CN108465979A - A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof - Google Patents
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof Download PDFInfo
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- CN108465979A CN108465979A CN201810703939.2A CN201810703939A CN108465979A CN 108465979 A CN108465979 A CN 108465979A CN 201810703939 A CN201810703939 A CN 201810703939A CN 108465979 A CN108465979 A CN 108465979A
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- vessel
- silicon type
- sintered flux
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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
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof, solder flux contains ingredient and is by mass percentage：SiO2：37~42%, MnO：57~62%；Wherein, in mass ratio, 1≤MnO: SiO2≤ 1.5, the mass percent summation of each component is 100%；Preparation method：1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel after weighing each raw material, is uniformly mixed, and dry-mixed raw material is made, then waterglass and dry-mixed raw material are carried out wet mixing, wet mixed feed is made；2) wet mixed feed be granulated obtaining low temperature drying after semi-finished product；3) semi-finished product are sintered, Super-high Manganese high-silicon type sintered flux peculiar to vessel is made；Present invention Super-high Manganese high-silicon type sintered flux peculiar to vessel, the property of welded joint index obtained by postwelding are as follows：Tensile strength is 663~754MPa, and (40 DEG C) of low-temperature impact work is 65~87J.
Description
Technical field
The invention belongs to welding technology field, specifically a kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and its preparation side
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 fysed flux, sintered flux is with sintered flux with low energy consumption, basicity adjustable range
Greatly, easy deoxidation, the advantages that being easy to alloying, being readily produced.SiO in Super-high Manganese high-silicon type solder flux2Content is high, the oriented weld seam of solder flux
The effect of middle transition silicon.Silicon can improve the deoxidizing capacity of weld metal, improve the intensity and hardness of weld metal.MnO contents
The effect of transition manganese in the higher oriented weld metal of solder flux.Manganese can improve deoxidizing capacity in weld seam, reduce the crisp of steel
Property, mitigate detrimental effect of the sulphur to steel.To meet pressing needs of the industrialized production to the solder flux of function admirable, it is necessary to prepare
A kind of function admirable can realize weld metal high intensity and high rigidity, while have smooth welding bead, good deoxidizing capacity
Super-high Manganese high-silicon type sintered flux.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and its preparation sides
Method；The present invention meets pressing needs of the deck of boat steel welding technology to the solder flux of function admirable, have developed a kind of welding process it is stable,
Weld metal high strength, low-temperature flexibility is high, composition of weld line and even tissue, welding bead surface are smooth, the removability of slag can good silicomanganese
Type sintered flux.
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel is by mass percentage containing ingredient：：SiO2：37~42%,
MnO：57~62%；Wherein, in mass ratio, 1≤MnO: SiO2≤ 1.5, the mass percent summation of each component is 100%.
The Super-high Manganese high-silicon type sintered flux peculiar to vessel, the property of welded joint index obtained by postwelding are as follows：Tension is strong
Degree is 663~754MPa, and (- 40 DEG C) of low-temperature impact work is 65~87J.
The preparation method of the Super-high Manganese high-silicon type sintered flux peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel after weighing each raw material, is uniformly mixed, and is made dry
Mixed raw material；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, is made by dry-mixed raw material=20~30%
Wet mixed feed；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 200~400 DEG C of low temperature dryings；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 300~700 DEG C, 2~5h of sintering time, and it is high that Super-high Manganese peculiar to vessel is made
Silicon type sintered flux.
The preparation method of above-mentioned Super-high Manganese high-silicon type sintered flux peculiar to vessel, wherein：
In the step 1 (1), each raw material is put into mixing equipment, is stirred evenly.
In the step 1 (2), waterglass is sodium silicate and/or potassium water glass.
In the step 2 (3), drying uses tube furnace.
In the step 2 (3), 1~3h of drying time.
The Super-high Manganese high-silicon type sintered flux peculiar to vessel, before welding need to be at 300~500 DEG C, drying >=2h.Drying is adopted
It is dried with drying box.
The Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof of the present invention, compared with prior art, advantageous effect
For：
The present invention is prepared for a kind of New Marine silicomanganese type sintered flux, can be well matched with low-carbon and low-alloy ship steel
Obtain uniform composition of weld line, good weld strength and low-temperature flexibility.Weld metal welding bead is smooth, and the removability of slag is good, through penetrating
Line detects zero defect, disclosure satisfy that the technological requirement of welding.
Specific implementation mode
Embodiment 1
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel is by mass percentage containing ingredient：：SiO2：43%, MnO：
57%.
The preparation method of the Super-high Manganese high-silicon type sintered flux peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel is put into mixing equipment after weighing each raw material, stirs
It mixes uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20%
Material；Wherein, waterglass is sodium silicate；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 300 DEG C of low temperature drying 2.5h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 600 DEG C, sintering time 2.5h, and Super-high Manganese high-silicon type peculiar to vessel is made and burns
Tie solder flux.
Super-high Manganese high-silicon type sintered flux peculiar to vessel manufactured in the present embodiment uses drying box at 300 DEG C before welding, drying
2h；Then, the sintered flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding
Joint performance index is as follows：Tensile strength intensity is 720MPa, and (- 40 DEG C) of low-temperature impact work is 71J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 2
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel is by mass percentage containing ingredient：：SiO2：42%, MnO：
58%.
The preparation method of the Super-high Manganese high-silicon type sintered flux peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel is put into mixing equipment after weighing each raw material, stirs
It mixes uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20%
Material；Wherein, waterglass is sodium silicate and/or potassium water glass；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 300 DEG C of low temperature drying 2.5h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 600 DEG C, sintering time 2.5h, and Super-high Manganese high-silicon type peculiar to vessel is made and burns
Tie solder flux.
Super-high Manganese high-silicon type sintered flux peculiar to vessel manufactured in the present embodiment uses drying box 300~500 before welding
DEG C, drying ＞ 2h；Then, the sintered flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, postwelding
The property of welded joint index of gained is as follows：Tensile strength intensity is 731MPa, and (- 40 DEG C) of low-temperature impact work is 75J, weld seam at
Divide uniformly, welding bead is smooth, and the removability of slag can be good.
Embodiment 3
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel is by mass percentage containing ingredient：：SiO2：41%, MnO：
59%.
The preparation method of the Super-high Manganese high-silicon type sintered flux peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel is put into mixing equipment after weighing each raw material, stirs
It mixes uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20%
Material；Wherein, waterglass is sodium silicate and/or potassium water glass；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 300 DEG C of low temperature drying 2.5h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 600 DEG C, sintering time 2.5h, and Super-high Manganese high-silicon type peculiar to vessel is made and burns
Tie solder flux.
Super-high Manganese high-silicon type sintered flux peculiar to vessel manufactured in the present embodiment uses drying box at 300 DEG C before welding, drying
4h；Then, the sintered flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding
Joint performance index is as follows：Tensile strength intensity is 742MPa, and (- 40 DEG C) of low-temperature impact work is 78J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Embodiment 4
A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel is by mass percentage containing ingredient：：SiO2：40%, MnO：
60%.
The preparation method of the Super-high Manganese high-silicon type sintered flux peculiar to vessel of the present invention, includes the following steps：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel is put into mixing equipment after weighing each raw material, stirs
It mixes uniformly, dry-mixed raw material is made；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20%
Material；Wherein, waterglass is sodium silicate and/or potassium water glass；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, is returned
Step 2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 300 DEG C of low temperature drying 2.5h；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 600 DEG C, sintering time 2.5h, and Super-high Manganese high-silicon type peculiar to vessel is made and burns
Tie solder flux.
Super-high Manganese high-silicon type sintered flux peculiar to vessel manufactured in the present embodiment uses drying box at 500 DEG C before welding, drying
2h；Then, the sintered flux cooperation low-carbon type welding wire after drying welds EH36 grades of ship steels, the welding obtained by postwelding
Joint performance index is as follows：Tensile strength intensity is 750MPa, and (- 40 DEG C) of low-temperature impact work is 85J, and composition of weld line is uniform, weldering
Road is smooth, and the removability of slag can be good.
