CN106514047A - Wear-resistant flux-cored wire for stainless steel - Google Patents
Wear-resistant flux-cored wire for stainless steel Download PDFInfo
- Publication number
- CN106514047A CN106514047A CN201611135886.6A CN201611135886A CN106514047A CN 106514047 A CN106514047 A CN 106514047A CN 201611135886 A CN201611135886 A CN 201611135886A CN 106514047 A CN106514047 A CN 106514047A
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- China
- Prior art keywords
- parts
- flux
- wear
- rustless steel
- 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
- 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
Abstract
The invention discloses a wear-resistant flux-cored wire for stainless steel. The wear-resistant flux-cored wire consists of a flux core and a stainless steel sheath coating the outer side of the flux core, wherein the flux core comprises the following raw materials in parts by weight: 15-22 parts of chromium powder, 1-4 parts of titanium powder, 0.5-2 parts of nickel powder, 1-4 parts of silicon calcium alloy, 1-4 parts of magnalium, 4.5-7 parts of ferromanganese, 2-5 parts of ferromolybdenum, 2-4 parts of ferrocolumbium, 4-8 parts of rare earth ferroalloy, 4-8 parts of vanadium-nitrogen alloy, 6-9 parts of carbonate, 3-6 parts of graphite and 100-150 parts of iron powder. The wear-resistant flux-cored wire for stainless steel has favorable wear resistance, corrosion resistance, heat resistance and mechanical property; a deposited metal structure is compact, pore-free and crack-free; and the wear-resistant flux-cored wire for stainless steel can be favorably combined with a base material and is stable in performance.
Description
Technical field
The present invention relates to welding wire technology field, more particularly to a kind of rustless steel wear-resisting welding wire with flux core.
Background technology
Flux-cored wire is a kind of novel welding material for developing rapidly in recent years, and flux-cored wire is widely used in aviation boat
My god, automobile making, building, bridge, the field such as petrochemical industry.The quality of welding quality, the height of welding efficiency are by welding material
What material, welding procedure were determined, especially welding material is the key of welding, and current rustless steel flux-cored wire also has composition and match somebody with somebody
Put unreasonable, cause deposited metal spilehole and crackle occur, while also having in wear-resisting, corrosion-resistant, heat-resisting and mechanical property
Wait to improve.
The content of the invention
Based on the technical problem that background technology is present, the present invention proposes a kind of rustless steel wear-resisting welding wire with flux core, its tool
There are good wearability, corrosion resistance, thermostability and mechanical property, while deposited metal dense structure, pore-free and crackle go out
It is existing, it is well combined with mother metal and stable performance.
The present invention proposes a kind of rustless steel wear-resisting welding wire with flux core, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：Chromium powder 15-22 parts, titanium valve 1-4 parts, nikel powder 0.5-2 parts, calcium-silicon 1-4
Part, magnalium 1-4 parts, ferromanganese 4.5-7 parts, molybdenum-iron 2-5 parts, ferro-niobium 2-4 parts, rare earth ferroalloy 4-8 parts, VN alloy 4-8
Part, carbonate 6-9 parts, graphite 3-6 parts, iron powder 100-150 parts.
In specific embodiment, the weight portion of chromium powder can also be 16.5,18,19,20,21 parts, and the weight portion of titanium valve is also
It can be 1.5,2,2.5,3,3.5 parts, the weight portion of nikel powder can also be 0.85,1.15,1.5,1.75,1.9 parts, calcium-silicon
Weight portion can also be 1.5,2,2.5,3,3.5 parts, the weight portion of magnalium can also be 1.5,2,2.5,3,3.5 parts,
The weight portion of ferromanganese can also be 5,5.5,6,6.5,6.85 parts, and the weight portion of molybdenum-iron can also be 2.5,3,3.5,4,4.5 parts,
The weight portion of ferro-niobium can also be 2.4,2.8,3.2,3.5,3.85 parts, the weight portion of rare earth ferroalloy can also for 4.5,5.5,
6.5th, 7,7.5 parts, the weight portion of VN alloy can also be 4.5,5.5,6.5,7,7.5 parts, and the weight portion of carbonate can be with
For 6.5,7,7.5,8,8.5 parts, the weight portion of graphite can also be 3.5,4,4.5,5,5.5 parts, and the weight portion of iron powder can be with
For 110,120,125,130,140 parts.
Preferably, the carbonate is Calcium Carbonate, magnesium carbonate, zinc carbonate, one or more compositions in lithium carbonate
Mixture.
Preferably, the component of the rare earth ferroalloy includes by weight percent：Nd：15-25%, La：10-20%, Ce：
8-15%, remaining is Fe.
Preferably, the chromium powder, nikel powder, the percentage by weight of molybdenum-iron are 11-30:1-2:1-10.
