the deformation per fire is 35-60%, and the thickness of the thin blank is 3-4 mm.
(8) Solution treatment: carrying out solution treatment on the thin blank obtained in the step (7) to obtain a blank after the solution treatment; wherein the temperature of the solution treatment is 1150 to 1180 ℃, and the heat preservation time is 40 to 60min.
(9) Surface treatment after solid solution: performing surface treatment on the plate blank subjected to the solution treatment in the step (8) in an acid washing and mechanical polishing mode to obtain a strip blank; the surface roughness Ra value of the strip blank is less than or equal to 2.0 mu m.
(10) Cold rolling: cold rolling the strip blank obtained in the step (9) to obtain a cold-rolled strip blank; wherein the cold rolling deformation per heating is 30 to 65 percent;
in the cold rolling procedure, annealing is carried out in a continuous annealing mode under the protection of inert gas, and the continuous annealing temperature is 1130-1160 ℃. After continuous annealing, performing intermediate annealing on a strip blank with the thickness of 1.5-2.0 mm by using a trolley furnace or a box furnace, wherein the intermediate annealing temperature is 1150-1180 ℃, the heat preservation time is 40-60min, and the cooling mode is water cooling; and (3) for the strip blank with the thickness of 0.5-1.0 mm, polishing the surface of the strip blank by using a sand belt after intermediate annealing.
(11) Cold rolling of finished products: and (4) cold rolling the strip blank obtained in the step (10), wherein the cold rolling deformation is 45-65%.
(12) Annealing of a finished product: annealing the cold-rolled finished product obtained in the step (11) to obtain a nickel-based corrosion-resistant alloy thin strip; wherein the annealing temperature of the finished product is 1110 to 1140 ℃.
The alloy raw materials used in the present application are all commercially available.
The present application is described in further detail below with reference to examples, figures, and performance testing assays.
Examples
Example 1
Example 1 provides a thin strip of nickel-base corrosion-resistant alloy.
The nickel-based corrosion-resistant alloy thin strip comprises the following components (in percentage by mass): c:0.002%, S:0.0005%, P:0.001%, cr:23.03%, mo:15.86%, cu:1.66%, al:0.23%, co:0.08%, fe:0.04%, si:0.049%, mn:0.24%, mg:0.0084%, O:0.0015%, N:0.0053% and the balance of Ni.
The preparation method of the nickel-based corrosion-resistant alloy thin strip specifically comprises the following steps of:
(1) Preparing materials: the raw materials of the nickel-based corrosion-resistant alloy thin strip are uniformly mixed according to the addition amount of the raw materials.
(2) Vacuum induction melting: smelting the raw materials by a vacuum induction smelting furnace, and casting into an ingot A.
(3) Electroslag remelting: and (3) carrying out electroslag remelting on the ingot A obtained in the step (2) to obtain an electroslag ingot, wherein the diameter D of the electroslag ingot is 440mm.
(4) Homogenizing: placing the electroslag ingot obtained in the step (3) in a furnace body of a homogenization treatment furnace; setting the charging temperature to 500 ℃, then raising the temperature to 1000 ℃ at a heating rate of 70 ℃/h, and keeping the temperature for 6h; then heating to 1160 ℃ at the heating rate of 30 ℃/h, and preserving the heat for 28h; and heating to 1190 ℃ at the heating rate of 30 ℃/h, preserving the heat for 48h, finally cooling to the temperature below 600 ℃, and discharging to obtain an ingot B, wherein the diameter of the ingot B is 440mm.
(5) Hot forging: firstly, cogging the ingot B, setting the charging temperature to be 500 ℃, then heating to 1000 ℃ at the heating rate of 70 ℃/h, keeping the temperature for 3.5h, then heating to 1180 ℃ at the heating rate of 30 ℃/h, keeping the temperature for 6h, and then immediately starting forging;
wherein, the cogging deformation is 37.5%; the deformation of the plate blank in each heating forging is 45 percent, the final forging temperature is 980 ℃, and the thickness of the blank after hot forging is 45mm.
(6) Surface treatment after hot forging: and removing oxide skin on the surface of the hot-forged blank by adopting a mechanical coping method to obtain a thick blank.
