CN103962747A - Nickel base alloy welding wire with diameter smaller than 3 mm - Google Patents
Nickel base alloy welding wire with diameter smaller than 3 mm Download PDFInfo
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- CN103962747A CN103962747A CN201410207777.5A CN201410207777A CN103962747A CN 103962747 A CN103962747 A CN 103962747A CN 201410207777 A CN201410207777 A CN 201410207777A CN 103962747 A CN103962747 A CN 103962747A
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- welding wire
- nickel
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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
- B23K35/24—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
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major 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
- B23K35/40—Making wire or rods for soldering or welding
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/053—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 30% but less than 40%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
Abstract
The invention relates to a nickel base alloy welding wire. Alloy of the nickel base alloy welding wire comprises, by mass, 0.4%-0.45% of C, 1.0%-1.5% of Mn, 0.15%-1.2% of Si, 0.025% or less of P, 0.02% or less of S, 28%-30% of Cr, 49%-51% of Ni, 0.1% or less of Co, 0.1% or less of Mo, 0.1% or less of Ti, 0.1% or less of Al, 4.0%- 5% of W and the balance being Fe. A method for preparing the nickel base alloy welding wire includes the steps of alloy smelting, electroslag remelting, hot forging and blooming, hot rolling and annealing, acid pickling and coping, cold drawing and hydrogen withdrawing. A CaF2 slag system, an Al2O3 slag system and a CaO slag system are adopted in electroslag remelting. Through the method for preparing the nickel base alloy welding wire, the thin welding wire with the performance meeting requirements can be prepared, and the yield is high.
Description
Technical field
The present invention relates to a kind of welding wire, belong to alloy technology field.
Background technology
Cr28Ni48W5 nickel-base alloy, has very high resistance to elevated temperatures, can make welding wire for repairing refractory metal material.But in Cr28Ni48W5 alloy, chromium constituent content is higher and contain W elements, the constituent content such as aluminium, titanium is lower, so Cr28Ni48W5 alloy working plasticity is poor, is a kind of high temperature solder wire material of difficult distortion, be generally used for the thicker welding wire of manufacture, when welding wire is thinner, lumber recovery is extremely low.
Chinese patent literature CN 101249591 discloses a kind of nickel-based welding wire and preparation technology thereof, and this welding wire nickel content is high, and not containing W elements, it is made by vacuum metling-electroslag remelting-forging-hot rolling-wire drawing-annealing process.
Chinese patent literature CN 102912151 discloses a kind of ultrapure electro-slag re-melting method of high performance corrosion resistant alloy, there are following steps: by the food ingredient of certainly molten electrode bar, be by weight: Ni:25～34 part, Cr:25～29 part, Mo:2.5～4.5 part, Fe:30～45 part, through vacuum induction melting, make from molten electrode bar; From molten electrode bar, in slag charge proportioning, be by weight: CaF
2: 55～80 parts, CaO:5～25 part, Al
2o
3: slowly fusing in the melting electroslag remelting slag charge of 5～15 parts, MgO:5～10 part, purify, at crystallizer again crystallization, obtain ESR ingot; ESR ingot, at the temperature of 1130 ± 5 ℃, is forged into bar, and solution treatment obtains high performance corrosion resistant alloy.Adopt the inventive method can reduce the content of the harmful elements such as sulphur in alloy, phosphorus, improve the Impurity Distribution situation of alloy, be beneficial to thinning microstructure, improve its hot-working character and lumber recovery.This welding wire nickel content is lower, and iron content is higher, and does not contain W elements.
Summary of the invention
The object of this invention is to provide a kind of alloy composition, manufacturing process is optimized, the nickel-base alloy that can be Cr28Ni48W5 by the trade mark is made compared with thin welding wire and the higher nickel-base alloy bare welding filler metal of lumber recovery.
