CN107127478A - A kind of flux-cored wire - Google Patents
A kind of flux-cored wire Download PDFInfo
- Publication number
- CN107127478A CN107127478A CN201710346765.4A CN201710346765A CN107127478A CN 107127478 A CN107127478 A CN 107127478A CN 201710346765 A CN201710346765 A CN 201710346765A CN 107127478 A CN107127478 A CN 107127478A
- Authority
- CN
- China
- Prior art keywords
- powder
- flux
- cored wire
- slag former
- medicine core
- Prior art date
- 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.)
- Granted
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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
- B23K35/22—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
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- 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
- B23K35/36—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
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
Abstract
The invention discloses a kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight of the medicine core includes：Graphite 1 2%, chromium powder 15 17%, manganese powder 1 2%, nickel powder 4 6%, niobium powder 4 6%, 13 parts of vanadium powder, titanium dioxide 1 1.5%, silica 0.5 1%, rheium oxide 4 5%, cerium oxide 4 5%, slag former, Oxidizing and Reducing Agents, surplus is iron powder.The present invention is cooperated by each material, the problem of can substantially reducing spatter so that the welding coating porosity is low, and coating structure is fine and close, good toughness, and intensity is high.
Description
Technical field
The present invention relates to welding wire technology field, more particularly to a kind of flux-cored wire.
Background technology
Bead weld repair is carried out to damaging metal parts using flux-cored wire, can damage metal parts to recycle, reduce
The waste of part, but in weld deposit process, easily produce splashing so that there is stomata in welding coating, coating easily ftractures.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of flux-cored wire, and the present invention passes through each material
Cooperate, the problem of can substantially reducing spatter so that the welding coating porosity is low, coating structure is fine and close, good toughness, by force
Degree is high.
A kind of flux-cored wire proposed by the present invention, including mild-carbon steel strip crust and medicine core, wherein, the raw material of the medicine core is pressed
Percentage by weight includes：Graphite 1-2%, chromium powder 15-17%, manganese powder 1-2%, nickel powder 4-6%, niobium powder 4-6%, 1-3 parts of vanadium powder,
Titanium dioxide 1-1.5%, silica 0.5-1%, rheium oxide 4-5%, cerium oxide 4-5%, slag former, oxidant and reduction
Agent, surplus is iron powder.
Preferably, cerium oxide, slag former, the weight ratio of Oxidizing and Reducing Agents are 4-5：6-7：13-15：2-4.
Preferably, slag former is calcirm-fluoride, sodium fluozirconate.
Preferably, calcirm-fluoride, the weight ratio of sodium fluozirconate are 7-8：1.
Preferably, reducing agent is magnesia, wherein, the content of magnesia is 95-98wt%.
Preferably, oxidant is lithium carbonate and di-iron trioxide.
Preferably, the weight ratio of lithium carbonate and di-iron trioxide is 4-6：1.
Flux-cored wire of the present invention is prepared according to the conventional flux-cored wire preparation technology in this area, and each raw material is put into
Mixer is well mixed, crust mild-carbon steel strip, using flux-cored wire production equipment, is obtained through curling, drawing.
The present invention is cooperated from calcirm-fluoride and sodium fluozirconate, gasifies to form a floor dynamic gas cage in welding arc area
Wire segment portion is covered on, it is mobile with the movement of electric arc to play a part of air-isolation, and molten drop surface tension can be reduced, promote molten
Drop refinement, so as to substantially reduce the porosity of welding coating；On the one hand magnesia can reduce molten drop surface tension with air-isolation,
On the other hand the oxygen content in final welding coating can be controlled by the precipitation desoxydation of precedent desoxydation, molten drop and molten bath stage,
Reduce the fragility of coating；Lithium carbonate and di-iron trioxide cooperate, and on the one hand can be heated release gas, improve electric arc and blow
Power, so as to avoid the problem of undue deoxidation of magnesia causes insufficient (incomplete) penetration, increases fusion penetration；On the other hand molten drop surface can be reduced
Power, promotes molten drop refinement, makes the droplet transfer more steady, it is possible to play nitrogen fixation；Above-mentioned slag former, oxidant and reduction
Agent is cooperated with proper ratio can substantially reduce spatter, reduce the porosity, and reduce coating fragility；Graphite and chromium powder
Carbide can be formed, and perpendicular to the bond strength of matrix surface growth, the intensity of increase coating, and coating and matrix；Manganese
Powder, nickel powder, niobium powder, vanadium powder, titanium dioxide, silica, rheium oxide, cerium oxide cooperate, and can form small and dispersed phase
With new solution strengthening phase so that welding coating tissue fine uniform, greatly increases the intensity and toughness of coating；And magnesium
Sand, rheium oxide, cerium oxide cooperate, and can purify welding coating, substantially reduce objectionable impurities in steel, so as to further increase
The toughness and intensity of the present invention；Above-mentioned each material cooperates, the problem of can substantially reducing spatter so that welding coating gas
Porosity is low, and coating structure is fine and close, good toughness, and intensity is high.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight bag of the medicine core
Include：Graphite 1.5%, chromium powder 16%, manganese powder 1.5%, nickel powder 5%, niobium powder 5%, 2 parts of vanadium powder, titanium dioxide 1.2%, titanium dioxide
Silicon 0.7%, rheium oxide 4.5%, cerium oxide 4.5%, slag former, Oxidizing and Reducing Agents, surplus is iron powder.
