CN106736049A - A kind of good seamless flux-cored wire of the capability of welding vertically upwards - Google Patents
A kind of good seamless flux-cored wire of the capability of welding vertically upwards Download PDFInfo
- Publication number
- CN106736049A CN106736049A CN201611073243.3A CN201611073243A CN106736049A CN 106736049 A CN106736049 A CN 106736049A CN 201611073243 A CN201611073243 A CN 201611073243A CN 106736049 A CN106736049 A CN 106736049A
- Authority
- CN
- China
- Prior art keywords
- welding
- cored wire
- seamless flux
- medicine core
- core powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- 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
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
-
- 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
- B23K35/3608—Titania or titanates
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
- B23K2035/408—Filled tubular wire or rods with welded longitudinal seam
Abstract
A kind of good seamless flux-cored wire of the capability of welding vertically upwards, is related to field of welding material, and it is made up of mild steel crust and medicine core powder, and by mass percentage, medicine core powder is mixed by following components：Rutile 35% 50%, dehydration feldspar 2% 4%, almag 4% 6%, ferrotianium 2% 3%, low-carbon ferromanganese 9% 14%, zircon sand 1% 2%, aluminum oxide 3% 8%, quartz 4% 6%, sodium fluoride 0.5% 1%, surplus iron powder.Seamless flux-cored wire of the invention, medicine core powder is added using on-line synchronous, the crust steel band after addition medicine core powder, after roll shaping and soldering, then annealed, tube reducing and copper facing, and then prepare seamless flux-cored wire.Welding wire stable mechanical property of the invention, diffusible hydrogen is low, and anti-moisture absorption is strong, antirust excellent performance, and welding usability is good, can all-position welding, be especially suitable for vertical position of welding welding, can be used for the welding of D36 level steel plates.
Description
Technical field
The present invention relates to field of welding material, and in particular to a kind of good seamless flux-cored wire of the capability of welding vertically upwards.
Background technology
In recent years, China's steel and wlding are transitioned into from high speed development and eliminate the backward production facilities, innovate driving transition and upgrade
Stable growth stage, the structural adjustment of welding material product and product up-gradation process will substantially be accelerated, in ocean engineering, naval vessel system
Make, in the technical field such as bridge, because welding engineering amount is big, the demand to automatic high-efficiency welding method is more urgent.
Because flux-cored wire can realize continuous automatic welding, the automation of solder technology, efficient development are advanced, and
Flux-cored wire composition is easily adjusted, therefore is widely applied.Seamless flux-cored wire is gone back in addition to having the advantages that common flux-cored wire
With following remarkable advantage：1. during welding wire manufacture, storage and use, medicinal powder is nonhygroscopic, and deposited metal can reach during welding
Ultralow diffusible hydrogen level, cracks tendency low；2. welding wire surface can copper facing, good conductivity, welding arc stablility, welding procedure
Excellent performance；3. welding wire is rigidly good, substantially distortionless, is not likely to produce weld defect, and weldquality is good.Based on above advantage, nothing
Seam flux-cored wire is used in weld strength steel construction higher especially for weldquality requirement ship higher, ocean engineering
During the welding of high-strength steel, with very big technical advantage.
Substantial amounts of angle welding is there is in shipbuilding, and perhaps multipoint weld seam is put and vertical position welding in non-flat welding position
Position is more, so to all positon manufacturability of welding wire, especially the capability of welding vertically upwards proposes test.At present, most of medicine core welderings
Silk can meet the requirement for using, but as the thickness of ship plate reduces, welding bead is molded not when welding wire vertical position welding is not added with swinging
Good, weldering larynx is excessive, will cause the stress concentration at toe of weld position, brings potentially hazardous to structure.China Patent Publication No.
Seamless flux-cored wire described in CN105014259A is applied to soldering field, institute in China Patent Publication No. CN105057925A
The seamless flux-cored wire stated is metal powder core pattern, and cannot be used for all-position welding.And China Patent Publication No.
