CN105108373A - Special welding rod for on-site welding main steam pipe in nuclear power station - Google Patents
Special welding rod for on-site welding main steam pipe in nuclear power station Download PDFInfo
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- CN105108373A CN105108373A CN201510312541.2A CN201510312541A CN105108373A CN 105108373 A CN105108373 A CN 105108373A CN 201510312541 A CN201510312541 A CN 201510312541A CN 105108373 A CN105108373 A CN 105108373A
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Classifications
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- 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
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- 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 special welding rod for on-site welding a main steam pipe in a nuclear power station. The deposited metal comprises the following elements, by optimal contents, less than or equal to 0.12 wt% of C, less than or equal to 0.70 wt% of Si, less than or equal to 1.00 wt% of Mn, less than or equal to 0.020 wt% of P, less than or equal to 0.020 wt% of S, less than or equal to 0.20 wt% of Ni, 1.20 to 1.50 wt% of Cr, less than or equal to 0.65 wt% of Mo, and less than or equal to 0.35 wt% of Cu. Compared with the prior art, the chemical compositions of the deposited metal of the special welding rod for an on-site welding main steam pipe in a nuclear power station are similar to those of SA335P11 main steam pipe steel, the mechanical properties of the welding rod are better than or equal to a present E5015 welding rod, the anti-FAC performance of a weld joint of an SA335P11 main steam pipe welded by the welding rod is greatly raised, the quality of the weld joint of the main steam pipe in the nuclear power station can be ensured during operation, so the weld rod is significant for safety operation of a nuclear power unit.
Description
Technical field
The present invention relates to nuclear power station main steam line Site Welding special welding material, especially a kind of welding rod special for special that obviously can reduce FAC corrosion rate.
Background technology
In the secondary circuit main steam carrier pipe of nuclear island of nuclear power station, medium temperature is high, flow velocity is fast, flow large (being about 1.7 ~ 1.9 times of thermoelectricity); higher and " Flow accelerated corrosion (the FAC) " phenomenon caused of flowing velocity because of delivering vapor and water can be produced; namely carbon steel pipe inner surface is under a large amount of, swiftly flowing carbonated drink are washed away; inwall has the oxide layer deterioration, thinning of defencive function, makes the phenomenon that steel matrix is deteriorated, annual corrosion rate increases.May pipe explosion accident be caused when Flow accelerated corrosion phenomenon is serious, therefore need the vapour water erosion property improving carrier pipe.
According to existing research data, in carbon steel, the corrosion rate of FAC depends on the factors such as medium temperature, flow velocity, pH value, electrode potential, tubing alloying element, thermodynamics, and wherein tubing alloying element can solve by selecting steel grades.Show after deliberation, the corrosion rate of FAC obviously can be reduced add the Cr content of particular range in carbon steel after, " in relative reduction-steel Cr% relation " result of the test shows, as Cr content > 0.04% in carbon steel, FAC speed declines rapidly: the corrosion rate of pipe material Cr content≤0.04% time is higher, and corrosion rate is substantially suitable, is assumed to 1, along with the increase of Cr content, corrosion rate reduces gradually; When Cr content reaches 0.2%, the relative velocity of corrosion is 0.2; When Cr content reaches 1%, the relative velocity of corrosion is 0.045.SA335P11 main steam line is exactly the new steel grade had compared with high resistance FAC performance developed in this context, and its chemical composition and mechanical property are as shown in table 1, table 2.
Table 1, SA335P11 steel chemical composition table/wt%
Table 2, SA335P11 steel mechanical property table
The anti-FAC purposes of SA335P11 steel, require the Cr elemental composition also in the welding material deposited metal mated with it with certain content, to make the Cr also in weld metal with certain content, the weld metal part of such pipeline also has anti-FAC ability.Due to the welding material special also do not matched with SA335P11 steel at present, the close E5015 welding rod of chemical composition, mechanical property and SA335P11 steel therefore in Construction of Nuclear Electricity, can only be selected to carry out welding of SA335P11 steel.
E5015 welding rod is that its chemical composition, mechanical property are as shown in table 3 for welding rod that is common 20, the welding of 16Mn steel.As can be seen from Table 3, the chromium constituent content in E5015 welding rod deposited metal is few, can not meet the welding requirements of SA335P11 steel.
Table 3, E5015 welding rod chemical composition (wt%), mechanical property table
In view of this, the necessary welding rod special for special providing a kind of chemical composition and mechanical property to mate completely with SA335P11 steel.
Summary of the invention
The object of the invention is to: the welding rod special for special that a kind of chemical composition and mechanical property are mated completely with SA335P11 main steam line is provided, to ensure the demand of the engineering construction of nuclear power projects mass and follow-up operation maintenance.
