CN107378297A - A kind of weather-resistant and high-strength steel electrode and preparation method thereof - Google Patents
A kind of weather-resistant and high-strength steel electrode and preparation method thereof Download PDFInfo
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- CN107378297A CN107378297A CN201710593353.0A CN201710593353A CN107378297A CN 107378297 A CN107378297 A CN 107378297A CN 201710593353 A CN201710593353 A CN 201710593353A CN 107378297 A CN107378297 A CN 107378297A
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- parts
- resistant
- strength steel
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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
-
- 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
Abstract
The invention belongs to welding rod technical field, more particularly to a kind of weather-resistant and high-strength steel electrode and preparation method thereof, the welding rod includes core wire and coating, the raw material of coating includes calcium carbonate, fluorite, potassium feldspar, titanium dioxide, yittrium oxide, 13 parts of nickel powder, the compositions such as ferro-boron, molybdenum powder, copper powder, bond to form coating by sodium KP1, using welding rod by equipment machine-shaping, then by high temperature drying obtain the present invention weather-resistant and high-strength steel electrode.This welding rod has good physical characteristic and processing characteristics, and the weld seam for welding out is attractive in appearance.Most of all, the welding rod has good weatherability, corrosion-resistant, resistance to elevated temperatures as high strength steel body can be brought for weld seam so that whole weldment property stable homogeneous.
Description
Technical field
The invention belongs to welding rod technical field, and in particular to a kind of weather-resistant and high-strength steel electrode and preparation method thereof.
Background technology
Fusing is filled in the bonding jumper of welding workpiece joint when welding rod is gas welding or electric welding, by core wire and coating two parts
Form, coating uniformly, centripetally extrusion on core wire outer layer.The material of welding rod is identical generally with the material of workpiece, according to difference
Situation, welding rod have different classification, and by the welding rod of performance classification, all it is to be manufactured special according to its Special use performance
Welding rod, such as ultralow hydrogen type electrode, low fume and toxic electrode, fire-cracker welding welding rod, prime coat welding rod, high efficiency fe powder covered electrode, moistureproof welding rod, underwater
Welding rod, gravity electrode etc..
High-strength steel has good structural strength, tensile property and bent as some Large Infrastructure Projects construction steel
Take intensity；But it is universal weaker in weatherability, it is necessary to steel construction outer layer brushing weather-resistant coating, to improve its weatherability
Energy.In total, steel member welding position turns into the most weak position of performance, and the property of welding material is to its performance
Influence maximum.The welding rod weatherability deficiency for being used for high-strength steel welding of in the market, it is impossible to ensure that the weatherability of position while welding can be with
Reach the performance standard of high strength steel.
The content of the invention
For problem above, it is an object of the invention to provide a kind of weather-resistant and high-strength steel electrode and preparation method thereof, welding rod
Weatherability there is large increase, can be used for high-strength steel welding, it is possible to increase the weather resistance of welding position.
A kind of weather-resistant and high-strength steel electrode, including core wire and coating, according to mass fraction, the material composition of coating is：Carbonic acid
Calcium 30-40 parts, fluorite 10-15 parts, potassium feldspar 2-3 parts, titanium dioxide 3-6 parts, rare earth oxide 2-4 parts, graphite 2-4 parts, ferrosilicon
3-4 parts, mid-carbon fe-mn 1-2 parts, nickel powder 1-3 parts, ferro-boron 1-2 parts, molybdenum powder 0.5-1 parts, copper powder 2-5 parts, cerium oxide additive 3-5
Part.
Preferably, the composition of coating is according to mass fraction：Calcium carbonate 30-35 parts, fluorite 10-12 parts, potassium feldspar 2-3
Part, titanium dioxide 4-6 parts, rare earth oxide 3-4 parts, graphite 2-3 parts, ferrosilicon 3-4 parts, mid-carbon fe-mn 1.5-2 parts, nickel powder 2-3 parts,
Ferro-boron 1-2 parts, molybdenum powder 0.5-1 parts, copper powder 3-4 parts, cerium oxide additive 3-4 parts.
It is further preferred that the composition of coating is according to mass fraction：33 parts of calcium carbonate, 11 parts of fluorite, 3 parts of potassium feldspar,
5 parts of titanium dioxide, 3 parts of rare earth oxide, 2 parts of graphite, 3.5 parts of ferrosilicon, 2 parts of mid-carbon fe-mn, 2.5 parts of nickel powder, 1.5 parts of ferro-boron, molybdenum
0.7 part of powder, 3 parts of copper powder, 4 parts of cerium oxide additive.