In order to solve the problems of the technologies described above, the technical scheme that realizes the object of the invention is a kind of nickel-base alloy bare welding filler metal, and it is obtained by the method for being prepared as follows, and the concrete steps that the method comprises are as follows:
A. alloy melting, is C:0.4%～0.45% according to the component of alloy and mass percent, Mn:1.0%～1.5%, Si:0.15%～1.2%, P≤0.025%, S≤0.02%, Cr:28%～30%, Ni:49%～51%, Co≤0.1%, Mo≤0.1%, Ti≤0.1%, Al≤0.1%, W:4.0%～5.0%, all the other are iron, prepare burden, raw material is dropped in vaccum sensitive stove and carries out melting, pour into electrode bar;
B. electroslag remelting, adopts the electroslag remelting equipment of prior art, and after grinding process is carried out on the surface of electrode bar, in consutrode inserts slag, slag adopts CaF
2, Al
2o
3, CaO slag system, CaF in slag system
2mass percentage content be 75%～85%, Al
2o
3mass percentage content be 12%～18%, CaO mass percentage content is 4%～6%, electric current 2100A～2300A, the steel ingot feeding electric current 0A～1500A that binds, the time 3min～5min that binds, the cooling 5min～10min that has a power failure takes off ingot, in air, be cooled to normal temperature, obtain alloy pig;
C. hot forging, the heating furnace of alloy pig being put into initial temperature≤600 ℃ heats, and is warming up to 1210 ℃～1250 ℃, after insulation 50min～80min, forges, and is forged into alloy preform, is cooled to normal temperature in air;
D. hot-roll annealing, by after alloy preform figuring of surface, is heated to 1080 ℃～1120 ℃ and carries out hot rolling, is rolled into dish unit silk material, is cooled to normal temperature in air;
E. pickling, reconditioning, carry out pickling by dish unit silk material with sulfuric acid, then finishing polishing;
F. cold drawn, adopt existing cold-drawing process, will coil the progressively drawing-down of unit's silk material, until silk material diameter≤3mm;
G. hydrogen moves back, and the dish unit silk material after cold drawn processing is warming up to 1035 ℃～1065 ℃ and carries out hydrogen and move back processing, aligning after hydrogen moves back and processes.
CaF in above-mentioned slag system
2mass percentage content be 80%, Al
2o
3mass percentage content be 15%, CaO mass percentage content is 5%.
The mass percentage content of above-mentioned Si in alloy is 0.15%～0.8%.
The mass percentage content of above-mentioned Mn in alloy is 1.0%～1.2%.
The diameter of above-mentioned electrode bar is 80mm.
Temperature retention time in above-mentioned steps C is 60min.
The cooling 5min that has a power failure in above-mentioned steps B takes off ingot.
In above-mentioned steps D, alloy preform is rolled into the dish unit silk material that diameter is 8mm; Cold-drawing process in described step F is according to silk material diameter: 8mm-7mm-6mm-5mm-4.2mm-3.5mm-2.8mm-2.4mm, carries out successively wire drawing and at silk material diameter, is that 7mm and a silk material diameter carry out pickling with sulfuric acid while being 2.8mm respectively.
In order to solve the problems of the technologies described above, to realize the present invention a kind of nickel-base alloy bare welding filler metal being made by the preparation method of above-mentioned nickel-base alloy bare welding filler metal is also provided.
The present invention has positive effect:
(1) the Si element in welding wire is conducive on the surface of weld seam, form oxide-film, improves the non-oxidizability of weld seam when high temperature, Si or good deoxidier simultaneously, and can increase the mobility of slag and deposite metal.But in general Cr28Ni48W5 alloy, Si content is that 1% to 2%, Si too high levels easily produces formation slag inclusion, and On Impact Toughness also has impact.Si element in nickel-base alloy bare welding filler metal alloy composition of the present invention has carried out strict control, is conducive to improve the plasticity of material, so that alloy is processed into thinner welding wire.
(2) the Mn element in welding wire is good desulfurizing agent, is also solution strengthening element simultaneously, can improve intensity and the hardness of weld seam, but in general Cr28Ni48W5 alloy, Mn content is 1.5% left and right.Mn element in nickel-base alloy bare welding filler metal alloy composition of the present invention has carried out strict control, is conducive to improve the plasticity of material, so that alloy is processed into thinner welding wire.
(3) nickel-base alloy bare welding filler metal alloy composition of the present invention is optimized, and the proportioning of Ni, Cr, these three essential elements of W has guaranteed the welding performance of welding wire.Control the content of the elements such as Co, Mo, Ti, Al, the plasticity that is also conducive to improve material is convenient to alloy to be processed into thinner welding wire.
