CN107262963A - A kind of wear-resisting welding wire with flux core - Google Patents
A kind of wear-resisting welding wire with flux core Download PDFInfo
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- CN107262963A CN107262963A CN201710321036.3A CN201710321036A CN107262963A CN 107262963 A CN107262963 A CN 107262963A CN 201710321036 A CN201710321036 A CN 201710321036A CN 107262963 A CN107262963 A CN 107262963A
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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
- B23K35/3053—Fe as the principal constituent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Graphite 4.3 4.5%, chromic carbide iron 20 25%, titanium valve 1 1.5%, boron carbide 1 2.5%, silica 0.8 1%, aluminium nitride 0.1 0.2%, manganese powder 0.4 0.5%, vanadium powder 1 1.5%, tungsten powder 2 2.2%, molybdenum powder 3.4 3.45%, rhenium powder 0.5 1.5%, surplus is iron powder.The present invention is cooperated by each material causes the heap welding coat of the present invention to be combined closely with metallic matrix, difficult for drop-off, and with good anti-wear performance, toughness and crack resistance.
Description
Technical field
The present invention relates to welding wire technology field, more particularly to a kind of wear-resisting welding wire with flux core.
Background technology
The abrasion of metal surface is a kind of very universal phenomenon, and the field of every use metal material all has different journeys
The wear problem of degree, the caused energy and material consumption is very surprising.Coating can be formed in metal surface built-up welding, from
And increasing the anti-wear performance of metallic matrix, wherein flux-cored wire is the conventional welding wire of built-up welding, but in actual application still
There is powder feeding uneven, unstable, fusing degree is uneven, spray to gained coating on matrix and although add the wear-resisting of matrix
Performance, but the bond strength of coating and matrix is low, poor toughness, coating easily ftractures.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of wear-resisting welding wire with flux core, and the present invention is by each
Material, which cooperates, causes the heap welding coat of the present invention to be combined closely with metallic matrix, difficult for drop-off, and with well resistance to
Grind performance, toughness and crack resistance.
A kind of wear-resisting welding wire with flux core proposed by the present invention, including steel-tape sheath and medicine core, wherein, the weight hundred of the medicine core
Ratio is divided to include：Graphite 4.3-4.5%, chromic carbide iron 20-25%, titanium valve 1-1.5%, boron carbide 1-2.5%, silica 0.8-
1%, aluminium nitride 0.1-0.2%, manganese powder 0.4-0.5%, vanadium powder 1-1.5%, tungsten powder 2-2.2%, molybdenum powder 3.4-3.45%, rhenium powder
0.5-1.5%, surplus is iron powder.
Preferably, in the medicine core raw material, graphite, boron carbide, vanadium powder, the percentage by weight of aluminium nitride meet following relation
Formula：4.2%≤MGraphite+MBoron carbide+MVanadium powder-15MAluminium nitride≤ 6.3%, wherein, MGraphiteRepresent the percentage by weight of graphite, MBoron carbideRepresent carbon
Change the percentage by weight of boron, MVanadium powderRepresent the percentage by weight of vanadium powder, MAluminium nitrideRepresent the percentage by weight of aluminium nitride.
Preferably, the loading of medicine core is the 50-60% of welding wire gross weight.
Preferably, carbon content≤0.02wt% of chromic carbide iron, chromium content is 60-65wt%.
Preferably, the percentage by weight of the medicine core includes：Graphite 4.35-4.45%, chromic carbide iron 21-23%, titanium valve
1.2-1.4%, boron carbide 1.5-2%, silica 0.85-0.95%, aluminium nitride 0.12-0.18%, manganese powder 0.43-
0.47%, vanadium powder 1.1-1.3%, tungsten powder 2.05-2.15%, molybdenum powder 3.41-3.43%, rhenium powder 0.8-1.2%, surplus is iron
Powder.
Preferably, the particle diameter of medicine core raw material is 150-200 mesh.
Wear-resisting welding wire with flux core of the present invention is prepared according to the conventional flux-cored wire preparation technology in this area, by each raw material
It is put into mixer to be well mixed, crust steel band, using flux-cored wire production equipment, is obtained through curling, drawing.
