CN114083178A - Flux-cored material, spraying welding wire and manufacturing method of spraying welding wire - Google Patents
Flux-cored material, spraying welding wire and manufacturing method of spraying welding wire Download PDFInfo
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- CN114083178A CN114083178A CN202111440302.7A CN202111440302A CN114083178A CN 114083178 A CN114083178 A CN 114083178A CN 202111440302 A CN202111440302 A CN 202111440302A CN 114083178 A CN114083178 A CN 114083178A
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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
- B23K35/36—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
-
- 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
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The invention provides a flux-cored material, a spraying welding wire and a manufacturing method of the spraying welding wire, wherein the flux-cored material comprises the following raw materials in parts by weight: 2-5 parts of ilmenite, 30-40 parts of quartz, 25-35 parts of magnetite, 2-3 parts of wollastonite, 3-5 parts of magnesia, 9-12 parts of potassium feldspar and 18-22 parts of alumina. When the sprayed aluminum-based flux-cored wire prepared from the flux-cored material is sprayed on the surface of a base material, a deposited metal coating with high corrosion resistance, wear resistance and skid resistance is formed on the surface of the base material, so that the service life of the base material is prolonged, and the base material can bear deformation with high strength.
Description
Technical Field
The invention relates to the technical field of welding materials, in particular to a flux-cored material, a spraying welding wire and a manufacturing method of the spraying welding wire.
Background
The spray welding wire is a combined bottom layer material with excellent performance and plays an important role in wire flame spraying. It has the excellent performances of compact coating, high temperature resistance, thermal shock resistance, high temperature oxidation resistance and the like. However, the performance of the sprayed welding wire is closely related to the flux-cored material in the sprayed welding wire, and most of the sprayed welding wires are limited by the flux-cored material in the sprayed welding wire at present and cannot achieve good wear resistance, skid resistance and corrosion resistance. In addition, it is common to fill a flux core material in a steel strip to obtain a welding wire. But the friction coefficient and the corrosion resistance of the steel strip are poor due to the limitation of the properties of the steel strip. When the welding wire is used for spraying on the surface of a steel base material, the base material can be rusted in a short time, and the wear resistance is poor. Therefore, it is desirable to provide a flux-cored material, a spray-coated welding wire, and a method for manufacturing the spray-coated welding wire.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a flux-cored material to solve the problem that the sprayed welding wire in the prior art is poor in wear resistance, skid resistance and corrosion resistance.
In order to achieve the above purpose and other related purposes, the invention provides a drug core material, which comprises the following raw materials in parts by mass: 2-5 parts of ilmenite, 30-40 parts of quartz, 25-35 parts of magnetite, 2-3 parts of wollastonite, 3-5 parts of magnesia, 9-12 parts of potassium feldspar and 18-22 parts of alumina.
In one embodiment of the invention, the quartz is 37-40 parts.
In one embodiment of the invention, the wollastonite is 2 to 2.8 parts.
In one embodiment of the invention, the potassium feldspar accounts for 9-11 parts.
In one embodiment of the invention, the alumina is 18-21 parts.
In one embodiment of the invention, the ilmenite is in the range of 3 to 5 parts.
In one embodiment of the invention, the magnetite is 25-32 parts.
In one embodiment of the invention, the magnesite is 3-4.2 parts.
In one embodiment of the invention, the ilmenite has a particle size of 60-120 mesh.
In one embodiment of the invention, the quartz has a particle size of 60-120 mesh.
In one embodiment of the present invention, the magnetite has a particle size of 60 to 120 mesh.
In one embodiment of the invention, the particle size of the wollastonite is 60 to 120 meshes.
In one embodiment of the present invention, the magnesite has a particle size of 60 to 120 meshes.
In one embodiment of the invention, the particle size of the potassium feldspar is 60-120 meshes.
In one embodiment of the present invention, the particle size of the alumina is 60 to 120 mesh.
In an embodiment of the invention, the spray welding wire comprises a flux core and a flux coating, wherein the flux core is made of the flux core material.
In one embodiment of the invention, the coating is an aluminum tape and comprises the following components: 95.5 percent of aluminum, 4 percent of magnesium and 0.5 percent of iron.
In one embodiment of the present invention, the filling factor of the drug core material is 29% -30%.
In an embodiment of the present invention, there is further provided a manufacturing method of a sprayed welding wire, in which a flux core in the sprayed welding wire is made of the flux core material described in any one of the above, the manufacturing method of the sprayed welding wire includes the steps of:
s1, adding the drug core material into a powder mixing machine, uniformly stirring and fully stirring, and drying at a set temperature to obtain a drug core material dry powder mixture;
s2, rolling the aluminum strip into a U-shaped aluminum strip;
s3, filling the uniformly mixed dry powder mixture of the flux core material into the U-shaped aluminum strip;
and S4, closing the U-shaped aluminum strip containing the flux-cored material dry powder mixture, and drawing to the set diameter of the sprayed welding wire.
