CN109659050A - A kind of replacement stick and its manufacturing method for Nuclear Plant - Google Patents
A kind of replacement stick and its manufacturing method for Nuclear Plant Download PDFInfo
- Publication number
- CN109659050A CN109659050A CN201811420396.XA CN201811420396A CN109659050A CN 109659050 A CN109659050 A CN 109659050A CN 201811420396 A CN201811420396 A CN 201811420396A CN 109659050 A CN109659050 A CN 109659050A
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- Prior art keywords
- replacement
- stainless steel
- steel bar
- stick
- manufacturing
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention relates to a kind of replacement sticks and its manufacturing method for Nuclear Plant, comprising: S1, obtains a stainless steel bar；S2, removal procedure is carried out to stainless steel bar, obtains the stainless steel bar steel ingot met the requirements；In forging ejection course of hot rolling, forging ratio > 3 is rolled than > 3 for S3, stainless steel bar；S4, stainless steel bar need to carry out solution heat treatment in preset temperature range during heat treatment, and in the temperature difference of holding stage≤± 10 DEG C；S5, stainless steel bar is machined, is obtained and the matched replacement stick of the fuel rod of required replacement.The replacement stick can be used for pressurized-water reactor nuclear power plant fuel assembly rehablitation project, for replacing burst slug stick, guarantee that fuel assembly lattice cell structure is unaffected, and the replacement rod manufacturing method is easy to operate, applicability is good, it is at low cost, with short production cycle, be conducive to the economic benefit for improving each nuclear power station.
Description
Technical field
The present invention relates to the technical fields of Nuclear Plant, are used for fuel for nuclear power plant more specifically to one kind
The replacement stick and its manufacturing method of component.
Background technique
In existing nuclear power station in the rehablitation project of fuel assembly, generally requires and extract burst slug stick from fuel assembly
It is filled into original position (i.e. the original location of fuel rod) with specific replacement stick afterwards, to guarantee fuel assembly lattice cell structure not
It is impacted.
Currently, replacement stick complex manufacturing technology of the nuclear power station employed in rehablitation project, difficulty and cost are relatively high,
And the production cycle is longer, this has just directly influenced the normal operation of nuclear power station fuel component rehablitation project.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of for nuclear power station
The replacement stick and its manufacturing method of fuel assembly.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of replacing for Nuclear Plant
Change the manufacturing method of stick, comprising:
S1, a stainless steel bar is obtained；
S2, removal procedure is carried out to stainless steel bar, obtains the stainless steel bar steel ingot met the requirements；
In forging ejection course of hot rolling, forging ratio > 3 is rolled than > 3 for S3, stainless steel bar；
S4, stainless steel bar need to carry out solution heat treatment in preset temperature range during heat treatment, and in heat preservation rank
The temperature difference≤± 10 DEG C of section；
S5, stainless steel bar is machined, is obtained and the matched replacement stick of the fuel rod of required replacement.
Preferably, in the step S1, the stainless steel bar includes the raw material components of following mass percent: Co≤
0.04%, P≤0.03%, S≤0.015%, Cu≤1%, H≤0.0005%, B≤0.0015%, Al≤0.015%, Pb≤
0.005%.
Preferably, in the step S1, the stainless steel bar further includes the raw material components of following mass percent: C≤
0.03%；Si≤1%；Mn≤2%；Cr=18~20%；Ni=8~12%.
Preferably, in the step S4, the stainless steel bar is carried out during heat treatment used by solution heat treatment
Preset temperature range are as follows: 1050 DEG C~1150 DEG C.
Preferably, the step S5 includes:
S51, straightening processing is carried out to stainless steel bar, and according to the fuel rod with required replacement after completing straightening processing
The size cutting fixed length matched obtains the matched replacement stick of size with the fuel rod of required replacement；
S52, centerless grinding is carried out to the replacement stick.
Preferably, the manufacturing method further include:
S6, surface working process is carried out to the replacement stick using presetting method.
Preferably, the step S6 includes:
Surface working process is carried out to the replacement stick using automation polishing process, so that the replacement stick surface meets
It imposes a condition；
The setting condition are as follows: the replacement stick surface does not have shrinkage cavity, crimping, peeling and heat-treatment oxidation color.
