CN106271225B - Hardfacing electrode and preparation method thereof - Google Patents
Hardfacing electrode and preparation method thereof Download PDFInfo
- Publication number
- CN106271225B CN106271225B CN201610782365.3A CN201610782365A CN106271225B CN 106271225 B CN106271225 B CN 106271225B CN 201610782365 A CN201610782365 A CN 201610782365A CN 106271225 B CN106271225 B CN 106271225B
- Authority
- CN
- China
- Prior art keywords
- sum
- ferro
- hardfacing
- surplus
- chrome
- 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.)
- Active
Links
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
- B23K35/36—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
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
-
- 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
-
- 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
- B23K35/3073—Fe as the principal constituent with Mn as 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
- B23K35/22—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
- B23K35/3601—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
- B23K35/3603—Halide salts
- B23K35/3605—Fluorides
-
- 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
- B23K35/404—Coated rods; Coated electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of hardfacing electrodes and preparation method thereof, are made of low carbon steel welding core and the coating wrapped in core wire surface, and coating composition and mass content are：The sum of carbonate and fluoride：10-20%；Graphite：5-10%；High carbon ferro-chrome：20-30%；Ferrosilicon：4-6%；Binder：1-3%；The sum of tungsten and ferro-boron：30-40%；Surplus is Fe.Compared with the existing, high-temperature behavior of the present invention is excellent, welding technological properties and the good hardfacing electrode of physicochemical property, and arc stability is good, splashes small, and flue dust is few, takes off slag and is easy.
Description
Technical field
The present invention relates to field of welding material, more particularly to a kind of hardfacing electrode and preparation method thereof.
Background technology
Currently, the sintering machine that uses of domestic steel industry according to its service condition, failure conditions, especially high-temperature component into
The corresponding reparation of row and composite manufacturing, it is already possible to achieve the effect that satisfied.Especially sintering machine single-tooth roller, tup, blanking
Liner plate, coal-grinding roller, shock plate etc. be required to be planed, built-up welding and is processed into corresponding size and is used again, is presently the most
Common and economic restorative procedure.In built-up welding, the good surfacing welding of all-position welding performance is mostly used greatly.However this built-up welding
Mode has the following problems：1. bead-welding technology performance is unstable.2. high-temperature behavior is unstable, hardness is uneven.3. wearability is not
It is good.Problem above restricts the development of the more demanding hardfacing electrode of such high-temperature behavior.
Pass through the research to wear resistance at elevated temperature so that the surfacing welding of research and development has good processing performance, excellent
Wear resistance at elevated temperature can meet requirement of the steel industry to associated components high-temperature behavior, reach advanced international level, be welding row
The technology of industry is pursued.
Invention content
An object of the present invention, which is that, provides a kind of hardfacing electrode, and the welding rod high-temperature behavior is excellent, welds
Processing performance and the good hardfacing electrode of physicochemical property, arc stability is good, splashes small, and flue dust is few, takes off slag and is easy.
Technical solution is：A kind of hardfacing electrode is made of low carbon steel welding core and the coating wrapped in core wire surface, should
Coating forms and mass content is：
The sum of carbonate and fluoride：10-20%；
Graphite：5-10%；
High carbon ferro-chrome：20-30%；
Ferrosilicon：4-6%；
Binder：1-3%；
The sum of tungsten and ferro-boron：30-40%；
Surplus is Fe.
Preferably, the coating weight is the 25-35% of low carbon steel welding core weight.
Preferably, the low carbon steel welding core composition and content are
C：≤ 0.1%；
Mn：0.3-0.55%；
Si：≤ 0.08%；
Cr：≤ 0.1%；
Ni：≤ 0.3%；
Al：≤ 0.03%；
As：≤ 0.007%；
Cu：≤ 0.2%；
S：≤ 0.005%；
P：≤ 0.015%；
Surplus is Fe.
Preferably, the sum of the carbonate and fluoride are 10%, graphite 5%, high carbon ferro-chrome 25%, ferrosilicon is
4%, binder 2%, the sum of tungsten and ferro-boron are 30%, surplus Fe.
Preferably, the sum of the carbonate and fluoride are 15%, graphite 8%, high carbon ferro-chrome 25%, ferrosilicon is
4%, the sum of binder 2%, tungsten and ferro-boron are 40%, surplus Fe.