(4) nickel-base alloy bare welding filler metal of the present invention has strictly been controlled the content of Mn and Si, yet Mn and Si combined deoxidation are the most effective deoxidation modes, in order to guarantee when the content of Mn and Si reduces, do not affect other performances of welding wire, the present invention is in preparation process, adopt the technique of vacuum metling, be conducive to reduce and lower gas content and harmful element content, not oxidizable with the elements such as Al, Ti that may exist season.The present invention has also adopted electroslag remelting process in preparation process, be conducive to purify metal, remove significantly non-metallic inclusion, after electroslag remelting pure, the dense structure of alloy, composition evenly, any surface finish, can be so that the quality and performance of alloy pig be improved, plasticity and impact flexibility under low temperature, room temperature and the high temperature of alloy are strengthened, alloy pig is processed into compared with thin welding wire and can effectively improves lumber recovery.The slag system of electroslag remelting of the present invention is selected according to the composition of alloy, preferably CaF
2: Al
2o
3: CaO=80:15:5, thus fusing point, electrical conductivity, viscosity are all matched with alloying component, can farthest purify alloy.
(5) technique that nickel-base alloy bare welding filler metal of the present invention has also adopted hydrogen to move back in preparation process, can reduce the hardness of welding wire, improve plasticity, eliminate internal stress, thinning microstructure and elimination tissue odds and property, make grain structure more even, surface is fine and smooth, bright, welding wire is soft, without magnetic, fatigue resistance is good, stretching force is large.
(6) nickel-base alloy bare welding filler metal of the present invention adopts the nickel-base alloy that the trade mark is Cr28Ni48W5, by the optimization of alloying component and manufacturing process, can make the welding wire below diameter 3mm, and lumber recovery is more than 96%.
The specific embodiment
Embodiment 1
The nickel-base alloy bare welding filler metal of the present embodiment, the component of alloy and mass percent are C:0.41%, Mn:1.02%, Si:0.57%, P:0.02%, S:0.02%, Cr:28.32%, Ni:49.58%, Co:0.08%, Mo:0.09%, Ti:0.08%, Al:0.07%, W:4.81%, all the other are iron.
Preparation method's concrete steps of the nickel-base alloy bare welding filler metal of the present embodiment are as follows:
A. alloy melting, according to the component of alloy and mass percent, prepare burden, raw material after surface derusting and greasy dirt is dropped in vaccum sensitive stove, after charging, start to vacuumize, until pressure is while reaching 0.67Pa, start power transmission heating furnace charge, temperature is controlled at 1600 ℃ of left and right, vacuum degree control is at 0.1～1Pa, after furnace charge melts clearly, add immediately appropriate blocky graphite or other high-carbon materials to carry out reaction between carbon and oxygen, fully deoxidation, degas, after volatilization field trash, add intermediate alloy fragment, add the high-power stirring 2min of rear use, accelerate the fusing of alloy and be evenly distributed, because the volatility of Mn is stronger, generally before tapping, 5min adds, after alloying, temperature and composition are qualified pourable, tapping temperature is 1590 ℃.Pour into the electrode bar that diameter is 80mm.
B. electroslag remelting, adopts the electroslag remelting equipment of prior art, and after grinding process is carried out on the surface of electrode bar, in consutrode inserts slag, slag adopts CaF
2, Al
2o
3, CaO slag system, CaF in slag system
2mass percentage content be 80%, Al
2o
3mass percentage content be 15%, CaO mass percentage content is 5%, electric current 2100A～2300A, the steel ingot feeding electric current 0A～1500A that binds, the time 3min～5min that binds, the cooling 5min that has a power failure takes off ingot, is cooled to normal temperature in air, obtains alloy pig.
C. hot forging, the heating furnace of alloy pig being put into initial temperature≤600 ℃ heats, and is warming up to 1230 ℃ of left and right, after insulation 60min, forges, and is forged into the square alloy preform of 50mm * 50mm, is cooled to normal temperature in air.
D. hot-roll annealing, by after alloy preform figuring of surface, is heated to 1100 ℃ of left and right and carries out hot rolling, and being rolled into diameter is the dish unit silk material of 8mm, is cooled to normal temperature in air.
E. pickling, reconditioning, carry out pickling by dish unit silk material with sulfuric acid, then finishing polishing.
F. cold drawn, adopt existing cold-drawing process, according to silk material diameter: 8mm-7mm-6mm-5mm-4.2mm-3.5mm-2.8mm-2.4mm, carry out successively wire drawing and at silk material diameter, be that 7mm and a silk material diameter carry out pickling with sulfuric acid while being 2.8mm respectively.