(7) Hot rolling: carrying out high-temperature hot rolling on the thick blank obtained in the step (6) to obtain a thin blank; wherein the heating temperature of hot rolling is 1180 ℃, the finishing temperature is 980 ℃, the deformation per heating time is 45 percent, and the thickness of the thin blank is 3.5mm.
(8) Solution treatment: carrying out solution treatment on the thin blank obtained in the step (7) to obtain a blank after the solution treatment; wherein the temperature of the solution treatment is 1160 ℃, the heat preservation time is 45min, and the cooling mode is water cooling.
(9) Surface treatment after solid solution: performing surface treatment on the plate blank subjected to the solution treatment in the step (8) in an acid washing and mechanical polishing mode to obtain a strip blank; the surface roughness Ra of the strip was 2.0. Mu.m.
(10) Cold rolling: cold rolling the strip blank obtained in the step (9) to obtain a cold-rolled strip blank;
the rolling process is 3.5 → 1.9 → 1.0 → 0.5 → 0.19mm, and the heat deformation of each rolling process is 46%, 47%, 50% and 62% respectively;
in the cold rolling step, annealing is performed by a continuous annealing method under the protection of argon gas, and the continuous annealing temperature is 1140 ℃. Wherein, for a strip blank with the thickness of 1.9mm, annealing is further carried out by adopting a trolley furnace or a box furnace after continuous annealing, the intermediate annealing temperature is 1150 ℃, the heat preservation time is 50min, and the cooling mode is water cooling; and for the strip blank with the thickness of 1.0mm, grinding the surface of the strip blank by using an abrasive belt after intermediate annealing.
(11) Cold rolling of finished products: and (4) performing finished product cold rolling on the 0.19mm strip obtained in the step (10), wherein the cold rolling deformation is 47%, so that the strip with the thickness of 0.1mm is obtained.
(12) Annealing of a finished product: and (4) annealing the strip blank obtained in the step (11) at 1130 ℃ to obtain the nickel-based corrosion-resistant alloy thin strip.
The thin strip of nickel-based corrosion-resistant alloy obtained in this example had a thickness of 0.1mm and a width of 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is detected to be 8.0 grade, the room-temperature tensile strength is 857MPa, the yield strength is 455MPa, the elongation is 37.6 percent, and the surface roughness Ra value is 0.125 mu m; the strip having a thickness of 1.9mm in the step (10) was subjected to an intergranular corrosion test according to the C method of ASTM A262, and the corrosion rate was found to be 0.73mm/a.
Example 2
Example 2 provides a thin strip of nickel-base corrosion-resistant alloy.
The nickel-based corrosion-resistant alloy thin strip comprises the following components (in percentage by mass): c:0.005%, S:0.0004%, P:0.003%, cr:22.21%, mo:15.58%, cu:1.60%, al:0.29%, co:0.08%, fe:0.03%, si:0.031%, mn:0.23%, mg:0.0073%, O:0.0010%, N:0.0025% and the balance Ni.
The preparation method of the nickel-based corrosion-resistant alloy thin strip specifically comprises the following steps:
(1) Preparing materials: the raw materials of the nickel-based corrosion-resistant alloy thin strip are uniformly mixed according to the addition amount of the raw materials.
(2) Vacuum induction melting: smelting the raw materials by a vacuum induction smelting furnace, and casting into an ingot A.
(3) Electroslag remelting: and (3) carrying out electroslag remelting on the ingot A obtained in the step (2) to obtain an electroslag ingot, wherein the diameter D of the electroslag ingot is 440mm.
(4) Homogenization: placing the electroslag ingot obtained in the step (3) in a furnace body of a homogenization treatment furnace; setting the charging temperature to 500 ℃, then raising the temperature to 1000 ℃ at a heating rate of 60 ℃/h, and keeping the temperature for 8h; then raising the temperature to 1170 ℃ at the temperature rise speed of 30 ℃/h, and preserving the temperature for 30h; and then heating to 1190 ℃ at the heating rate of 30 ℃/h, preserving the heat for 50h, finally cooling to below 600 ℃ in the furnace, and discharging to obtain an ingot B, wherein the diameter of the ingot B is 440mm.