The second object of the present invention is to provide a kind of preparation method of hardfacing electrode.
Technical solution is：A kind of preparation method of hardfacing electrode, includes the following steps：
1. coating powder is mixed uniformly mixed；
2. the potassium sodium ratio being added under the conditions of 20 DEG C that account for solid component mass content 21-22% is 1:1 waterglass, wave
U.S. density is 41~42Be, carries out wet mixing；
3. carrying out welding rod preparation in hydraulic type welding rod production equipment using low carbon steel welding core.
Inventive principle：
C：Carbon is used to improve the hardness and wear-resisting property of material, and the carbon content in the present invention in deposited metal has reached 5%,
Provide enough wear-resisting phase constitutions.
Mn：Manganese is important deoxidier, while being also the important alloying constituent of weld metal.The intensity of Resistance of Weld Metal and tough
Property has a major impact.Manganese can form MnS with sulphur, reduce the impurity content of weld seam.Mn can be efficiently reduced in weld metal
Sulfur content, therefore suitable addition can improve the intensity of weld metal.
Cr：It to improve wearability, is combined to form stable carbide with carbon, be evenly distributed in matrix, be to improve
The essential element of weld metal wearability.
Si：To reduce the content of oxygen in weld seam, and improve the hardness of weld seam.
Ni：To improve the toughness of weld seam, improve the tearing tendency of deposited metal.
Ti；To crystal grain thinning, improve tissue size, the comprehensive performance for improving deposited metal reduces crackle tendency.
W：To improve the hardness of deposited metal strongly, enhance wear resistance at elevated temperature.
B：Micro addition can greatly improve the quenching degree of deposited metal.
Advantageous effect：
Processing property of electrode of the present invention is good, and high temperature resistance is excellent, and maximum operating temperature is adapted to up to 600 DEG C -1000 DEG C
Property is strong, adapts to requirement of the user to welding procedure and operating characteristics.The present invention solves the problems, such as that wear resistance at elevated temperature is poor, firmly
Degree reaches HRC58 or more, and wear resistance at elevated temperature is very good.
Term is explained
In the present invention, high carbon ferro-chrome refers to the ferrochrome that carbon content is higher than 6%.
In the present invention, % unless otherwise instructed, refers to mass percent.
Specific implementation mode
With reference to specific embodiment, the present invention is further illustrated.
Embodiment 1
Using low carbon steel welding core, C：0.065%, Mn：0.45%, Si：0.008%, Cr：0.035%, Ni：0.03%,
Al：0.003%, As：0.004%, Cu：0.2%, S：0.003%, P：0.005%；The present embodiment is with coating medicinal powder gross weight
Percentages：The sum of carbonate and fluoride：10%, graphite：5%, high carbon ferro-chrome：25%, ferrosilicon：4%, binder：2%,
The sum of tungsten and ferro-boron：30%, surplus Fe.
Above-mentioned coating medicinal powder is uniformly mixed, addition accounts under the conditions of 20 DEG C of solid component mass content 21-22wt%
Potassium sodium ratio is 1:1 waterglass, baume density are 41~42Be, carry out wet mixing.Using above-mentioned low carbon steel welding core in hydraulic type
Welding rod preparation is carried out in welding rod production equipment.
Inspection after welding (welding base metal is sintering machine high-temperature component), deposited metal composition is：C:3.80%, Mn：
0.30%, Si：2.30%, Cr：21%, W:1.0%, B:0.45%,.Average hardness is HRC58, and tries out and meet at user
Client is on probation to be required, and operating temperature is 600 DEG C.
Embodiment 2
In addition to compositions of surfacing metal content is different, remaining is same as Example 1.
The present embodiment is with the percentages of coating medicinal powder gross weight：The sum of carbonate and fluoride：15%, graphite：8%,
High carbon ferro-chrome：25%, ferrosilicon：4%, binder：2%, the sum of tungsten and ferro-boron：40%, surplus Fe.
Inspection after welding (welding base metal is sintering machine high-temperature component), deposited metal composition is：C:4.20%, Mn：
0.30%, Si：2.30%, Cr：22%, W:1.2%, B:0.60%.Average hardness is HRC62, and tries out and meet at user
Client's requirement operating temperature is 800 DEG C.