Claims (6)
1. a kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel, which is characterized in that it contains ingredient and is by mass percentage：SiO2：37
~42%, MnO：57~62%；Wherein, in mass ratio, 1≤MnO：SiO2≤ 1.5, the mass percent summation of each component is
100%.
2. a kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel according to claim 1, which is characterized in that the superelevation peculiar to vessel
Manganese high-silicon type sintered flux, the property of welded joint index obtained by postwelding are as follows：Tensile strength is 663~754MPa, low temperature punching
It is 65~87J to hit (- 40 DEG C) of work(.
3. the preparation method of Super-high Manganese high-silicon type sintered flux peculiar to vessel described in claim 1, which is characterized in that including walking as follows
Suddenly：
Step 1, batch mixing：
(1) composition proportion for pressing Super-high Manganese high-silicon type sintered flux peculiar to vessel after weighing each raw material, is uniformly mixed, dry-mixed original is made
Material；
(2) in mass ratio, waterglass: waterglass and dry-mixed raw material are carried out wet mixing, wet mixing is made by dry-mixed raw material=20~30%
Material；
Step 2, it is granulated：
(1) wet mixed feed is once granulated, it is semi-finished product to choose the particle that granularity is 16~50 mesh；
(2) granularity is more than to the particle of 50 mesh, is crushed, granularity is less than to the particle of 16 mesh, then is granulated, return to step
2 (2), until whole particles become semi-finished product；
(3) by semi-finished product in 200~400 DEG C of low temperature dryings；
Step 3, it is sintered：
Semi-finished product are sintered, sintering temperature is 300~700 DEG C, 2~5h of sintering time, and Super-high Manganese high-silicon type peculiar to vessel is made
Sintered flux.
4. the preparation method of Super-high Manganese high-silicon type sintered flux peculiar to vessel according to claim 3, which is characterized in that the step
In rapid 1 (2), waterglass is sodium silicate and/or potassium water glass.
5. the preparation method of Super-high Manganese high-silicon type sintered flux peculiar to vessel according to claim 3, which is characterized in that the step
In rapid 2 (3), 1~3h of drying time.
6. the preparation method of Super-high Manganese high-silicon type sintered flux peculiar to vessel according to claim 3, which is characterized in that described
Super-high Manganese high-silicon type sintered flux peculiar to vessel, before welding need to be at 300~500 DEG C, drying >=2h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703939.2A CN108465979A (en) | 2018-06-30 | 2018-06-30 | A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703939.2A CN108465979A (en) | 2018-06-30 | 2018-06-30 | A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof |
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ID=63259773
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682892A (en) * | 2020-12-28 | 2022-07-01 | 无锡苏嘉法斯特汽车零配件有限公司 | Manufacturing method of welded steel pipe for automobile transmission shaft |
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| CN105215576A (en) * | 2015-09-22 | 2016-01-06 | 机械科学研究院哈尔滨焊接研究所 | A kind of nickel-base strip pole submerged arc overlay welding sintered flux and manufacture method |
| CN106271218A (en) * | 2016-08-10 | 2017-01-04 | 中国船舶重工集团公司第七二五研究所 | A kind of sintered flux for the welding of ocean engineering high-strength steel and preparation method thereof |
-
2018
- 2018-06-30 CN CN201810703939.2A patent/CN108465979A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846577A (en) * | 2014-03-26 | 2014-06-11 | 锦州天鹅焊材股份有限公司 | Soldering flux for submerged arc soldering of X100 pipeline steel and preparation method thereof |
| CN104668816A (en) * | 2015-01-09 | 2015-06-03 | 天津重型装备工程研究有限公司 | Submerged-arc welding flux for low-alloy-steel narrow-gap welding and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114682892A (en) * | 2020-12-28 | 2022-07-01 | 无锡苏嘉法斯特汽车零配件有限公司 | Manufacturing method of welded steel pipe for automobile transmission shaft |
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