(5) Hot forging: firstly, cogging the ingot B, setting the charging temperature to be 500 ℃, then heating to 1000 ℃ at the heating rate of 70 ℃/h, keeping the temperature for 4h, then heating to 1180 ℃ at the heating rate of 30 ℃/h, keeping the temperature for 8h, and then immediately starting forging;
wherein, the cogging deformation is 40%; the deformation of the plate blank in each heating forging is 40%, the final forging temperature is 980 ℃, and the thickness of the blank after hot forging is 50mm.
(6) Surface treatment after hot forging: and removing oxide skin on the surface of the hot-forged blank by adopting a mechanical coping method to obtain a thick blank.
(7) Hot rolling: carrying out high-temperature hot rolling on the thick blank obtained in the step (6) to obtain a thin blank; wherein the heating temperature of hot rolling is 1190 ℃, the finishing temperature is 980 ℃, the deformation per firing time is 50%, and the thickness of the thin blank is 4.0mm.
(8) Solution treatment: carrying out solution treatment on the thin blank obtained in the step (7) to obtain a blank after the solution treatment; wherein the temperature of the solution treatment is 1150 ℃, the heat preservation time is 60min, and the cooling mode is water cooling.
(9) Surface treatment after solid solution: performing surface treatment on the plate blank subjected to the solution treatment in the step (8) in an acid washing and mechanical polishing mode to obtain a strip blank; the surface roughness Ra of the strip was 1.8. Mu.m.
(10) Cold rolling: cold rolling the strip blank obtained in the step (9) to obtain a cold-rolled strip blank;
the rolling process is 4.0 → 2.0 → 1.0 → 0.5 → 0.19mm, and the heat deformation of each rolling process is 50%, 50% and 62% respectively;
in the cold rolling process, annealing is carried out by adopting a continuous annealing mode under the protection of argon, and the continuous annealing temperature is 1130 ℃. Wherein, for the strip blank with the thickness of 2.0mm, annealing is further carried out by adopting a trolley furnace or a box furnace after continuous annealing, the intermediate annealing temperature is 1160 ℃, the heat preservation time is 60min, and the cooling mode is water cooling; and for the strip blank with the thickness of 1.0mm, grinding the surface of the strip blank by using an abrasive belt after intermediate annealing.
(11) Cold rolling of finished products: and (4) performing finished product cold rolling on the 0.19mm strip obtained in the step (10), wherein the cold rolling deformation is 63%, so that a strip with the thickness of 0.07mm is obtained.
(12) Annealing of a finished product: and (4) annealing the strip blank obtained in the step (11) at 1120 ℃ to obtain the nickel-based corrosion-resistant alloy thin strip.
The thin strip of nickel-based corrosion-resistant alloy obtained in this example had a thickness of 0.07mm and a width of 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is detected to be 8.0 grade, the room-temperature tensile strength is 835MPa, the yield strength is 421MPa, the elongation is 35.2 percent, and the surface roughness Ra value is 0.115 mu m; for the strip having a thickness of 2.0mm in the step (10), an intergranular corrosion test was carried out according to the C method of ASTM A262, and the corrosion rate was measured to be 0.84mm/a.
Example 3
Example 3 provides a thin strip of nickel-base corrosion-resistant alloy.
The above embodiment is different from embodiment 1 in that: the consumption of each component in the nickel-based corrosion-resistant alloy thin strip material is as follows:
example 3 provides a thin strip of nickel-base corrosion-resistant alloy comprising the following composition (in mass%): c:0.005%, S:0.0005%, P:0.001%, cr:23.03%, mo:16.25%, cu:1.66%, al:0.34%, co:0.08%, fe:0.04%, si:0.049%, mn:0.24%, mg:0.0084%, O:0.0015%, N:0.0053% and the balance of Ni.
The thickness of the nickel-based corrosion-resistant alloy thin strip material obtained in the embodiment is 0.1mm, and the width of the nickel-based corrosion-resistant alloy thin strip material is 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is detected to be ASTM grade 8.0, the room-temperature tensile strength is 866MPa, the yield strength is 462MPa, the elongation is 37.4 percent, and the surface roughness Ra value is 0.124 mu m; the strip having a thickness of 1.9mm in the step (10) was subjected to an intergranular corrosion test according to the C method of ASTM A262, and the corrosion rate was found to be 0.71mm/a.
Comparative example
Comparative example 1
Comparative example 1 provides a thin strip of nickel-base corrosion-resistant alloy.
