CN102601544A - High-alkalinity high-tenacity low-hydrogen agglomerated flux and preparation method thereof - Google Patents
High-alkalinity high-tenacity low-hydrogen agglomerated flux and preparation method thereof Download PDFInfo
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- CN102601544A CN102601544A CN2012100762523A CN201210076252A CN102601544A CN 102601544 A CN102601544 A CN 102601544A CN 2012100762523 A CN2012100762523 A CN 2012100762523A CN 201210076252 A CN201210076252 A CN 201210076252A CN 102601544 A CN102601544 A CN 102601544A
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Abstract
The invention discloses a high-alkalinity high-tenacity low-hydrogen agglomerated flux, which comprises the following components by weight: 18-21.5% of MgO, 33-35% of CaF2, 15-20% of Al2O3, 17-21% of SiO2, 3.5-8% of CaO, 1-5% of MnO, 2-5% of BaCO3, and less than or equal to 3% of FeO, wherein the total weight of the components is 100%. The invention further discloses a preparation method of the high-alkalinity high-tenacity low-hydrogen agglomerated flux, which comprises the steps of: mixing the raw materials and performing dry agitation, adding sodium silicate that accounts for 20wt% of the mixed powder, performing wet agitation, sending the materials to a pelletizer to pelletize, entering into a drying furnace after being dried by hot wind, drying at 180-230 DEG C, screening after discharge and then entering into a sintering furnace, sintering in the sintering furnace at 830-860 DEG C and discharging, and finally, screening and cooling to obtain the high-alkalinity high-tenacity low-hydrogen agglomerated flux. The flux provided by the invention solves the problems that a current flux is poor in toughness of weld metal and high in diffusible hydrogen content in deposited metal.
Description
Technical field
The invention belongs to technical field of welding materials, relate to a kind of high basicity high tenacity low hydrogen type sintered flux that is mainly used in ocean oil transportation, gas transmission slab pipe line steel multiplewire submerged arc welding, the invention still further relates to the preparation method of this solder flux.
Background technology
Solder flux is the material that Lincoln weld is used, and is divided into two big types of fysed flux and sintered fluxes.Sintered flux have can produce continuously, pollution-free, basicity is high, adapt to the welding of higher-strength steel; And can obtain advantages such as higher plasticity and toughness, be widely used in welding such as bridge, pressure vessel, metal structure, shipbuilding, vehicle and oil natural gas conveyance conduit and make.The sintered flux of the low high silicon of basicity, high manganese slag system obtain the good process performance easily, but weld metal impact flexibility is not high.The sintered flux of high basicity slag system obtains the high tenacity weld seam easily, has very big technical difficulty but will obtain good welding technological properties.Common solder flux deposited metal diffusible hydrogen content is high, and weld metal is easy to generate crackle.The basicity that improves solder flux is to improve the key of deposited metal low-temperature impact toughness; Existing solder flux is because basicity is low, and oxygen content is big, especially at the multiplewire submerged arc welding throat thickness during greater than the oil and gas pipelines steel plate of 20mm; Because multifibres welding; Heat input is big, and seam organization forms thick column crystal easily, causes the weld metal low-temperature impact to absorb merit and descends and fluctuate widely.
Summary of the invention
The purpose of this invention is to provide a kind of high basicity high tenacity low hydrogen type sintered flux; Being particularly useful for the welding of ocean oil transportation gas transmission slab pipe line steel multiplewire submerged arc welding uses; It is poor to have solved existing solder flux weld metal toughness; Deposited metal diffusible hydrogen content height causes weld metal to be easy to generate the problem of crackle, and the solder flux performance is good.
Another object of the present invention provides the preparation method of above-mentioned high basicity high tenacity low hydrogen type sintered flux.
The technical scheme that the present invention adopted is that high basicity high tenacity low hydrogen type sintered flux according to mass percent, is made up of following raw material: MgO:18%～21.5%, CaF
2: 33%～35%, Al
2O
3: 15%～20%, SiO
2: 17%～21%, CaO:3.5%～8%, MnO:1%～5%, BaCO
3: 2%～5%, FeO≤3%, more than the mass percent summation of each component be 100%.