Flux-cored wire described in the patents such as CN102528317A, CN102009287A is seamed welding wire, and is applied to electro-gas (enclosed) welding.Through
Retrieval finds no the energy all-position welding related to the application and the good seamless flux-cored wire of the capability of welding vertically upwards.
The content of the invention
The present invention is directed to propose a kind of good seamless flux-cored wire of the capability of welding vertically upwards, it is CO 2 gas-shielded
Under, welding wire stable mechanical property, diffusible hydrogen is low, and anti-moisture absorption is strong, antirust excellent performance, and welding usability is good, can all positon
Welding, is especially suitable for vertical position of welding welding, can be used for the welding of D36 level steel plates.
To achieve the above object, the technical scheme is that：A kind of good seamless flux-cored wire of the capability of welding vertically upwards, by
Mild steel crust and medicine core powder are constituted, and by mass percentage, medicine core powder is mixed by following components：Rutile 35%-50%,
Dehydration feldspar 2%-4%, almag 4%-6%, ferrotianium 2%-3%, low-carbon ferromanganese 9%-14%, zircon sand 1%-2%, aluminum oxide 3%-8%,
Quartzy 4%-6%, sodium fluoride 0.5%-1%, surplus iron powder.
Al, Mg mass ratio are 1 in the almag：1, Ti, Fe mass ratio are 1 in ferrotianium：4, Mn, Fe in low-carbon ferromanganese
Mass ratio is 4：1.
The preparation technology of seamless flux-cored wire of the invention：Medicine core powder is added using on-line synchronous, after addition medicine core powder
Crust steel band, after roll shaping and soldering, then annealed, tube reducing and copper facing, and then prepare seamless flux-cored wire.
Seamless flux-cored wire of the invention, a diameter of 1.2 mm of final products welding wire, 1.6 mm, the filling rate of medicine core powder
It is 14%-16%.
Heretofore described seamless flux-cored wire uses titania-type flux-cored welding wire slag system, in main constituent rutile
TiO2Slag setting temperature is high, TiO2The more slag of content becomes for short slag close to lenticular, adapts to all-position welding.Gold
Red stone is main slag former and arc stabilizer, can adjust the fusing point and viscosity of slag, improves the shaping of weld seam and de- slag, plus
Enter amount to be advisable with 35%-50%.
It is Na that the dehydration feldspar added in the medicine core powder of seamless flux-cored wire of the present invention is mainly constituted2O、K2O、
SiO2、Al2O3, Na therein2O and K2O can improve the stability of welding arc, play stabilising arc effect.On the other hand, it is therein
SiO2And Al2O3The viscosity of molten iron and slag can be adjusted, is conducive to all-position welding.But addition too it is high can cause flue dust and
Splashing increases.Therefore the addition of dehydration feldspar should be controlled between 2%-4%.
Almag main purpose is added to be deoxidation and then carry in the medicine core powder of seamless flux-cored wire of the present invention
Weld metal mechanical property high.Deoxidation products can adjust welding wire process simultaneously, because the part deoxidation products of aluminium can be with
The form of field trash enters in weld metal the hardness and intensity for improving steel, partly enters in slag and adjusts the viscosity of slag.Magnesium
Deoxidation products almost all enter slag, can improve the fusing point of slag makes welding wire go for all-position welding, especially fit
Close vertical position welding.Deoxidation is not enough when almag addition is too low easily causes weld metal too high oxygen level, influences Weld Performance.But
The plasticity and toughness of weld seam will be significantly reduced when aluminium is too high.Therefore, the addition of almag is controlled in 4%-6%.
Ferrotianium is added in the medicine core powder of rutile-type seamless flux-cored wire of the invention, main purpose is deoxidation.In addition,
Titanyl compound is considered as that substantial amounts of hydrogen can be solidified as stronger hydrogen trap, so as to effectively reduce deposited metal diffusible hydrogen
Content.Finally, due to Ti is very big with the affinity of oxygen, the Ti in weld seam is in the form of molecule oxide（TiO、
Ti2O3、TiO2）Dispersed precipitate is very easy to the forming core core as acicular ferrite in weld seam, advantageously forms needle-like iron element
Body tissue, so as to improve the toughness of weld metal.Because the addition of ferrotianium can aggravate the severe degree of melt tank reaction, addition mistake
Height will influence welding usability, influence all-position welding, therefore the addition of ferrotianium preferably to control in 2%-3%.
