CN107553004A - A kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application - Google Patents
A kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application Download PDFInfo
- Publication number
- CN107553004A CN107553004A CN201710895974.4A CN201710895974A CN107553004A CN 107553004 A CN107553004 A CN 107553004A CN 201710895974 A CN201710895974 A CN 201710895974A CN 107553004 A CN107553004 A CN 107553004A
- Authority
- CN
- China
- Prior art keywords
- welding
- stainless steel
- sodium
- fast reactor
- cooled fast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application, belong to technical field of welding materials.The welding wire chemical composition is (wt.%)：C：0.03 0.08%, Cr：18.0 20.0%, Ni：11.5 13.5%, Mo：2.00 2.60%, N：0.04 0.08%, Mn：1.40 2.40%, Si：0.30 0.70% surplus is iron and inevitable impurity.Welding wire of the present invention welds suitable for sodium-cooled fast reactor, and during welding, splash small, process stabilization, and processing performance is good.Stainless steel welding stick of the present invention can obtain meeting the requirements the weld seam of performance, can substitute import welding wire.
Description
Technical field
The present invention relates to technical field of welding materials, and in particular to a kind of sodium-cooled fast reactor with austenitic stainless steel bare wire and
It is applied, and the welding wire welds applied to sodium-cooled fast reactor.
Background technology
By different parts, (such as interior outer container, heap inner supporting structure, grid plate header, reactor core enclose bucket, heat to sodium-cooled fast reactor structure
Shielding etc.) it is welded.It is compact to design, complicated because fast reactor physical dimension is big, cause welding procedure complicated, welding capacity is big.
In fast reactor running, heap inner structure material is under high temperature, high corrosion, high radiation environment, and operating mode is extremely harsh, in heap
Critical component under arms during should bear (such as the neutron agent born in primary tank and heap of certain fast neutron dosage
Measure about 1018n/cm2；It is larger that reactor core encloses the neutron dose that bucket is born, up to 1022n/cm2) and hot environment (such as primary tank and
The service temperature about 633K of supporting in heap；Reactor core encloses barrel service temperature about 633K~800K), consider and surrounding medium (liquid again
State sodium or Sodium vapour) consistency problem, in addition, (40 years projected lives) can not be more in the phase under arms for these critical components
Change.Consideration based on above-mentioned factor, engineering design propose higher requirement with the performance of welding material to critical component in heap,
To ensure the security reliability of fast stack operation.
Wlding system in China's is not complete at present, and particularly high-end wlding largely relies on import, China Experiment Fast Reactor (CEFR)
Using the welding of external import welding material, (such as 308/308H, 316/316H are stainless steel welded for middle crucial welding structure part
Material), it is not only expensive and serious under one's control, it is unfavorable for ensureing being smoothed out for the fast reactor manufacturing.From state's interior energy
From the point of view of source domain large welded structures military service process, welding point is the weak link for being also easy to produce early stage timeliness, it should is strengthened big
The development of welding material needed for the manufacture of type welding structure.As China's demonstration fast reactor is critical and following business fast reactor construction
It is increasing, the high-end stainless steel welding material for possessing independent intellectual property right, being built suitable for fast reactor is developed, is to be badly in need of solving
Problem.
The content of the invention
In order to solve do not have the welding wire for being used for sodium-cooled fast reactor by certification, Yi Jiyi in domestic existing stainless steel welding stick also
Straight the problems such as depending on import, it is an object of the invention to provide a kind of sodium-cooled fast reactor with austenitic stainless steel bare wire and its to answer
With the welding of welding wire critical structural component suitable for sodium-cooled fast reactor.
To achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of sodium-cooled fast reactor austenitic stainless steel bare wire, by weight percentage, the chemical composition of the welding wire is as follows：
C：0.03-0.08%；Cr：18.0-20.0%；Ni：11.5-13.5%；Mo：2.00-2.60%；N：0.04-
0.08%；Mn：1.40-2.40%；Si：0.30-0.70%；Surplus is iron and inevitable impurity.
In the welding wire chemical composition：Nb≤0.05wt.%；P≤0.02wt.%；S≤0.02wt.%.
The stainless steel welding stick can use vacuum induction furnace smelting to produce, and can also add secondary refining method to smelt life using electric furnace
Production, as long as the final chemical composition of welding wire can meet the requirement of range above.