In order to realize foregoing invention object, inventor is through concentrating on studies and testing, find that nuclear island main steam line Site Welding welding rod special for special deposited metal comprises following element, and best results when the content of these elements is respectively following value: C content≤0.12wt%, Si content≤0.70wt%, Mn content≤1.00wt%, P content≤0.020wt%, S content≤0.020wt%, Ni content≤0.20wt%, Cr content 1.20-1.50wt%, Mo content≤0.65wt%, Cu content≤0.35wt%.
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, described welding rod comprises heart yearn and is coated in the coating on heart yearn, and its heart yearn is the steel wire comprising 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%.。
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, and the formula of described coating comprises: carbonate 30-70wt%, fluoride 8-45wt%, silicate 9-22wt%, ferroalloy 10-35wt%, arc stabilizer 5-10wt%, binding agent 1-5wt%.
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, described welding rod deposited metal comprises 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%.
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, described welding rod deposited metal comprises 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%.
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, described welding rod deposited metal comprises 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%.
One as nuclear power main steam pipeline field welding welding rod special for special of the present invention is improved, and the specification of described 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 and SA335P11 main steam line are relatively, mechanical property is also better than existing E5015 welding rod or suitable with existing E5015 welding rod, therefore its anti-FAC performance completing SA335P11 main steam line weld seam is used to be significantly increased, ensure that the quality of nuclear power station main steam line weld seam in operation process, significant to the safe operation of nuclear power generating sets.Visible, nuclear power main steam pipeline welding rod special for special of the present invention efficiently solves the welding material problem do not matched with SA335P11 main steam line steel at present.
Detailed description of the invention
In order to make object of the present invention, technical scheme and Advantageous Effects thereof more clear, below in conjunction with detailed description of the invention, the present invention is further elaborated.Should be understood that, the detailed description of the invention described in this description is only used to explain the present invention, is not intended to limit the present invention.
In order to coordinate with SA335P11 main steam line steel, inventor is through many experiments, draw the design load of the chemical composition of nuclear power SA335P11 main steam line steel welding rod special for special deposited metal of the present invention, mechanical property, heart yearn chemical composition and coating recipe, as shown in table 4-7.
Table 4, SA335P11 main steam line steel welding rod special for special deposited metal composition design load/wt%
Table 5, SA335P11 main steam line steel welding rod special for special deposited metal mechanical property design load
Table 6, SA335P11 main steam line steel welding rod special for special heart yearn Design of Chemical Composition value/wt%
According to role in welding process, coating component can be divided into usually by effect:
1) arc stabilizer: Main Function improves the striking performance of welding rod and improves the stability of welding arc, all materials that gas ionization can be made to reduce, can improve the stability of electric arc, the general compound adopted containing alkali and alkaline earth metal ions, as the compound of potassium, sodium, calcium; SA335P11 main steam line steel electrode coating arc stabilizer of the present invention can from potash, sodium carbonate, niter, waterglass and marble or lime stone, granite, feldspar, titanium dioxide etc.;
2) slag former: Main Function to form the slag with certain physics, chemical property, produces good mechanical protection effect and Metallurgical processing effect; SA335P11 main steam line steel electrode coating slag former of the present invention can from ilmenite, bloodstone, rutile, feldspar, marble, granite, fluorite, magnesia, violent ore deposit, titanium dioxide etc.;
3) gas-forming agent: Main Function causes protective atmosphere, is also conducive to the droplet transfer simultaneously; The gas-forming agent constituent of SA335P11 main steam line steel electrode coating of the present invention can from carbonate mineral (as marble, magnesite, dolomite etc.) and organic matter (as wood powder, cellulose, starch etc.);
4) deoxidier: Main Function is to slag and weld metal deoxidation; SA335P11 main steam line steel coating deoxidier constituent of the present invention can from ferromanganese, ferrosilicon, ferro-aluminum, ferrotianium, graphite etc.;
5) alloying constituent: Main Function infiltrates necessary alloying component in weld metal, to compensate the alloying element of scaling loss or evaporation and to add the alloying element of property; The component of SA335P11 main steam line steel electrode coating alloying constituent of the present invention is mainly considered to use evanohm, manganese alloy;
6) diluent: Main Function is the viscosity reducing welding slag, increases the mobility of slag; The component of SA335P11 main steam line steel electrode coating diluent of the present invention can from fluorite, feldspar, ilmenite, titanium dioxide, rutile, manganese ore etc.;
7) bonding agent: Main Function is that the stock that made a noise by coating is bonded on core wire; SA335P11 main steam line steel electrode coating adhesive component of the present invention is from the material etc. for waterglass, natural gum and so on;
8) plasticizer: Main Function is plasticity and the slip of improving coating, makes it to be easy to mechanical extrusion on core wire; The component of SA335P11 main steam line steel electrode coating plasticizer of the present invention can from mica, white clay, titanium dioxide etc.