Characteristic of the present invention also is,
Impurity S≤0.015% wherein, P≤0.025%.
Another technical scheme that the present invention adopted is, the preparation method of high basicity high tenacity low hydrogen type sintered flux specifically carries out according to following steps:
Step 1
According to mass percent, take by weighing 18%～21.5% MgO respectively, 33%～35% CaF
2, 15%～20% Al
2O
3, 17%～21% SiO
2, 3.5%～8% CaO, 1%～5% MnO, 2%～5% BaCO
3, FeO≤3%, more than the mass percent summation of each component be 100%;
Step 2
Each raw material that step 1 took by weighing is mixed dried the stirring, obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%; Fully wet again being stirred to evenly, the material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying; Under 180 ℃～230 ℃ temperature, dry, sieve after coming out of the stove, get into sintering furnace again; Semi-finished product are come out of the stove after sintering 1-2 hour in sintering furnace under 830 ℃～860 ℃ temperature; Through sieving, cooling promptly gets then.
The beneficial effect of high basicity high tenacity low hydrogen type sintered flux of the present invention is to satisfy the requirement of the weld seam of slab pipe line steel multiplewire submerged arc welding to low-temperature impact toughness, raising weld metal toughness: generally contain CaO, MgO, CaF in the alkalescent sintered flux
2Deng alkali compounds and SiO
2Acidic oxide, basicity is in 1.5～1.8 scopes.The present invention adds a large amount of CaF
2Alkali compounds, interpolation BaCO
3Basic anhydride, reduction SiO
2Modes such as content improve the basicity of sintered flux slag, the basicity scope 2.4～2.6 of slag.High basicity slag has reduced oxygen content in the weld metal, thereby has improved the weld metal low-temperature impact toughness of slab pipe line steel multiplewire submerged arc welding.Low temperature (40 ℃) impact absorbing energies (KV2) scope of high basicity high tenacity low hydrogen type sintered flux of the present invention is 132J～202J.Reduce the deposited metal diffusible hydrogen content: diffusible hydrogen is to produce one of weld metal cold crack key factor in the deposited metal.The present invention designs through optimization sintered flux prescription and reduces diffusible hydrogen content in the deposited metal, reduces the bead crack tendency of slab multiplewire submerged arc welding, solves the problem of big slab multiplewire submerged arc welding weld cracking.The deposited metal diffusible hydrogen content of solder flux of the present invention is less than 0.89ml/100g (mean value).In solder flux, add a certain amount of BaCO
3, BaCO during welding
3The CO that decomposites
2Gas and CaF
2The fluorine gas that produces during welding reduces the hydrogen dividing potential drop in the arc atmosphere jointly, reaches the purpose that reduces the weld metal diffusible hydrogen content.Simultaneously, BaCO
3The solid product that decomposes is BaO, has improved the basicity of slag, has the effect that improves the deposited metal low-temperature impact toughness.The present invention be advantageous in that high basicity high tenacity low hydrogen type sintered flux slag basicity B
IIW: 2.4～2.6; Welding technological properties is good, and weld metal does not have defectives such as slag inclusion, pore.Solder flux of the present invention has been used for X70, the welding of X80 off-shore pipeline (oil transportation, gas transmission) steel pipe, has realized that inside and outside 4 wire bonds connect, and obtain good result.
The specific embodiment
Below in conjunction with the specific embodiment the present invention is elaborated.
The invention discloses a kind of high basicity high tenacity low hydrogen type sintered flux, according to mass percent, composed of the following components:
MgO:18%～21.5%, CaF
2: 33%～35%, Al
2O
3: 15%～20%, SiO
2: 17%～21%, CaO:3.5%～8%, MnO:1%～5%, BaCO
3: 2%～5%, FeO≤3%, more than the mass percent summation of each component be 100%.
Except that said components,, need the raw-material S of control, P content because raw material are brought impurity such as S, P inevitably into.Control S≤0.015%, P≤0.025% in the solder flux.
Below specify the control reason of flux component and content.
