CN108687462A - A kind of anti abrasive flux-cored wire - Google Patents
A kind of anti abrasive flux-cored wire Download PDFInfo
- Publication number
- CN108687462A CN108687462A CN201710231013.3A CN201710231013A CN108687462A CN 108687462 A CN108687462 A CN 108687462A CN 201710231013 A CN201710231013 A CN 201710231013A CN 108687462 A CN108687462 A CN 108687462A
- Authority
- CN
- China
- Prior art keywords
- flux
- solder flux
- cored wire
- elements
- mass percent
- 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.)
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of anti abrasive flux-cored wires, and solder flux is filled in outer layer sheetmetal, and mass percent of each element contained in solder flux in solder flux gross mass is respectively:C:4.2%~6.8%, Mn:0.5%~0.7%, Si:0.6%~0.8%, Cr:18%~26%, Nb:6.6%~7.0%, remaining ingredient is Fe, wherein the whole NbC ingredients in solder flux of the quality of the Nb.Flux-cored wire in the present invention adds the hard phases such as a large amount of NbC in solder flux, make hardfacing alloy that there is Abrasive Resistance of Stubble-cleaning more superior than the rich chromium cast iron of routine, hardfacing can be carried out on the surface of carbon steel, low-alloy steel, manganese steel and cast iron etc., the abrasive wear resistance operating mode being suitable under middle low stress.
Description
Technical field
The present invention relates to technical field of welding materials, specially a kind of anti abrasive flux-cored wire.
Background technology
Flux-cored wire is also known as flux cored wire, can be by adjusting the alloying component type and ratio of medicinal powder, easily
The welding material for designing various different purposes (wear-resisting, high-strength, heat-resisting, anti-corrosion, low temperature resistant etc.), because its alloying component can
Flexible and convenient adjustment can not be smelted and be rolled so many kinds of flux-cored wire are solid welding wires, while flux-cored wire
The characteristics of due to product structure, welding technological properties and welding efficiency compare solid core welding wire, and stick electrode is advantageously.Make at present
Wear-resistant flux-cored wire generally adds rich chromium cast iron in medicine core powder, using the wear-resisting property that rich chromium cast iron is excellent, improves
The wearability of welding wire entirety, but the abrasive wear resistance operating mode being used under certain middle low stresses, such as in carbon steel, low-alloy
When the surfaces such as steel, manganese steel and cast iron carry out built-up welding, requirement can't be fully achieved in wear-resisting property.
Invention content
The purpose of the present invention is to provide a kind of anti abrasive flux-cored wires, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides the following technical solutions:A kind of anti abrasive flux-cored wire, in outer layer
Solder flux is filled in sheetmetal, mass percent of each element contained in solder flux in solder flux gross mass is respectively:
C:4.2%~6.8%, Mn:0.5%~0.7%, Si:0.6%~0.8%, Cr:18%~26%, Nb:6.6%
~7.0%, remaining ingredient is Fe, wherein the whole NbC ingredients in solder flux of the quality of the Nb.
The mass percent of the C element and the quality sum of the Nb elements in solder flux is not less than 12%, the Nb
Mass percent of the quality sum of element and the Cr elements in solder flux is not less than 28%.
The mass percent of each element is preferably in the solder flux:
C:5.5%, Mn:0.6%, Si:0.7%, Cr:22%, Nb:6.8%, remaining ingredient is Fe.
The outer layer sheetmetal is carbon steel.
The diameter range of the flux-cored wire is in 2.8mm~3.0mm.
Compared with prior art, the beneficial effects of the invention are as follows:
Anti abrasive flux-cored wire in the present invention, the hard phases such as a large amount of NbC are added in solder flux, make built-up welding
Alloy has Abrasive Resistance of Stubble-cleaning more superior than the rich chromium cast iron of routine, can be in carbon steel, low-alloy steel, manganese steel and cast iron
Deng surface carry out hardfacing, be suitable for middle low stress under abrasive wear resistance operating mode.
Specific implementation mode
Below in conjunction with specific embodiment, the invention will be further described, in order to which those skilled in the art can be more
Good understanding is of the invention and can be practiced, but cited embodiment is not as limiting to the invention.