Embodiment 2
A kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight bag of the medicine core
Include：Graphite 1%, chromium powder 17%, manganese powder 1%, nickel powder 6%, niobium powder 4%, 3 parts of vanadium powder, titanium dioxide 1%, silica 1 %,
Rheium oxide 4%, cerium oxide 5%, slag former, Oxidizing and Reducing Agents, surplus is iron powder；
Wherein, cerium oxide, slag former, the weight ratio of Oxidizing and Reducing Agents are 5：6：15：2；
Slag former be calcirm-fluoride, sodium fluozirconate, wherein, calcirm-fluoride, sodium fluozirconate weight ratio be 8：1；
Reducing agent is magnesia, wherein, the content of magnesia is 95wt%；
Oxidant is lithium carbonate and di-iron trioxide；The weight ratio of lithium carbonate and di-iron trioxide is 6：1.
Embodiment 3
A kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight bag of the medicine core
Include：Graphite 2%, chromium powder 15%, manganese powder 2%, nickel powder 4%, niobium powder 6%, 1 part of vanadium powder, titanium dioxide 1.5%, silica
0.5%, rheium oxide 5%, cerium oxide 4%, slag former, Oxidizing and Reducing Agents, surplus is iron powder；
Wherein, cerium oxide, slag former, the weight ratio of Oxidizing and Reducing Agents are 4：7：13：4；
Slag former be calcirm-fluoride, sodium fluozirconate, wherein, calcirm-fluoride, sodium fluozirconate weight ratio be 7：1；
Reducing agent is magnesia, wherein, the content of magnesia is 98wt%；
Oxidant is lithium carbonate and di-iron trioxide；The weight ratio of lithium carbonate and di-iron trioxide is 4：1.
Embodiment 4
A kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight bag of the medicine core
Include：Graphite 1.2%, chromium powder 16.5%, manganese powder 1.3%, nickel powder 5.5%, niobium powder 4.5%, 2.5 parts of vanadium powder, titanium dioxide
1.1%, silica 0.8%, rheium oxide 4.3%, cerium oxide 4.7%, slag former, Oxidizing and Reducing Agents, surplus is iron powder；
Wherein, cerium oxide, slag former, the weight ratio of Oxidizing and Reducing Agents are 4.7：6.2：14.5：2.5；
Slag former be calcirm-fluoride, sodium fluozirconate, wherein, calcirm-fluoride, sodium fluozirconate weight ratio be 7.8：1；
Reducing agent is magnesia, wherein, the content of magnesia is 96wt%；
Oxidant is lithium carbonate and di-iron trioxide；The weight ratio of lithium carbonate and di-iron trioxide is 5.5：1.
Embodiment 5
A kind of flux-cored wire, including mild-carbon steel strip crust and medicine core, wherein, the raw materials by weight bag of the medicine core
Include：Graphite 1.8%, chromium powder 15.5%, manganese powder 1.7%, nickel powder 4.5%, niobium powder 5.5%, 1.5 parts of vanadium powder, titanium dioxide
1.3%, silica 0.6%, rheium oxide 4.7%, cerium oxide 4.3%, slag former, Oxidizing and Reducing Agents, surplus is iron powder；
Wherein, cerium oxide, slag former, the weight ratio of Oxidizing and Reducing Agents are 4.3：6.8：13.5：3.5；
Slag former be calcirm-fluoride, sodium fluozirconate, wherein, calcirm-fluoride, sodium fluozirconate weight ratio be 7.2：1；
Reducing agent is magnesia, wherein, the content of magnesia is 97wt%；
Oxidant is lithium carbonate and di-iron trioxide；The weight ratio of lithium carbonate and di-iron trioxide is 4.5：1.