MgO is controlled at 18%～21.5%, CaF
2Be controlled at 33%～35%, CaO is controlled at 3.5%～8%, and these three kinds of compositions all are slag formers, is the neccessary composition that improves basicity simultaneously.MgO was difficult to bring into play the effect that improves slag basicity less than 18% o'clock, can not get the effect that high basicity improves toughness.Surpass at 21.5% o'clock, the fusing point of slag is too high, is prone to form the coarse weld seam of welding bead, and is prone in weld metal, form slag inclusion.CaF
2Can increase the flowability of slag, reduce defectives such as pore, slag inclusion, improve appearance of weld.CaF
2Less than 33% o'clock, the effect that reduces the hydrogen content in the deposited metal was insufficient.Surpass at 35% o'clock, the viscosity of slag is low excessively, and the molten bath motion is fierce, thickization of welding bead, and the welding bead outward appearance is unsmooth.CaO was less than 3.5% o'clock, and the basicity of slag is little, was unfavorable for improving toughness.CaO received the restriction of adding material greater than 8% o'clock, was difficult for adding.
SiO
2Be controlled at 17%～21%, SiO
2Being slag former, also is simultaneously the main component of pilot arc stability.Less than 17% o'clock, electric arc was unstable, is difficult to obtain good welding technological properties.Surpass at 21% o'clock, reduce the basicity of solder flux slag, be prone to make weld metal oxygenation, be unfavorable for improving the weld metal low-temperature impact toughness.
Al
2O
3Be controlled at 15%～20%, Al
2O
3Belonging to slag former, is the physical property of adjustment slag, improves the flowability of slag, keeps the active ingredient of good weld bead shape.Al
2O
3Less than 15% o'clock, the viscosity of slag was low excessively, therefore, was difficult to guarantee good welding bead outward appearance, surpassed at 20% o'clock, and the viscosity of slag is too high, was prone to produce undercut and impression, caused the welding bead bad order.
MnO is controlled at 1%～5%, and MnO adds in order to adjust Mn content in slag basicity and the deposited metal.Addition is less than 1% o'clock, above-mentioned DeGrain, but surpass at 5% o'clock, the tendency of dry slag is arranged.
BaCO
3Be controlled at 2%～5%, BaCO
3Can improve the basicity of slag, improve the impact flexibility of deposited metal.BaCO
3Decompose the back and produce CO
2, the dividing potential drop of hydrogen can reduce the diffusible hydrogen content in the deposited metal in the reduction arc atmosphere, strengthens the cracking resistance of deposited metal.BaCO
3Addition is less than 2% o'clock, above-mentioned DeGrain.But BaCO
3Surpass at 5% o'clock, cause BaCO
3Addition increases, and is prone to during welding produce excessive smoke, and weak effect influences environmental protection.
FeO≤3%, S≤0.015%, P≤0.025%, FeO are the compositions that raw material are brought into, reduce the low-temperature impact toughness of weld metal, therefore are controlled at below 3%.S, P are the objectionable impurities of bringing in the raw material, form the low melting point eutectic thing with metal, increase the tendency that produces fire check, thus be controlled at S≤0.015% respectively, in P≤0.025%.
The preparation method of high basicity high tenacity low hydrogen type sintered flux of the present invention, specifically carry out according to following steps:
Step 1
According to mass percent, take by weighing 18%～21.5% MgO respectively, 33%～35% CaF
2, 15%～20% Al
2O
3, 17%～21% SiO
2, 3.5%～8% CaO, 1%～5% MnO, 2%～5% BaCO
3, FeO≤3%, wherein, S≤0.015%, P≤0.025%, more than the percentage by weight summation of each component be 100%;
Step 2
Each raw material that step 1 took by weighing are mixed dried the stirring, obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%; Fully wet again being stirred to evenly, the material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying; Under 180 ℃～230 ℃ temperature, dry, sieve after coming out of the stove, get into sintering furnace again; Semi-finished product are come out of the stove after sintering 1-2 hour in sintering furnace under 830 ℃～860 ℃ temperature; Through sieving, cooling promptly gets then.
