CN106514055A - Ship steel submerged-arc horizontal welding flux and preparation method thereof - Google Patents
Ship steel submerged-arc horizontal welding flux and preparation method thereof Download PDFInfo
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- CN106514055A CN106514055A CN201611247678.5A CN201611247678A CN106514055A CN 106514055 A CN106514055 A CN 106514055A CN 201611247678 A CN201611247678 A CN 201611247678A CN 106514055 A CN106514055 A CN 106514055A
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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
- B23K35/3602—Carbonates, basic oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
Abstract
The invention discloses a ship steel submerged-arc horizontal welding flux and a preparation method thereof. The ship steel submerged-arc horizontal welding flux comprises the following components by weight percent: 20-35% of magnesia, 5-20% of wollastonite, 15-30% of aluminium oxide, 10-20% of fluorite, 1-10% of marble, 1-10% of rutile, 1-10% of manganese ore and 1-10% of ferrosilicon. The ship steel submerged-arc horizontal welding flux has the characteristics of high production efficiency, low comprehensive cost, good welding quality and the like, solves the problems in submerged-arc horizontal welding, has favorable welding processing property and mechanical property, and is attractive in weld forming, easy in deslagging and very suitable for submerged-arc horizontal welding.
Description
Technical field
The invention belongs to technical field of welding materials, more particularly, to a kind of hull steel submerged-arc horizontal solder flux and its preparation side
Method.
Background technology
With developing rapidly for China's heavy industry, Lincoln weld is easy to operate because of which, using simple, without advantages such as arc lights
It is widely used in industrial production, can increasingly becomes the mainstay of heavy industry.In order to ensure the welding quality of submerged-arc welding,
Production efficiency, improves the working condition at scene, and following welding researcher will automate and furtherd investigate to intellectuality,
Also the all-position welding of submerged-arc welding can be developed.Submerged-arc welding horizontal position welding is very extensive in the application of shipbuilding and building industry.Have one
A little larger workpiece are not suitable for being overturn, fell, and are then welded, can only select to use horizontal position welding.Patent
CN103737192A (application numbers：201410004199.5；Date of publication 2014.04.23) disclose one kind bury for metal containment
The solder flux of arc horizontal position welding, preparation method and welding method, its percentage by weight shared by each constituent is：SiO2：6-18%；
MgO：22-40%；Al2O3:12-28%；CaO：15-30%；MnO：0.5-4%；Na2O：0.5-2%；K2O：0.2-2%；0 ＜
TiO2≤ 3%；0 ＜ Fe2O3≤ 3.0%；0 ＜ S≤0.030%；0 ＜ P≤0.030%.Additionally, patent CN104816106A (Shen
Please number：201510266769.2；Date of publication：2015.08.05 a kind of special submerged arc flux of pressure-bearing storage tank, its each group) are disclosed
Into parts by weight shared by composition it is：Oxide 38-61 parts, fluoride 13-17 parts, rutile 12-17 parts, manganese mineral powder 7-11 part,
Metal manganese alloy 5-10 parts, Antaciron 5-8 parts, ferro-molybdenum 1-5 parts, ferro-titanium 0.5-2 parts, ferro-boron 0.1-0.5
Part.But both horizontal position welding solder flux are all, for special material, have the special flux of specific use, expensive, use range
It is narrow, also do not have a kind of relatively wide applicability, processing performance and mechanical property to be well combined and lower-cost bury in the market
Arc horizontal position welding solder flux.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of hull steel submerged-arc horizontal solder flux, is suitable for
When submerged-arc horizontal, weldering, skull has good holding effect to molten bath, and the postwelding removability of slag is good, and with high efficiency, high-quality is high de-
The features such as slag, appearance of weld, are attractive in appearance, and with excellent processing performance and mechanical property, low production cost, can improve weld seam
Shaping, reduces weld defect.
To reach above-mentioned purpose, the technical solution of the present invention is：
A kind of hull steel submerged-arc horizontal solder flux, including the constituent of following percentage by weight：
Magnesia：20～35%；
Wollastonite：5～20%；
Aluminum oxide：15～30%；
Fluorite：10～20%；
Marble：1～10%；
Rutile：1～10%；
Manganese ore：1～10%；
Ferrosilicon：1～10%.
Preferably, including the constituent of following percentage by weight, magnesia：28%；Wollastonite 15%；Aluminum oxide：25%；
Fluorite：13%；Marble：6%；Rutile：5%；Manganese ore：5%；Ferrosilicon：3%.