Low-carbon ferromanganese is added in the medicine core powder of seamless flux-cored wire of the present invention, while main purpose is deoxidation
The tensile strength and toughness of weld metal are improved, meanwhile, the SiO in deoxidation products and slag2And TiO2Production combination product, can
Ensure deoxidation effect.The too low weld metal intensity of low-carbon ferromanganese content is too low, and too high levels cause weld metal intensity to cross high-ductility
Property decline.Therefore the addition of low-carbon ferromanganese is 9%-14%.
Zircon sand is added in the medicine core powder of seamless flux-cored wire of the present invention, main purpose is to improve weld seam to take off
Slag, zircon sand main component is ZrO2And SiO2.Wherein ZrO2With negative linear expansion coefficient, the Volume Changes in cooling procedure,
Stripping smooth to skull has positive effect, and ZrO2Slag bath viscosity can be adjusted, improves appearance of weld, it is ensured that the technique of weld seam
Property.Thus the addition of zircon sand is advisable for 1%-2%.
Aluminum oxide is added in the medicine core powder of seamless flux-cored wire of the present invention, main purpose is to adjust slag to glue
Degree, improves the mobility and surface tension of molten slag.Improve welding wire process, it is ensured that the manufacturability of welding wire all-position welding,
More can guarantee that welding wire vertical fillet weld is molded, addition can excessively cause that the viscosity and mobility of slag increase excessive, influence weldering
Silk manufacturability.Therefore the addition of aluminum oxide is advisable with 3%-8%.
Quartz is added in the medicine core powder of seamless flux-cored wire of the present invention, main composition is SiO2, main purpose tune
The viscosity and mobility of whole liquid slag bath, ensure the manufacturability of welding wire.Simultaneously during high temperature to low temperature SiO2Can experience
Phase transition process, and also with Volume Changes while phase transformation, be conducive to skull to peel off.Therefore quartzy addition is with 4%-6%
It is advisable.
Sodium fluoride is added in the medicine core powder of seamless flux-cored wire of the present invention, is currently mainly adjustment arc stiffness,
Make welding arc in welding, suitable fusion penetration can be especially obtained in vertical position welding.Addition can excessively influence arc stability,
Therefore the addition of sodium fluoride is advisable with 0.5%-1%.
Beneficial effect：
After technical scheme is implemented, manufactured flux-cored wire has the characteristics that：
1), welding wire process is good, under suitable technological specification, can realize all-position welding；
2), welding wire the capability of welding vertically upwards is good, and vertical fillet weld weldering larynx thickness is less than 4mm；
3), deposited metal stable mechanical property, crack resistance is good, and diffusible hydrogen is low, and welding wire anti-moisture absorption is strong.
Specific embodiment
According to the constituent content of present invention design, 3 kinds of medicine core powders are prepared, using mild-carbon steel strip as welding wire crust,
Seamless flux-cored wire is prepared according to preparation technology of the present invention, T1, T2, T3, wherein T1, T3 gage of wire is respectively labeled as
It is 1.2mm, T2 diameters 1.6mm.The specific quality proportioning of each embodiment medicine core powder is shown in Table 1, and welding wire filling rate is shown in Table 2, each to implement
The protection gas used during example welding is carbon dioxide, it should be noted that the invention is not limited in these embodiments.
The composition of the medicine core powder of the embodiment of the present invention seamless flux-cored wire of table 1（wt%）
In table 1, in raw material of the present invention, Al, Mg mass ratio are 1 in almag：1, Ti, Fe mass ratio are in ferrotianium
1：4, Mn, Fe mass ratio are 4 in low-carbon ferromanganese：1.