The product user of embodiment 1 is to replace within 2 months once using replacement frequency, and the product user of embodiment 1 is using more
It is to replace once within 2.5 months, and similar product replacement frequency is that replacement in 1 month is primary in the market to change frequency.
Claims (8)
1. a kind of hardfacing electrode is made of low carbon steel welding core and the coating wrapped in core wire surface, coating composition and matter
Measuring content is：
The sum of carbonate and fluoride：10-20%；
Graphite：5-10%；
High carbon ferro-chrome：20-30%；
Ferrosilicon：4-6%；
Binder：1-3%；
The sum of tungsten and ferro-boron：30-40%；
Surplus is Fe.
2. hardfacing electrode according to claim 1, it is characterised in that：The coating weight is low carbon steel welding core weight
25-35%.
3. hardfacing electrode according to claim 1 or 2, it is characterised in that：The low carbon steel welding core composition and content
For
C：≤ 0.1%；
Mn：0.3-0.55%；
Si：≤ 0.08%；
Cr：≤ 0.1%；
Ni：≤ 0.3%；
Al：≤ 0.03%；
As：≤ 0.007%；
Cu：≤ 0.2%；
S：≤ 0.005%；
P：≤ 0.015%；
Surplus is Fe.
4. according to any hardfacing electrodes of claim 1-2, it is characterised in that：The sum of the carbonate and fluoride
It is 10%, graphite 5%, high carbon ferro-chrome 25%, ferrosilicon 4%, binder 2%, the sum of tungsten and ferro-boron are 30%, surplus
For Fe.
5. hardfacing electrode according to claim 3, it is characterised in that：The sum of the carbonate and fluoride are
10%, graphite 5%, high carbon ferro-chrome 25%, ferrosilicon 4%, binder 2%, the sum of tungsten and ferro-boron are 30%, and surplus is
Fe。
6. according to any hardfacing electrodes of claim 1-2, it is characterised in that：The sum of the carbonate and fluoride
It is 15%, graphite 8%, high carbon ferro-chrome 25%, ferrosilicon 4%, the sum of binder 2%, tungsten and ferro-boron are 40%, surplus
For Fe.
7. hardfacing electrode according to claim 3, it is characterised in that：The sum of the carbonate and fluoride are
15%, graphite 8%, high carbon ferro-chrome 25%, ferrosilicon 4%, the sum of binder 2%, tungsten and ferro-boron are 40%, and surplus is
Fe。
8. a kind of preparation method of the hardfacing electrode described in claim 1 to 7 any claim, includes the following steps：
1. coating powder is uniformly mixed；
2. the potassium sodium ratio being added under the conditions of 20 DEG C that account for solid component mass content 21-22% is 1:1 waterglass, Baume are close
Degree is 41~42Be, carries out wet mixing；
3. carrying out welding rod preparation in hydraulic type welding rod production equipment using low carbon steel welding core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782365.3A CN106271225B (en) | 2016-08-30 | 2016-08-30 | Hardfacing electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782365.3A CN106271225B (en) | 2016-08-30 | 2016-08-30 | Hardfacing electrode and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106271225A CN106271225A (en) | 2017-01-04 |
| CN106271225B true CN106271225B (en) | 2018-11-02 |
Family
ID=57672289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782365.3A Active CN106271225B (en) | 2016-08-30 | 2016-08-30 | Hardfacing electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106271225B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044260B (en) * | 2017-12-11 | 2021-08-24 | 江苏九洲新材料科技有限公司 | Preparation method of surfacing welding electrode |
| CN108890169A (en) * | 2018-08-06 | 2018-11-27 | 万国雄 | A kind of wear-resisting type surfacing welding containing high carbon ferro-chrome |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB691298A (en) * | 1949-03-04 | 1953-05-13 | Elek Ska Svetsningsaktiebolage | Improvements in welding rods, particularly for hard facing purposes |
| US20070251934A1 (en) * | 2004-04-23 | 2007-11-01 | Holland Lp | High Carbon Welding Electrode and Method of Welding with High Carbon Welding Electrode |
| CN101837522B (en) * | 2010-06-11 | 2013-06-19 | 河海大学常州校区 | Vanadium-reinforced wear-resistant submerged-arc surfacing flux-cored welding wire |