When welding rod coating recipe design; need according to the effect of coating when welding; consider the many factors such as gas slag Combined Protection effect and welding rod operability of coating as a whole, table 7 be with nuclear power SA335P11 main steam line steel welding rod special for special heart yearn of the present invention with the use of coating recipe design load.
Table 7, SA335P11 main steam line steel welding rod special for special coating recipe design load
| 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, the three kinds of SA335P11 main steam line steel welding rod special for special deposited metal compositions produced according to the above-mentioned design load of the present invention and mechanical property thereof are as shown in table 8-9.
Table 8, each embodiment welding rod deposited metal composition test result/wt%
| Embodiment | C | Si | Mn | P | S | Ni | Cr | Cu | V | Al | Mo |
| Φ2.0mm | 0.080 | 0.50 | 0.85 | 0.020 | 0.015 | 0.070 | 1.39 | 0.036 | 0.008 | 0.001 | Trace, and be no more than 0.28 |
[0046]
| Φ3.2mm | 0.067 | 0.52 | 0.90 | 0.018 | 0.016 | 0.011 | 1.25 | 0.026 | 0.008 | 0.001 | Trace, and be no more than 0.30 |
| Φ4.0mm | 0.049 | 0.50 | 0.87 | 0.018 | 0.014 | 0.011 | 1.36 | 0.025 | 0.008 | 0.002 | Trace, and be no more than 0.30 |
Table 9, each embodiment welding rod deposited metal mechanical experimental results
Compared with prior art, the chemical composition of nuclear power SA335P11 main steam line steel welding rod special for special deposited metal of the present invention and SA335P11 steel are relatively, mechanical property is also better than existing E5015 welding rod or suitable with existing E5015 welding rod, the anti-FAC performance of the SA335P11 main steam line weld seam therefore using it to complete is significantly increased, ensure that the quality of nuclear power station main steam line weld seam in operation process, significant to the safe operation of nuclear power generating sets.Visible, nuclear power main steam pipeline welding rod special for special of the present invention efficiently solves the welding material problem do not matched with SA335P11 steel at present.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (7)
1. a nuclear power station main steam line Site Welding welding rod special for special, it is characterized in that: described welding rod deposited metal comprises following element, and the content of these elements is respectively: C content≤0.12wt%, Si content≤0.70wt%, Mn content≤1.00wt%, P content≤0.020wt%, S content≤0.020wt%, Ni content≤0.20wt%, Cr content 1.20-1.50wt%, Mo content≤0.65wt%, Cu content≤0.35wt%.
2. nuclear power station main steam line Site Welding welding rod special for special according to claim 1, it is characterized in that: described welding rod comprises heart yearn and is coated in the coating on heart yearn, and heart yearn is the steel wire comprising 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%.
3. nuclear power station main steam line Site Welding welding rod special for special according to claim 2, is characterized in that: the formula of described coating comprises: carbonate 30-70wt%, fluoride 8-45wt%, silicate 9-22wt%, ferroalloy 10-35wt%, arc stabilizer 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 characterized in that: described welding rod deposited metal comprises 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 characterized in that: described welding rod deposited metal comprises 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 characterized in that: described welding rod deposited metal comprises 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, is characterized in that: the specification of described welding rod is Φ 2.0mm, Φ 3.2mm or Φ 4.0mm.
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| CN201510312541.2A CN105108373B (en) | 2015-06-09 | 2015-06-09 | Nuclear power station main steam line Site Welding welding rod special for special |
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Cited By (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 |
| CN109822255A (en) * | 2019-01-23 | 2019-05-31 | 洛阳双瑞特种合金材料有限公司 | A kind of rich fiber and application |
Citations (7)
| 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 |
| JP2002336989A (en) * | 2001-05-16 | 2002-11-26 | Sumikin Welding Ind Ltd | Welding material for seashore weather resistant 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 |
-
2015
- 2015-06-09 CN CN201510312541.2A patent/CN105108373B/en active Active
Patent Citations (7)
| 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 |
| JP2002336989A (en) * | 2001-05-16 | 2002-11-26 | Sumikin Welding Ind Ltd | Welding material for seashore weather resistant 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 (2)
| Title |
|---|
| 尤波 等: "14Cr1MoR与SA335P11焊接工艺研究", 《民营科技》 * |
| 王国凡等: "《钢结构焊接导论》", 31 January 2009, 哈尔滨工业大学出版社 * |
Cited By (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 |
| CN109822255A (en) * | 2019-01-23 | 2019-05-31 | 洛阳双瑞特种合金材料有限公司 | A kind of rich fiber and application |
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| Publication number | Publication date |
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| CN105108373B (en) | 2017-12-29 |
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