Present invention adds graphite, boron carbide, vanadium powder, aluminium nitride, and define " 4.2%≤MGraphite+MBoron carbide+MVanadium powder-
15MAluminium nitride≤ 6.3% " relational expression, graphite, boron carbide, vanadium powder, aluminium nitride are cooperated with appropriate level, can promote graphite
First eutectoid carbide is formed in surfacing layer, and suppresses the growth of eutectic carbide, and causes first eutectoid carbide to tend to be vertical
It is straight to increase the bond strength of heap welding coat and matrix in matrix surface growth, and greatly increase hardness and shock resistance, carbon
Change boron in heap welding coat, suppress the toughness and crack resistance of B and Fe formation brittlement phases, increase coating and matrix, vanadium powder and matrix
Combine closely to form VC phases, the further hardness and wearability of the increase present invention, and increase the bond strength of coating and matrix, nitrogen
Changing aluminium makes seam organization change to hypoeutectic direction, and the carbon content in increase coarse Austenite, is in the hardness of retained austenite
Rise, and accordingly reduce the quantity of thick carbide, carbon is evenly distributed in seam organization, in the same of increase wearability
When, keep good toughness and crack resistance；Titanium valve, vanadium powder, rhenium powder, tungsten powder, molybdenum powder, which cooperate, can form small and dispersed phase, carefully
Change crystal grain, further the toughness and crack resistance of the increase present invention；Above-mentioned each material, which cooperates, causes the heap welding coat of the present invention
It can be combined closely with metallic matrix, it is difficult for drop-off, and with good anti-wear performance, toughness and crack resistance.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Stone
Ink 4.4%, chromic carbide iron 22%, titanium valve 1.3%, boron carbide 1.7%, silica 0.9%, aluminium nitride 0.15%, manganese powder
0.45%, vanadium powder 1.2%, tungsten powder 2.1%, molybdenum powder 3.42%, rhenium powder 1%, surplus is iron powder.
Embodiment 2
A kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Stone
Ink 4.3%, chromic carbide iron 25%, titanium valve 1%, boron carbide 2.5%, silica 0.8%, aluminium nitride 0.2%, manganese powder 0.4%,
Vanadium powder 1.5%, tungsten powder 2%, molybdenum powder 3.45%, rhenium powder 0.5%, surplus is iron powder；
Wherein, the loading of medicine core is the 60% of welding wire gross weight；
Carbon content≤0.02wt% of chromic carbide iron, chromium content is 60wt%；
The particle diameter of medicine core raw material is 200 mesh.
Embodiment 3
A kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Stone
Ink 4.5%, chromic carbide iron 20%, titanium valve 1.5%, boron carbide 1%, silica 1 %, aluminium nitride 0.1%, manganese powder 0.5%, vanadium
Powder 1%, tungsten powder 2.2%, molybdenum powder 3.4%, rhenium powder 1.5%, surplus is iron powder；
Wherein, the loading of medicine core is the 50% of welding wire gross weight；
Carbon content≤0.02wt% of chromic carbide iron, chromium content is 65wt%；
The particle diameter of medicine core raw material is 150 mesh.
Embodiment 4
A kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Stone
Ink 4.35%, chromic carbide iron 23%, titanium valve 1.2%, boron carbide 2%, silica 0.85%, aluminium nitride 0.18%, manganese powder
0.43%, vanadium powder 1.3%, tungsten powder 2.05%, molybdenum powder 3.43%, rhenium powder 0.8%, surplus is iron powder；
Wherein, the loading of medicine core is the 58% of welding wire gross weight；
Carbon content≤0.02wt% of chromic carbide iron, chromium content is 61wt%；
The particle diameter of medicine core raw material is 200 mesh.
Embodiment 5
A kind of wear-resisting welding wire with flux core, including steel-tape sheath and medicine core, wherein, the percentage by weight of the medicine core includes：Stone
Ink 4.45%, chromic carbide iron 21%, titanium valve 1.4%, boron carbide 1.5%, silica 0.95%, aluminium nitride 0.12%, manganese powder
0.47%, vanadium powder 1.1%, tungsten powder 2.15%, molybdenum powder 3.41%, rhenium powder 1.2%, surplus is iron powder；
Wherein, the loading of medicine core is the 52% of welding wire gross weight；
Carbon content≤0.02wt% of chromic carbide iron, chromium content is 63wt%；
The particle diameter of medicine core raw material is 150 mesh.
Test example 1
Example 1-5 carries out built-up welding to mother metal steel plate Q235 and detects performance, as a result as follows：
| Project | Embodiment 1-5 average value |
| Case hardness HRC | 64.3 |
| Tensile strength MPa | 570 |
As can be seen from the above table, welding point of the invention has good hardness and tensile strength.
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 (6)
1. a kind of wear-resisting welding wire with flux core, it is characterised in that including steel-tape sheath and medicine core, wherein, the weight percent of the medicine core
Than including：Graphite 4.3-4.5%, chromic carbide iron 20-25%, titanium valve 1-1.5%, boron carbide 1-2.5%, silica 0.8-
1%, aluminium nitride 0.1-0.2%, manganese powder 0.4-0.5%, vanadium powder 1-1.5%, tungsten powder 2-2.2%, molybdenum powder 3.4-3.45%, rhenium powder
0.5-1.5%, surplus is iron powder.
2. wear-resisting welding wire with flux core according to claim 1, it is characterised in that in the medicine core raw material, graphite, boron carbide, vanadium
Powder, the percentage by weight of aluminium nitride meet relationship below：4.2%≤MGraphite+MBoron carbide+MVanadium powder-15MAluminium nitride≤ 6.3%, wherein,
MGraphiteRepresent the percentage by weight of graphite, MBoron carbideRepresent the percentage by weight of boron carbide, MVanadium powderThe percentage by weight of vanadium powder is represented,
MAluminium nitrideRepresent the percentage by weight of aluminium nitride.