Preferably, in the ferromanganese, manganese element content is 70-80wt%.
Preferably, in the molybdenum-iron, molybdenum element content is 60-75wt%.
Preferably, the medicated core and the weight ratio of flux-cored wire are 100:13-17.
The present invention is obtained using conventional fabrication process.
By controlling the content of chromium powder, nikel powder and molybdenum-iron in the present invention, deposited metal intensity, hardness and wear-resisting are improve
Property, while and making deposited metal that there is good plasticity, toughness and heat resistance；Carbonate divides at high temperature as gas-forming agent
Solution effectively prevents the intrusion of harmful gass into CO 2 gas-shielded molten bath, environmental protection, the main unit in calcium-silicon
Element is magnalium, ferromanganese, rare earth ferroalloy cooperation in silicon and calcium, with medicated core, with good deoxidation, denitrogenation, desulfurization, promotion
The effect of the floating of non-metallic inclusion, has purified molten bath, carbonate and calcium-silicon, magnalium, ferromanganese, rare earth ferroalloy
Coordinate, with reinforced effects, effectively improve the mobility and formability of welding fluid, improve arc stability, reduce pore
Sensitivity, it is suppressed that the phenomenons such as pore, cracking occurs in deposited metal, improves the anti-cracking performance and removability of slag energy of deposited metal,
Increase its service life；Titanium valve is coordinated with graphite, generates hard phase black particle TiC, while partial-titanium is combined life with oxygen element
Into TiO, TiC and TiO Dispersed precipitates are coordinated with the rare earth element in rare earth ferroalloy, as heterogeneous forming core in deposited metal
Particle, promote the formation of acicular ferrite, primary carbide and a small amount of pro-eutectoid ferrite, acicular ferrite is in deposited metal
In play pinning effect, improve intensity, toughness, wearability and the adhesion with mother metal of deposited metal, effectively prevent deposition
The cracking phenomenon of metal；VN alloy is coordinated with molybdenum-iron, nikel powder, improves intensity, toughness, ductility and the heat resistanceheat resistant of deposited metal
The comprehensive mechanical performances such as fatigability, high-temperature creep resistance, and the welding performance of flux-cored wire is improved, with sedimentation reinforcing and refinement
Crystal grain is acted on；By coordinating between chromium powder, calcium-silicon, molybdenum-iron, ferro-niobium and graphite, the hardening constituent Cr of Dispersed precipitate is generated23C6、
Cr7C3、Mg2S i、Mo2C, NbC, improve hardness, intensity, corrosion resistance, heat stability and the mechanical stability of deposited metal.
Rustless steel wear-resisting welding wire with flux core proposed by the present invention, which has good wearability, corrosion resistance, thermostability and mechanical property
Can, while deposited metal dense structure, pore-free and crackle occur, it is well combined with mother metal and stable performance.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of rustless steel wear-resisting welding wire with flux core proposed by the present invention, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：15 parts of chromium powder, 1 part of titanium valve, 0.5 part of nikel powder, 1 part of calcium-silicon, magnalium
4 parts, 4.5 parts of ferromanganese, 5 parts of molybdenum-iron, 2 parts of ferro-niobium, 8 parts of rare earth ferroalloy, 4 parts of VN alloy, 9 parts of carbonate, 3 parts of graphite, ferrum
100 parts of powder.
Embodiment 2
A kind of rustless steel wear-resisting welding wire with flux core proposed by the present invention, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：22 parts of chromium powder, 4 parts of titanium valve, 2 parts of nikel powder, 4 parts of calcium-silicon, magnalium 1
Part, 7 parts of ferromanganese, 2 parts of molybdenum-iron, 4 parts of ferro-niobium, 4 parts of rare earth ferroalloy, 8 parts of VN alloy, 6 parts of carbonate, 6 parts of graphite, iron powder
150 parts.
Embodiment 3
A kind of rustless steel wear-resisting welding wire with flux core proposed by the present invention, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：19.5 parts of chromium powder, 2.5 parts of titanium valve, 1.2 parts of nikel powder, 2.5 parts of calcium-silicon, magnesium
2.5 parts of aluminium alloy, 5.8 parts of ferromanganese, 3.5 parts of molybdenum-iron, 3 parts of ferro-niobium, 6.2 parts of rare earth ferroalloy, 6 parts of VN alloy, carbonate 7.6
Part, 4.5 parts of graphite, 125 parts of iron powder.
Wherein, the carbonate is zinc carbonate and lithium carbonate by weight being 1:The mixture of 2 compositions；
The component of the rare earth ferroalloy includes by weight percent：Nd：15%th, La：10%th, Ce：8%, remaining is Fe；
In the ferromanganese, manganese element content is 70%；
In the molybdenum-iron, molybdenum element content is 65%；
The medicated core is 100 with the weight ratio of flux-cored wire:13.
