CN108568616A - Fluorine-type fysed flux and preparation method thereof in manganese in one kind high silicon peculiar to vessel - Google Patents
Fluorine-type fysed flux and preparation method thereof in manganese in one kind high silicon peculiar to vessel Download PDFInfo
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- CN108568616A CN108568616A CN201810704735.0A CN201810704735A CN108568616A CN 108568616 A CN108568616 A CN 108568616A CN 201810704735 A CN201810704735 A CN 201810704735A CN 108568616 A CN108568616 A CN 108568616A
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- manganese
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- high silicon
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
Fluorine-type fysed flux in manganese, belongs to welding technology field in one kind high silicon peculiar to vessel；Fysed flux contains ingredient：SiO2：38~42%, MnO：28~32%, CaF2：27~32%；Wherein, in mass ratio, 0.9≤MnO: CaF2≤ 1.1, the mass percent summation of each component is 100%；Preparation method：1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel weighs each component raw material and is uniformly mixed；Glassy state semi-finished product are made in smelted product water quenching by heat preservation >=15min after melting；2) by glassy state semi-finished product, product of roasting is made in high-temperature roasting；3) product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is fluorine-type fysed flux in manganese in high silicon peculiar to vessel；The tensile strength intensity of fluorine-type fysed flux in manganese in the present invention high silicon peculiar to vessel, the welding point obtained by postwelding is 673~710MPa, and (40 DEG C) of low-temperature impact work is 60~80J.
Description
Technical field
The invention belongs to welding technology field, fluorine-type fysed flux and its preparation side in manganese in specifically a kind of high silicon peculiar to vessel
Method.
Background technology
Submerged arc flux is one of main consumable material of submerged-arc welding, and Resistance of Weld Metal plays machinery and protects in the welding process
Shield, Metallurgical processing and the effect for improving welding technological properties, the welding technological properties and chemical metallurgy performance of solder flux are to determine weldering
An important factor for stitching metal quality.Compared to sintered flux, fysed flux has particle, and uniformly height, deposited metal composition are equal
The even, moisture absorption is inclined to the advantages that small, welding process is stable, gas fume amount is less, high recycling rate.Fluorine-type is welded in manganese in high silicon
SiO in agent2Content is high, the effect of transition silicon in the oriented weld seam of solder flux.Silicon can improve the deoxidizing capacity of weld metal, improve weldering
Stitch the intensity and hardness of metal.The effect of transition manganese in the oriented weld metal of the higher solder flux of MnO contents.Manganese, can in weld seam
To improve deoxidizing capacity, the brittleness of steel is reduced, mitigates detrimental effect of the sulphur to steel.CaF2Slag former and dilution are used as in solder flux
Agent increases the mobility of solder flux, can remove the hydrogen in solder flux.To meet industrialized production to the urgent of the solder flux of function admirable
Demand, it is necessary to it prepares a kind of function admirable, can realize weld metal high intensity and high rigidity, while welding arc stablility,
And there is smooth welding bead, fluorine-type fysed flux in manganese in the high silicon of good slag detachability.
Invention content
In view of the deficiencies of the prior art, the present invention provides fluorine-type fysed flux and its preparations in manganese in a kind of high silicon peculiar to vessel
Method；The fysed flux of the present invention is that a kind of welding process is stable, weld metal intensity is high, and hardness is high, composition of weld line and tissue
Uniformly, welding bead surface is smooth, the good fysed flux of deoxidizing capacity, meets deck of boat steel welding technology to the solder flux of function admirable
Pressing needs.
Fluorine-type smelting type welding flux in manganese in a kind of high silicon peculiar to vessel is by mass percentage containing ingredient：SiO2：38~
42%, MnO：28~32%, CaF2：27~32%；Wherein, in mass ratio, 0.9≤MnO：CaF2≤1.1, the quality of each component
Percentage summation is 100%.
Fluorine-type fysed flux in manganese in the high silicon peculiar to vessel, the tensile strength of the welding point obtained by postwelding is 673~
710MPa, (- 40 DEG C) of low-temperature impact work are 60~80J.
In the high silicon peculiar to vessel of the present invention in manganese fluorine-type fysed flux preparation method, include the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, will be each
Raw material is uniformly mixed；
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=15min after melting；Wherein, smelting temperature >=
1500℃；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 3~5h is roasted at 700~900 DEG C, and product of roasting is made；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is that fluorine-type melting is welded in manganese in high silicon peculiar to vessel
Agent.
In above-mentioned high silicon peculiar to vessel in manganese fluorine-type fysed flux preparation method, wherein：
In the step 1, each raw material is put into mixing equipment, by stirring to obtain uniform powder.
In the step 1, melting uses graphite crucible.