The comparative example described above differs from example 1 in that: the consumption of each component in the nickel-based corrosion-resistant alloy thin strip material is as follows:
comparative example 1 provides a thin strip of nickel-base corrosion-resistant alloy comprising the following composition (in mass%): c:0.01%, S:0.0005%, P:0.001%, cr:19.5%, mo:3.0%, cu:2.5%, al:0.6%, co:0.08%, fe:0.04%, si:0.049%, mn:0.24%, mg:0.0084%, O:0.0015%, N:0.0053% and the balance of Ni.
The thin strip of nickel-based corrosion-resistant alloy obtained in comparative example 1 had a thickness of 0.1mm and a width of 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is ASTM7.0 grade, the room-temperature tensile strength is 720MPa, the yield strength is 350MPa, the elongation is 28.5 percent, and the surface roughness Ra value is 0.14 mu m; the strip having a thickness of 1.9mm in the step (10) was subjected to an intergranular corrosion test according to the C method of ASTM A262, and the corrosion rate was found to be 4.0mm/a.
Comparative example 2
Comparative example 2 provides a thin strip of nickel-base corrosion-resistant alloy.
The comparative example described above differs from example 1 in that: (4) a homogenization step, which specifically comprises the following steps:
in the preparation method of the nickel-based corrosion-resistant alloy thin strip provided in the comparative example 2, (4) the homogenization procedure is as follows: and (4) placing the electroslag ingot obtained in the step (3) in a furnace body of a homogenization treatment furnace, setting the charging temperature to be 500 ℃, then heating the furnace to 1190 ℃ at the heating rate of 70 ℃/h, preserving the temperature for 48h, finally cooling the furnace to be below 600 ℃, and discharging to obtain an ingot B.
Placing the electroslag ingot obtained in the step (3) in a furnace body of homogenization treatment equipment; setting the charging temperature to 500 ℃, then increasing the temperature to 1160 ℃ at a heating rate of 70 ℃/h, and preserving the temperature for 28h; and then heating to 1190 ℃ at the heating rate of 30 ℃/h, preserving the heat for 48h, finally cooling the furnace to below 600 ℃, and discharging to obtain the ingot B.
The thin strip of nickel-based corrosion-resistant alloy obtained in comparative example 2 had a thickness of 0.1mm and a width of 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is detected to be ASTM7.5 grade, the room-temperature tensile strength is 750MPa, the yield strength is 372MPa, the elongation is 30 percent, and the surface roughness Ra value is 0.132 mu m; the strip having a thickness of 1.9mm in the step (10) was subjected to an intergranular corrosion test according to the C method of ASTM A262, and the corrosion rate was found to be 0.98mm/a.
Comparative example 3
Comparative example 3 provides a thin strip of nickel-base corrosion-resistant alloy.
The comparative example described above differs from example 1 in that: (10) a cold rolling process, which comprises the following specific steps:
in the preparation method of the nickel-based corrosion-resistant alloy thin strip provided in comparative example 3, (10) the cold rolling process is: cold rolling the strip blank obtained in the step (9) to obtain a cold-rolled strip blank;
the rolling process is 3.5 → 2.8 → 2.15 → 1.72 → 1.37 → 1.0 → 0.6 → 0.36 → 0.19mm, and the heat deformation amount of each rolling process is 20%, 23%, 20%, 27%, 40% and 47% respectively;
in the cold rolling process, the annealing temperature of each fire time of cold rolling is 1140 ℃, the heat preservation time is 20min, and air cooling is adopted after intermediate annealing.
The thin strip of nickel-based corrosion-resistant alloy obtained in comparative example 3 had a thickness of 0.1mm and a width of 200mm. The grain size of the nickel-based corrosion-resistant alloy thin strip is ASTM7.0 grade, the room-temperature tensile strength is 749MPa, the yield strength is 365MPa, the elongation is 29.5 percent, and the surface roughness Ra value is 0.141 mu m; the strip having a thickness of 1.9mm in the step (10) was subjected to an intergranular corrosion test according to the C method of ASTM A262, and the corrosion rate was 1.53mm/a.