Preferably, including the constituent of following percentage by weight, magnesia：30%；Wollastonite 13%；Aluminum oxide：22%；
Fluorite：15%；Marble：4%；Rutile：9%；Manganese ore：3%；Ferrosilicon：4%.
Preferably, including the constituent of following percentage by weight, magnesia：32%；Wollastonite 11%；Aluminum oxide：21%；
Fluorite：17%；Marble：6%；Rutile：6%；Manganese ore：4%；Ferrosilicon：3%.
Preferably, CaF in the fluorite2Content >=95%；
Preferably, content of MgO >=98% in the magnesia；
Preferably, SiO in the wollastonite2Content is 41～45%, and CaO content is 45～52%；
Preferably, A1 in the aluminum oxide2O3Content >=85%；
Preferably, CaCO in the marble3Content >=95%；
Preferably, MnO content >=65% in the manganese ore.
In the present invention, magnesia is the main component of solder flux, and its effect is slag making, adjusts the basicity of solder flux and improves solder flux
Fusing point.The main component of magnesia is MgO, and MgO is basic anhydride, it is possible to increase the basicity of slag, improves the low temperature punching in molten bath
Toughness is hit, diffusible hydrogen is reduced.But as MgO fusing points are higher, the fusing point of slag can be increased, improve the viscosity of slag, suppress molten
The mobility of slag, when addition is more than 35%, slag setting rate is fast, oppresses appearance of weld, and the removability of slag is bad, affect weld seam into
Type is attractive in appearance.To ensure Weld Performance, in the present invention, the content of magnesia is 20%～35%.
Aluminum oxide：Main component is Al2O3。Al2O3It is amphoteric oxide, with higher fusing point, slag can be adjusted and glued
Degree, the effect with increase slag surface tension force.Drawn by substantial amounts of test, as the addition of aluminum oxide gradually increases,
The welding technological properties of solder flux is gradually improved, and the weld seam removability of slag improves, and electric arc tends towards stability.But too high Al2O3Content meeting
Make weld seam radian more acute and unsmooth, be also easy to produce pore and pit.In flux composition, aluminum oxide plays balance basicity and improvement
The effect of welding technological properties, addition is between 15%-30%.
Wollastonite is also the main constituents of solder flux of the present invention, mainly as slag former, belongs to stable oxide, with
Magnesia etc. is combined into eutectic, forms welding slag.When content is less, electric arc is unstable, is also easy to produce the phenomenon of current interruption；Content compared with
Gao Shi, deposited metal increase Si, while the viscosity of slag is excessive, mobility is poor.Additionally, SiO2With reduction slag surface tension force
Effect, be conducive to improving the removability of slag can and appearance of weld act on.Therefore in the present invention, wollastonite content is 5～20%.
Fluorite：Main component is TiO2.Appropriate fluorite can reduce the surface tension of liquid metal, improve its flowing
Property so that appearance of weld is attractive in appearance, reduces weld porosity sensitiveness, and can reduce the diffusible hydrogen content of deposited metal.Fluorite contains
When amount is less than 10% so that appearance of weld is bad, easy venthole in weld seam；When fluorite content is more than 20%, arc stability is made
Property be deteriorated, therefore control fluorite in solder flux content be 10%～20%.
Manganese ore：Main component is MnO, adjusts measuring containing Mn in deposited metal, reduces the fusing point of slag, improve the stream of slag
Dynamic property is conducive to the shaping of weld seam, is conducive to improving the toughness of deposited metal.When but content is more than 10%, due to its reduction
Effect so that the oxygen content of deposited metal increases, toughness however reduce.Therefore in the present invention, manganese ore content is 1～10%.
Rutile：Main component is TiO2..In solder flux, addition is not required to too much, but rutile is played in flux constituent
Indispensable effect, it can strengthen the mobile performance of slag and solder flux, and can reduce the fusing point of solder flux and slag, with
Obtain the weld seam that appearance of weld is attractive in appearance and processing performance is good.Therefore in the present invention, the content of rutile is 1～10%.
