CN108080814A - A kind of weathering steel welding rod and preparation method thereof - Google Patents
A kind of weathering steel welding rod and preparation method thereof Download PDFInfo
- Publication number
- CN108080814A CN108080814A CN201711400267.XA CN201711400267A CN108080814A CN 108080814 A CN108080814 A CN 108080814A CN 201711400267 A CN201711400267 A CN 201711400267A CN 108080814 A CN108080814 A CN 108080814A
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- welding rod
- weathering steel
- steel welding
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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
- B23K35/36—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
- B23K35/24—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
- B23K35/306—Fe as the principal constituent with C as next major constituent, e.g. cast iron
-
- 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
-
- 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
- B23K35/404—Coated rods; Coated electrodes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of weathering steel welding rods and preparation method thereof, change weathering steel to be made with welding rod by core wire and coated on the coating on core wire, the core wire is H08A, the coating is blended by solid constituent and liquid components, liquid components are modified sodium silicate binding agent, solid constituent is according to mass parts meter, including 20~30 parts of marble, 30~40 parts of fluorite, 3~8 parts of ice crystal, 3~5 parts of titanium dioxide, 2~5 parts of quartz, 2~5 parts of rutile, 2~5 parts of ferrosilicon of atomization, 2~5 parts of ferrotitanium, 2~5 parts of chromium powder, 1~3 part of nickel powder, 1~3 part of copper powder；The present invention can ensure that welding arc is steady on the basis of deposited metal diffusible hydrogen content is reduced.
Description
Technical field
The invention belongs to technical field of welding materials, are specifically related to a kind of weathering steel welding rod and preparation method thereof.
Background technology
Weathering steel is mainly used for the long-term steel construction exposed to the atmosphere used such as pylon, photovoltaic, high speed engineering；Compared with
Straight carbon steel, the weatherability of weathering steel are 2~8 times of straight carbon steel, and coating is 1.5~10 times of straight carbon steel；Weathering steel welding rod
Also paid attention to extensively with the development of such steel, common weathering steel welding rod, such as：The weather-proof steel electrode of Cu-Cr-Ni systems；
At present, this weather-proof steel electrode mainly reduces deposited metal diffusible hydrogen content by fluoride, composite fluoride, reduces delay and splits
The generation of seam, but since fluoride can excessively influence the stability of welding arc, deposited metal diffusible hydrogen content can not obtain
It is reduced to further.
The content of the invention
In view of this, it is an object of the invention to provide a kind of weathering steel welding rod, imitated by the small size of nano material
The performance of waterglass should be improved, so as to improve whole mechanical property；On the other hand, modified sodium silicate binding agent can be put down
It weighs due to the fluoride excessively influence to welding arc stability, thus on the basis of deposited metal diffusible hydrogen content is reduced,
Ensure that welding arc is steady.
In order to achieve the above object, a kind of weathering steel welding rod of the present invention, by core wire and coated on the coating system on core wire
Into the core wire is H08A, and the coating is blended by solid constituent and liquid components, and liquid components are modified sodium silicate
Binding agent, solid constituent is according to mass parts meter, including 20~30 parts of marble, 30~40 parts of fluorite, 3~8 parts of ice crystal, titanium white
3~5 parts of powder, 2~5 parts of quartz, 2~5 parts of rutile, 2~5 parts of ferrosilicon of atomization, 2~5 parts of ferrotitanium, 2~5 parts of chromium powder, nickel powder 1~
3 parts, 1~3 part of copper powder.
Further, the addition quality of the liquid components is the 10~15% of solid constituent quality.
Further, the modified sodium silicate binding agent is dissolved in by sodium silicate, nano mica, dispersant is blended.
Further, the nano mica and dispersant gross mass is sodium silicate quality 2~3%, nano mica is with dividing
Powder quality proportioning is 0.5:1.
Further, the modulus of the sodium silicate is 3, Baume degrees 40.