In the step 2, high-temperature roasting uses Muffle furnace.
In the step 2, the carbon dust in solder flux is eliminated by high-temperature roasting.
Fluorine-type fysed flux in manganese in the high silicon peculiar to vessel, before welding need to be at 200~400 DEG C, drying >=2h.Drying is adopted
It is dried with drying box.
Fluorine-type fysed flux and preparation method thereof in manganese, compared with prior art, has in one kind high silicon peculiar to vessel of the present invention
Beneficial effect：
The present invention is prepared in a kind of high silicon of New Marine fluorine fysed flux in manganese, which has good chemical composition
Uniformity, moisture absorption is low (storage convenient), can be well matched with low-carbon and low-alloy ship steel and obtain uniform composition of weld line, good
Good weld strength and hardness；Weld metal ingredient is uniform, and metal welding bead is smooth, and deoxidation is good, after testing zero defect, can
Meet the technological requirement of welding.
Specific implementation mode
Embodiment 1
Fluorine-type fysed flux in manganese in a kind of high silicon peculiar to vessel is by mass percentage containing ingredient：MnO：29%,
SiO2：42%, CaF2：29%.
In the high silicon peculiar to vessel of the present invention in manganese fluorine-type fysed flux preparation method, include the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, will be each
Raw material is put into mixing equipment, is stirred by mixing；
(2) by uniformly mixed raw material, 15min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1520 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 2.5h is roasted at 750 DEG C using Muffle furnace, product of roasting is made, is gone by high-temperature roasting
In addition to the carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is that fluorine-type melting is welded in manganese in high silicon peculiar to vessel
Agent.
Fluorine-type fysed flux in manganese in high silicon peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, does
Dry 2h；Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the weldering obtained by postwelding
It is as follows to connect joint performance index：Tensile strength is 675MPa, and (- 40 DEG C) of low-temperature impact work is 63J, and composition of weld line is uniform, welding
Arc stability, welding bead is smooth, and the removability of slag is good.
Embodiment 2
Fluorine-type fysed flux in manganese in a kind of high silicon peculiar to vessel is by mass percentage containing ingredient：MnO：31%,
SiO2：41%, CaF2：28%.
In the high silicon peculiar to vessel of the present invention in manganese fluorine-type fysed flux preparation method, include the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, will be each
Raw material is put into mixing equipment, is stirred by mixing；
(2) by uniformly mixed raw material, 15min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1520 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 2.5h is roasted at 750 DEG C using Muffle furnace, product of roasting is made, is gone by high-temperature roasting
In addition to the carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is that fluorine-type melting is welded in manganese in high silicon peculiar to vessel
Agent.Fluorine-type fysed flux in manganese in high silicon peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry 2h；
Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding connects
Head performance indicator is as follows：Tensile strength is 687MPa, and (- 40 DEG C) of low-temperature impact work is 69J, and composition of weld line is uniform, welding arc
Stablize, welding bead is smooth, and the removability of slag is good.
Embodiment 3
Fluorine-type fysed flux in manganese in a kind of high silicon peculiar to vessel is by mass percentage containing ingredient：MnO：32%,
SiO2：39%, CaF2：29%.
In the high silicon peculiar to vessel of the present invention in manganese fluorine-type fysed flux preparation method, include the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, will be each
Raw material is put into mixing equipment, is stirred by mixing；
(2) by uniformly mixed raw material, 15min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1520 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 2.5h is roasted at 750 DEG C using Muffle furnace, product of roasting is made, is gone by high-temperature roasting
In addition to the carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is that fluorine-type melting is welded in manganese in high silicon peculiar to vessel
Agent.Fluorine-type fysed flux in manganese in high silicon peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry 2h；
Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding connects
Head performance indicator is as follows：Tensile strength is 699MPa, and (- 40 DEG C) of low-temperature impact work is 72J, and composition of weld line is uniform, welding arc
Stablize, welding bead is smooth, and the removability of slag is good.
Embodiment 4
Fluorine-type fysed flux in manganese in a kind of high silicon peculiar to vessel is by mass percentage containing ingredient：MnO：32%,
SiO2：40%, CaF2：28%.
In the high silicon peculiar to vessel of the present invention in manganese fluorine-type fysed flux preparation method, include the following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, will be each
Raw material is put into mixing equipment, is stirred by mixing；
(2) by uniformly mixed raw material, 15min is kept the temperature after melting in graphite crucible, smelted product is made；Wherein, it melts
It is 1520 DEG C to refine temperature；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 2.5h is roasted at 750 DEG C using Muffle furnace, product of roasting is made, is gone by high-temperature roasting
In addition to the carbon dust in solder flux；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is that fluorine-type melting is welded in manganese in high silicon peculiar to vessel
Agent.Fluorine-type fysed flux in manganese in high silicon peculiar to vessel manufactured in the present embodiment uses drying box at 200 DEG C before welding, dry 2h；
Then, the fysed flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding connects
Head performance indicator is as follows：Tensile strength is 708MPa, and (- 40 DEG C) of low-temperature impact work is 79J, and composition of weld line is uniform, welding arc
Stablize, welding bead is smooth, and the removability of slag is good.