Marble：Main component is CaCO3.With stronger desulfurization, dephosphorizing capacity.Marble is discharged in welding process
CO2, the hydrogen dividing potential drop of welding atmosphere on the one hand can be reduced, is conducive to eliminating the weld defect caused because of hydrogen, on the other hand, can
To increase the stirring dynamics of liquid state molten pool, be conducive to slag floating all weld pool surfaces that metallurgical reaction is produced.But marble content
During increase, it is unfavorable for the formability of weld seam, makes appearance of weld ripple thicker, while the removability of slag also declines therewith.Therefore in the present invention,
Marmorean content is 1～10%.
Ferrosilicon：Main Function is deoxidation, prevents deposited metal from producing pore, while element silicon, silicon can be added in weld seam
Element can guarantee that the intensity of weld seam, but content can not be too high, and the too high weld strength that is easily caused is too high, impact toughness decreased.Therefore this
In invention, the content of ferrosilicon is 1～10%.
The above-mentioned preparation method for burying hull steel submerged-arc horizontal solder flux, including step：To weigh up by weight percentage first
Powder is dry-mixed in dry-mixed device, it is dry-mixed it is uniform after be put into wet-mixing device, add the waterglass of dispensing gross weight 24% to carry out wet-mixing, it is wet
Wet-milling is sent into granulation disc by conveyer belt after mixing uniformly to be granulated, is bakeed 0.5～1.5 hour at 250 DEG C～300 DEG C,
Solder flux is sieved after removing moisture removal, by the solder flux after screening at a temperature of 750 DEG C～800 DEG C high temperature sintering 0.5～1.5 hour,
10 mesh～50 mesh sieve are crossed after along with the furnace cooling, sintered flux is got product.
Preferably, described rutile first passes through the high-temperature process of 600-800 DEG C of 1 hour in advance.
Preferably, using potassium-sodium water glass as binding agent.
The positive effect of the present invention：
Invention hull steel submerged-arc horizontal solder flux, welding arc stablility, the solder flux postwelding removability of slag are good, and appearance of weld is attractive in appearance,
With excellent welding technological properties and mechanical property, production efficiency is high, and integrated cost is low, and welding quality is good, solves submerged arc
A difficult problem for horizontal position welding.
Specific embodiment
For a further understanding of the present invention, below by embodiment, the invention will be further described.
Embodiment 1
A kind of hull steel submerged-arc horizontal solder flux and preparation method thereof, weight shared by each constituent of its solder flux and each component
Percentage is：Magnesia：28%；Wollastonite 15%；Aluminum oxide：28%；Fluorite：14%；Marble：6%；Rutile：1%；Manganese
Ore deposit：5%；Ferrosilicon：3%.Its preparation method be it is first that the powder for weighing up by weight percentage is dry-mixed in dry-mixed device, it is dry-mixed
Wet-mixing device is put into after even, is added the waterglass of dispensing gross weight 24% to carry out wet-mixing, wet-milling is passed through into conveyer belt after wet-mixing is uniform
Send into granulation disc to be granulated, bakee 0.5 hour at 250 DEG C～300 DEG C, solder flux sieves after removing moisture removal, after sieving
Solder flux at a temperature of 750 DEG C～800 DEG C high temperature sintering 1.5 hours, after along with the furnace cooling cross 10 mesh to 50 mesh sieve, get product
Sintered flux.
Embodiment 2
A kind of hull steel submerged-arc horizontal solder flux and preparation method thereof, weight shared by each constituent of its solder flux and each component
Percentage is：Magnesia：35%；Wollastonite 5%；Aluminum oxide：28%；Fluorite：10%；Marble：10%；Rutile：10%；Manganese
Ore deposit：1%；Ferrosilicon：1%.Its preparation method be it is first that the powder for weighing up by weight percentage is dry-mixed in dry-mixed device, it is dry-mixed
Wet-mixing device is put into after even, is added the waterglass of dispensing gross weight 24% to carry out wet-mixing, wet-milling is passed through into conveyer belt after wet-mixing is uniform
Send into granulation disc to be granulated, bakee 1 hour at 250 DEG C～300 DEG C, solder flux sieves after removing moisture removal, after screening
Solder flux high temperature sintering 1 hour at a temperature of 750 DEG C～800 DEG C, crosses 10 mesh to 50 mesh sieve, gets product sintering after along with the furnace cooling
Solder flux.