Embodiment 1
Welding wire is made using the solder flux of heterogeneity, number is respectively 1., 2., 3., 4., 5., 6. gage of wire 2.8mm,
Using CO2 gas shields, welding current 450A, built-up welding voltage 28V weld the 800mm/min that hastens, and 3 layers of built-up welding has no crackle,
Built-up welding hardness determination is shown in Table 1, wherein
Number is 1.:NbC ingredients in solder flux are all replaced with C, Cr alloy;
Number is 2.:The mass percent of Nb elements is 6.4% in solder flux;
Number is 3.:The mass percent of Nb elements is 6.6% in solder flux;
Number is 4.:The mass percent of Nb elements is 6.8% in solder flux;
Number is 5.:The mass percent of Nb elements is 7.0% in solder flux;
Number is 6.:The mass percent of Nb elements is 7.2% in solder flux.
| Number | ① | ② | ③ | ④ | ⑤ | ⑥ |
| HRC | 47.6 | 57.1 | 61.2 | 62.0 | 60.9 | 58.2 |
Table 1
It can be seen from the data that table 1 is collected into when adding NbC ingredients in solder flux, the Rockwell of obtained layer is hard
Degree is apparently higher than the layer for not adding NbC ingredients, and when the mass percent of the Nb elements in solder flux is 6.6% or so,
The Rockwell hardness highest of layer, has reached 62.0.
Embodiment 2
The mass percent of Nb elements in solder flux is fixed as 6.8%, according to the gross mass of Nb elements and C element in solder flux
In mass percent difference different welding wires is made, number is 1., 2., 3., 4., 5. gage of wire 2.8mm, using CO2 gas
Body is protected, welding current 450A, built-up welding voltage 28V, welds the 800mm/min that hastens, and 3 layers of built-up welding has no crackle, the inspection of built-up welding hardness
Survey is shown in Table 2, wherein
Number is 1.:Mass percent of the gross mass of Nb elements and C element in welding wire is 10.8%;
Number is 2.:Mass percent of the gross mass of Nb elements and C element in welding wire is 11.4%;
Number is 3.:Mass percent of the gross mass of Nb elements and C element in welding wire is 12.0%;
Number is 4.:Mass percent of the gross mass of Nb elements and C element in welding wire is 12.6%;
Number is 5.:Mass percent of the gross mass of Nb elements and C element in welding wire is 13.2%;
| Number | ① | ② | ③ | ④ | ⑤ |
| HRC | 52,5 | 55.7 | 61.9 | 61.7 | 61.7 |
Table 2
It can be seen from the data that table 2 is collected into when in solder flux the gross mass of Nb elements and C element account for solder flux total quality
Percentage when being less than 12.0%, the Rockwell hardness of layer is relatively low, and the gross mass of Nb elements and C element accounts for solder flux in the solder flux
When the percentage of total quality reaches or exceeds 12.0%, the Rockwell hardness of layer can maintain a higher value substantially
The subtle floating in left and right.
Embodiment 3
The mass percent of Nb elements in solder flux is fixed as 6.8%, is being welded according to the gross mass of Nb elements and Cr elements
Different welding wires is made in mass percent difference in agent, and number is 1., 2., 3., 4., 5. gage of wire 2.8mm, using CO2
Gas shield, welding current 450A, built-up welding voltage 28V weld the 800mm/min that hastens, and 3 layers of built-up welding has no crackle, built-up welding hardness
Detection is shown in Table 3, wherein
Number is 1.:Mass percent of the gross mass of Nb elements and Cr elements in welding wire is 24.6%;
Number is 2.:Mass percent of the gross mass of Nb elements and Cr elements in welding wire is 26.2%;
Number is 3.:Mass percent of the gross mass of Nb elements and Cr elements in welding wire is 28.0%;
Number is 4.:Mass percent of the gross mass of Nb elements and Cr elements in welding wire is 29.8%;
Number is 5.:Mass percent of the gross mass of Nb elements and Cr elements in welding wire is 31.6%;
| Number | ① | ② | ③ | ④ | ⑤ |
| HRC | 48.8 | 54.1 | 61.8 | 61.9 | 61.5 |
Table 3
It can be seen from the data that table 3 is collected into when in solder flux the gross mass of Nb elements and Cr elements account for solder flux entirety matter
When the percentage of amount is less than 28.0%, the Rockwell hardness of layer is relatively low, and works as the gross mass of Nb elements and Cr elements in solder flux and account for
The percentage of solder flux total quality reaches or when beyond 28.0%, and the Rockwell hardness of layer can maintain one higher substantially
The subtle floating of value or so.
Embodiment described above is only to absolutely prove the preferred embodiment of the invention lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, the present invention
Within protection domain.Protection scope of the present invention is subject to claims.