In an embodiment of the invention, in step S1, the drying temperature is 850-920 ℃, and the drying time is 10-12 h.
The flux-cored material of the invention has the following functions:
ilmenite: the product is crisp. The hardness is 5-6, the density is 4.4-5 g/cm & lt 3 & gt, and the density is increased along with the reduction of the MgO content or the increase of the FeO content in the components. Has weak magnetism. The aqueous solution has high solubility in hydrofluoric acid and is slowly dissolved in hot hydrochloric acid. Dissolving in phosphoric acid, cooling, diluting, adding sodium peroxide or hydrogen peroxide, and making the solution brown or orange yellow.
Quartz: contains 46.70% of silicon. Glass gloss. Hardness 7, density 2.65g/cm 3. Insoluble in any acid other than hydrofluoric acid. Are the mineral components of various rocks and deposits. Has the function of slagging, and slag generated during welding protects a molten pool.
Magnetite: the aggregate is strong in magnetism, the aggregate is often compact and blocky, color streaks are iron black, semimetal luster is achieved, the relative density is 4.9-5.2, the hardness is 5.5-6, cleavage is avoided, and gangue is mainly quartz and silicate. The reducibility is poor, and the content of harmful impurities, namely sulfur and phosphorus, is generally higher.
Wollastonite: has good insulating property, high whiteness, good dielectric property and high heat resistance and weather resistance. Completely dissolved in concentrated hydrochloric acid. Generally, the paint is acid-resistant, alkali-resistant and chemical-resistant. The hygroscopicity is less than 4%. Low oil absorption, low conductivity and good insulation.
Magnesia: the material has strong hydration capability, the density is 3.56-3.65 g/cm, the Mohs hardness is 5.5, the melting point is 2800 ℃, the material obviously volatilizes at 1800-2400 ℃, the size of grains can be correspondingly increased along with the increase of the calcining temperature and the extension of the heat preservation time, and the hydration resistance and the slag erosion resistance of the material are correspondingly enhanced.
Potassium feldspar: the density is 2.54-2.57g/cm3, the specific gravity is 2.56-2.59, the hardness is 6, and the alloy has the characteristics of low melting point (1150 +/-20 ℃), long melting interval time, high melt viscosity and the like.
Alumina: high hardness compounds, insoluble in water, having a melting point of 2054 ℃ and a boiling point of 2980 ℃, are commonly used for the manufacture of refractory materials.
In summary, the invention provides a flux-cored material, a spray welding wire and a manufacturing method of the spray welding wire. When the spraying welding wire is sprayed on the surface of a steel plate or a stainless steel plate, a coating with high corrosion resistance, wear resistance and skid resistance can be formed, so that the service life of a base material is prolonged. The anti-skid friction coefficient and the binding power of the coating after the welding wire is subjected to thermal spraying have better performances. The problem of spraying welding wire wearability, corrosion resistance and skid resistance relatively poor among the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a method for manufacturing a spray-coated welding wire according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for manufacturing a sprayed welding wire according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating a method for manufacturing a sprayed welding wire according to a second embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a method for manufacturing a spray-coated welding wire according to a third embodiment of the present invention;
fig. 5 is a schematic flow chart illustrating a manufacturing method of the spray welding wire according to a fourth embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The present invention may be embodied or applied in various other specific forms, and the terms "upper", "lower", "left", "right", "middle" and "a" used herein are for convenience of description only and are not intended to limit the scope of the present invention, and changes or modifications in relative relationship thereto are deemed to be within the scope of the present invention without substantial change in technical content.
It should be noted that the drawings provided in the present embodiment are only schematic and illustrate the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the form, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
The flux-cored material used by the invention can be sprayed on an aircraft carrier or a steel substrate, for example, sprayed on an aircraft carrier deck to form an anti-skid coating, is used for ensuring the safety of pedestrian traffic and the deck of the ship, and improves the corrosion resistance and the anti-skid performance of the deck. The coating can also be sprayed to all places with high requirements on skid resistance and corrosion resistance, such as slopes of automobiles or trucks, loading slopes of forklifts, landing ground surfaces of airplanes and the like, so as to form a skid-resistant coating.
It should be noted that the unpublished conditions in the examples of the present invention are the same except for the numerical values explicitly given.