Embodiment 3
A kind of hull steel submerged-arc horizontal solder flux and preparation method thereof, weight shared by each constituent of its solder flux and each component
Percentage is：Magnesia：20%；Wollastonite 20%；Aluminum oxide：15%；Fluorite：20%；Marble：4%；Rutile：1%；Manganese
Ore deposit：10%；Ferrosilicon：10%.Its preparation method be it is first that the powder for weighing up by weight percentage is dry-mixed in dry-mixed device, it is dry-mixed
Wet-mixing device is put into after uniform, adds the waterglass of dispensing gross weight 24% to carry out wet-mixing, by wet-milling by transmission after wet-mixing is uniform
Band is sent into granulation disc and is granulated, and bakees 1.5 hours, solder flux sieves after removing moisture removal at 250 DEG C～300 DEG C, will screening
High temperature sintering 0.5 hour at a temperature of 750 DEG C～800 DEG C of solder flux afterwards, crosses 10 mesh to 50 mesh sieve, obtains final product into after along with the furnace cooling
Product sintered flux.
Use above solder flux coordinates GB H08Mn2SiA welding wire for submerged-arc welding to be welded, and correspondence deposited metal mechanical property sees below
Table：
, mechanical property is verified by above-mentioned result of the test：
Above-mentioned soldering test is entered under conditions of speed of welding 300-350mm/min in electric current 350-450A, voltage 28-32V
OK, arc stability, appearance of weld are attractive in appearance, take off slag and are very easy to, and the defect such as no undercut, mechanical property result meet GB GB/T
Regulation in 12470-2003, welding quality are good, are especially suitable for submerged-arc welding horizontal position welding.
The present invention is not limited to above-mentioned preferred forms, anyone the present invention enlightenment under draw other it is any with
The same or analogous product of the present invention, is within the scope of the present invention.
Claims (10)
1. a kind of hull steel submerged-arc horizontal solder flux, including the constituent of following percentage by weight：
Magnesia：20～35%；
Wollastonite：5～20%；
Aluminum oxide：15～30%；
Fluorite：10～20%；
Marble：1～10%；
Rutile：1～10%；
Manganese ore：1～10%；
Ferrosilicon：1～10%.
2. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：CaF in the fluorite2Content >=95%.
3. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：Content of MgO >=98% in the magnesia.
4. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：SiO in the wollastonite2Content is 41
～45%, CaO content is 45～52%.
5. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：A1 in the aluminum oxide2O3Content >=
85%.
6. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：CaCO in the marble3Content >=
95%.
7. hull steel submerged-arc horizontal solder flux as claimed in claim 1, it is characterised in that：MnO content >=65% in the manganese ore.
8. the arbitrary described preparation method for burying hull steel submerged-arc horizontal solder flux of claim 1-7, it is characterised in that：Including step
Suddenly：It is first that the powder for weighing up by weight percentage is dry-mixed in dry-mixed device, it is dry-mixed it is uniform after be put into wet-mixing device, add dispensing total
The waterglass of weight 24% carries out wet-mixing, wet-milling is sent into granulation disc by conveyer belt after wet-mixing is uniform and is granulated, at 250 DEG C
Bakee 0.5～1.5 hour at～300 DEG C, solder flux sieves after removing moisture removal, the solder flux after screening is warm at 750 DEG C～800 DEG C
The lower high temperature sintering of degree 0.5～1.5 hour, crosses 10 mesh～50 mesh sieve, gets product sintered flux after along with the furnace cooling.
9. hull steel submerged-arc horizontal solder flux as claimed in claim 8, it is characterised in that：Described rutile first passes through 600- in advance
The high-temperature process of 800 DEG C of 1 hours.