Embodiment 1
According to mass percent, take by weighing 18% MgO respectively, 33% CaF
2, 15% Al
2O
3, 17% SiO
2, 4% CaO, 5% MnO, 5% BaCO
3, 3% FeO mixes dried the stirring with each raw material that is taken by weighing; Obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%, fully wet again being stirred to evenly; The material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying, under 180 ℃ of temperature, dry; Sieve after coming out of the stove, get into sintering furnace again, semi-finished product under 860 ℃ of temperature in sintering furnace sintering come out of the stove after 1 hour; Through sieving, cooling promptly gets then.
After testing:
Flux basicity (B
IIW): 2.42.
At atmospheric pressure 102.6kPa, 26 ℃, 69% humidity, deposited metal diffusible hydrogen content: 0.16ml/100g (mean value) after 72 hours.
The deposited metal mechanical property:
Embodiment 2
According to mass percent, take by weighing 21.5% MgO respectively, 35% CaF
2, 15% Al
2O
3, 21% SiO
2, 3.5% CaO, 1% MnO, 2% BaCO
3, 1% FeO mixes dried the stirring with each raw material that is taken by weighing; Obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%, fully wet again being stirred to evenly; The material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying, under 230 ℃ of temperature, dry; Sieve after coming out of the stove, get into sintering furnace again, semi-finished product under 830 ℃ of temperature in sintering furnace sintering come out of the stove after 2 hours; Through sieving, cooling promptly gets then.
After testing:
Flux basicity (B
IIW): 2.39.
At atmospheric pressure 101.8kPa, 24 ℃, 56% humidity, deposited metal diffusible hydrogen content: 0.55ml/100g (mean value) after 72 hours.
The deposited metal mechanical property:
Embodiment 3
According to mass percent, take by weighing 18% MgO respectively, 33% CaF
2, 20% Al
2O
3, 17% SiO
2, 8% CaO, 1% MnO, 2% BaCO
3, 1% FeO mixes dried the stirring with each raw material that is taken by weighing; Obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%, fully wet again being stirred to evenly; The material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying, under 200 ℃ of temperature, dry; Sieve after coming out of the stove, get into sintering furnace again, semi-finished product under 840 ℃ of temperature in sintering furnace sintering come out of the stove after 1.5 hours; Through sieving, cooling promptly gets then.
After testing:
Flux basicity (B
IIW): 2.35.
At atmospheric pressure 101.6kPa, 25 ℃, 53% humidity, deposited metal diffusible hydrogen content: 0.89ml/100g (mean value) after 72 hours.
The deposited metal mechanical property:
Embodiment 4
According to mass percent, take by weighing 19% MgO respectively, 34% CaF
2, 17% Al
2O
3, 18% SiO
2, 6% CaO, 2% MnO, 3% BaCO
3, 1% FeO mixes dried the stirring with each raw material that is taken by weighing; Obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%, fully wet again being stirred to evenly; The material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying, under 210 ℃ of temperature, dry; Sieve after coming out of the stove, get into sintering furnace again, semi-finished product under 850 ℃ of temperature in sintering furnace sintering come out of the stove after 1 hour; Through sieving, cooling promptly gets then.
After testing:
Flux basicity (B
IIW): 2.37.
At atmospheric pressure 101.4kPa, 27 ℃, 60% humidity, deposited metal diffusible hydrogen content: 0.42ml/100g (mean value) after 72 hours.
The deposited metal mechanical property:
Can find out that by embodiment 1-4 low temperature (40 ℃) impact absorbing energies (KV2) scope of high basicity high tenacity low hydrogen type sintered flux of the present invention is 132J～202J.The deposited metal diffusible hydrogen content of solder flux is less than 0.89ml/100g (mean value).Solder flux slag basicity B
IIW: 2.4～2.6; Welding technological properties is good, and weld metal does not have defectives such as slag inclusion, pore.
Claims (3)
1. one kind high basicity high tenacity low hydrogen type sintered flux is characterized in that, according to mass percent, is made up of following raw material:
MgO:18%～21.5%, CaF
2: 33%～35%, Al
2O
3: 15%～20%, SiO
2: 17%～21%, CaO:3.5%～8%, MnO:1%～5%, BaCO
3: 2%～5%, FeO≤3%, more than the mass percent summation of each component be 100%.