Claims (5)
1. a kind of anti abrasive flux-cored wire, is filled with solder flux, which is characterized in that contain in solder flux in outer layer sheetmetal
Mass percent of each element in solder flux gross mass be respectively:
C:4.2%~6.8%, Mn:0.5%~0.7%, Si:0.6%~0.8%, Cr:18%~26%, Nb:6.6%~
7.0%, remaining ingredient is Fe, wherein the whole NbC ingredients in solder flux of the quality of the Nb.
2. anti abrasive flux-cored wire according to claim 1, which is characterized in that the C element and Nb members
Not less than 12%, the quality sum of the Nb elements and the Cr elements exists mass percent of the quality sum of element in solder flux
Mass percent in solder flux is not less than 28%.
3. anti abrasive flux-cored wire according to claim 1, which is characterized in that the matter of each element in the solder flux
Measuring percentage is preferably:
C:5.5%, Mn:0.6%, Si:0.7%, Cr:22%, Nb:6.8%, remaining ingredient is Fe.
4. anti abrasive flux-cored wire according to claim 1, which is characterized in that the outer layer sheetmetal is carbon steel.
5. anti abrasive flux-cored wire according to claim 1, which is characterized in that the diameter model of the flux-cored wire
It is trapped among in 2.8mm~3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231013.3A CN108687462A (en) | 2017-04-11 | 2017-04-11 | A kind of anti abrasive flux-cored wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231013.3A CN108687462A (en) | 2017-04-11 | 2017-04-11 | A kind of anti abrasive flux-cored wire |
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| Publication Number | Publication Date |
|---|---|
| CN108687462A true CN108687462A (en) | 2018-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710231013.3A Pending CN108687462A (en) | 2017-04-11 | 2017-04-11 | A kind of anti abrasive flux-cored wire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846582A (en) * | 2019-12-23 | 2020-02-28 | 浙江联创焊接技术有限公司 | Squeeze roller sleeve in roller press and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152945A (en) * | 1980-04-25 | 1981-11-26 | Nippon Steel Corp | Wear-resistant roll for hot rolling |
| CN101537548A (en) * | 2008-03-21 | 2009-09-23 | 高智海 | Flux-cored welding wire for overlaying welding and application thereof |
| CN102343487A (en) * | 2010-07-30 | 2012-02-08 | 北京固本科技有限公司 | High wear-resistant flux-cored wire for resurfacing welding of spiral reamer of vacuum extruder |
| CN103894757A (en) * | 2014-03-29 | 2014-07-02 | 北京工业大学 | Nickle-based WC-NbC-hard-alloy-contained flux-cored wire for MIG (metal-inert gas) surfacing |
| CN105364337A (en) * | 2014-08-28 | 2016-03-02 | 上海博腾焊接材料有限公司 | Flux-cored wire for build up welding and preparation method of flux-cored wire |
| CN105397335A (en) * | 2015-12-21 | 2016-03-16 | 四川鸿舰重型机械制造有限责任公司 | Flux-cored wire for overlaying of water-cooled grate plate and scraper plate |
-
2017
- 2017-04-11 CN CN201710231013.3A patent/CN108687462A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152945A (en) * | 1980-04-25 | 1981-11-26 | Nippon Steel Corp | Wear-resistant roll for hot rolling |
| CN101537548A (en) * | 2008-03-21 | 2009-09-23 | 高智海 | Flux-cored welding wire for overlaying welding and application thereof |
| CN102343487A (en) * | 2010-07-30 | 2012-02-08 | 北京固本科技有限公司 | High wear-resistant flux-cored wire for resurfacing welding of spiral reamer of vacuum extruder |
| CN103894757A (en) * | 2014-03-29 | 2014-07-02 | 北京工业大学 | Nickle-based WC-NbC-hard-alloy-contained flux-cored wire for MIG (metal-inert gas) surfacing |
| CN105364337A (en) * | 2014-08-28 | 2016-03-02 | 上海博腾焊接材料有限公司 | Flux-cored wire for build up welding and preparation method of flux-cored wire |
| CN105397335A (en) * | 2015-12-21 | 2016-03-16 | 四川鸿舰重型机械制造有限责任公司 | Flux-cored wire for overlaying of water-cooled grate plate and scraper plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846582A (en) * | 2019-12-23 | 2020-02-28 | 浙江联创焊接技术有限公司 | Squeeze roller sleeve in roller press and preparation method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |
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| RJ01 | Rejection of invention patent application after publication |