The filling rate of the medicine core powder of the embodiment seamless flux-cored wire of table 2（%）
The chemical composition and performance of mild-carbon steel strip used by flux-cored wire are prepared in embodiment respectively as shown in table 3, table 4.
Chemical composition of the embodiment of the present invention seamless flux-cored wire of table 3 from steel band（wt%）
Performance of the embodiment of the present invention seamless flux-cored wire of table 4 from steel band
Embodiment deposited metal composition and mechanical property are as shown in table 5, table 6.
The chemical composition of the embodiment of the present invention seamless flux-cored wire deposited metal of table 5
The mechanical property of the embodiment of the present invention seamless flux-cored wire deposited metal of table 6
To detect the capability of welding vertically upwards of embodiment, the larynx thickness such as institute of table 7 is welded as content, vertical fillet weld is judged to weld larynx thickness
Show.
The embodiment seamless flux-cored wire of table 7 welds larynx thickness
Claims (4)
1. a kind of good seamless flux-cored wire of the capability of welding vertically upwards, is made up of mild steel crust and medicine core powder, it is characterised in that：Press
Mass percent meter, medicine core powder is mixed by following components：Rutile 35%-50%, dehydration feldspar 2%-4%, almag 4%-
6%th, ferrotianium 2%-3%, low-carbon ferromanganese 9%-14%, zircon sand 1%-2%, aluminum oxide 3%-8%, quartz 4%-6%, sodium fluoride 0.5%-1%,
Surplus iron powder.
2. the good seamless flux-cored wire of a kind of the capability of welding vertically upwards as claimed in claim 1, it is characterised in that：The magnalium is closed
Al, Mg mass ratio are 1 in gold：1, Ti, Fe mass ratio are 1 in ferrotianium：4, Mn, Fe mass ratio are 4 in low-carbon ferromanganese：1.
3. the good seamless flux-cored wire of a kind of the capability of welding vertically upwards as claimed in claim 1, it is characterised in that：The medicine core powder
Filling rate be 14%-16%.
4. the preparation method of the good seamless flux-cored wire of a kind of the capability of welding vertically upwards as claimed in claim 1, it is characterised in that：
After medicine core powder is added into mild-carbon steel strip crust, through roll shaping and soldering, then annealed, tube reducing and copper facing, and then prepare
Seamless flux-cored wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073243.3A CN106736049B (en) | 2016-11-29 | 2016-11-29 | A kind of good seamless flux-cored wire of the capability of welding vertically upwards |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073243.3A CN106736049B (en) | 2016-11-29 | 2016-11-29 | A kind of good seamless flux-cored wire of the capability of welding vertically upwards |
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| CN106736049A true CN106736049A (en) | 2017-05-31 |
| CN106736049B CN106736049B (en) | 2019-04-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406159A (en) * | 2018-01-18 | 2018-08-17 | 洛阳双瑞特种合金材料有限公司 | A kind of high tenacity titanium alkaline seamless flux-cored wire suitable for all-position welding |
| CN111055040A (en) * | 2019-10-29 | 2020-04-24 | 洛阳双瑞特种合金材料有限公司 | Thermal crack resistant seamless flux-cored wire under large restraint condition |
| CN111761253A (en) * | 2020-06-22 | 2020-10-13 | 中国船舶重工集团公司第七二五研究所 | Seamless flux-cored wire for all-position welding of austenite ultralow-temperature steel and preparation method thereof |
| CN111843293A (en) * | 2020-05-11 | 2020-10-30 | 江苏大学 | Oxidized self-protection flux-cored wire and application |