Preferably, after the step S6 further include:
It is tested using ultrasonography and penetration inspection method to the replacement stick.
The present invention also provides a kind of replacement stick for Nuclear Plant, the replacement stick is stainless steel bar, and institute
State the raw material components that stainless steel bar includes following mass percent: Co≤0.04%, P≤0.03%, S≤0.015%, Cu≤
1%, H≤0.0005%, B≤0.0015%, Al≤0.015%, Pb≤0.005%.
Preferably, the stainless steel bar further includes the raw material components of following mass percent:
C≤0.03%；Si≤1%；Mn≤2%；Cr=18~20%；Ni=8~12%.
It is multiple to implement the existing manufacture craft of replacement stick and its manufacturing method solution for Nuclear Plant of the invention
Miscellaneous, difficulty and cost are relatively high, and production cycle longer problem, and can be used for pressurized-water reactor nuclear power plant using the replacement stick
Fuel assembly rehablitation project guarantees that fuel assembly lattice cell structure is unaffected, it is ensured that nuclear power station for replacing burst slug stick
Fuel assembly rehablitation project is gone on smoothly.
Further, the manufacturing method of replacement stick of the invention is easy to operate, and applicability is good, the at low cost, production cycle
It is short, be conducive to the economic benefit for improving each nuclear power station.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of process of the manufacturing method of replacement stick for Nuclear Plant provided in an embodiment of the present invention
Schematic diagram；
Fig. 2 is a kind of replacement stick structural schematic diagram for Nuclear Plant provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is a kind of manufacturing method of replacement stick for Nuclear Plant provided in an embodiment of the present invention with reference to Fig. 1,
Be mainly used in pressurized-water reactor nuclear power plant fuel assembly rehablitation project using replacement stick made by this method, by burst slug stick from
It is filled into the original position of fuel rod with replacement stick after extracting in fuel assembly, to guarantee fuel assembly lattice cell structure not by shadow
It rings, alternatively, the solid bar in nuclear fuel associated component can also be substituted, or the depleted uranium block or molybdenum of substitution simulation nuclear fuel assembly
Pellet fuel stick.
As shown in Figure 1, the manufacturing method the following steps are included:
Step S1, a stainless steel bar is obtained.
Wherein, which includes the raw material components of following mass percent: Co≤0.04%, P≤0.03%, S≤
0.015%, Cu≤1%, H≤0.0005%, B≤0.0015%, Al≤0.015%, Pb≤0.005%.
Further, in the embodiment of the present invention, which further includes the raw material components of following mass percent: C≤
0.03%；Si≤1%；Mn≤2%；Cr=18~20%；Ni=8~12%.
In the embodiment of the present invention, which can be by stainless steel by electric furnace smelting, or uses other comparable works
Skill, which is smelted, to be obtained.
Step S2, removal procedure is carried out to stainless steel bar, obtains the stainless steel bar steel ingot met the requirements.
Step S3, in forging ejection course of hot rolling, forging ratio > 3 is rolled than > 3 stainless steel bar.
In the embodiment of the present invention, stainless steel bar can use hot rolling or hot-forging forming.
Step S4, stainless steel bar need to carry out solution heat treatment in preset temperature range during heat treatment, and protect
The temperature difference of thermophase≤± 10 DEG C.
Optionally, in the embodiment of the present invention, stainless steel bar carries out pre- used by solution heat treatment during heat treatment
If temperature range are as follows: 1050 DEG C~1150 DEG C.
Step S5, stainless steel bar is machined, obtained and the matched replacement stick of the fuel rod of required replacement.
Further, in the embodiment of the present invention, step S5 the following steps are included:
Step S51, straightening processing is carried out to stainless steel bar, and according to the fuel with required replacement after completing straightening processing
The matched size cutting fixed length of stick obtains the matched replacement stick of size with the fuel rod of required replacement.
Wherein, the fuel rod of required replacement is different, and the fixed length cut needed for stainless steel bar is different, in specific cutting fixed length process
In, it needs to be cut according to the size of the fuel rod of required replacement.