Claims (4)
1. fluorine-type fysed flux in manganese in a kind of high silicon peculiar to vessel, which is characterized in that the fysed flux contains ingredient by quality hundred
Point ratio is：SiO2：38~42%, MnO：28~32%, CaF2：27~32%；Wherein, in mass ratio, 0.9≤MnO：CaF2≤
1.1, the mass percent summation of each component is 100%.
2. fluorine-type fysed flux in manganese in one kind high silicon peculiar to vessel according to claim 1, which is characterized in that the height peculiar to vessel
The tensile strength intensity of fluorine-type fysed flux in manganese in silicon, the welding point obtained by postwelding is 673~710MPa, low-temperature impact work
(- 40 DEG C) are 60~80J.
3. in high silicon peculiar to vessel as claimed in claim 1 or 2 in manganese fluorine-type fysed flux preparation method, which is characterized in that including
Following steps：
Step 1, melting：
(1) proportioning for pressing fluorine-type fysed flux in manganese in high silicon peculiar to vessel, weighs each component raw materials of Ca F2、SiO2, MnO, by each raw material
It is uniformly mixed；
(2) by uniformly mixed raw material, smelted product is made in heat preservation >=15min after melting；Wherein, smelting temperature >=1500 DEG C；
(3) by smelted product water quenching, glassy state semi-finished product are made；
Step 2, high-temperature roasting：
By glassy state semi-finished product, 3~5h is roasted at 700~900 DEG C, and product of roasting is made；
Step 3, it is crushed：
Product of roasting is broken, sieving, granularity are that the particle of 12~120 mesh is fluorine-type fysed flux in manganese in high silicon peculiar to vessel.
4. in high silicon peculiar to vessel according to claim 3 in manganese fluorine-type fysed flux preparation method, which is characterized in that it is described
Fluorine-type fysed flux in manganese in high silicon peculiar to vessel, before welding need to be at 200~400 DEG C, drying >=2h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704735.0A CN108568616A (en) | 2018-06-30 | 2018-06-30 | Fluorine-type fysed flux and preparation method thereof in manganese in one kind high silicon peculiar to vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810704735.0A CN108568616A (en) | 2018-06-30 | 2018-06-30 | Fluorine-type fysed flux and preparation method thereof in manganese in one kind high silicon peculiar to vessel |
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| CN108568616A true CN108568616A (en) | 2018-09-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671778A (en) * | 2008-09-09 | 2010-03-17 | 沂源县金得铁合金有限公司 | Method for producing smelting flux |
| JP4484079B2 (en) * | 2006-03-30 | 2010-06-16 | 株式会社神戸製鋼所 | Fused flux for submerged arc welding |
| CN102198573A (en) * | 2011-04-28 | 2011-09-28 | 蒋才银 | Automatic submerged arc welding agent and preparation method thereof |
| CN106041371A (en) * | 2016-07-04 | 2016-10-26 | 常州大学 | Smelting flux for submerged-arc welding and preparation method and application of smelting flux |
| CN106078003A (en) * | 2016-06-30 | 2016-11-09 | 南京南化建设有限公司 | A kind of caustic fusion solder flux used for submerged arc welding and application |
-
2018
- 2018-06-30 CN CN201810704735.0A patent/CN108568616A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4484079B2 (en) * | 2006-03-30 | 2010-06-16 | 株式会社神戸製鋼所 | Fused flux for submerged arc welding |
| CN101671778A (en) * | 2008-09-09 | 2010-03-17 | 沂源县金得铁合金有限公司 | Method for producing smelting flux |
| CN102198573A (en) * | 2011-04-28 | 2011-09-28 | 蒋才银 | Automatic submerged arc welding agent and preparation method thereof |
| CN106078003A (en) * | 2016-06-30 | 2016-11-09 | 南京南化建设有限公司 | A kind of caustic fusion solder flux used for submerged arc welding and application |
| CN106041371A (en) * | 2016-07-04 | 2016-10-26 | 常州大学 | Smelting flux for submerged-arc welding and preparation method and application of smelting flux |
Non-Patent Citations (1)
| Title |
|---|
| 黄石生: "《焊接科学基础 焊接方法与过程控制基础》", 30 September 2014, 机械工业出版社 * |
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