G. hydrogen moves back, and the dish unit silk material after cold drawn processing is warming up to 1050 ℃ and carries out hydrogen and move back processing, aligning after hydrogen moves back and processes.
Embodiment 2
The nickel-base alloy bare welding filler metal of the present embodiment, the component of alloy and mass percent are C:0.45%, Mn:1.18%, Si:0.15%, P:0.02%, S:0.02%, Cr:29.51%, Ni:50.32%, Co:0.08%, Mo:0.09%, Ti:0.08%, Al:0.07%, W:4.15%, all the other are iron.
The preparation method of the nickel-base alloy bare welding filler metal of the present embodiment is identical with embodiment 1.
Embodiment 3
The nickel-base alloy bare welding filler metal of the present embodiment, the component of alloy and mass percent are C:0.42%, Mn:1.12%, Si:0.50%, P:0.02%, S:0.02%, Cr:29.22%, Ni:50.06%, Co:0.08%, Mo:0.09%, Ti:0.08%, Al:0.07%, W:4.53%, all the other are iron.
The preparation method of the nickel-base alloy bare welding filler metal of the present embodiment is identical with embodiment 1.
Embodiment 4
The nickel-base alloy bare welding filler metal of the present embodiment, the component of alloy and mass percent are C:0.41%, Mn:1.03%, Si:0.45%, P:0.02%, S:0.02%, Cr:29.50%, Ni:50%, Co:0.03%, Mo:0.06%, Ti:0.07%, Al:0.02%, W:4.89%, all the other are iron.
The preparation method of the nickel-base alloy bare welding filler metal of the present embodiment is identical with embodiment 1.
Embodiment 5
The nickel-base alloy bare welding filler metal of the present embodiment, the component of alloy and mass percent are C:0.42%, Mn:1.10%, Si:0.33%, P:0.02%, S:0.01%, Cr:29.19%, Ni:50.68%, Co:0.03%, Mo:0.05%, Ti:0.02%, Al:0.04%, W:4.26%, all the other are iron.
The preparation method of the nickel-base alloy bare welding filler metal of the present embodiment is identical with embodiment 1.
Comparative example 1(trial-production)
The nickel-base alloy bare welding filler metal of this comparative example, the component of alloy and mass percent are C:0.51%, Mn:1.40%, Si:1.78%, P:0.02%, S:0.01%, Cr:29.23%, Ni:48.68%, Co:0.02%, Mo:0.03%, Ti:0.02%, Al:0.05%, W:4.54%, all the other are iron.The nickel-base alloy bare welding filler metal of this comparative example meets the trade mark: the composition requirement of Cr28Ni48W5 nickel-base alloy.
The preparation method of the nickel-base alloy bare welding filler metal of this comparative example is substantially the same manner as Example 1, and difference is: when a silk material diameter is drawn to 3.5mm, pass through smoothly, but when a silk material diameter is drawn to 2.8mm, frequently occur the phenomenon broken, cannot proceed drawing.
1, welding wire surface quality.
The nickel-base alloy bare welding filler metal any surface finish of the embodiment of the present invention 1 to 5, does not have cut, crackle, pit, pit.
2, welding technological properties.
8mm corrosion resistant plate with the nickel-base alloy bare welding filler metal of the embodiment of the present invention 1 to 5 to 1Cr18Ni9Ti, carries out butt weld welding, and striking is easy, and electric arc is steady, weld seam flawless.
The method of the embodiment of the present invention 1 to 5 is made the nickel-base alloy bare welding filler metal that diameter is 2.4mm, and its lumber recovery is all more than 96%, and welding performance reaches the requirement that the trade mark is the nickel-base alloy scolder of Cr28Ni48W5 completely.