In summary, the nickel-based corrosion-resistant alloy thin strip material provided by the application has the advantages of high surface quality, uniform fine crystal structure, excellent room-temperature tensile property and corrosion resistance, and can completely meet the technical indexes and the use requirements.
Although the invention has been described in detail with respect to the general description and the specific embodiments thereof, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (11)
1. The thin nickel-based corrosion-resistant alloy strip is characterized by comprising the following components in percentage by mass: less than or equal to 0.008 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 21.0 to 25.0 percent of Cr, 14.5 to 17.5 percent of Mo, 1.2 to 2.0 percent of Cu, 0.10 to 0.50 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni.
2. The thin strip of nickel-base corrosion resistant alloy according to claim 1 comprising, in mass percent: 0.004 to 0.006 percent of C, less than or equal to 0.002 percent of S, less than or equal to 0.010 percent of P, 23.0 to 24.0 percent of Cr, 16.0 to 17.0 percent of Mo, 1.5 to 1.7 percent of Cu, 0.3 to 0.4 percent of Al, less than or equal to 0.10 percent of Co, less than or equal to 1.00 percent of Fe, less than or equal to 0.05 percent of Si, less than or equal to 0.50 percent of Mn, less than or equal to 0.02 percent of Mg, less than or equal to 0.005 percent of O, less than or equal to 0.010 percent of N, and the balance of Ni.
3. The thin strip of nickel-base corrosion-resistant alloy according to claim 1 or 2, characterized in that the thin strip of nickel-base corrosion-resistant alloy has a thickness of 0.05 to 0.30mm and a width of 180 to 350mm.
4. Method for producing a thin strip of nickel base corrosion-resistant alloy according to any of claims 1 to 3, characterized in that it comprises the following steps: vacuum induction smelting, electroslag remelting, homogenization, hot forging, hot rolling, solid solution, surface treatment after solid solution and cold rolling;
the homogenization procedure is as follows: placing the electroslag ingot obtained by electroslag remelting in homogenization equipment, and then treating in a three-stage soaking mode; the three-stage soaking mode specifically comprises the following steps:
s1: the charging temperature is less than or equal to 600 ℃, then the temperature is raised to 950 to 1050 ℃ at the temperature raising speed of less than or equal to 70 ℃/h, and the heat preservation time is 5 to 10h;
s2: then heating to 1150-1170 ℃ at a heating rate of less than or equal to 40 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 10h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 18h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 28h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 45h;
s3: heating to 1180-1200 ℃ at a heating speed of less than or equal to 30 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 25h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 35h; when D is more than 240 and less than or equal to 410mm, t is more than or equal to 45h; when D is more than 410 and less than or equal to 520mm, t is more than or equal to 75h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 135h.
5. The method for producing a thin strip of nickel-base corrosion-resistant alloy according to claim 4, wherein the hot forging step comprises cogging; the cogging adopts a two-stage soaking mode, and specifically comprises the following steps:
s1: the charging temperature is less than or equal to 600 ℃, then the temperature is raised to 950 to 1050 ℃ at the temperature raising speed of less than or equal to 70 ℃/h, and the heat preservation time is 2 to 5h
S2: then heating to 1170-1190 ℃ at the heating rate of less than or equal to 30 ℃/h, and carrying out heat preservation, wherein the heat preservation time t is determined according to the diameter D of the electroslag ingot: when D is less than or equal to 120mm, t is more than or equal to 2h; when D is more than 120 and less than or equal to 240mm, t is more than or equal to 4h; when D is more than 240 and less than or equal to 520mm, t is more than or equal to 6h; when D is more than 520 and less than or equal to 700mm, t is more than or equal to 8h.
6. The method for manufacturing the nickel-based corrosion-resistant alloy thin strip according to claim 4, wherein in the hot rolling process, the heating temperature is 1180 to 1200 ℃, the finishing temperature is not less than 960 ℃, and the deformation per heating is 35 to 60%.
7. The method for preparing the nickel-based corrosion-resistant alloy thin strip material according to claim 4, wherein the temperature in the solid solution process is 1150 to 1180 ℃, and the heat preservation time is 40 to 60min.
8. The method for producing a nickel-based corrosion-resistant alloy thin strip according to claim 4, wherein the post-solution surface treatment step is: carrying out surface treatment on the plate blank obtained after solid solution in an acid washing and mechanical polishing mode to obtain a strip blank; the surface roughness Ra value of the strip blank is less than or equal to 2.0 mu m.