Further, the solid constituent is according to mass parts meter, including 20 parts of marble, 30 parts of fluorite, 3 parts of ice crystal, titanium
3 parts of white powder, 2 parts of quartz, 2 parts of rutile, 2 parts of ferrosilicon of atomization, 2 parts of ferrotitanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
Further, the solid constituent is according to mass parts meter, including 30 parts of marble, 40 parts of fluorite, 5 parts of ice crystal, titanium
3 parts of white powder, 3 parts of quartz, 3 parts of rutile, 3 parts of ferrosilicon of atomization, 3 parts of ferrotitanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
Further, solid constituent is according to mass parts meter, including 25 parts of marble, 35 parts of fluorite, 8 parts of ice crystal, titanium dioxide 5
Part, 5 parts of quartz, 5 parts of rutile, 5 parts of ferrosilicon of atomization, 5 parts of ferrotitanium, 5 parts of chromium powder, 3 parts of nickel powder, 3 parts of copper powder.
Further, the element components ratio contained by the core wire is as follows：C：Si：Mn：S：P：Fe=6：0.04：0.46：0.01：
0.016：93.
It is a further object to provide a kind of preparation methods of weathering steel welding rod, comprise the following steps：It will be solid
Solid constituent is made after mixing in proportion in each raw material of body component, and modified sodium silicate binding agent is added in solid constituent,
After being stirred for uniformly, its extrusion is prepared by weathering steel welding rod on core wire by conventional welding rod production equipment.
The beneficial effects of the present invention are：
1. a kind of weathering steel welding rod of the present invention can improve whole mechanical property, contain reducing deposited metal diffusible hydrogen
On the basis of amount, ensure that welding arc is steady；Nano mica is dissolved in sodium silicate, by the small-size effect of nano material come
The performance of waterglass is improved, small-size effect refers to the reduction with grain size, and the Surface binding energy of nano-particle increases rapidly, together
When, dispersant improves the dispersiveness of nano material, so as to improve the internal structure of waterglass.
2. a kind of weathering steel of the present invention adds the quality of fluorite with welding rod, fluorite belongs to fluoride, molten so as to reduce
Metallisation diffusible hydrogen content, since modified sodium silicate binding agent can be balanced since fluoride is excessively to welding arc stability
Influence, ensure welding arc it is steady.
Specific embodiment
Below in conjunction with embodiment, the present invention is described in detail.
A kind of weathering steel welding rod of the present invention, is made by core wire and coated on the coating on core wire, and the core wire is H08A,
The coating is blended by solid constituent and liquid components, and liquid components are modified sodium silicate binding agent, and solid constituent is pressed
According to mass parts meter, including 20~30 parts of marble, 30~40 parts of fluorite, 3~8 parts of ice crystal, 3~5 parts of titanium dioxide, quartz 2~5
Part, 2~5 parts of rutile, 2~5 parts of ferrosilicon of atomization, 2~5 parts of ferrotitanium, 2~5 parts of chromium powder, 1~3 part of nickel powder, 1~3 part of copper powder.
The addition quality of the liquid components is the 10~15% of solid constituent quality.
The modified sodium silicate binding agent is dissolved in by sodium silicate, nano mica, dispersant to be blended.
The nano mica is the 2~3% of sodium silicate quality with dispersant gross mass, nano mica and dispersant quality
It matches as 0.5:1.
The modulus of the modified sodium silicate binding agent is 3, Baume degrees 40.
A kind of preparation method of weathering steel welding rod, comprises the following steps：Each raw material of solid constituent is mixed in proportion
Solid constituent is made after uniformly, adds in modified sodium silicate binding agent in solid constituent, after being stirred for uniformly, passes through conventional welding rod
Its extrusion is prepared weathering steel welding rod by production equipment on core wire.
Below by several embodiments, the present invention is described in detail：
Embodiment 1：
A kind of weathering steel welding rod, including being made by core wire and coated on the coating on core wire.
Core wire is H08A, and the quality of element is as follows according to percentage contained by core wire：C：6%th, Si：0.04%th, Mn：
0.46%th, S：0.01%th, P：0.016%, remaining is Fe.