10. hull steel submerged-arc horizontal solder flux as claimed in claim 8, it is characterised in that：Using potassium-sodium water glass as bonding
Agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611247678.5A CN106514055A (en) | 2016-12-29 | 2016-12-29 | Ship steel submerged-arc horizontal welding flux and preparation method thereof |
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| CN201611247678.5A CN106514055A (en) | 2016-12-29 | 2016-12-29 | Ship steel submerged-arc horizontal welding flux and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107309576A (en) * | 2017-06-29 | 2017-11-03 | 上海沪临重工有限公司 | Steel plate double-submerged arc heat cure pad solder flux peculiar to vessel and preparation method thereof |
| CN107350665A (en) * | 2017-08-09 | 2017-11-17 | 安徽红桥金属制造有限公司 | A kind of high efficiency solder flux and preparation method thereof |
| CN107685202A (en) * | 2017-10-10 | 2018-02-13 | 河南科技大学 | A kind of neutral sintered flux used for submerged arc welding and preparation method thereof |
| CN108581270A (en) * | 2018-03-16 | 2018-09-28 | 洛阳双瑞特种合金材料有限公司 | A kind of LPG ships welding sintered flux and the preparation method and application thereof |
| CN108581271A (en) * | 2018-03-30 | 2018-09-28 | 锦州公略焊接技术有限公司 | Ocean engineering high performance sintered solder flux and its production technology |
| CN109396613A (en) * | 2018-11-16 | 2019-03-01 | 昆山中冶宝钢焊接材料有限公司 | A kind of submerged arc welding flux and its welding procedure for double wire welding |
| CN110102933A (en) * | 2019-04-19 | 2019-08-09 | 洛阳双瑞特种合金材料有限公司 | A kind of 9Ni steel welding fysed flux and preparation method thereof |
| CN112404801A (en) * | 2020-11-23 | 2021-02-26 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acidic sintered flux and preparation method thereof |
| CN112958947A (en) * | 2021-02-08 | 2021-06-15 | 天津市金桥焊材集团股份有限公司 | Sintered flux for improving heat strength of 50 kg-grade fine-grained steel weld joint |
| CN116690027A (en) * | 2023-08-08 | 2023-09-05 | 苏州思萃熔接技术研究所有限公司 | Submerged arc welding flux for welding 304 austenitic stainless steel and preparation method thereof |
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| CN106238965A (en) * | 2016-08-30 | 2016-12-21 | 洛阳双瑞特种合金材料有限公司 | A kind of 9Ni steel welding sintered flux and preparation method thereof |
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Cited By (14)
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|---|---|---|---|---|
| CN107309576A (en) * | 2017-06-29 | 2017-11-03 | 上海沪临重工有限公司 | Steel plate double-submerged arc heat cure pad solder flux peculiar to vessel and preparation method thereof |
| CN107350665A (en) * | 2017-08-09 | 2017-11-17 | 安徽红桥金属制造有限公司 | A kind of high efficiency solder flux and preparation method thereof |
| CN107685202A (en) * | 2017-10-10 | 2018-02-13 | 河南科技大学 | A kind of neutral sintered flux used for submerged arc welding and preparation method thereof |
| CN108581270B (en) * | 2018-03-16 | 2020-12-04 | 洛阳双瑞特种合金材料有限公司 | Sintered flux for welding LPG ship and preparation method and application thereof |
| CN108581270A (en) * | 2018-03-16 | 2018-09-28 | 洛阳双瑞特种合金材料有限公司 | A kind of LPG ships welding sintered flux and the preparation method and application thereof |
| CN108581271A (en) * | 2018-03-30 | 2018-09-28 | 锦州公略焊接技术有限公司 | Ocean engineering high performance sintered solder flux and its production technology |
| CN109396613A (en) * | 2018-11-16 | 2019-03-01 | 昆山中冶宝钢焊接材料有限公司 | A kind of submerged arc welding flux and its welding procedure for double wire welding |
| CN110102933A (en) * | 2019-04-19 | 2019-08-09 | 洛阳双瑞特种合金材料有限公司 | A kind of 9Ni steel welding fysed flux and preparation method thereof |
| CN110102933B (en) * | 2019-04-19 | 2021-01-26 | 洛阳双瑞特种合金材料有限公司 | Smelting flux for welding 9Ni steel and preparation method thereof |
| CN112404801A (en) * | 2020-11-23 | 2021-02-26 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acidic sintered flux and preparation method thereof |
| CN112404801B (en) * | 2020-11-23 | 2022-07-22 | 济南市金材焊接材料有限公司 | Aluminum-titanium type acid sintered flux and preparation method thereof |
| CN112958947A (en) * | 2021-02-08 | 2021-06-15 | 天津市金桥焊材集团股份有限公司 | Sintered flux for improving heat strength of 50 kg-grade fine-grained steel weld joint |
| CN112958947B (en) * | 2021-02-08 | 2023-02-21 | 天津市金桥焊材集团股份有限公司 | Sintered flux for improving heat strength of 50 kg-grade fine-grained steel weld joint |
| CN116690027A (en) * | 2023-08-08 | 2023-09-05 | 苏州思萃熔接技术研究所有限公司 | Submerged arc welding flux for welding 304 austenitic stainless steel and preparation method thereof |
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Application publication date: 20170322 |