3. according to claim 1 or 2 wear-resisting welding wire with flux core, it is characterised in that the loading of medicine core is welding wire gross weight
50-60%.
4. according to any one of the claim 1-3 wear-resisting welding wire with flux core, it is characterised in that the carbon content of chromic carbide iron≤
0.02wt%, chromium content is 60-65wt%.
5. according to any one of the claim 1-4 wear-resisting welding wire with flux core, it is characterised in that the percentage by weight bag of the medicine core
Include：Graphite 4.35-4.45%, chromic carbide iron 21-23%, titanium valve 1.2-1.4%, boron carbide 1.5-2%, silica 0.85-
0.95%, aluminium nitride 0.12-0.18%, manganese powder 0.43-0.47%, vanadium powder 1.1-1.3%, tungsten powder 2.05-2.15%, molybdenum powder
3.41-3.43%, rhenium powder 0.8-1.2%, surplus is iron powder.
6. according to any one of the claim 1-5 wear-resisting welding wire with flux core, it is characterised in that the particle diameter of medicine core raw material is 150-
200 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321036.3A CN107262963A (en) | 2017-05-09 | 2017-05-09 | A kind of wear-resisting welding wire with flux core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321036.3A CN107262963A (en) | 2017-05-09 | 2017-05-09 | A kind of wear-resisting welding wire with flux core |
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| Publication Number | Publication Date |
|---|---|
| CN107262963A true CN107262963A (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710321036.3A Withdrawn CN107262963A (en) | 2017-05-09 | 2017-05-09 | A kind of wear-resisting welding wire with flux core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940948A (en) * | 2020-07-24 | 2020-11-17 | 天津沃盾耐磨材料有限公司 | Environment-friendly high-wear-resistance flux-cored wire and preparation method thereof |
| CN112122821A (en) * | 2020-09-29 | 2020-12-25 | 天津市永昌焊丝有限公司 | Wear-resistant and corrosion-resistant flux-cored wire for TIG-P surfacing of hydraulic support component |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100262668B1 (en) * | 1997-12-20 | 2000-08-01 | 홍상복 | High performance cr carbide type hardfacing welding wire |
| CN101224527A (en) * | 2008-02-04 | 2008-07-23 | 湘潭大学 | High hardness ferritic stainless steel wearable surfacing flux-cored wire |
| CN103008911A (en) * | 2012-12-06 | 2013-04-03 | 南京江联焊接技术有限公司 | Self-protecting flux-cored wire for mould surfacing welding |
| KR101466559B1 (en) * | 2013-07-08 | 2014-12-01 | 한국생산기술연구원 | Flux cored wire for overlay welding |
| CN105057926A (en) * | 2015-09-22 | 2015-11-18 | 山东大学 | Special flux-cored wire for hot-working die repairing surfacing |
| CN105479039A (en) * | 2016-01-27 | 2016-04-13 | 广西辉煌机械股份有限公司 | Wear-resistant welding 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 |
-
2017
- 2017-05-09 CN CN201710321036.3A patent/CN107262963A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100262668B1 (en) * | 1997-12-20 | 2000-08-01 | 홍상복 | High performance cr carbide type hardfacing welding wire |
| CN101224527A (en) * | 2008-02-04 | 2008-07-23 | 湘潭大学 | High hardness ferritic stainless steel wearable surfacing flux-cored wire |
| CN103008911A (en) * | 2012-12-06 | 2013-04-03 | 南京江联焊接技术有限公司 | Self-protecting flux-cored wire for mould surfacing welding |
| KR101466559B1 (en) * | 2013-07-08 | 2014-12-01 | 한국생산기술연구원 | Flux cored wire for overlay welding |
| CN105057926A (en) * | 2015-09-22 | 2015-11-18 | 山东大学 | Special flux-cored wire for hot-working die repairing surfacing |
| CN105479039A (en) * | 2016-01-27 | 2016-04-13 | 广西辉煌机械股份有限公司 | Wear-resistant welding 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940948A (en) * | 2020-07-24 | 2020-11-17 | 天津沃盾耐磨材料有限公司 | Environment-friendly high-wear-resistance flux-cored wire and preparation method thereof |
| CN111940948B (en) * | 2020-07-24 | 2021-03-19 | 天津沃盾耐磨材料有限公司 | Environment-friendly high-wear-resistance flux-cored wire and preparation method thereof |
| CN112122821A (en) * | 2020-09-29 | 2020-12-25 | 天津市永昌焊丝有限公司 | Wear-resistant and corrosion-resistant flux-cored wire for TIG-P surfacing of hydraulic support component |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171020 |
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| WW01 | Invention patent application withdrawn after publication |