CN106363284A - Material suitable for submerged arc welding, anatexis and single-side welding process - Google Patents
Material suitable for submerged arc welding, anatexis and single-side welding process Download PDFInfo
- Publication number
- CN106363284A CN106363284A CN201611104608.4A CN201611104608A CN106363284A CN 106363284 A CN106363284 A CN 106363284A CN 201611104608 A CN201611104608 A CN 201611104608A CN 106363284 A CN106363284 A CN 106363284A
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- Prior art keywords
- welding
- parts
- submerged
- arc welding
- arc
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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
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- 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
- B23K35/362—Selection of compositions of fluxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a material suitable for a submerged arc welding, anatexis and single-side welding process. The material comprises submerged-arc welding wires, a sintered flux and a backing welding agent, wherein the submerged-arc welding wires include one or more of H08A welding wires, H08MnA welding wires, H10Mn2 welding wires and H08Mn2E welding wires; the sintered flux comprises 25-35 parts of MgO, 2-6 parts of CaO, 5-10 parts of CaF2, 5-15 parts of Al2O3, 10-20 parts of SiO2, 15-25 parts of Fe, 1-5 parts of ZrO2, 10-20 parts of TiO2, 0-1 part of CeO, 0-0.5 part of Mo, 0-0.5 part of B2O3 and 0-3 parts of Mn; the backing welding agent comprises 85-95 parts of Fe, 0-3 parts of Mn, 0-1 part of Ti, 0-1 part of SiZr, 0-0.5 part of Ni, 0-0.5 part of Mo, 0-5 parts of SiO and 0-5 parts of MgO. The method disclosed by the invention can meet an arc welding, anatexis and single-side welding process of a thick plate, and has favorable welding process and physical properties.
Description
Technical field
The present invention relates to welding technology field.It is more particularly related to be applied to the deeply molten single-sided welding of submerged-arc welding
The material of technique.
Background technology
At present in large-scale steel structure heavy industry industry, raising efficiency, reduces cost is consistent Targets.Each big at home
Steel construction heavy industry industry, in big thick plates, opens big groove, mostly adopts multi-layer multi-pass welding.This kind of technique welds a side
Face welding efficiency is low, takes many, is mainly manifested in labor hour and welding passage.On the other hand because groove is big, wlding uses
Amount is big.And adopting the deeply molten single-sided welding technique of slab submerged-arc welding, conventional submerged arc welding material cannot meet the requirement of welding, its
Show as at 3 points:
1st, welding usability is not suitable with, and conventional submerged arc welding intelligently meets the welding of little heat input, when heat input reaches
To more than 100kj/cm it is difficult to obtain good surface forming.
2nd, welding performance cannot meet, and, through Large Heat Input Welding, welding performance is very poor for conventional submerged arc welding material
Cake, mainly becomes present weld seam low-temperature impact toughness low poor with weld seam tensile property.
3rd, welding deposition amount is difficult to meet, and conventional welding wire for submerged-arc welding diameter is maximum to be generally 5.0mm diameter it is difficult to meet so
The deposited metal filling of big groove.
Content of the invention
It is an object of the invention to solution at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide one kind reasonably selects and mates welding wire for submerged-arc welding, sintered flux and backing welding
Agent so as to get material disclosure satisfy that the deeply molten single-sided welding technique of slab arc-welding.
In order to realize according to object of the present invention and further advantage, there is provided one kind is applied to the deeply molten one side of submerged-arc welding
The material of welding procedure, including welding wire for submerged-arc welding, sintered flux and bottoming solder flux；
Wherein, described welding wire for submerged-arc welding is according in inclusion h08a welding wire, h08mna welding wire, h10mn2 welding wire, h08mn2e welding wire
One or more；
Described sintered flux includes the following raw material of part by weight: 25-35 part mgo, 2-6 part cao, 5-10 part caf2、
5-15 part al2o3, 10-20 part sio2, 15-25 part fe, 1-5 part zro2, 10-20 part tio2, 0-1 part ceo, 0-0.5 part mo, 0-
0.5 part of b2o3And 0-3 part mn；
Described bottoming solder flux includes the following raw material of part by weight: 85-95 part fe, 0-3 part mn, 0-1 part ti, 0-1 part
Sizr, 0-0.5 part ni, 0-0.5 part mo, 0-5 part sio and 0-5 part mgo.