Preferably, core wire is H08E wire rods.
Preferably, the mass ratio of core wire and coating is 3:2.
Preferably, rare earth oxide is yittrium oxide.
Preferably, cerium oxide additive is the mixture of cerium oxide and potassium carbonate, and the mass ratio of the two is 30:1.
Preferably, the bonding agent of coating and core wire is that sodium potassium ratio is 3:1 sodium potassium mixing waterglass.
The preparation method of the weather-resistant and high-strength steel electrode comprises the following steps：
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent.Sodium potassium ratio is reused as 3:1 sodium
For potassium mixing waterglass as bonding agent, addition is the 20% of welding agent quality；Professional welding rod processing is put into after stirring to set
In standby, welding agent is uniformly attached on core wire by equipment, forms electrode coating, coating weight accounts for the 20% of welding rod quality, so
Bare terminal end and striking section are obtained by grinding.Welding rod is sent in welding rod drying equipment, through high temperature dry to obtain needed for it is weather-proof
High tensile steel electrode.
A kind of weather-resistant and high-strength steel electrode provided by the invention and preparation method thereof, compared with prior art, have following excellent
Point：
The present invention with the addition of the materials such as molybdenum, copper, nickel element and cerium oxide in welding agent raw material, improve the resistance to of welding rod weld seam
Performance is waited, makes the corrosion-resistant and resistance to elevated temperatures of weld seam consistent with high-strength steel so that the property of whole welding assembly is homogeneous, improves
Overall stability.
The welding rod can be dual-purpose with AC DC, is adapted to the different welding manners such as vertical position welding, overhead welding, different weldments are entered
During row all-position welding, performance can keep stable；Low-temperature impact toughness is good, the arc stability of welding, splashes small, takes off slag and holds
Easily, appearance of weld is attractive in appearance, and welding rod tensile strength is also fine.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Embodiment 1
According to mass fraction, following raw material is weighed：30 parts of calcium carbonate, 10 parts of fluorite, 2 parts of potassium feldspar, 3 parts of titanium dioxide, oxygen
Change 2 parts of yttrium, 2 parts of graphite, 3 parts of ferrosilicon, 1 part of mid-carbon fe-mn, 1 part of nickel powder, 1 part of ferro-boron, 0.5 part of molybdenum powder, 2 parts of copper powder, mass ratio
For 30:3 parts of 1 cerium oxide and the mixture of potassium carbonate.
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent.
Sodium potassium ratio is reused as 3:For 1 sodium potassium mixing waterglass as bonding agent, addition is the 20% of welding agent quality；Stir
Put into professional welding rod process equipment after mixing uniformly, welding agent is uniformly attached on H08E wire rod core wires by equipment, formed
Electrode coating, coating weight account for the 20% of welding rod quality, then obtain bare terminal end and striking section through grinding.
Welding rod is sent in welding rod drying equipment, dries to obtain required weather-resistant and high-strength steel electrode through high temperature.
Embodiment 2
According to mass fraction, following raw material is weighed：40 parts of calcium carbonate, 15 parts of fluorite, 3 parts of potassium feldspar, 6 parts of titanium dioxide, oxygen
Change 4 parts of yttrium, 4 parts of graphite, 4 parts of ferrosilicon, 1 part of mid-carbon fe-mn, 3 parts of nickel powder, 2 parts of ferro-boron, molybdenum powder 0.5-1 parts, 5 parts of copper powder, quality
Than for 30:5 parts of 1 cerium oxide and the mixture of potassium carbonate.
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent.
Sodium potassium ratio is reused as 3:For 1 sodium potassium mixing waterglass as bonding agent, addition is the 20% of welding agent quality；Stir
Put into professional welding rod process equipment after mixing uniformly, welding agent is uniformly attached on H08E wire rod core wires by equipment, formed
Electrode coating, coating weight account for the 20% of welding rod quality, then obtain bare terminal end and striking section through grinding.
Welding rod is sent in welding rod drying equipment, dries to obtain required weather-resistant and high-strength steel electrode through high temperature.