Embodiment 4
A kind of rustless steel wear-resisting welding wire with flux core proposed by the present invention, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：16.5 parts of chromium powder, 1.8 parts of titanium valve, 1.65 parts of nikel powder, 2.2 parts of calcium-silicon,
3.4 parts of magnalium, 5.4 parts of ferromanganese, 4.5 parts of molybdenum-iron, 2.4 parts of ferro-niobium, 6.75 parts of rare earth ferroalloy, 4.8 parts of VN alloy, carbon
8.2 parts of hydrochlorate, 3.6 parts of graphite, 118 parts of iron powder.
Wherein, the carbonate is Calcium Carbonate；
The component of the rare earth ferroalloy includes by weight percent：Nd：20%th, La：15%th, Ce：11%, remaining is
Fe；
In the ferromanganese, manganese element content is 75%；
In the molybdenum-iron, molybdenum element content is 70%；
The medicated core is 100 with the weight ratio of flux-cored wire:17.
Embodiment 5
A kind of rustless steel wear-resisting welding wire with flux core proposed by the present invention, by medicated core and being coated on outside the rustless steel on the outside of medicated core
Skin is constituted, and the raw material of medicated core includes by weight：19.8 parts of chromium powder, 3.4 parts of titanium valve, 0.95 part of nikel powder, 3.4 parts of calcium-silicon,
1.65 parts of magnalium, 6.5 parts of ferromanganese, 2.95 parts of molybdenum-iron, 3.25 parts of ferro-niobium, 5.2 parts of rare earth ferroalloy, 7.2 parts of VN alloy,
6.85 parts of carbonate, 5.6 parts of graphite, 135 parts of iron powder.
Wherein, the carbonate be Calcium Carbonate, magnesium carbonate, zinc carbonate, by weight be 1:1:The mixture of 1 composition；
The component of the rare earth ferroalloy includes by weight percent：Nd：25%th, La：20%th, Ce：15%, remaining is
Fe；
In the ferromanganese, manganese element content is 80%；
In the molybdenum-iron, molybdenum element content is 75%；
The medicated core is 100 with the weight ratio of flux-cored wire:15.
Performance survey is carried out with the deposited metal after wear-resisting welding wire with flux core welding to rustless steel described in the embodiment of the present invention 5
Examination, result is as follows compared with prior art：
| Prior art | Embodiment 5 | |
| Yield strength/MPa | 523 | 615 |
| Tensile strength/MPa | 596 | 715 |
| Percentage elongation/% | 31.5 | 36.2 |
| - 20 DEG C of impact absorbing energy/J | 134 | 162 |
By above table as can be seen that rustless steel of the present invention wear-resisting welding wire with flux core compared with prior art,
Yield strength, tensile strength, percentage elongation and low-temperature impact work fermentation is obtained for lifting, and the excellent properties for showing more are fitted
Close production and application.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (7)
1. a kind of rustless steel wear-resisting welding wire with flux core, it is characterised in that by medicated core and the rustless steel crust being coated on the outside of medicated core
Composition, the raw material of medicated core include by weight：Chromium powder 15-22 parts, titanium valve 1-4 parts, nikel powder 0.5-2 parts, calcium-silicon 1-4 parts,
Magnalium 1-4 parts, ferromanganese 4.5-7 parts, molybdenum-iron 2-5 parts, ferro-niobium 2-4 parts, rare earth ferroalloy 4-8 parts, VN alloy 4-8 parts,
Carbonate 6-9 parts, graphite 3-6 parts, iron powder 100-150 parts.
2. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that the carbonate is Calcium Carbonate, carbon
The mixture of one or more compositions in sour magnesium, zinc carbonate, lithium carbonate.
3. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that the component of the rare earth ferroalloy is pressed
Mass percent includes：Nd：15-25%, La：10-20%, Ce：8-15%, remaining is Fe.
4. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that the chromium powder, nikel powder, the weight of molybdenum-iron
Amount percentage ratio is 11-30:1-2:1-10.
5. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that manganese element content is in the ferromanganese
70-80wt%.
6. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that molybdenum element content is in the molybdenum-iron
60-75wt%.