Preferably, a diameter of 4.8-6.4mm of described welding wire for submerged-arc welding.
Preferably, the fineness of described bottoming solder flux is 80-200 mesh.
Preferably, in described bottoming solder flux, fe is the fe through atomization process production passivated process.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this
Invention research and practice and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to description
Word can be implemented according to this.
It should be noted that experimental technique described in following embodiments, if no special instructions, it is conventional method, institute
State reagent and material, if no special instructions, all commercially obtain.
" embodiment " or " embodiment " referred to herein refers to may be included at least one implementation of the present invention
Special characteristic, structure or characteristic." in one embodiment " that different places occur in this manual not refers both to same
Individual embodiment, is not single or optionally mutually exclusive with other embodiment embodiment.
The present invention provides a kind of material being applied to the deeply molten single-sided welding technique of submerged-arc welding, including welding wire for submerged-arc welding, sintering weldering
Agent and bottoming solder flux, welding wire for submerged-arc welding Main Function is to input heat as thermal source, and is filled primarily with weld metal effect；
Wherein, described welding wire for submerged-arc welding is according in inclusion h08a welding wire, h08mna welding wire, h10mn2 welding wire, h08mn2e welding wire
One or more；
Described sintered flux includes the following raw material of part by weight: 25-35 part mgo, 2-6 part cao, 5-10 part caf2,
5-15 part al2o3, 10-20 part sio2,15-25 part fe, 1-5 part zro2, 10-20 part tio2, 0-1 part ceo, 0-0.5 part mo, 0-
0.5 part of b2o3And 0-3 part mn；
Mgo: Main Function is slag making, can improve the basicity of solder flux, pure weld metal, improve weld metal toughness.mgo
Fusing point is higher, can support the fusing point improving slag in slag system.Should not add excessive, excessively lead to slag fusing point too high, occur
Back, the defect such as undercut.
Cao: Main Function is slag making, and slaggability is strong, can improve the basicity of solder flux, pure weld metal.Cao has
Hydrogen acts on, and appropriate addition can effectively reduce weld seam diffusible hydrogen content.Should not add excessive, cross and at most lead to slag partially thick, be difficult
The defects such as de- slag.
caf2: Main Function is dilution welding slag, increases the basicity of solder flux, reduces welding slag fusing point, can effectively remove weld seam and expand
Scattered hydrogen content.Should not add excessive, cross at most welding stabilising arc deformation poor.
al2o3: Main Function is slag making, increases the fusing point of weld seam, strengthens the processing performance of welding, makes weld seam become more light
Sliding, effectively remove pore.But unsuitable excessive, cross and at most lead to solder flux fusing point high, weld seam easily goes out back, and al2o3 addition is excessive,
Weld metal impact flexibility drastically declines..
tio2: Main Function is slag making, can increase welding wire melting rate, stablizes welding arc, reduces welding slag fusing point, strengthens
Welding technological properties, should not excessively add, tio2Belong to acidic oxide, add excessive weld metal toughness to decline.
sio2: Main Function is slag making, can improve the viscosity of welding slag, reduces the basicity of solder flux.Unsuitable excessive, cross and at most weld
Slag viscosity increases, easy venthole impression, and molding is deteriorated, sio2Belong to acidic oxide, add excessive weld metal toughness to decline.
Mo: Main Function is refinement weld metal crystal grain, promotes acicular ferrite to generate, increases the number of acicular ferrite
Amount, lifting weld metal toughness and intensity.
Ceo: Main Function is refinement weld metal crystal grain, is existed with inclusion morphology, when metallographic structure occurs to change,
Serve as equiax crystal, promote the growth of acicular ferrite.Lifting weld metal toughness.
b2o3: Main Function is protection alloy oxidation, under the welding condition of high temperature, the oxidized effect of protection alloy.