The welding wire is applied to the welding of sodium-cooled fast reactor, and welding process is：It is Φ 1.2mm welding wires to take specification, is welded using TIG,
Joint form is docking, and welding parameter is：Welding current 180A, arc voltage 14V, electric current species/polarity DCEN, speed of welding
0.1m/min, arc protection use 99.99% high purity argon, argon flow amount 15L/min；Weld deposit gold is obtained after welding
Category.
The present invention has advantages below：
1st, experiments verify that, stainless steel bare wire of the present invention is applied to the welding of sodium-cooled fast reactor.
When the 2nd, being welded using stainless steel welding stick of the present invention, splash small, process stabilization, and processing performance is good.
3rd, stainless steel welding stick of the present invention can obtain meeting the requirements the weld seam of performance, can substitute import welding wire.
4th, the deposited metal of stainless steel welding stick of the present invention meets following performance requirement：The requirement of deposited metal room-temperature property：Bend
Take intensity Rp0.2>=210MPa, tensile strength Rm>=520MPa, elongation percentage A >=30%, ballistic work Akv≥90J；Deposited metal is (high
Warm tensile property requirement)：450℃：Rp0.2>=121MPa, Rm≥482MPa；550℃：Rp0.2>=116MPa, Rm≥435MPa；
650℃：Rp0.2>=110MPa, Rm≥347MPa；Delta ferrite number (FN values) in deposited metal is between 4~8；Deposited metal is held
Long performance：550 DEG C, under 260MPa, the time >=700h.Deposited metal performance meets standard requirement, can substitute import welding wire, and
And small, the process stabilization of welding process splashing, processing performance are good.
Brief description of the drawings
Fig. 1 is welding point form of the present invention.
Embodiment
Stainless steel bare wire can use vacuum induction furnace smelting to produce in the present invention, also can add external refining side using electric furnace
Method smelts production, as long as the final chemical composition of welding wire can meet limited component of weld wire；In addition, the whole smelting of welding wire
Refining production process and process do not have difference with common stainless steel welding stick.
Embodiment 1：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.042%th, Cr：18.84%th, Ni：12.6%th, Mo：2.49%th, N：0.063%th, Mn：1.59%th, Si：
0.42%th, Nb≤0.005%, P：0.004%th, S：0.0007%, remaining composition is iron and inevitable impurity.
Embodiment 2：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.058%th, Cr：18.79%th, Ni：12.7%th, Mo：2.45%th, N：0.069%th, Mn：1.59%th, Si：
0.47%th, Nb≤0.005%, P：0.004%th, S：0.0007%, remaining composition is iron and inevitable impurity.
Embodiment 3：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.043%th, Cr：18.97%th, Ni：12.6%th, Mo：2.48%th, N：0.052%th, Mn：1.57%th, Si：
0.43%th, Nb≤0.005%, P：0.004%th, S：0.0015%, remaining composition is iron and inevitable impurity.
Embodiment 4：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.041%th, Cr：19.08%th, Ni：12.6%th, Mo：2.26%th, N：0.064%th, Mn：1.57%th, Si：
0.42%th, Nb≤0.005%, P：0.004%th, S：0.0016%, remaining composition is iron and inevitable impurity.
Comparative example 1：
The basic chemical composition of the weather-resistant gas-shielded solder wire is (weight ratio)：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.015%th, Cr：19.0%th, Ni：12.7%th, Mo：2.53%th, N：0.065%th, Mn：1.59%th, Si：
0.41%th, Nb≤0.005%, P：0.004%th, S：0.002%, remaining composition is iron and inevitable impurity.
Comparative example 2：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.045%th, Cr：18.94%th, Ni：12.7%th, Mo：2.51%th, N：0.03%th, Mn：1.60%th, Si：
0.42%th, Nb≤0.005%, P：0.004%th, S：0.0008%, remaining composition is iron and inevitable impurity.
Comparative example 3：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.041%th, Cr：18.99%th, Ni：12.7%th, Mo：2.77%th, N：0.061%th, Mn：1.58%th, Si：
0.42%th, Nb≤0.005%, P：0.004%th, S：0.0016%, remaining composition is iron and inevitable impurity.