7. rustless steel wear-resisting welding wire with flux core according to claim 1, it is characterised in that the weight of the medicated core and flux-cored wire
Amount is than being 100:13-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135886.6A CN106514047A (en) | 2016-12-09 | 2016-12-09 | Wear-resistant flux-cored wire for stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135886.6A CN106514047A (en) | 2016-12-09 | 2016-12-09 | Wear-resistant flux-cored wire for stainless steel |
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| Publication Number | Publication Date |
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| CN106514047A true CN106514047A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611135886.6A Pending CN106514047A (en) | 2016-12-09 | 2016-12-09 | Wear-resistant flux-cored wire for stainless steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116317A (en) * | 2017-05-17 | 2017-09-01 | 安徽飞弧焊业股份有限公司 | A kind of Jaw plate flux-cored wire |
| CN107127478A (en) * | 2017-05-17 | 2017-09-05 | 安徽飞弧焊业股份有限公司 | A kind of flux-cored wire |
| CN107186381A (en) * | 2017-05-17 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of cement bin material liner plate flux-cored wire |
| CN107186378A (en) * | 2017-05-11 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of preparation method of pipe-line flux-cored wire |
| CN107186390A (en) * | 2017-05-11 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of preparation method of grain roll flux-cored welding wire for overlaying welding |
| CN107186379A (en) * | 2017-05-12 | 2017-09-22 | 天长市通联焊业有限公司 | A kind of low-alloy structural steel flux-cored wire and preparation method thereof |
| CN107252992A (en) * | 2017-05-09 | 2017-10-17 | 安徽飞弧焊业股份有限公司 | A kind of pipe line steel self-protection flux-cored wire |
| CN107252994A (en) * | 2017-05-12 | 2017-10-17 | 天长市通联焊业有限公司 | A kind of wear-resisting high rigidity flux-cored wire |
| CN107262964A (en) * | 2017-05-12 | 2017-10-20 | 天长市通联焊业有限公司 | A kind of high-toughness wear-resistant flux-cored wire |
| CN107297584A (en) * | 2017-05-17 | 2017-10-27 | 安徽飞弧焊业股份有限公司 | A kind of wear-resistant anti-loose falls flux-cored wire |
| CN107414340A (en) * | 2017-05-11 | 2017-12-01 | 安徽飞弧焊业股份有限公司 | A kind of bridge flux-cored wire |
| CN108544132A (en) * | 2018-07-12 | 2018-09-18 | 淮北卓颂建筑工程有限公司 | A kind of preparation method of high abrasion stainless steel welding stick |
| CN110170768A (en) * | 2019-06-19 | 2019-08-27 | 鞍钢未来钢铁研究院有限公司 | A kind of Ni-based electric arc spraying flux-cored wire and preparation method |
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| CN107252992A (en) * | 2017-05-09 | 2017-10-17 | 安徽飞弧焊业股份有限公司 | A kind of pipe line steel self-protection flux-cored wire |
| CN107186378A (en) * | 2017-05-11 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of preparation method of pipe-line flux-cored wire |
| CN107186390A (en) * | 2017-05-11 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of preparation method of grain roll flux-cored welding wire for overlaying welding |
| CN107414340A (en) * | 2017-05-11 | 2017-12-01 | 安徽飞弧焊业股份有限公司 | A kind of bridge flux-cored wire |
| CN107186379A (en) * | 2017-05-12 | 2017-09-22 | 天长市通联焊业有限公司 | A kind of low-alloy structural steel flux-cored wire and preparation method thereof |
| CN107252994A (en) * | 2017-05-12 | 2017-10-17 | 天长市通联焊业有限公司 | A kind of wear-resisting high rigidity flux-cored wire |
| CN107262964A (en) * | 2017-05-12 | 2017-10-20 | 天长市通联焊业有限公司 | A kind of high-toughness wear-resistant flux-cored wire |
| CN107186381A (en) * | 2017-05-17 | 2017-09-22 | 安徽飞弧焊业股份有限公司 | A kind of cement bin material liner plate flux-cored wire |
| CN107116317A (en) * | 2017-05-17 | 2017-09-01 | 安徽飞弧焊业股份有限公司 | A kind of Jaw plate flux-cored wire |
| CN107127478A (en) * | 2017-05-17 | 2017-09-05 | 安徽飞弧焊业股份有限公司 | A kind of flux-cored wire |
| CN107297584A (en) * | 2017-05-17 | 2017-10-27 | 安徽飞弧焊业股份有限公司 | A kind of wear-resistant anti-loose falls flux-cored wire |
| CN108544132A (en) * | 2018-07-12 | 2018-09-18 | 淮北卓颂建筑工程有限公司 | A kind of preparation method of high abrasion stainless steel welding stick |
| CN110170768A (en) * | 2019-06-19 | 2019-08-27 | 鞍钢未来钢铁研究院有限公司 | A kind of Ni-based electric arc spraying flux-cored wire and preparation method |
| CN110170768B (en) * | 2019-06-19 | 2022-03-15 | 鞍钢未来钢铁研究院有限公司 | Flux-cored wire for nickel-based arc spraying and preparation method thereof |
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Application publication date: 20170322 |