Described bottoming solder flux includes the following raw material of part by weight: 85-95 part fe, 0-3 part mn, 0-1 part ti, 0-1 part
Sizr, 0-0.5 part ni, 0-0.5 part mo, 0-5 part sio and 0-5 part mgo.
Fe: primarily serve the purpose of filling weld metal, be combined with molten bath after being melted by high arc temperature, increase deposition amount.This
Iron powder adopts Passivation Treatment atomized iron powder, not oxidizable, and iron powder oxygen content is extremely low.
Mn: primarily serve the purpose of coupling welding wire and steel plate alloying component, and refinement weld grain, lift weld metal toughness
And intensity.
Ti: primarily serve the purpose of deoxygenation, by the oxidation of ti, can effectively reduce weld seam oxygen content, lift welding seam toughness.
Sizr: primarily serve the purpose of deoxygenation, sizr alloy oxidation is extremely strong, can effectively reduce weld metal oxygen content, lifting
Welding seam toughness and intensity.
Ni: primarily serve the purpose of thinning microstructure crystal grain, in metallographic structure transition process, inhibiting grain growth, promote needle-like
Ferrite generates, and lifts welding seam toughness.
Mo: primarily serve the purpose of thinning microstructure crystal grain, in metallographic structure transition process, especially under the conditions of high heat-input,
Can effective inhibiting grain growth, promote acicular ferrite to generate, lifting welding seam toughness and intensity.
Sio2: Main Function is slag making, can improve the viscosity of welding slag, reduces the basicity of solder flux.Unsuitable excessive, cross and at most weld
Slag viscosity increases, easy venthole impression, and molding is deteriorated, and sio2 belongs to acidic oxide, adds excessive weld metal toughness to decline.
Wherein, a diameter of 4.8-6.4mm of described welding wire for submerged-arc welding.
Wherein, the fineness of described bottoming solder flux is 80-200 mesh.
Wherein, in described bottoming solder flux, fe is the fe through atomization process production passivated process.
With reference to specific embodiment, present invention is described
Embodiment one:
Thickness of slab: 30mm
Welding wire for submerged-arc welding: h08a welding wire
Described sintered flux includes the following raw material of part by weight: 25 parts of mgo, 2 parts of cao, 5 parts of caf2, 5 parts of al2o3、
10 parts of sio2,15 parts of fe, 1 part of zro2And 10 parts of tio2；
Described bottoming solder flux includes the following raw material of part by weight: 85-95 part fe.
Embodiment two:
Thickness of slab: 60mm
Welding wire for submerged-arc welding: h08mna welding wire
Described sintered flux includes the following raw material of part by weight: 35 parts of mgo, 6 parts of cao, 10 parts of caf2, 15 parts
al2o3, 20 parts of sio2,25 parts of fe, 5 parts of zro2, 20 parts of tio2, 1 part of ceo, 0.5 part of mo, 0.5 part of b2o3And 3 parts of mn；
Described bottoming solder flux includes the following raw material of part by weight: 95 parts of fe, 3 parts of mn, 1 part of ti, 1 part of sizr, 0.5 part
Ni, 0.5 part of mo, 5 parts of sio and 5 part of mgo.
Embodiment three
Thickness of slab: 90mm
Welding wire for submerged-arc welding: h10mn2 welding wire and h08mn2e welding wire
Described sintered flux includes the following raw material of part by weight: 30 parts of mgo, 4 parts of cao, 6 parts of caf2,11 parts of al2o3、
15 parts of sio2, 18 parts of fe, 3 parts of zro2, 13 parts of tio2, 0.1 part of ceo, 0.3 part of mo, 0.2 part of b2o3And 1 part of mn；
Described bottoming solder flux includes the following raw material of part by weight: 88 parts of fe, 2 parts of mn, 0.5 part of ti, 0.6 part of sizr,
0.4 part of ni, 0.3 part of mo, 4 parts of sio and 3 part of mgo.