Coating is blended by solid constituent and liquid components, and the addition quality of liquid components is solid constituent quality
10%；Liquid components are modified sodium silicate binding agent, and modified sodium silicate binding agent is by sodium silicate, nano mica, scattered
Agent, which is dissolved in, to be blended, and nano mica is the 2% of sodium silicate quality with dispersant gross mass, nano mica and dispersant quality
It matches as 0.5:1；Solid constituent according to mass parts meter, including 20 parts of marble, 30 parts of fluorite, 3 parts of ice crystal, 3 parts of titanium dioxide,
2 parts of quartz, 2 parts of rutile, 2 parts of ferrosilicon of atomization, 2 parts of ferrotitanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
By nano mica and dispersant, uniform stirring in the sodium silicate that modulus is 3, Baume degrees is 40, is prepared in proportion
Modified sodium silicate binding agent.
Solid constituent is made after each raw material of solid constituent is mixed in proportion, sodium silicate is added in solid constituent
After being stirred for uniformly, weathering steel welding rod is prepared by conventional welding rod production equipment by modified binder on core wire for its extrusion.
Embodiment 2：
A kind of weathering steel welding rod, including being made by core wire and coated on the coating on core wire.
Core wire is same as the previously described embodiments.
Coating is blended by solid constituent and liquid components, and the addition quality of liquid components is solid constituent quality
10%；Liquid components are sodium silicate, and sodium silicate dissolves in modification by nano mica, dispersant, and nano mica is total with dispersant
Quality is the 2% of sodium silicate quality, and nano mica is 0.5 with dispersant quality proportioning:1；Solid constituent according to mass parts meter,
Including 30 parts of marble, 40 parts of fluorite, 5 parts of ice crystal, 3 parts of titanium dioxide, 3 parts of quartz, 3 parts of rutile, 3 parts of ferrosilicon of atomization, iron
3 parts of titanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
Preparing for modified sodium silicate binding agent is same as the previously described embodiments.
The preparation method of weathering steel welding rod is same as the previously described embodiments described in embodiment 2.
Embodiment 3：
A kind of weathering steel welding rod, including being made by core wire and coated on the coating on core wire.
Core wire is same as the previously described embodiments.
Coating is blended by solid constituent and liquid components, and the addition quality of liquid components is solid constituent quality
15%；Liquid components are sodium silicate, and sodium silicate dissolves in modification by nano mica, dispersant, and nano mica is total with dispersant
Quality is the 3% of sodium silicate quality, and nano mica is 1 with dispersant quality proportioning:1；Solid constituent is according to mass parts meter, bag
Include 25 parts of marble, 35 parts of fluorite, 8 parts of ice crystal, 5 parts of titanium dioxide, 5 parts of quartz, 5 parts of rutile, 5 parts of ferrosilicon of atomization, ferrotitanium 5
Part, 5 parts of chromium powder, 3 parts of nickel powder, 3 parts of copper powder.
Preparing for modified sodium silicate binding agent is same as the previously described embodiments.
The preparation method of weathering steel welding rod is same as the previously described embodiments described in embodiment 3.
Although the formula of various embodiments above coating difference, it turns out that, the welding arc of each embodiment is steady,
De- slag is easy, it is small to splash, and has good welding technological properties.
As shown in table 1, the mechanical property of gained deposited metal when each embodiment is welded：
1 deposited metal mechanical property of table
As shown in table 2, the diffusible hydrogen content testing result (mercury displacementmethod) of gained deposited metal when each embodiment is welded：
2 deposited metal diffusible hydrogen content of table
| Deposited metal diffusible hydrogen content (mL/100g) | |
| Embodiment 1 | 4.65 |
| Embodiment 2 | 4.35 |
| Embodiment 3 | 4.70 |
The preferred embodiment of the present invention 2, by the data result of Tables 1 and 2, the present invention has good welding procedure
Performance is conducive to improve the mechanical property of weld seam, and the deposited metal diffusible hydrogen content of present invention welding gained is less.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. a kind of weathering steel welding rod is made by core wire and coated on the coating on core wire, the core wire is H08A, and feature exists
In：The coating is blended by solid constituent and liquid components, liquid components be modified sodium silicate binding agent, solid constituent
According to mass parts meter, including 20~30 parts of marble, 30~40 parts of fluorite, 3~8 parts of ice crystal, 3~5 parts of titanium dioxide, quartz 2
~5 parts, 2~5 parts of rutile, atomization 2~5 parts of ferrosilicon, 2~5 parts of ferrotitanium, 2~5 parts of chromium powder, 1~3 part of nickel powder, copper powder 1~3
Part.