Example 1-5, carries out built-up welding to Q235 steel plates, obtains the coating of same thickness, and carries out performance test to it,
As a result it is as follows：
The present invention splashes small in welding as can be seen from the above table, the welding coating good toughness of formation.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of flux-cored wire, it is characterised in that including mild-carbon steel strip crust and medicine core, wherein, the raw material of the medicine core is by weight
Amount percentage includes：Graphite 1-2%, chromium powder 15-17%, manganese powder 1-2%, nickel powder 4-6%, niobium powder 4-6%, 1-3 parts of vanadium powder, two
Titanium oxide 1-1.5%, silica 0.5-1%, rheium oxide 4-5%, cerium oxide 4-5%, slag former, Oxidizing and Reducing Agents,
Surplus is iron powder.
2. flux-cored wire according to claim 1, it is characterised in that cerium oxide, slag former, the weight of Oxidizing and Reducing Agents
Than for 4-5：6-7：13-15：2-4.
3. flux-cored wire according to claim 1 or claim 2, it is characterised in that slag former is calcirm-fluoride, sodium fluozirconate.
4. flux-cored wire according to claim 3, it is characterised in that calcirm-fluoride, the weight ratio of sodium fluozirconate are 7-8：1.
5. according to any one of the claim 1-4 flux-cored wires, it is characterised in that reducing agent is magnesia, wherein, magnesia contains
Measure as 95-98wt%.
6. according to any one of the claim 1-5 flux-cored wires, it is characterised in that oxidant is lithium carbonate and three oxidations two
Iron.
7. flux-cored wire according to claim 6, it is characterised in that the weight ratio of lithium carbonate and di-iron trioxide is 4-6：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346765.4A CN107127478B (en) | 2017-05-17 | 2017-05-17 | Flux-cored wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710346765.4A CN107127478B (en) | 2017-05-17 | 2017-05-17 | Flux-cored wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107127478A true CN107127478A (en) | 2017-09-05 |
| CN107127478B CN107127478B (en) | 2020-10-13 |
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ID=59732384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710346765.4A Active CN107127478B (en) | 2017-05-17 | 2017-05-17 | Flux-cored wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107127478B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570910A (en) * | 2017-10-18 | 2018-01-12 | 柳州凯通新材料科技有限公司 | A kind of highly wear-resisting alloy steel welding wire medicine core |
| CN110026708A (en) * | 2019-05-16 | 2019-07-19 | 江苏师范大学 | One kind O containing nano Ce2, Nb welding wire and its application method |
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| CN1799755A (en) * | 2005-01-03 | 2006-07-12 | 林肯环球公司 | Cored electrode for reducing diffusible hydrogen |
| CN1846928A (en) * | 2005-04-05 | 2006-10-18 | 林肯环球公司 | Flux cored electrode with fluorine |
| CN104551437A (en) * | 2014-11-13 | 2015-04-29 | 上海施威重工成套有限公司 | Manufacture technology of submerged-arc welding tubular flux-cored wire |
| CN106112311A (en) * | 2016-08-05 | 2016-11-16 | 天长市通联焊业有限公司 | A kind of flux-cored wire with excellent toughness |
| CN106141485A (en) * | 2016-07-29 | 2016-11-23 | 安徽飞狐焊业股份有限公司 | A kind of high-performance flux-cored wire |
| CN106514047A (en) * | 2016-12-09 | 2017-03-22 | 天长市通联焊业有限公司 | Wear-resistant flux-cored wire for stainless steel |
-
2017
- 2017-05-17 CN CN201710346765.4A patent/CN107127478B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1799755A (en) * | 2005-01-03 | 2006-07-12 | 林肯环球公司 | Cored electrode for reducing diffusible hydrogen |
| CN1846928A (en) * | 2005-04-05 | 2006-10-18 | 林肯环球公司 | Flux cored electrode with fluorine |
| CN104551437A (en) * | 2014-11-13 | 2015-04-29 | 上海施威重工成套有限公司 | Manufacture technology of submerged-arc welding tubular flux-cored wire |
| CN106141485A (en) * | 2016-07-29 | 2016-11-23 | 安徽飞狐焊业股份有限公司 | A kind of high-performance flux-cored wire |
| CN106112311A (en) * | 2016-08-05 | 2016-11-16 | 天长市通联焊业有限公司 | A kind of flux-cored wire with excellent toughness |
| CN106514047A (en) * | 2016-12-09 | 2017-03-22 | 天长市通联焊业有限公司 | Wear-resistant flux-cored wire for stainless steel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107570910A (en) * | 2017-10-18 | 2018-01-12 | 柳州凯通新材料科技有限公司 | A kind of highly wear-resisting alloy steel welding wire medicine core |
| CN110026708A (en) * | 2019-05-16 | 2019-07-19 | 江苏师范大学 | One kind O containing nano Ce2, Nb welding wire and its application method |
| CN110026708B (en) * | 2019-05-16 | 2021-06-11 | 江苏师范大学 | Welding method of dual-phase steel |
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| Publication number | Publication date |
|---|---|
| CN107127478B (en) | 2020-10-13 |
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