Comparative example 4：
The basic chemical composition of the stainless steel welding stick is (weight ratio)：
C：0.047%th, Cr：18.92%th, Ni：12.5%th, Mo：2.45%th, N：0.063%th, Mn：1.59%th, Si：
0.46%th, Nb：0.60%th, P：0.004%th, S：0.0008%, remaining composition is iron and inevitable impurity.
The room temperature tensile properties test result of the embodiment of table 1 and comparative example
450 DEG C of tensile property test results of the embodiment of table 2 and comparative example
550 DEG C of tensile property test results of the embodiment of table 3 and comparative example
650 DEG C of tensile property test results of the embodiment of table 4 and comparative example
The room temperature impact the performance test results of the embodiment of table 5 and comparative example
The delta ferrite level of the embodiment of table 6 and comparative example (FN values)
The enduring quality test result of the embodiment of table 7 and comparative example
The soldering test condition of above example and comparative example test result is as shown in table 8, and welding point form used is such as
Shown in Fig. 1.
The soldering test condition of table 8
The present invention is required the performance design of the deposited metal of sodium-cooled fast reactor stainless steel bare wire：
Yield strength Rp0.2>=210MPa, tensile strength Rm>=520MPa, elongation percentage A >=30%, ballistic work Akv≥90J；
Deposited metal (high temperature tensile properties requirement)：450℃：Rp0.2>=121MPa, Rm≥482MPa；550℃：Rp0.2>=116MPa, Rm
≥435MPa；650℃：Rp0.2>=110MPa, Rm≥347MPa；Delta ferrite level (FN values) in deposited metal is between 4~8；
Deposited metal enduring quality：550 DEG C, under 260MPa, the time >=700h.
It can be seen that from embodiment 1-4, comparative example 1-4, table 1-7：
The welding wire chemical composition designed using the present invention, embodiment 1-4 meet the performance design requirement of the present invention.Comparative example
In 1, the C content of welding wire is not in the range of technical solution of the present invention, 450,550 and 650 DEG C of tensile strength and delta ferrite number
(FN values) does not meet the design requirement of the present invention；In comparative example 2, the N content of welding wire not in the range of technical solution of the present invention,
Its 450 and 650 DEG C of tensile strength and delta ferrite number (FN values) do not meet the design requirement of the present invention；In comparative example 3, welding wire
Not in the range of technical solution of the present invention, its 550 and 650 DEG C of tensile strength and delta ferrite number (FN values) do not meet Mo contents
The design requirement of the present invention；In comparative example 4, the Nb contents of welding wire are not in the range of technical solution of the present invention, its delta ferrite number
(FN values) does not meet the design requirement of the present invention.
Claims (5)
- A kind of 1. sodium-cooled fast reactor austenitic stainless steel bare wire, it is characterised in that：By weight percentage, the chemistry of the welding wire Composition is as follows：C：0.03-0.08%；Cr：18.0-20.0%；Ni：11.5-13.5%；Mo：2.00-2.60%；N：0.04-0.08%； Mn：1.40-2.40%；Si：0.30-0.70%；Surplus is iron and inevitable impurity.
- 2. sodium-cooled fast reactor according to claim 1 austenitic stainless steel bare wire, it is characterised in that：The welding wire chemistry into In point：Nb≤0.05wt.%；P≤0.02wt.%；S≤0.02wt.%.
- 3. the sodium-cooled fast reactor according to claim 1 application of austenitic stainless steel bare wire, it is characterised in that：The welding wire Welding applied to sodium-cooled fast reactor.
- 4. the sodium-cooled fast reactor according to claim 3 application of austenitic stainless steel bare wire, it is characterised in that：The welding wire Welding process is：It is Φ 1.2mm welding wires to take specification, is welded using TIG, and joint form is docking, and welding parameter is：Welding current 170-190A, arc voltage 11-16V, electric current species/polarity DCEN, speed of welding 0.07-0.13m/min, arc protection use 99.99% high purity argon, argon flow amount 13-16L/min；Weld(ing) deposit is obtained after welding.