2. a kind of weathering steel welding rod as described in claim 1, it is characterised in that：The addition quality of the liquid components is solid
The 10~15% of the addition quality of body component.
3. a kind of weathering steel welding rod as described in claim 1, it is characterised in that：The modified sodium silicate binding agent is by sodium
Waterglass, nano mica, dispersant, which dissolve in, to be blended.
4. a kind of weathering steel welding rod as claimed in claim 3, it is characterised in that：The nano mica, dispersant, sodium water glass
Glass quality proportioning is 0.5:1:(50-75).
5. a kind of weathering steel welding rod as claimed in claim 3, it is characterised in that：The modulus of the sodium silicate is 3, Baume
It spends for 40.
6. such as a kind of weathering steel welding rod of Claims 1 to 5 any one of them, it is characterised in that：The solid constituent according to
Mass parts meter, including 20 parts of marble, 30 parts of fluorite, 3 parts of ice crystal, 3 parts of titanium dioxide, 2 parts of quartz, 2 parts of rutile, atomization silicon
2 parts of iron, 2 parts of ferrotitanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
7. such as a kind of weathering steel welding rod of Claims 1 to 5 any one of them, it is characterised in that：The solid constituent according to
Mass parts meter, including 30 parts of marble, 40 parts of fluorite, 5 parts of ice crystal, 3 parts of titanium dioxide, 3 parts of quartz, 3 parts of rutile, atomization silicon
3 parts of iron, 3 parts of ferrotitanium, 2 parts of chromium powder, 1 part of nickel powder, 1 part of copper powder.
8. such as a kind of weathering steel welding rod of Claims 1 to 5 any one of them, it is characterised in that：Solid constituent is according to quality
Part meter, including 25 parts of marble, 35 parts of fluorite, 8 parts of ice crystal, 5 parts of titanium dioxide, 5 parts of quartz, 5 parts of rutile, atomization ferrosilicon 5
Part, 5 parts of ferrotitanium, 5 parts of chromium powder, 3 parts of nickel powder, 3 parts of copper powder.
9. such as a kind of weathering steel welding rod of Claims 1 to 5 any one of them, it is characterised in that：Member contained by the core wire
Plain component ratio is as follows：
C：Si ：Mn ：S ：P：Fe=6：0.04：0.46：0.01：0.016：93.
10. a kind of preparation method of weathering steel welding rod, it is characterised in that：Comprise the following steps：By powdered marble 20
~30 parts, 30~40 parts powdered of fluorite, 3~8 parts powdered of ice crystal, 3~5 parts of titanium dioxide, powdered quartz 2~
5 parts, 2~5 parts powdered of rutile, powdered 2~5 parts of ferrosilicon of atomization, 2~5 parts powdered of ferrotitanium, chromium powder 2~5
Powdered solid constituent is made in part, 1~3 part of nickel powder, 1~3 part of copper powder after mixing, is added in powdered solid constituent
Modified sodium silicate binding agent, be stirred for uniformly after, by conventional welding rod production equipment by its extrusion on core wire, that is, be made one
Kind weathering steel welding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711400267.XA CN108080814A (en) | 2017-12-22 | 2017-12-22 | A kind of weathering steel welding rod and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711400267.XA CN108080814A (en) | 2017-12-22 | 2017-12-22 | A kind of weathering steel welding rod and preparation method thereof |
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| CN108080814A true CN108080814A (en) | 2018-05-29 |
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| CN201711400267.XA Pending CN108080814A (en) | 2017-12-22 | 2017-12-22 | A kind of weathering steel welding rod and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643250A (en) * | 2020-12-09 | 2021-04-13 | 武汉铁锚焊接材料股份有限公司 | Welding rod for 55 kg-grade weathering steel and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643250A (en) * | 2020-12-09 | 2021-04-13 | 武汉铁锚焊接材料股份有限公司 | Welding rod for 55 kg-grade weathering steel and application thereof |
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