Further, after carrying out straightening processing to stainless steel bar, straightness can also be guaranteed using tumbling process.
Step S52, centerless grinding is carried out to replacement stick.
Further, the manufacturing method of the replacement stick for being used for Nuclear Plant further include:
Step S6, surface working process is carried out to replacement stick using presetting method.
Specifically, surface working process can be carried out to replacement stick using automation polishing process, so that replacement stick surface
Meet and imposes a condition.
The setting condition wherein met are as follows: replacement stick surface does not have shrinkage cavity, crimping, peeling and heat-treatment oxidation color.
In the embodiment of the present invention, before carrying out ultrasonic examination and penetration inspection, the appearance of replacement stick need to be checked,
If the surface of replacement stick is unsatisfactory for the surface defect to impose a condition, can be removed using the method for polishing.For another example, if replacement stick table
There is the oxide skin generated by heat treatment in face, need to use pickling or the comparable method scale removal of other effects.
Further, after step S6 further include:
It is tested using ultrasonography and penetration inspection method to replacement stick.
With reference to Fig. 2, the present invention also provides a kind of replacement stick for Nuclear Plant, which can pass through
The manufacturing method of previous embodiment is made.
In the embodiment of the present invention, provided replacement stick is stainless steel bar.
Further, the stainless steel bar of the embodiment of the present invention includes the raw material components of following mass percent: Co≤
0.04%, P≤0.03%, S≤0.015%, Cu≤1%, H≤0.0005%, B≤0.0015%, Al≤0.015%, Pb≤
0.005%.
Further, which further includes the raw material components of following mass percent:
C≤0.03%；Si≤1%；Mn≤2%；Cr=18~20%；Ni=8~12%.
By using the replacement stick provided in an embodiment of the present invention for Nuclear Plant, solves existing production work
Skill complexity, difficulty and problem at high cost, that the production cycle is long, and pressurized-water reactor nuclear power plant fuel stack can be used for using the replacement stick
Part rehablitation project guarantees that fuel assembly lattice cell structure is unaffected, it is ensured that fuel for nuclear power plant group for replacing burst slug stick
Part rehablitation project is gone on smoothly.In addition, the manufacturing method of replacement stick provided in an embodiment of the present invention is easy to operate, applicability
It is good, it is at low cost, be conducive to the economic benefit for improving each nuclear power station.
Above embodiments only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
Scholar can understand the contents of the present invention and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The equivalent changes and modifications that range is done are sought, should belong to the covering scope of the claims in the present invention.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of manufacturing method of the replacement stick for Nuclear Plant characterized by comprising
S1, a stainless steel bar is obtained；
S2, removal procedure is carried out to stainless steel bar, obtains the stainless steel bar steel ingot met the requirements；
In forging ejection course of hot rolling, forging ratio > 3 is rolled than > 3 for S3, stainless steel bar；
S4, stainless steel bar need to carry out solution heat treatment in preset temperature range during heat treatment, and in holding stage
The temperature difference≤± 10 DEG C；
S5, stainless steel bar is machined, is obtained and the matched replacement stick of the fuel rod of required replacement.
2. the manufacturing method of the replacement stick according to claim 1 for Nuclear Plant, which is characterized in that described
In step S1, the stainless steel bar includes the raw material components of following mass percent: Co≤0.04%, P≤0.03%, S≤
0.015%, Cu≤1%, H≤0.0005%, B≤0.0015%, Al≤0.015%, Pb≤0.005%.
3. the manufacturing method of the replacement stick according to claim 1 for Nuclear Plant, which is characterized in that described
In step S1, the stainless steel bar further includes the raw material components of following mass percent: C≤0.03%；Si≤1%；Mn≤
2%；Cr=18~20%；Ni=8~12%.
4. the manufacturing method of the replacement stick according to claim 1 for Nuclear Plant, which is characterized in that described
In step S4, the stainless steel bar carries out preset temperature range used by solution heat treatment during heat treatment are as follows: 1050
DEG C~1150 DEG C.