The component materials of the present invention are selected from conventional raw materials in the art and can be obtained by general commercial means. Preferably, the particle size of ilmenite selected in all the following examples is 60-120 mesh, the particle size of quartz is 60-120 mesh, the particle size of magnetite is 60-120 mesh, the particle size of wollastonite is 60-120 mesh, the particle size of magnesite is 60-120 mesh, the particle size of potassium feldspar is 60-120 mesh, and the particle size of alumina is 60-120 mesh.
The medicine core material of the invention comprises: 2-5 parts of ilmenite, 30-40 parts of quartz, 25-35 parts of magnetite, 2-3 parts of wollastonite, 3-5 parts of magnesia, 9-12 parts of potassium feldspar and 18-22 parts of alumina.
The raw materials have different proportions, and different embodiments can be formed, and specific embodiments are shown as follows:
example 1
The flux core comprises the following components: 2 parts of ilmenite, 30 parts of quartz, 35 parts of magnetite, 3 parts of wollastonite, 5 parts of magnesia, 12 parts of potassium feldspar and 22 parts of alumina.
The method for manufacturing the flux-cored wire by adopting the flux-cored material comprises the following steps:
s11, adding the drug core material into a powder mixing machine, stirring uniformly and fully, and drying for 10 hours at 900 ℃ to obtain a drug core material dry powder mixture;
s12, rolling the aluminum strip into a U-shaped aluminum strip;
s13, filling the uniformly mixed dry powder mixture of the flux core materials into a U-shaped aluminum strip;
and S14, closing the U-shaped aluminum belt containing the dry powder mixture of the flux-cored materials to enable the dry powder mixture of the flux-cored materials to wrap the U-shaped aluminum belt, and drawing the U-shaped aluminum belt to the set diameter of the welding wire.
Wherein, the aluminum strip outer skin is longitudinally sheared as follows: the thickness of the aluminum strip is 0.6mm, the width of the aluminum strip is 15mm, and the aluminum strip is rolled into a U-shaped groove after being cleaned by cleaning liquid. And (4) adding the flux-cored material dry powder mixture obtained in the step S11 into a U-shaped groove, and then carrying out a series of operations such as closing, reducing, drawing, taking up and the like on the aluminum strip to obtain the welding wire. Wherein the filling factor of the flux core material dry powder mixture (weight of the flux core material dry powder mixture/total weight of the welding wire) in the welding wire is 29%.
The sprayed aluminum-based welding wire prepared by the embodiment is sprayed on the surface of a test board for testing, and the test shows that the friction coefficient of the surface of the test board is 0.8, and the binding power is 108kg/cm2. Therefore, it can be demonstrated that the test panel using the welding wire will have high wear resistance and high anti-slip properties.
Example 2
The aluminum-based flux-cored material comprises the following components: 5 parts of ilmenite, 40 parts of quartz, 25 parts of magnetite, 2 parts of wollastonite, 3 parts of magnesia, 9 parts of potassium feldspar and 18 parts of alumina.
The method for manufacturing the flux-cored wire by adopting the flux-cored material comprises the following steps:
s21, adding the drug core material into a powder mixing machine, stirring uniformly and fully, and drying for 11h at 850 ℃ to obtain a drug core material dry powder mixture;
s22, rolling the aluminum strip into a U-shaped aluminum strip;
s23, filling the uniformly mixed dry powder mixture of the flux core materials into a U-shaped aluminum strip;
and S24, closing the U-shaped aluminum belt containing the dry powder mixture of the flux-cored materials to enable the dry powder mixture of the flux-cored materials to wrap the U-shaped aluminum belt, and drawing the U-shaped aluminum belt to the set diameter of the welding wire.
Wherein, the aluminum strip outer skin is longitudinally sheared as follows: the thickness of the aluminum strip is 0.6mm, the width of the aluminum strip is 15mm, and then the aluminum strip is washed by cleaning liquid and rolled into a U-shaped groove. And (4) adding the flux-cored material dry powder mixture obtained in the step S21 into a U-shaped groove, and then carrying out a series of operations such as closing, reducing, drawing, taking up and the like on the aluminum strip to obtain the welding wire. Wherein the filling factor of the flux core material dry powder mixture (weight of the flux core material dry powder mixture/total weight of the welding wire) in the welding wire is 29.3%.
The sprayed aluminum-based welding wire prepared by the embodiment is sprayed on the surface of a test board for testing, and the test shows that the friction coefficient of the surface of the test board is 0.88, and the binding power is 101kg/cm2. Therefore, it can be demonstrated that the test panel using the welding wire will have high wear resistance and high anti-slip properties.