| CN102343490A (en) * | 2010-07-30 | 2012-02-08 | 北京固本科技有限公司 | Flux-cored wire for restoring resurfacing welding of cone crusher |
| CN102528321A (en) * | 2011-12-07 | 2012-07-04 | 燕山大学 | Special welding rod used for surfacing reparation of high carbon steel type high-speed railway base tamping pick |
| CN103659048A (en) * | 2013-12-05 | 2014-03-26 | 青岛海伴塑胶工贸有限公司 | Wear-resistant manual surfacing electrode |
| CN104400259B (en) * | 2014-10-27 | 2016-12-07 | 武汉铁锚焊接材料股份有限公司 | A kind of high-hardness wear-resisting bead welding rod |
| CN105108370B (en) * | 2015-08-21 | 2017-09-29 | 四川大西洋焊接材料股份有限公司 | A kind of inexpensive adaptable hard-face overlaying welding flux-cored wire |
-
2016
- 2016-08-30 CN CN201610782365.3A patent/CN106271225B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106271225A (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105149816B (en) | One kind is used for cement roller built-up welding self-protection flux-cored wire | |
| US8941032B2 (en) | Hardfacing ferroalloy materials | |
| CN100478116C (en) | Highly abrasion-proof columbium carbide-chromium carbide composite surfacing welding rod | |
| CN105798484B (en) | A kind of high vanadium self-protecting flux-cored wire for hardfacing of high carbon and chromium | |
| CN1974106A (en) | Multicomponent nickel-based wear-resistant heat-resistant surfacing welding electrode and preparation method thereof | |
| CN105414798A (en) | Flux-cored wire for coke-breaking roll overlaying welding | |
| CN105127614A (en) | Grinder roll overlaying dreg-free self-protection flux-cored wire | |
| CN104959194B (en) | A kind of cermet grinding roller and preparation method thereof | |
| CN103769770A (en) | Vanadium-titanium-niobium composite reinforced slag-free self-protection flux-cored wire for hardfacing | |
| CN104959747A (en) | Metal ceramic welding wire and preparation method thereof | |
| CN106271225B (en) | Hardfacing electrode and preparation method thereof | |
| CN109623192B (en) | Stainless steel welding rod core wire with extremely low temperature rise, stainless steel welding rod, preparation and application | |
| CN105665969B (en) | A kind of production method of corrosion-resisting steel welding welding rod special for special | |
| CN101653875B (en) | Flux-cored hard facing welding electrode | |
| CN104209662A (en) | Anti-crack wear-resistant overlaying welding flux-cored wire and preparing method of anti-crack wear-resistant overlaying welding flux-cored wire | |
| CN102581512B (en) | A kind of point defect control method for nickel-based weld joint | |
| CN108788538A (en) | One kind middle high fluorine-type sintered flux of titanium peculiar to vessel and preparation method thereof | |
| CN115846940A (en) | Welding rod for repairing cold-work die and preparation method thereof | |
| CN107363431A (en) | A kind of self-shield open arc built-up welding austenitic matrix flux-cored wire and its application process | |
| RU206282U1 (en) | Flux-cored wire for surfacing parts subject to high abrasive wear | |
| CN111922549B (en) | High-hardness wear-resistant surfacing welding electrode and preparation method thereof | |
| CN110900033B (en) | Gas shielded mineral powder type 314 heat-resistant stainless steel flux-cored wire | |
| TW201318758A (en) | Self-shielded flux cored welding wire | |
| CN108465979A (en) | A kind of Super-high Manganese high-silicon type sintered flux peculiar to vessel and preparation method thereof | |
| CN108788526A (en) | Low fluorine-type sintered flux of a kind of high-silicon high-manganese peculiar to vessel and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 610000 No. 1 Danyang Street, Ziliujing District, Zigong City, Sichuan Province Patentee after: Sichuan Atlantic China Welding Consumables, Inc. Address before: 610000 No. 2 Machongkou Street, Daan District, Zigong City, Sichuan Province Patentee before: Sichuan Atlantic China Welding Consumables, Inc. |