Embodiment 3
According to mass fraction, following raw material is weighed：25 parts of calcium carbonate, 13 parts of fluorite, 2.5 parts of potassium feldspar, 4 parts of titanium dioxide,
2.5 parts of yittrium oxide, 3 parts of graphite, 3.5 parts of ferrosilicon, 1 part of mid-carbon fe-mn, 2 parts of nickel powder, 2 parts of ferro-boron, 0.7 part of molybdenum powder, copper powder 2.5
Part, mass ratio 30:3.5 parts of 1 cerium oxide and the mixture of potassium carbonate.
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent.
Sodium potassium ratio is reused as 3:For 1 sodium potassium mixing waterglass as bonding agent, addition is the 20% of welding agent quality；Stir
Put into professional welding rod process equipment after mixing uniformly, welding agent is uniformly attached on H08E wire rod core wires by equipment, formed
Electrode coating, coating weight account for the 20% of welding rod quality, then obtain bare terminal end and striking section through grinding.
Welding rod is sent in welding rod drying equipment, dries to obtain required weather-resistant and high-strength steel electrode through high temperature.
Embodiment 4
According to mass fraction, following raw material is weighed：33 parts of calcium carbonate, 11 parts of fluorite, 3 parts of potassium feldspar, 5 parts of titanium dioxide, oxygen
3 parts of yttrium of change, 2 parts of graphite, 3.5 parts of ferrosilicon, 2 parts of mid-carbon fe-mn, 2.5 parts of nickel powder, 1.5 parts of ferro-boron, 0.7 part of molybdenum powder, 3 parts of copper powder,
Mass ratio is 30:1 cerium oxide and mixture 3-5 parts of potassium carbonate.
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent.
Sodium potassium ratio is reused as 3:For 1 sodium potassium mixing waterglass as bonding agent, addition is the 20% of welding agent quality；Stir
Put into professional welding rod process equipment after mixing uniformly, welding agent is uniformly attached on H08E wire rod core wires by equipment, formed
Electrode coating, coating weight account for the 20% of welding rod quality, then obtain bare terminal end and striking section through grinding.
Welding rod is sent in welding rod drying equipment, dries to obtain required weather-resistant and high-strength steel electrode through high temperature.
Performance test
According to country and the relevant criterion of industry, the decay resistance of mechanical property and deposited metal to welding rod is surveyed
Examination, obtains following result：
Table 1：The mechanical experimental results of the present embodiment welding rod
Table 2：The decay resistance of the present embodiment deposited metal
Learnt by data above, the welding rod of the present embodiment, its physical property can reach related mark to decay resistance
Standard, performance indications are very excellent.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. a kind of weather-resistant and high-strength steel electrode, including core wire and coating, it is characterised in that according to mass fraction, the raw material of coating into
It is divided into：Calcium carbonate 30-40 parts, fluorite 10-15 parts, potassium feldspar 2-3 parts, titanium dioxide 3-6 parts, rare earth oxide 2-4 parts, graphite 2-
4 parts, ferrosilicon 3-4 parts, mid-carbon fe-mn 1-2 parts, nickel powder 1-3 parts, ferro-boron 1-2 parts, molybdenum powder 0.5-1 parts, copper powder 2-5 parts, cerium oxide
Additive 3-5 parts.
2. a kind of weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that the composition of the coating is according to mass parts
Number is：Calcium carbonate 30-35 parts, fluorite 10-12 parts, potassium feldspar 2-3 parts, titanium dioxide 4-6 parts, rare earth oxide 3-4 parts, graphite 2-
3 parts, ferrosilicon 3-4 parts, mid-carbon fe-mn 1.5-2 parts, nickel powder 2-3 parts, ferro-boron 1-2 parts, molybdenum powder 0.5-1 parts, copper powder 3-4 parts, oxidation
Cerium additive 3-4 parts.
3. a kind of weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that the composition of the coating is according to mass parts
Number is：33 parts of calcium carbonate, 11 parts of fluorite, 3 parts of potassium feldspar, 5 parts of titanium dioxide, 3 parts of rare earth oxide, 2 parts of graphite, 3.5 parts of ferrosilicon,
2 parts of mid-carbon fe-mn, 2.5 parts of nickel powder, 1.5 parts of ferro-boron, 0.7 part of molybdenum powder, 3 parts of copper powder, 4 parts of cerium oxide additive.
A kind of 4. weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that：The core wire is H08E wire rods.
A kind of 5. weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that：The mass ratio of core wire and coating is 3:2.