Using q370qd material steel plate welded seam Metal Mechanic Property, result is as follows:
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Realize other modification, therefore under the general concept being limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the embodiment with description.
Claims (4)
1. a kind of material being applied to the deeply molten single-sided welding technique of submerged-arc welding is it is characterised in that include welding wire for submerged-arc welding, sintered flux
And bottoming solder flux；
Wherein, described welding wire for submerged-arc welding is according to one of inclusion h08a welding wire, h08mna welding wire, h10mn2 welding wire, h08mn2e welding wire
Or it is multiple；
Described sintered flux includes the following raw material of part by weight: 25-35 part mgo, 2-6 part cao, 5-10 part caf2, 5-15 part
al2o3, 10-20 part sio2, 15-25 part fe, 1-5 part zro2, 10-20 part tio2, 0-1 part ceo, 0-0.5 part mo, 0-0.5 part
b2o3And 0-3 part mn；
Described bottoming solder flux includes the following raw material of part by weight: 85-95 part fe, 0-3 part mn, 0-1 part ti, 0-1 part sizr,
0-0.5 part ni, 0-0.5 part mo, 0-5 part sio and 0-5 part mgo.
2. it is applied to the material of the deeply molten single-sided welding technique of submerged-arc welding as claimed in claim 1 it is characterised in that described submerged arc
A diameter of 4.8-6.4mm of welding wire.
3. it is applied to the material of the deeply molten single-sided welding technique of submerged-arc welding as claimed in claim 1 it is characterised in that described bottoming
The fineness of solder flux is 80-200 mesh.
4. it is applied to the material of the deeply molten single-sided welding technique of submerged-arc welding as claimed in claim 1 it is characterised in that described bottoming
In solder flux, fe is the fe through atomization process production passivated process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104608.4A CN106363284A (en) | 2016-12-06 | 2016-12-06 | Material suitable for submerged arc welding, anatexis and single-side welding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104608.4A CN106363284A (en) | 2016-12-06 | 2016-12-06 | Material suitable for submerged arc welding, anatexis and single-side welding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106363284A true CN106363284A (en) | 2017-02-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611104608.4A Pending CN106363284A (en) | 2016-12-06 | 2016-12-06 | Material suitable for submerged arc welding, anatexis and single-side welding process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293334A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | A kind of high alumina low titanium fluorine alkaline type sintered flux peculiar to vessel and preparation method thereof |
| CN110977249A (en) * | 2019-12-25 | 2020-04-10 | 四川大西洋焊接材料股份有限公司 | Welding nitrogen-controlled and nitrogen-uncontrolled ultralow-temperature austenitic stainless steel submerged-arc welding flux and preparation method thereof |
| CN113061769A (en) * | 2021-03-26 | 2021-07-02 | 鹰潭市林兴建材有限公司 | Refining method of low-purity aluminum alloy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293334A (en) * | 2019-06-28 | 2019-10-01 | 东北大学 | A kind of high alumina low titanium fluorine alkaline type sintered flux peculiar to vessel and preparation method thereof |
| CN110293334B (en) * | 2019-06-28 | 2021-06-29 | 东北大学 | Marine high-aluminum low-titanium fluorine-alkali type sintered flux and preparation method thereof |
| CN110977249A (en) * | 2019-12-25 | 2020-04-10 | 四川大西洋焊接材料股份有限公司 | Welding nitrogen-controlled and nitrogen-uncontrolled ultralow-temperature austenitic stainless steel submerged-arc welding flux and preparation method thereof |
| CN110977249B (en) * | 2019-12-25 | 2022-04-05 | 四川大西洋焊接材料股份有限公司 | Welding nitrogen-controlled or nitrogen-uncontrolled ultralow-temperature austenitic stainless steel submerged-arc welding flux and preparation method thereof |
| CN113061769A (en) * | 2021-03-26 | 2021-07-02 | 鹰潭市林兴建材有限公司 | Refining method of low-purity aluminum alloy |
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