9. The method for preparing the nickel-based corrosion-resistant alloy thin strip material according to claim 4, wherein in the cold rolling procedure, the cold rolling deformation per heating is 30 to 65 percent;
in the cold rolling process, annealing is carried out in a continuous annealing mode, wherein the continuous annealing temperature is 1130 to 1160 ℃;
continuously annealing a strip blank with the thickness of 1.5-2.0 mm obtained by cold rolling, and then further performing intermediate annealing by using a trolley furnace or a box furnace, wherein the intermediate annealing temperature is 1150-1180 ℃, the heat preservation time is 40-60min, and the cooling mode is water cooling;
and (3) for the strip blank with the thickness of 0.5-1.0 mm obtained by cold rolling, carrying out intermediate annealing and then polishing the surface of the strip blank by using an abrasive belt.
10. The method of making a thin strip of nickel-base corrosionproof alloy according to claim 4 further comprising finishing cold rolling and finishing annealing; in the finished product cold rolling process, the cold rolling deformation is 45-65%.
11. The method for preparing the thin nickel-based corrosion-resistant alloy strip material according to claim 10, wherein in the finished product annealing process, the finished product annealing temperature is 1110 to 1140 ℃.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853730A (en) * | 1994-07-22 | 1996-02-27 | Haynes Internatl Inc | Corrosion-resistant ni-cr-mo-cu alloy |
| CN1847426A (en) * | 2005-10-28 | 2006-10-18 | 兰州理工大学 | Anticorrosive nickel-base alloy and its prepn process |
| JP2009185352A (en) * | 2008-02-07 | 2009-08-20 | Nippon Yakin Kogyo Co Ltd | Ni-BASED ALLOY MATERIAL HAVING COLD STRENGTH AND WORKABILITY AND CREEP PROPERTY AND METHOD FOR PRODUCING THE SAME |
| JP2010001558A (en) * | 2008-05-22 | 2010-01-07 | Mitsubishi Materials Corp | Valve member of cylinder for charging halogen gas and halogen compound gas |
| CN106676331A (en) * | 2016-12-22 | 2017-05-17 | 钢铁研究总院 | High-temperature-resistant high-elastic nickel-chromium alloy strip and preparation method thereof |
| CN112813369A (en) * | 2020-12-31 | 2021-05-18 | 北京钢研高纳科技股份有限公司 | High-strength high-elasticity high-plasticity nickel-based high-temperature alloy strip and preparation process thereof |
| CN113604707A (en) * | 2021-08-11 | 2021-11-05 | 广东省科学院新材料研究所 | Nickel-based high-temperature alloy, and preparation method and application thereof |
-
2022
- 2022-11-25 CN CN202211491264.2A patent/CN115786773B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853730A (en) * | 1994-07-22 | 1996-02-27 | Haynes Internatl Inc | Corrosion-resistant ni-cr-mo-cu alloy |
| CN1847426A (en) * | 2005-10-28 | 2006-10-18 | 兰州理工大学 | Anticorrosive nickel-base alloy and its prepn process |
| JP2009185352A (en) * | 2008-02-07 | 2009-08-20 | Nippon Yakin Kogyo Co Ltd | Ni-BASED ALLOY MATERIAL HAVING COLD STRENGTH AND WORKABILITY AND CREEP PROPERTY AND METHOD FOR PRODUCING THE SAME |
| JP2010001558A (en) * | 2008-05-22 | 2010-01-07 | Mitsubishi Materials Corp | Valve member of cylinder for charging halogen gas and halogen compound gas |
| CN106676331A (en) * | 2016-12-22 | 2017-05-17 | 钢铁研究总院 | High-temperature-resistant high-elastic nickel-chromium alloy strip and preparation method thereof |
| CN112813369A (en) * | 2020-12-31 | 2021-05-18 | 北京钢研高纳科技股份有限公司 | High-strength high-elasticity high-plasticity nickel-based high-temperature alloy strip and preparation process thereof |
| CN113604707A (en) * | 2021-08-11 | 2021-11-05 | 广东省科学院新材料研究所 | Nickel-based high-temperature alloy, and preparation method and application thereof |
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