A kind of 6. weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that：The rare earth oxide is yittrium oxide.
A kind of 7. weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that：The cerium oxide additive is cerium oxide
With the mixture of potassium carbonate, the mass ratio of the two is 30:1.
A kind of 8. weather-resistant and high-strength steel electrode according to claim 1, it is characterised in that：The bonding agent of the coating and core wire is
Sodium potassium ratio is 3:1 sodium potassium mixing waterglass.
A kind of 9. preparation method for preparing weather-resistant and high-strength steel electrode described in claim 1, it is characterised in that：Comprise the following steps：
Each coating raw material is weighed in the ratio, is well mixed, obtains the welding agent；Sodium potassium ratio is reused as 3:1 sodium potassium mixing water
For glass as bonding agent, addition is the 20% of welding agent quality；Put into professional welding rod process equipment, pass through after stirring
Welding agent is uniformly attached on core wire by equipment, forms electrode coating, coating weight accounts for the 20% of welding rod quality, then through being ground
To bare terminal end and striking section；Welding rod is sent in welding rod drying equipment, dries to obtain required weather-resistant and high-strength steel electrode through high temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593353.0A CN107378297A (en) | 2017-07-20 | 2017-07-20 | A kind of weather-resistant and high-strength steel electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710593353.0A CN107378297A (en) | 2017-07-20 | 2017-07-20 | A kind of weather-resistant and high-strength steel electrode and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107378297A true CN107378297A (en) | 2017-11-24 |
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| CN201710593353.0A Withdrawn CN107378297A (en) | 2017-07-20 | 2017-07-20 | A kind of weather-resistant and high-strength steel electrode and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931888A (en) * | 2017-11-27 | 2018-04-20 | 四川大西洋焊接材料股份有限公司 | Hydroelectric project high tensile steel electrode and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089200A (en) * | 1992-12-29 | 1994-07-13 | 陈保国 | Rare-earth type crack-resisting welding electrode without preheating for build-up welding |
| CN101817130A (en) * | 2010-04-06 | 2010-09-01 | 天津大桥焊材集团有限公司 | Fire and weather resistant steel welding rod at the level of 50 kilograms and preparation method thereof |
| CN102248329A (en) * | 2011-06-27 | 2011-11-23 | 天津市金桥焊材集团有限公司 | High-strength high-tenacity welding rod for E-grade cast steel repair welding |
| CN104551453A (en) * | 2014-12-09 | 2015-04-29 | 天津大桥龙兴焊接材料有限公司 | 80kg ultralow temperature high-strength steel welding electrode and preparation method thereof |
| CN106624455A (en) * | 2017-03-21 | 2017-05-10 | 天津大桥焊材集团有限公司 | Ultralow hydrogen high-strength steel welding rod used for welding 100 kg class water-electricity pressure steel pipe and preparing method thereof |
-
2017
- 2017-07-20 CN CN201710593353.0A patent/CN107378297A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089200A (en) * | 1992-12-29 | 1994-07-13 | 陈保国 | Rare-earth type crack-resisting welding electrode without preheating for build-up welding |
| CN101817130A (en) * | 2010-04-06 | 2010-09-01 | 天津大桥焊材集团有限公司 | Fire and weather resistant steel welding rod at the level of 50 kilograms and preparation method thereof |
| CN102248329A (en) * | 2011-06-27 | 2011-11-23 | 天津市金桥焊材集团有限公司 | High-strength high-tenacity welding rod for E-grade cast steel repair welding |
| CN104551453A (en) * | 2014-12-09 | 2015-04-29 | 天津大桥龙兴焊接材料有限公司 | 80kg ultralow temperature high-strength steel welding electrode and preparation method thereof |
| CN106624455A (en) * | 2017-03-21 | 2017-05-10 | 天津大桥焊材集团有限公司 | Ultralow hydrogen high-strength steel welding rod used for welding 100 kg class water-electricity pressure steel pipe and preparing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931888A (en) * | 2017-11-27 | 2018-04-20 | 四川大西洋焊接材料股份有限公司 | Hydroelectric project high tensile steel electrode and preparation method thereof |
| CN107931888B (en) * | 2017-11-27 | 2020-10-20 | 四川大西洋焊接材料股份有限公司 | High-strength steel welding rod for hydroelectric engineering and preparation method thereof |
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Application publication date: 20171124 |