- 5. the sodium-cooled fast reactor according to claim 4 application of austenitic stainless steel bare wire, it is characterised in that：After welding The performance of the weld(ing) deposit of acquisition is as follows：Performance is under deposited metal room temperature condition：Yield strength Rp0.2>=210MPa, tensile strength Rm>=520MPa, elongation percentage A >= 30%, ballistic work Akv≥90J；Deposited metal high temperature tensile properties are：450℃：Rp0.2>=121MPa, Rm≥482MPa；550℃：Rp0.2>=116MPa, Rm ≥435MPa；650℃：Rp0.2>=110MPa, Rm≥347MPa；Delta ferrite number (FN values) in deposited metal is between 4~8；Deposited metal enduring quality：550 DEG C, under the conditions of 260MPa, the time >=700h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895974.4A CN107553004B (en) | 2017-09-28 | 2017-09-28 | Austenitic stainless steel light welding wire for sodium-cooled fast reactor and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895974.4A CN107553004B (en) | 2017-09-28 | 2017-09-28 | Austenitic stainless steel light welding wire for sodium-cooled fast reactor and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107553004A true CN107553004A (en) | 2018-01-09 |
| CN107553004B CN107553004B (en) | 2020-12-25 |
Family
ID=60983223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710895974.4A Active CN107553004B (en) | 2017-09-28 | 2017-09-28 | Austenitic stainless steel light welding wire for sodium-cooled fast reactor and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107553004B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702382A (en) * | 2018-12-27 | 2019-05-03 | 浙江富春江水电设备有限公司 | A kind of welding material and its welding method of the military service for a long time of suitable hot conditions |
| CN112536546A (en) * | 2020-12-02 | 2021-03-23 | 中国科学院金属研究所 | Drawing process of austenitic stainless steel bare wire for sodium-cooled fast reactor |
| CN112589317A (en) * | 2020-12-02 | 2021-04-02 | 中国科学院金属研究所 | Austenitic stainless steel welding wire with intergranular corrosion resistance after long-term high-temperature service |
| CN112916986A (en) * | 2021-02-02 | 2021-06-08 | 常州本森焊业科技有限公司 | Build-up welding method for continuous casting roller |
| CN114310034A (en) * | 2022-01-11 | 2022-04-12 | 丹阳亿鑫合金有限公司 | Low-carbon nickel-chromium-molybdenum-niobium alloy welding wire and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6313692A (en) * | 1986-07-05 | 1988-01-20 | Kobe Steel Ltd | Wire for welding austenitic stainless steel |
| CN101244494A (en) * | 2008-03-28 | 2008-08-20 | 常州华通焊丝有限公司 | Austenitic stainless steel buried arc welding wire for low-temperature equipment |
| CN103317256A (en) * | 2013-05-15 | 2013-09-25 | 丹阳市华龙特钢有限公司 | Austenitic stainless steel submerged-arc welding wire with excellent high-temperature strength |
| CN103480975A (en) * | 2013-05-15 | 2014-01-01 | 丹阳市华龙特钢有限公司 | Manufacturing method of nuclear-grade austenitic stainless steel welding wire |
| CN103521946A (en) * | 2013-11-02 | 2014-01-22 | 丹阳市华龙特钢有限公司 | High-strength austenitic stainless steel submerged-arc welding wire |
| CN104493374A (en) * | 2014-11-19 | 2015-04-08 | 钢铁研究总院 | Austenitic stainless steel welding wire and welding technology thereof |
-
2017
- 2017-09-28 CN CN201710895974.4A patent/CN107553004B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6313692A (en) * | 1986-07-05 | 1988-01-20 | Kobe Steel Ltd | Wire for welding austenitic stainless steel |
| CN101244494A (en) * | 2008-03-28 | 2008-08-20 | 常州华通焊丝有限公司 | Austenitic stainless steel buried arc welding wire for low-temperature equipment |
| CN103317256A (en) * | 2013-05-15 | 2013-09-25 | 丹阳市华龙特钢有限公司 | Austenitic stainless steel submerged-arc welding wire with excellent high-temperature strength |
| CN103480975A (en) * | 2013-05-15 | 2014-01-01 | 丹阳市华龙特钢有限公司 | Manufacturing method of nuclear-grade austenitic stainless steel welding wire |
| CN103521946A (en) * | 2013-11-02 | 2014-01-22 | 丹阳市华龙特钢有限公司 | High-strength austenitic stainless steel submerged-arc welding wire |
| CN104493374A (en) * | 2014-11-19 | 2015-04-08 | 钢铁研究总院 | Austenitic stainless steel welding wire and welding technology thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109702382A (en) * | 2018-12-27 | 2019-05-03 | 浙江富春江水电设备有限公司 | A kind of welding material and its welding method of the military service for a long time of suitable hot conditions |