2. according to the described high basicity high tenacity low hydrogen type sintered flux of claim 1, it is characterized in that impurity S≤0.015% wherein, P≤0.025%.
3. the preparation method of a high basicity high tenacity low hydrogen type sintered flux as claimed in claim 1 is characterized in that, specifically carries out according to following steps:
Step 1
According to mass percent, take by weighing 18%～21.5% MgO respectively, 33%～35% CaF
2, 15%～20% Al
2O
3, 17%～21% SiO
2, 3.5%～8% CaO, 1%～5% MnO, 2%～5% BaCO
3, FeO≤3%, more than the mass percent summation of each component be 100%;
Step 2
Each raw material that step 1 took by weighing is mixed dried the stirring, obtain mixed-powder after stirring, and then add the waterglass bonding agent that accounts for mixed-powder weight 20%; Fully wet again being stirred to evenly, the material that stirs of will wetting is then delivered to comminutor and is carried out granulation, and the granular flux of producing gets into drying oven after heated-air drying; Under 180 ℃～230 ℃ temperature, dry, sieve after coming out of the stove, get into sintering furnace again; Semi-finished product are come out of the stove after sintering 1-2 hour in sintering furnace under 830 ℃～860 ℃ temperature; Through sieving, cooling promptly gets then.
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|---|---|---|---|
| CN201210076252.3A CN102601544B (en) | 2012-03-21 | 2012-03-21 | High-alkalinity high-tenacity low-hydrogen agglomerated flux and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5440249A (en) * | 1977-09-06 | 1979-03-29 | Sumitomo Metal Ind Ltd | Preparation of fused flux for low hydrogen submerged arc welding |
| CN1107770A (en) * | 1994-06-14 | 1995-09-06 | 冶金工业部钢铁研究总院 | Ultra-low-hydrogen and high-basicity sintered flux |
| CN1788919A (en) * | 2004-12-17 | 2006-06-21 | 中国船舶重工集团公司第七二五研究所 | High alkalinity, low activity, superlow hydrogen sintering type solder |
| CN101444877A (en) * | 2008-10-08 | 2009-06-03 | 四川大西洋焊接材料股份有限公司 | Welding fluid for hidden arc welding of X80-grade steel oil and gas transmission pipe |
| CN101722377A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | High-basicity sintered flux suitable for high-hardness submerged arc welding wire |
-
2012
- 2012-03-21 CN CN201210076252.3A patent/CN102601544B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5440249A (en) * | 1977-09-06 | 1979-03-29 | Sumitomo Metal Ind Ltd | Preparation of fused flux for low hydrogen submerged arc welding |
| CN1107770A (en) * | 1994-06-14 | 1995-09-06 | 冶金工业部钢铁研究总院 | Ultra-low-hydrogen and high-basicity sintered flux |
| CN1788919A (en) * | 2004-12-17 | 2006-06-21 | 中国船舶重工集团公司第七二五研究所 | High alkalinity, low activity, superlow hydrogen sintering type solder |
| CN101444877A (en) * | 2008-10-08 | 2009-06-03 | 四川大西洋焊接材料股份有限公司 | Welding fluid for hidden arc welding of X80-grade steel oil and gas transmission pipe |
| CN101722377A (en) * | 2008-10-29 | 2010-06-09 | 中冶集团建筑研究总院 | High-basicity sintered flux suitable for high-hardness submerged arc welding wire |
Cited By (27)
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| JP2016533902A (en) * | 2013-07-29 | 2016-11-04 | シーメンス エナジー インコーポレイテッド | Laser welding flux |
| WO2015017370A3 (en) * | 2013-07-29 | 2015-07-09 | Siemens Energy, Inc. | Flux for laser welding |
| CN105431254B (en) * | 2013-07-29 | 2021-07-02 | 西门子能源美国公司 | Flux for laser welding |
| CN105431254A (en) * | 2013-07-29 | 2016-03-23 | 西门子能源公司 | Flux for laser welding |
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| CN106573349A (en) * | 2014-08-14 | 2017-04-19 | 西门子能源有限公司 | Method of laser processing of volatile alloys |
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