| CN112108791A (en) * | 2020-08-12 | 2020-12-22 | 中国船舶重工集团公司第七二五研究所 | Alkaline seamless flux-cored wire for improving low-temperature toughness of low-alloy high-strength steel welding joint |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030052604A (en) * | 2001-12-21 | 2003-06-27 | 현대종합금속 주식회사 | Titania based flux cored wire |
| CN101412164A (en) * | 2008-11-28 | 2009-04-22 | 山东飞乐焊业有限公司 | Titanium type flux-cored wire with low total amount of fumes and preparation method thereof |
| CN103753055A (en) * | 2013-12-20 | 2014-04-30 | 中国船舶重工集团公司第七二五研究所 | Method for fabricating seamless tube welding wire containing rutile cored powders by mild-carbon steel strip |
| CN103878501A (en) * | 2013-11-29 | 2014-06-25 | 中国船舶重工集团公司第七二五研究所 | Metal-cored seamless flux-cored wire for high-strength steel |
| CN106078006A (en) * | 2016-07-07 | 2016-11-09 | 中国船舶重工集团公司第七二五研究所 | A kind of 550MPa high-strength steel ultralow-hydrogen low high tenacity seamless flux-cored wire |
-
2016
- 2016-11-29 CN CN201611073243.3A patent/CN106736049B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030052604A (en) * | 2001-12-21 | 2003-06-27 | 현대종합금속 주식회사 | Titania based flux cored wire |
| CN101412164A (en) * | 2008-11-28 | 2009-04-22 | 山东飞乐焊业有限公司 | Titanium type flux-cored wire with low total amount of fumes and preparation method thereof |
| CN103878501A (en) * | 2013-11-29 | 2014-06-25 | 中国船舶重工集团公司第七二五研究所 | Metal-cored seamless flux-cored wire for high-strength steel |
| CN103753055A (en) * | 2013-12-20 | 2014-04-30 | 中国船舶重工集团公司第七二五研究所 | Method for fabricating seamless tube welding wire containing rutile cored powders by mild-carbon steel strip |
| CN106078006A (en) * | 2016-07-07 | 2016-11-09 | 中国船舶重工集团公司第七二五研究所 | A kind of 550MPa high-strength steel ultralow-hydrogen low high tenacity seamless flux-cored wire |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406159A (en) * | 2018-01-18 | 2018-08-17 | 洛阳双瑞特种合金材料有限公司 | A kind of high tenacity titanium alkaline seamless flux-cored wire suitable for all-position welding |
| CN108406159B (en) * | 2018-01-18 | 2020-06-30 | 洛阳双瑞特种合金材料有限公司 | High-toughness titanium-alkali seamless flux-cored wire suitable for all-position welding |
| CN111055040A (en) * | 2019-10-29 | 2020-04-24 | 洛阳双瑞特种合金材料有限公司 | Thermal crack resistant seamless flux-cored wire under large restraint condition |
| CN111055040B (en) * | 2019-10-29 | 2021-11-30 | 中国船舶重工集团公司第七二五研究所 | Thermal crack resistant seamless flux-cored wire under large restraint condition |
| CN111843293A (en) * | 2020-05-11 | 2020-10-30 | 江苏大学 | Oxidized self-protection flux-cored wire and application |
| CN111761253A (en) * | 2020-06-22 | 2020-10-13 | 中国船舶重工集团公司第七二五研究所 | Seamless flux-cored wire for all-position welding of austenite ultralow-temperature steel and preparation method thereof |
| CN111761253B (en) * | 2020-06-22 | 2022-04-19 | 中国船舶重工集团公司第七二五研究所 | Seamless flux-cored wire for all-position welding of austenite ultralow-temperature steel and preparation method thereof |
| CN112108791A (en) * | 2020-08-12 | 2020-12-22 | 中国船舶重工集团公司第七二五研究所 | Alkaline seamless flux-cored wire for improving low-temperature toughness of low-alloy high-strength steel welding joint |
| CN112108791B (en) * | 2020-08-12 | 2022-03-11 | 中国船舶重工集团公司第七二五研究所 | Alkaline seamless flux-cored wire for improving low-temperature toughness of low-alloy high-strength steel welding joint |
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Effective date of registration: 20210122 Address after: No. 169, Binhe South Road, Luolong District, Luoyang City, Henan Province Patentee after: NO.725 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. Address before: 471000 No.20, Yanguang Road, Luoyang hi tech Development Zone, Luoyang City, Henan Province Patentee before: LUOYANG SHUANGRUI SPEICAL ALLOY MATERIAL Co.,Ltd. |
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