Example 3
The aluminum-based flux-cored material comprises the following components: 3 parts of ilmenite, 34 parts of quartz, 28 parts of magnetite, 2.3 parts of wollastonite, 3.4 parts of magnesia, 10 parts of potassium feldspar and 19.5 parts of alumina.
As shown in fig. 4, the method for manufacturing the flux-cored wire by using the flux-cored material comprises the following processes:
s31, adding the drug core material into a powder mixing machine, stirring uniformly and fully, and drying for 12 hours at 920 ℃ to obtain a drug core material dry powder mixture;
s32, rolling the aluminum strip into a U-shaped aluminum strip;
s33, filling the uniformly mixed dry powder mixture of the flux core materials into a U-shaped aluminum strip;
and S34, closing the U-shaped aluminum belt containing the dry powder mixture of the flux-cored materials to enable the dry powder mixture of the flux-cored materials to wrap the U-shaped aluminum belt, and drawing the U-shaped aluminum belt to the set diameter of the welding wire.
Wherein, the aluminum strip outer skin is longitudinally sheared as follows: the thickness of the aluminum strip is 0.6mm, the width of the aluminum strip is 15mm, and then the aluminum strip is washed by cleaning liquid and rolled into a U-shaped groove. And (4) adding the flux-cored material dry powder mixture obtained in the step S31 into a U-shaped groove, and then carrying out a series of operations such as closing, reducing, drawing, taking up and the like on the aluminum strip to obtain the welding wire. Wherein the filling factor of the flux core material dry powder mixture (weight of the flux core material dry powder mixture/total weight of the welding wire) in the welding wire is 29.6%.
The sprayed aluminum-based welding wire prepared by the embodiment is sprayed on the surface of a test board for testing, and the test shows that the friction coefficient of the surface of the test board is 0.95, and the binding power is 110kg/cm2. Therefore, it can be demonstrated that the test panel using the welding wire will have high wear resistance and high anti-slip properties.
Example 4
The flux core comprises the following components: 4 parts of ilmenite, 37 parts of quartz, 32 parts of magnetite, 2.8 parts of wollastonite, 4.2 parts of magnesia, 11 parts of potassium feldspar and 21 parts of alumina.
As shown in fig. 5, the method for manufacturing the flux-cored wire by using the flux-cored material comprises the following processes:
s41, adding the drug core material into a powder mixing machine, stirring uniformly and fully, and drying for 11.5 hours at 880 ℃ to obtain a drug core material dry powder mixture;
s42, rolling the aluminum strip into a U-shaped aluminum strip;
s43, filling the uniformly mixed dry powder mixture of the flux core materials into a U-shaped aluminum strip;
and S44, closing the U-shaped aluminum belt containing the dry powder mixture of the flux-cored materials to enable the dry powder mixture of the flux-cored materials to wrap the U-shaped aluminum belt, and drawing the U-shaped aluminum belt to the set diameter of the welding wire.
Wherein, the aluminum strip outer skin is longitudinally sheared as follows: the thickness of the aluminum strip is 0.6mm, the width of the aluminum strip is 15mm, and then the aluminum strip is washed by cleaning liquid and rolled into a U-shaped groove. And (4) adding the flux-cored material dry powder mixture obtained in the step S41 into a U-shaped groove, and then carrying out a series of operations such as closing, reducing, drawing, taking up and the like on the aluminum strip to obtain the welding wire. Wherein the filling factor of the flux core material dry powder mixture (weight of the flux core material dry powder mixture/total weight of the welding wire) in the welding wire is 30%.
The sprayed aluminum-based welding wire prepared by the embodiment is sprayed on the surface of a test board for testing, and the test shows that the friction coefficient of the surface of the test board is 1.0, and the binding power is 100kg/cm2. Therefore, it can be demonstrated that the test panel sprayed with the sprayed welding wire will have high wear resistance and high non-slip properties.
In conclusion, the components in the raw material formula of the anticorrosive and wear-resistant aluminum-based welding wire cooperate with each other, and the flux-cored material is filled into the aluminum strip to manufacture the spraying welding wire. The components in the aluminum strip and the flux core material are mutually influenced and interacted, so that a better corrosion-resistant, wear-resistant and skid-resistant deposited metal coating can be obtained. The spray coated welding wire of the present invention is a ceramic flux cored wire comprising aluminum and a ceramic oxide content of up to 45%. This is a novel manufacturing process that allows a high percentage of ceramic in an aluminum matrix. The purpose of this wire is to provide a wear resistant surface aluminum based coating that is thermally sprayed on steel and stainless steel to provide a corrosion resistant, wear resistant, and slip resistant coating that has a long life and maintains an average coefficient of friction of 0.9. Since the larger the number of grains in a certain volume, the more grains the deformation dispersion will be performed under the same amount of plastic deformation, the better the corrosion resistance and wear resistance of the deposited metal, and the higher strength deformation can be withstood. The anti-skid friction coefficient of the coating after the welding wire is thermally sprayed reaches 0.8 to 1.0, and the bonding force with the base material is 100-2The above. Therefore, the invention has high utilization value and use significance.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The flux core material is characterized by comprising the following raw materials in parts by mass: 2-5 parts of ilmenite, 30-40 parts of quartz, 25-35 parts of magnetite, 2-3 parts of wollastonite, 3-5 parts of magnesia, 9-12 parts of potassium feldspar and 18-22 parts of alumina.