Nickel-base alloy bare welding filler metal of the present invention and preparation method thereof is not limited to the various embodiments described above.Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (1)
1. a nickel-base alloy bare welding filler metal, is characterized in that, it is obtained by the method for being prepared as follows, and the party comprises the steps:
A. alloy melting: according to the component of alloy and mass percent, be C:0.4%～0.45%, Mn:1.0%～1.5%, Si:0.15%～1.2%, P≤0.025%, S≤0.02%, Cr:28%～30%, Ni:49%～51%, Co≤0.1%, Mo≤0.1%, Ti≤0.1%, Al≤0.1%, W:4.0%～5.0%, all the other are iron, prepare burden, after melting, pour into electrode bar;
B. electroslag remelting: adopt electroslag remelting equipment, in consutrode inserts slag, slag adopts CaF after grinding process is carried out on the surface of electrode bar
2, Al
2o
3, CaO slag system, CaF in slag system
2mass percentage content be 75%～85%, Al
2o
3mass percentage content be 12%～18%, CaO mass percentage content is 4%～6%, the cooling 5min～10min that has a power failure takes off ingot, is cooled to normal temperature, obtains alloy pig;
C. hot forging: the heating furnace of alloy pig being put into initial temperature≤600 ℃ heats, and is warming up to 1210 ℃～1250 ℃, forges after insulation 50min～80min, is forged into alloy preform, is cooled to normal temperature;
D. hot-roll annealing: be heated to 1080 ℃～1120 ℃ and carry out hot rolling, be rolled into dish unit silk material, be cooled to normal temperature in air;
E. pickling, reconditioning: dish unit silk material is carried out to pickling with sulfuric acid, then finishing polishing;
F. cold drawn: to adopt existing cold-drawing process, will coil the progressively drawing-down of unit's silk material, until silk material diameter≤3mm;
G. hydrogen moves back: the dish unit silk material after cold drawn processing is warming up to 1035 ℃～1065 ℃ and carries out hydrogen and move back processing, aligning after hydrogen moves back and processes;
Wherein, the de-ingot of cooling 5min that has a power failure in described step B;
In described step D, alloy preform is rolled into the dish unit silk material that diameter is 8mm;
Cold-drawing process in described step F is according to silk material diameter: 8mm-7mm-6mm-5mm-4.2mm-3.5mm-2.8mm-2.4mm, carries out successively wire drawing and at silk material diameter, is that 7mm and a silk material diameter carry out pickling with sulfuric acid while being 2.8mm respectively.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108376A (en) * | 2015-08-13 | 2015-12-02 | 江苏新航合金科技有限公司 | Nickel alloy high-temperature-resistant welding wire |
| CN108000003A (en) * | 2017-12-04 | 2018-05-08 | 丹阳市盛亿润合金有限公司 | A kind of preparation method of high-performance nickel-base alloy bare welding filler metal |
| CN110042263A (en) * | 2019-04-23 | 2019-07-23 | 丹阳市海威电热合金有限公司 | The preparation method of nickel chromium high-temperature alloy silk |
| CN111057937A (en) * | 2019-12-31 | 2020-04-24 | 江苏新华合金有限公司 | Electrothermal alloy iron-chromium-aluminum wire material and preparation method thereof |
| CN113878261A (en) * | 2021-09-06 | 2022-01-04 | 贵州航天新力科技有限公司 | Nickel-based high-temperature alloy welding material and preparation method thereof |
| CN114654131A (en) * | 2020-12-23 | 2022-06-24 | 丹阳市凯鑫合金材料有限公司 | Preparation method of high-temperature-resistant corrosion-resistant nickel-based alloy welding wire |
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| CN105108376A (en) * | 2015-08-13 | 2015-12-02 | 江苏新航合金科技有限公司 | Nickel alloy high-temperature-resistant welding wire |
| CN108000003A (en) * | 2017-12-04 | 2018-05-08 | 丹阳市盛亿润合金有限公司 | A kind of preparation method of high-performance nickel-base alloy bare welding filler metal |
| CN110042263A (en) * | 2019-04-23 | 2019-07-23 | 丹阳市海威电热合金有限公司 | The preparation method of nickel chromium high-temperature alloy silk |
| CN111057937A (en) * | 2019-12-31 | 2020-04-24 | 江苏新华合金有限公司 | Electrothermal alloy iron-chromium-aluminum wire material and preparation method thereof |
| CN114654131A (en) * | 2020-12-23 | 2022-06-24 | 丹阳市凯鑫合金材料有限公司 | Preparation method of high-temperature-resistant corrosion-resistant nickel-based alloy welding wire |
| CN113878261A (en) * | 2021-09-06 | 2022-01-04 | 贵州航天新力科技有限公司 | Nickel-based high-temperature alloy welding material and preparation method thereof |
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