5. the manufacturing method of the replacement stick according to claim 1 for Nuclear Plant, which is characterized in that described
Step S5 includes:
S51, straightening processing is carried out to stainless steel bar, and according to matched with the fuel rod of required replacement after completing straightening processing
Size cutting fixed length obtains the matched replacement stick of size with the fuel rod of required replacement；
S52, centerless grinding is carried out to the replacement stick.
6. the manufacturing method of the replacement stick according to claim 1 for Nuclear Plant, which is characterized in that described
Manufacturing method further include:
S6, surface working process is carried out to the replacement stick using presetting method.
7. the manufacturing method of the replacement stick according to claim 6 for Nuclear Plant, which is characterized in that described
Step S6 includes:
Surface working process is carried out to the replacement stick using automation polishing process, so that the replacement stick surface meets setting
Condition；
The setting condition are as follows: the replacement stick surface does not have shrinkage cavity, crimping, peeling and heat-treatment oxidation color.
8. the manufacturing method of the replacement stick according to claim 7 for Nuclear Plant, which is characterized in that described
After step S6 further include:
It is tested using ultrasonography and penetration inspection method to the replacement stick.
9. a kind of replacement stick for Nuclear Plant, which is characterized in that the replacement stick be stainless steel bar, and it is described not
Rust rod iron includes the raw material components of following mass percent: Co≤0.04%, P≤0.03%, S≤0.015%, Cu≤1%, H
≤ 0.0005%, B≤0.0015%, Al≤0.015%, Pb≤0.005%.
10. the replacement stick according to claim 9 for Nuclear Plant, which is characterized in that the stainless steel bar
Further include the raw material components of following mass percent:
C≤0.03%；Si≤1%；Mn≤2%；Cr=18~20%；Ni=8~12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420396.XA CN109659050A (en) | 2018-11-26 | 2018-11-26 | A kind of replacement stick and its manufacturing method for Nuclear Plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420396.XA CN109659050A (en) | 2018-11-26 | 2018-11-26 | A kind of replacement stick and its manufacturing method for Nuclear Plant |
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| Publication Number | Publication Date |
|---|---|
| CN109659050A true CN109659050A (en) | 2019-04-19 |
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ID=66111872
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811420396.XA Pending CN109659050A (en) | 2018-11-26 | 2018-11-26 | A kind of replacement stick and its manufacturing method for Nuclear Plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319722A (en) * | 2019-07-31 | 2019-10-11 | 东莞市沐源不锈钢有限公司 | Plug and preparation method thereof in a kind of stainless steel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA000543B1 (en) * | 1996-07-01 | 1999-10-28 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Method for expanding a steel tubing and well with such a tubing |
| KR20060074058A (en) * | 2004-12-27 | 2006-07-03 | 주식회사 포스코 | Weld metal and laser welding method for austenitic stainless steel |
| CN103060709A (en) * | 2013-01-08 | 2013-04-24 | 江苏银环精密钢管股份有限公司 | Precise stainless steel tube for nuclear power unit, and its making technology |
| CN108160743A (en) * | 2017-12-19 | 2018-06-15 | 浙江久立特材科技股份有限公司 | A kind of fuel Stainless Steel Cladding manufacturing process |
-
2018
- 2018-11-26 CN CN201811420396.XA patent/CN109659050A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA000543B1 (en) * | 1996-07-01 | 1999-10-28 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Method for expanding a steel tubing and well with such a tubing |
| KR20060074058A (en) * | 2004-12-27 | 2006-07-03 | 주식회사 포스코 | Weld metal and laser welding method for austenitic stainless steel |
| CN103060709A (en) * | 2013-01-08 | 2013-04-24 | 江苏银环精密钢管股份有限公司 | Precise stainless steel tube for nuclear power unit, and its making technology |
| CN108160743A (en) * | 2017-12-19 | 2018-06-15 | 浙江久立特材科技股份有限公司 | A kind of fuel Stainless Steel Cladding manufacturing process |
Non-Patent Citations (1)
| Title |
|---|
| 中国国家标准化委员管理会: "《GB/T 36027-2018》", 15 March 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319722A (en) * | 2019-07-31 | 2019-10-11 | 东莞市沐源不锈钢有限公司 | Plug and preparation method thereof in a kind of stainless steel |
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