2. The drug core material of claim 1 wherein the quartz is 37-40 parts.
3. The flux-cored material of claim 1, wherein the wollastonite is present in an amount of 2 to 2.8 parts.
4. The flux cored material of claim 3, wherein the potassium feldspar is 9-11 parts.
5. The flux-cored material of claim 3, wherein the alumina is 18-21 parts.
6. A spray coated welding wire comprising a sheath and a core, wherein the core is made from the core material of any of claims 1-5.
7. The spray welding wire of claim 6, wherein the flux coating is an aluminum strip consisting of: 95.5 percent of aluminum, 4 percent of magnesium and 0.5 percent of iron.
8. The spray welding wire of claim 6, wherein the fill factor of the flux-cored material is 29% to 30%.
9. A method for manufacturing a sprayed welding wire, wherein a flux core in the sprayed welding wire is made of the flux-cored material of any one of claims 1 to 5, and the method for manufacturing the sprayed welding wire comprises the following steps:
s1, adding the drug core material into a powder mixing machine, uniformly stirring and fully stirring, and drying at a set temperature to obtain a drug core material dry powder mixture;
s2, rolling the aluminum strip into a U-shaped aluminum strip;
s3, filling the uniformly mixed dry powder mixture of the flux core material into the U-shaped aluminum strip;
and S4, closing the U-shaped aluminum strip containing the flux-cored material dry powder mixture, and drawing to the set diameter of the sprayed welding wire.
10. The method for manufacturing a sprayed welding wire as claimed in claim 9, wherein in step S1, the drying temperature is 850 ℃ and 920 ℃, and the drying time is 10-12 h.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10291093A (en) * | 1997-04-17 | 1998-11-04 | Nippon Steel Corp | Flux-cored wire for welding stainless steel |
| RU2228828C2 (en) * | 2002-04-04 | 2004-05-20 | Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт конструкционных материалов "Прометей" | Ceramic flux for automatic welding of low alloy steels |
| CN101450426A (en) * | 2008-12-31 | 2009-06-10 | 宁波隆兴焊割科技股份有限公司 | Low-temperature steel flux-cored wire |
| CN106736020A (en) * | 2016-12-14 | 2017-05-31 | 安徽华众焊业有限公司 | Heat-resistant steel flux-cored wire |
| CN108015448A (en) * | 2017-11-17 | 2018-05-11 | 武汉铁锚焊接材料股份有限公司 | A kind of low dirt low-toxicity flux-cored wire and its application method |
| CN108723636A (en) * | 2018-04-26 | 2018-11-02 | 洛阳双瑞特种合金材料有限公司 | Welding wire medicinal powder, flux-cored wire and preparation and application with low-crackle sensitive |
-
2021
- 2021-11-30 CN CN202111440302.7A patent/CN114083178B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10291093A (en) * | 1997-04-17 | 1998-11-04 | Nippon Steel Corp | Flux-cored wire for welding stainless steel |
| RU2228828C2 (en) * | 2002-04-04 | 2004-05-20 | Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт конструкционных материалов "Прометей" | Ceramic flux for automatic welding of low alloy steels |
| CN101450426A (en) * | 2008-12-31 | 2009-06-10 | 宁波隆兴焊割科技股份有限公司 | Low-temperature steel flux-cored wire |
| CN106736020A (en) * | 2016-12-14 | 2017-05-31 | 安徽华众焊业有限公司 | Heat-resistant steel flux-cored wire |
| CN108015448A (en) * | 2017-11-17 | 2018-05-11 | 武汉铁锚焊接材料股份有限公司 | A kind of low dirt low-toxicity flux-cored wire and its application method |
| CN108723636A (en) * | 2018-04-26 | 2018-11-02 | 洛阳双瑞特种合金材料有限公司 | Welding wire medicinal powder, flux-cored wire and preparation and application with low-crackle sensitive |
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| CN114083178B (en) | 2023-04-07 |
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