| CN112536546A (en) * | 2020-12-02 | 2021-03-23 | 中国科学院金属研究所 | Drawing process of austenitic stainless steel bare wire for sodium-cooled fast reactor |
| CN112589317A (en) * | 2020-12-02 | 2021-04-02 | 中国科学院金属研究所 | Austenitic stainless steel welding wire with intergranular corrosion resistance after long-term high-temperature service |
| CN112536546B (en) * | 2020-12-02 | 2022-05-06 | 中国科学院金属研究所 | Drawing process of austenitic stainless steel bare wire for sodium-cooled fast reactor |
| CN112589317B (en) * | 2020-12-02 | 2022-05-17 | 中国科学院金属研究所 | Austenitic stainless steel welding wire with intergranular corrosion resistance after long-term high-temperature service |
| CN112916986A (en) * | 2021-02-02 | 2021-06-08 | 常州本森焊业科技有限公司 | Build-up welding method for continuous casting roller |
| CN114310034A (en) * | 2022-01-11 | 2022-04-12 | 丹阳亿鑫合金有限公司 | Low-carbon nickel-chromium-molybdenum-niobium alloy welding wire and preparation method thereof |
| CN114310034B (en) * | 2022-01-11 | 2023-10-13 | 丹阳亿鑫合金有限公司 | Low-carbon nickel-chromium-molybdenum-niobium alloy welding wire and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107553004B (en) | 2020-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107553004A (en) | A kind of sodium-cooled fast reactor austenitic stainless steel bare wire and its application | |
| CN102581513B (en) | Nickel-based welding wire for main equipment of nuclear island of nuclear power station | |
| CN105921912B (en) | 1Cr12Ni2W1MoV stainless steel self-protection flux-cored wire and preparation method thereof | |
| AU2020102032A4 (en) | Deposited metal of stainless steel electrode for fast reactor | |
| CN108942097A (en) | A kind of corrosion-resistant coiled tubing of high frequency induction welding high alloy and preparation method thereof | |
| CN102380694B (en) | Welding process for longitudinal weld joints of submerged-arc welding for high-strength pipeline steel | |
| EP2687311A1 (en) | Welding structure and welding method | |
| CN107398656B (en) | A kind of Super304H steel welding wire of high temperature creep-resisting and initial aging stage | |
| WO2023202051A1 (en) | Nickel-based welding wire, manufacturing method for nickel-based welding wire, and welding process for nickel-based welding wire | |
| CN102773631A (en) | Core wire and coating of nuclear-grade nickel base covered electrode of basic slag system, covered electrode and preparation methods | |
| CN102922083A (en) | Welding method of nuclear grade stainless steel | |
| CN106001988B (en) | A kind of four generation nuclear power martensite heat-resistant steel welding wire and its welding procedures with high impact property | |
| CN107598402A (en) | CRDM dissimilar metal heavy wall butt weld one-shot forming welding procedure | |
| EP2552639A1 (en) | Nickel -based alloy, welding consumable formed from the said alloy and use of the consumable in a welding process. | |
| CN105312793A (en) | Fe-Ni based high-temperature alloy welding wire for high-temperature component for 700 DEG C ultra-supercritical thermal power and application of Fe-Ni based high-temperature alloy welding wire | |
| CN105014261A (en) | Seamless metal powder core type flux-cored wire for chromium-molybdenum steel | |
| CN109093279A (en) | A kind of stainless steel electrode and preparation method for the cold fast breeder reactor welding of sodium | |
| CN104722954A (en) | Automatic submerged arc welding wire used in nuclear grade strong radiation area | |
| JP2003071589A (en) | Manufacturing method for high strength steel pipe joint for oil well | |
| CN108857141A (en) | It is a kind of 620MPa grades can stress-removal processing gas shield welding wire | |
| CN104511700A (en) | Nickel base alloy welding wire and preparation method thereof | |
| CN109317787A (en) | A kind of steel conduit all positon narrow gap TIG automatic welding process | |
| CN108581139A (en) | A kind of welding method of oil and gas transmission bimetal compound pipeline | |
| CN105195866B (en) | A kind of full-automatic root bead method of the pipe end of composite bimetal pipe | |
| CN105643061B (en) | For the CO of superhigh intensity steel plate2The welding method of gas shielded arc welding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |