CN105108373B - Nuclear power station main steam line Site Welding welding rod special for special - Google Patents
Nuclear power station main steam line Site Welding welding rod special for special Download PDFInfo
- Publication number
- CN105108373B CN105108373B CN201510312541.2A CN201510312541A CN105108373B CN 105108373 B CN105108373 B CN 105108373B CN 201510312541 A CN201510312541 A CN 201510312541A CN 105108373 B CN105108373 B CN 105108373B
- Authority
- CN
- China
- Prior art keywords
- content
- special
- main steam
- welding
- welding rod
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0272—Rods, electrodes, wires with more than one layer of coating or sheathing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3602—Carbonates, basic oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3603—Halide salts
- B23K35/3605—Fluorides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a kind of nuclear power station main steam line Site Welding welding rod special for special, its deposited metal includes following element, and the optimum content of these elements is respectively：C content≤the 1.00wt% of 0.5 0.70wt%, Mn content of 0.12wt%, Si content 0.85,0.07 0.20wt%, Cr content of P content 0.018 0.020wt%, S content, 0.014 0.020wt%, Ni content 1.20 1.50wt%, Mo content≤0.35wt% of 0.3wt%, Cu content 0.025.Compared with prior art, the chemical composition and SA335P11 main steam lines steel of nuclear power station main steam line Site Welding welding rod special for special deposited metal of the present invention are relatively, mechanical property is also superior to existing E5015 welding rods or suitable with existing E5015 welding rods, therefore the anti-FAC performances of SA335P11 main steam line weld seams are completed using it to be significantly increased, it ensure that quality of the nuclear power station main steam line weld seam during operation, the safe operation to nuclear power generating sets is significant.
Description
Technical field
The present invention relates to nuclear power station main steam line Site Welding special welding material, especially one kind can be reduced substantially
The welding rod special for special of FAC corrosion rates.
Background technology
It (is about thermoelectricity that medium temperature is high in the secondary circuit main steam delivery pipe of nuclear island of nuclear power station, flow velocity is fast, flow is big
1.7~1.9 times), it can produce existing caused by the flowing velocity of conveying steam and water is higher " Flow accelerated corrosion (FAC) "
As, i.e. carbon steel pipe internal surface is in the case where substantial amounts of, swiftly flowing carbonated drink is washed away, inwall have defencive function oxide layer deterioration,
It is thinning, steel matrix is deteriorated, the increased phenomenon of annual corrosion rate.Flow accelerated corrosion phenomenon may cause pipe explosion accident when serious,
Therefore the anti-carbonated drink erosion property of raising delivery pipe is needed.
According to existing research data, FAC corrosion rate depends on medium temperature, flow velocity, PH values, electrode in carbon steel
The factors such as current potential, tubing alloying element, thermodynamics, wherein tubing alloying element are that can be solved by selecting steel grades
's.Research has shown that FAC corrosion rate can be substantially reduced after the Cr contents of addition particular range in carbon steel, it is " relative to subtract
Cr% relations in thin rate-steel " result of the test shows that, as the Cr content ＞ 0.04% in carbon steel, FAC speed declines rapidly：Pipe
Corrosion rate of the road material Cr contents at≤0.04% is higher, and corrosion rate is substantially suitable, it is assumed that is 1, with Cr contents
Increase, corrosion rate gradually reduce；When Cr contents reach 0.2%, the relative velocity of corrosion is 0.2；When Cr contents reach
When 1%, the relative velocity of corrosion is 0.045.SA335P11 main steam lines are exactly to develop in this context with higher anti-
The new steel grade of FAC performances, its chemical composition and mechanical property is as shown in table 1, table 2.
Table 1, SA335P11 steel chemical compositions table/wt%
Table 2, SA335P11 steel mechanical property tables
The anti-FAC purposes of SA335P11 steel, it is desirable to which also there is certain content in matched welding material deposited metal
Cr elemental compositions, so as to also have the Cr of certain content in weld metal, the weld metal part of such pipeline also has anti-
FAC abilities.It is chemical due to that can only be selected there is presently no the welding material special to match with SA335P11 steel, therefore in Construction of Nuclear Electricity
Composition, mechanical property and the close E5015 welding rods of SA335P11 steel carry out the welding of SA335P11 steel.
E5015 welding rods are the welding rods for the welding of common 20,16Mn steel, and its chemical composition, mechanical property are as shown in table 3.
From table 3 it can be seen that the chromium content in E5015 welding rod deposited metals is few, it is impossible to meets that the welding of SA335P11 steel will
Ask.
Table 3, E5015 welding rods chemical composition (wt%), mechanical property table
In view of this, it is necessory to provide a kind of chemical composition and mechanical property and SA335P11 steel match completely it is special
Welding rod.
The content of the invention
It is an object of the invention to：A kind of chemical composition and mechanical property and complete of SA335P11 main steam lines are provided
The welding rod special for special matched somebody with somebody, to ensure the demand of the engineering construction of nuclear power projects mass and follow-up operation maintenance.
In order to realize foregoing invention purpose, inventor has found nuclear island main steam line site welding through concentrating on studies and testing
Connecing welding rod special for special deposited metal includes following element, and best results when the content of these elements is respectively values below：C content
≤ 0.12wt%, Si content 0.5-0.70wt%, Mn contents 0.85-1.00wt%, P content 0.018-0.020wt%, S content
0.014-0.020wt%, Ni content 0.07-0.20wt%, Cr content 1.20-1.50wt%, Mo content≤0.3wt%, Cu contain
Measure 0.025-0.35wt%.
As a kind of the improving of nuclear power main steam pipeline field of the present invention welding welding rod special for special, the welding rod include cored wire and
The coating being coated on cored wire, its cored wire are the steel wire for including following chemical composition：C content≤0.07wt%, Si content≤
0.65wt%, Mn content 0.85-1.00wt%, P content≤0.020wt%, S content≤0.020wt%, Ni content≤
0.30wt%, Cr content≤1.30wt%, Cu content≤0.020wt%..
As a kind of the improving of nuclear power main steam pipeline field of the present invention welding welding rod special for special, the formula bag of the coating
Include：Carbonate 30-70wt%, fluoride 8-45wt%, silicate 9-22wt%, ferroalloy 10-35wt%, arc stabilizer 5-
10wt%, binding agent 1-5wt%.
One kind as nuclear power main steam pipeline field of the present invention welding welding rod special for special is improved, in the welding rod deposited metal
Including following element, the content of these elements is respectively：C content 0.080wt%, Si content 0.50wt%, Mn content
0.85wt%, P content 0.020wt%, S content 0.015wt%, Ni content 0.070wt%, Cr content 1.39wt%, Cu content
0.036wt%, V content 0.008wt%, Al content 0.001wt%, Mo content are no more than 0.28wt%.
One kind as nuclear power main steam pipeline field of the present invention welding welding rod special for special is improved, in the welding rod deposited metal
Including following element, the content of these elements is respectively：C content 0.067wt%, Si content 0.52wt%, Mn content
0.90wt%, P content 0.018wt%, S content 0.016wt%, Ni content 0.011wt%, Cr content 1.25wt%, Cu content
0.026wt%, V content 0.008wt%, Al content 0.001wt%, Mo content are no more than 0.30wt%.
One kind as nuclear power main steam pipeline field of the present invention welding welding rod special for special is improved, in the welding rod deposited metal
Including following element, the content of these elements is respectively：C content 0.049wt%, Si content 0.50wt%, Mn content
0.87wt%, P content 0.018wt%, S content 0.014wt%, Ni content 0.011wt%, Cr content 1.36wt%, Cu content
0.025wt%, V content 0.008wt%, Al content 0.002wt%, Mo content are no more than 0.30wt%.
As a kind of the improving of nuclear power main steam pipeline field of the present invention welding welding rod special for special, the specification of the welding rod is Φ
2.0mm, Φ 3.2mm or Φ 4.0mm.
Compared with prior art, the chemical composition of nuclear power main steam pipeline field welding welding rod special for special deposited metal of the present invention
With SA335P11 main steam lines relatively, mechanical property also superior to existing E5015 welding rods or with existing E5015 welding rods
Quite, therefore complete the anti-FAC performances of SA335P11 main steam line weld seams using it to be significantly increased, it is ensured that nuclear power station
Quality of the main steam line weld seam during operation, the safe operation to nuclear power generating sets are significant.It can be seen that core of the present invention
Electric main steam line welding rod special for special is efficiently solved currently without the welding material to match with SA335P11 main steam line steel
Problem.
Embodiment
In order that the purpose of the present invention, technical scheme and its advantageous effects become apparent from, below in conjunction with specific implementation
Mode, the present invention will be described in further detail.It should be appreciated that the embodiment described in this specification is only
It is to explain the present invention, is not intended to limit the present invention.
In order to coordinate with SA335P11 main steam lines steel, inventor has drawn nuclear power of the present invention through many experiments
Chemical composition, mechanical property, cored wire chemical composition and the coating of SA335P11 main steam line steel welding rod special for special deposited metals
The design load of formula, as shown in table 4-7.
Table 4, SA335P11 main steam line steel welding rod special for special deposited metal compositions design load/wt%
Table 5, SA335P11 main steam line steel welding rod special for special deposited metal mechanical property design loads
Table 6, SA335P11 main steam line steel welding rod special for special cored wire Design of Chemical Composition value/wt%
Acted on according to played in welding process, coating component is commonly divided into by effect：
1) arc stabilizer：Main function is the stability for the striking performance and raising welding arc for improving welding rod, all to make gas
The material that volume ionization reduces, the stability of electric arc can be improved, it is general to use the compound containing alkali and alkaline earth metal ions, such as
Potassium, sodium, the compound of calcium；SA335P11 main steam lines steel electrode coating arc stabilizer of the present invention may be from potassium carbonate, sodium carbonate,
Niter, waterglass and marble or lime stone, granite, feldspar, titanium dioxide etc.；
2) slag former：Main function can be formed with certain physics, the slag of chemical property, produces good machinery guarantor
Shield acts on and Metallurgical processing effect；SA335P11 main steam lines steel electrode coating slag former of the present invention may be from ilmenite, red
Iron ore, rutile, feldspar, marble, granite, fluorite, magnesia, violent ore deposit, titanium dioxide etc.；
3) gas-forming agent：Main function is to cause protective atmosphere, while is also beneficial to the droplet transfer；SA335 P11 of the present invention
The gas-forming agent constituent of main steam line steel electrode coating may be from carbonate mineral (such as marble, magnesite, dolomite
Deng) and organic matter (such as wood powder, cellulose, starch)；
4) deoxidier：Main function is to slag and weld metal deoxidation；SA335P11 main steam lines steel medicine of the present invention
Skin deoxidier constituent may be from ferromanganese, ferrosilicon, ferro-aluminum, ferrotianium, graphite etc.；
5) alloying constituent：Main function is that necessary alloying component is penetrated into weld metal, to compensate scaling loss or steaming
The alloying element of hair and the alloying element for adding property；SA335P11 main steam lines steel electrode coating alloying constituent of the present invention
Component mainly consider using evanohm, manganese alloy；
6) diluent：Main function is the viscosity for reducing welding slag, increases the mobility of slag；The present invention
The component of SA335P11 main steam line steel electrode coating diluents may be from fluorite, feldspar, ilmenite, titanium dioxide, rutile,
Manganese ore etc.；
7) bonding agent：Main function is that the coating stock that makes a noise is bonded on core wire；SA335P11 main steam lines of the present invention
Steel electrode coating adhesive component is from material for waterglass, natural gum etc etc.；
8) plasticizer：Main function is the plasticity and slip for improving coating, makes it easy to be coated on core wire with machinery pressure；This
The component of invention SA335P11 main steam line steel electrode coating plasticizer may be from mica, white clay, titanium dioxide etc..
When welding rod coating recipe designs, the gas slag of coating is considered in effect that need to be according to coating in welding as a whole
The many factors such as Combined Protection effect and welding rod operability, table 7 are special with nuclear power SA335P11 main steam line steel of the present invention
The coating recipe design load that core wire for welding rod is used cooperatively.
Table 7, SA335P11 main steam line steel welding rod special for special coating recipe design loads
| Title | Carbonate | Fluoride | Silicate | Ferroalloy | Arc stabilizer | Binding agent | Other |
| Mass fraction (%) | 30-70 | 8-45 | 9-22 | 10-35 | 5-10 | 1-5 | 1-6 |
After tested, according to three kinds of SA335P11 main steam line steel welding rod special for special depositions of the above-mentioned design load production of the present invention
Metallochemistry composition and its mechanical property are as shown in table 8-9.
Table 8, each embodiment welding rod deposited metal composition test result/wt%
Table 9, each embodiment welding rod deposited metal mechanical experimental results
Compared with prior art, nuclear power SA335P11 main steam lines steel welding rod special for special deposited metal of the present invention chemistry into
Point with SA335P11 steel relatively, mechanical property is also superior to existing E5015 welding rods or suitable with existing E5015 welding rods,
Therefore it is significantly increased using the anti-FAC performances of the SA335P11 main steam line weld seams of its completion, it is ensured that nuclear power station owner steams
Quality of the vapour pipe welding seam during operation, the safe operation to nuclear power generating sets are significant.It can be seen that nuclear power master of the present invention
Jet chimney welding rod special for special is efficiently solved the problems, such as currently without the welding material to match with SA335P11 steel.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, the invention is not limited in embodiment disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In used some specific terms, but these terms are merely for convenience of description, do not form any restrictions to the present invention.
Claims (7)
- A kind of 1. nuclear power station main steam line Site Welding welding rod special for special, it is characterised in that：The welding rod deposited metal includes Following element, the content of these elements are respectively：C content≤0.12wt%, Si content 0.5-0.70wt%, Mn content 0.85- 1.00wt%, P content 0.018-0.020wt%, S content 0.014-0.020wt%, Ni content 0.07-0.20wt%, Cr content 1.20-1.50wt%, Mo content≤0.3wt%, Cu content 0.025-0.35wt%.
- 2. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterised in that：The welding rod Including cored wire and the coating being coated on cored wire, cored wire is the steel wire for including following chemical composition：C content≤0.07wt%, Si contains Amount≤0.65wt%, Mn content 0.85-1.00wt%, P content≤0.020wt%, S content≤0.020wt%, Ni content≤ 0.30wt%, Cr content≤1.30wt%, Cu content≤0.020wt%.
- 3. nuclear power station main steam line Site Welding welding rod special for special according to claim 2, it is characterised in that：The coating Formula include：Carbonate 30-70wt%, fluoride 8-45wt%, silicate 9-22wt%, ferroalloy 10-35wt%, stabilising arc Agent 5-10wt%, binding agent 1-5wt%.
- 4. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterised in that：The welding rod Deposited metal includes following element, and the content of these elements is respectively：C content 0.080wt%, Si content 0.50wt%, Mn Content 0.85wt%, P content 0.020wt%, S content 0.015wt%, Ni content 0.070wt%, Cr content 1.39wt%, Cu Content 0.036wt%, V content 0.008wt%, Al content 0.001wt%, Mo content are no more than 0.28wt%.
- 5. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterised in that：The welding rod Deposited metal includes following element, and the content of these elements is respectively：C content 0.067wt%, Si content 0.52wt%, Mn Content 0.90wt%, P content 0.018wt%, S content 0.016wt%, Ni content 0.011wt%, Cr content 1.25wt%, Cu Content 0.026wt%, V content 0.008wt%, Al content 0.001wt%, Mo content are no more than 0.30wt%.
- 6. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterised in that：The welding rod Deposited metal includes following element, and the content of these elements is respectively：C content 0.049wt%, Si content 0.50wt%, Mn Content 0.87wt%, P content 0.018wt%, S content 0.014wt%, Ni content 0.011wt%, Cr content 1.36wt%, Cu Content 0.025wt%, V content 0.008wt%, Al content 0.002wt%, Mo content are no more than 0.30wt%.
- 7. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterised in that：The welding rod Specification be Φ 2.0mm, Φ 3.2mm or Φ 4.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312541.2A CN105108373B (en) | 2015-06-09 | 2015-06-09 | Nuclear power station main steam line Site Welding welding rod special for special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312541.2A CN105108373B (en) | 2015-06-09 | 2015-06-09 | Nuclear power station main steam line Site Welding welding rod special for special |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105108373A CN105108373A (en) | 2015-12-02 |
| CN105108373B true CN105108373B (en) | 2017-12-29 |
Family
ID=54656597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312541.2A Active CN105108373B (en) | 2015-06-09 | 2015-06-09 | Nuclear power station main steam line Site Welding welding rod special for special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105108373B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109719418A (en) * | 2018-12-31 | 2019-05-07 | 苏州新普新材料科技有限公司 | Nuclear power 20 controls chromium steel special welding wire |
| CN109822255B (en) * | 2019-01-23 | 2021-04-02 | 中国船舶重工集团公司第七二五研究所 | High-cellulose welding rod and application |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062684A (en) * | 1990-12-29 | 1992-07-15 | 上海锅炉厂 | The welding rod and the welding procedure thereof of heat-resisting steel no-preheating welding usefulness |
| CN1337292A (en) * | 2000-08-16 | 2002-02-27 | 中国科学院金属研究所 | Welding wire for submerged-arc welding of low-carbon Cr-Mo steel |
| CN101342650A (en) * | 2008-08-21 | 2009-01-14 | 中国船舶重工集团公司第七二五研究所 | Normalization anneal treatment resistant heat-resistant steel wire solder and use method thereof |
| CN101407000A (en) * | 2008-11-18 | 2009-04-15 | 成都新大洋焊接材料有限责任公司 | Low-alloy heat-resistant steel submerged arc welding wire |
| CN102658442A (en) * | 2012-05-08 | 2012-09-12 | 上海电力修造总厂有限公司 | Low-alloy steel covered arc welding electrode with Cr control capacity and FAC resisting capacity of weld metal of basic slag system |
| CN103170763A (en) * | 2013-01-23 | 2013-06-26 | 中广核工程有限公司 | Welding rod special for nuclear power 20-control chrome steel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336989A (en) * | 2001-05-16 | 2002-11-26 | Sumikin Welding Ind Ltd | Welding material for seashore weather resistant steel |
-
2015
- 2015-06-09 CN CN201510312541.2A patent/CN105108373B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062684A (en) * | 1990-12-29 | 1992-07-15 | 上海锅炉厂 | The welding rod and the welding procedure thereof of heat-resisting steel no-preheating welding usefulness |
| CN1337292A (en) * | 2000-08-16 | 2002-02-27 | 中国科学院金属研究所 | Welding wire for submerged-arc welding of low-carbon Cr-Mo steel |
| CN101342650A (en) * | 2008-08-21 | 2009-01-14 | 中国船舶重工集团公司第七二五研究所 | Normalization anneal treatment resistant heat-resistant steel wire solder and use method thereof |
| CN101407000A (en) * | 2008-11-18 | 2009-04-15 | 成都新大洋焊接材料有限责任公司 | Low-alloy heat-resistant steel submerged arc welding wire |
| CN102658442A (en) * | 2012-05-08 | 2012-09-12 | 上海电力修造总厂有限公司 | Low-alloy steel covered arc welding electrode with Cr control capacity and FAC resisting capacity of weld metal of basic slag system |
| CN103170763A (en) * | 2013-01-23 | 2013-06-26 | 中广核工程有限公司 | Welding rod special for nuclear power 20-control chrome steel |
Non-Patent Citations (1)
| Title |
|---|
| 14Cr1MoR与SA335P11焊接工艺研究;尤波 等;《民营科技》;20120930(第9期);第78,70页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105108373A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103170763B (en) | Welding rod special for nuclear power 20-control chrome steel | |
| CN103706960B (en) | The heat treated stainless steel electrode of the ferritic stress-removal of a kind of control | |
| JP2008221292A (en) | Flux cored wire for welding duplex stainless steel | |
| CN107052617A (en) | A kind of 1000MPa grade high-strengths all positon ultralow-hydrogen low flux-cored wire and its welding method | |
| CN108723636A (en) | Welding wire medicinal powder, flux-cored wire and preparation and application with low-crackle sensitive | |
| CN106078004B (en) | A kind of low temperature spherical tank ultralow-hydrogen low high-tenacity welding electrodes | |
| CN108480875A (en) | A kind of welding wire medicinal powder, flux-cored wire and preparation and application | |
| CN107900556A (en) | A kind of austenitic stainless steel self-protection flux-cored wire | |
| CN105108373B (en) | Nuclear power station main steam line Site Welding welding rod special for special | |
| CN106238959B (en) | Low magnetic steel gas protection wire | |
| CN106392373B (en) | A kind of high intensity gas shielded solid welding wire of 1000MPa grades of engineering machinery | |
| CN107695560A (en) | 25Cr2Ni4MoV gas-shielded flux-cored wires and preparation method thereof | |
| CN103170762B (en) | Solder wire special for nuclear power 20-control chrome steel | |
| CN107081508A (en) | Thickness connects method in the double wire hidden arc welding of the 15 20mm ultrafast cold X70 steel of high-performance | |
| CN105506455A (en) | Forging steel molten steel used for producing valve body and valve cover for ore pulp delivery pipeline and smelting process thereof | |
| CN109868415B (en) | Smelting method of low-sulfur low-boron pipeline steel | |
| CN102330018A (en) | Seamless steel tube used for thick-wall petroleum casing collar material and production method thereof | |
| CN1746326A (en) | Needle ferrichrome-X70 pipeline steel with high crack-arresting toughenss and its production | |
| JP2014198344A (en) | Submerged arc welding method for high strength steel | |
| CN105506221A (en) | Calcium treatment method for pipeline steel | |
| CN107914097A (en) | High-strength steel gas shield welding flux-cored wire | |
| CN108213770B (en) | 650 ℃ ultra supercritical thermal power unit metal powder core type heat-resistant steel submerged arc welding wire and welding flux | |
| CN105108374B (en) | Nuclear power station main steam line automatic welding special welding wire | |
| CN104942466B (en) | A kind of self-shielded welding wire and preparation method thereof | |
| CN104308394B (en) | A kind of technique for applying of austenitic steel or dual phase steel solder flux |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |