CN107225339A - A kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die and preparation method thereof - Google Patents
A kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die and preparation method thereof Download PDFInfo
- Publication number
- CN107225339A CN107225339A CN201710408647.1A CN201710408647A CN107225339A CN 107225339 A CN107225339 A CN 107225339A CN 201710408647 A CN201710408647 A CN 201710408647A CN 107225339 A CN107225339 A CN 107225339A
- Authority
- CN
- China
- Prior art keywords
- cored wire
- sandwich
- flux
- layers
- content
- 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
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
- B23K35/24—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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die and preparation method thereof; the chemical composition of medicine core is calculated in mass percent in the flux-cored wire; carbon element content 0.24 0.4%, silicon content 0.2 0.6%, manganese element content 0.8 1.2%, phosphorus element content≤0.02%, sulfur content≤0.02%, chromium content 1.8 2.5%, nickel element content 1.8 2.5%, molybdenum element content 1.2 1.6%; vanadium unit cellulose content 13 18%, surplus is iron and impurity.The invention provides a kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die; so that sandwich layer material is under the extreme operating condition of high temperature heavy load; the elastic deformation and stress dispersion capacity of sandwich of layers are improved, and the Forming Quality and welding usability of bond strength increase and sandwich of layers between sandwich of layers and steel casting die matrix and transition zone are more preferable.
Description
Technical field
The invention belongs to welding material manufacturing technology field, and in particular to it is a kind of for heavy-duty forging die have sandwich of layers from
Protect flux-cored wire and preparation method thereof.
Background technology
China's 80,000 tons of stamp forging hydraulic press of machinery industry dose necessary achievement (maximum stamp forging hydraulic press in the world) are certainly
Since 2013 put into operation, having been played in the manufacture of the large-scale vital part in the fields such as Aero-Space, the energy, ship to replace
The effect in generation.Coordinate shaping is difficult to become 80,000 tons of stamp forging hydraulic press and heavy-duty forging die tool now (single set weight is up to 60~100 tons)
Shape material (such as titanium alloy, high temperature alloy, unimach), now, the working region of heavy-duty forging die tool die cavity are in height
Under the extreme operating conditions such as (350-700 DEG C) of temperature heavily loaded (more than 40,000 tons load) so that heavy-duty forging die has the working region pole of die cavity
The Problem of Failure such as abrasion, deformation, cracking are also easy to produce, cause heavy-duty forging die tool after forging 2-3 part forging, deformation quantity reaches
More than 10mm so that heavy-duty forging die tool can not be continuing with；Further, since the size of present heavy-duty forging die tool is big
(the big 3-6m of single side size of heavy-duty forging die tool, die cavity projected area is up to 3-5 ㎡)；The use longevity for causing heavy-duty forging die to have
Order extremely short, cost high.
Current Publication No. CN104741499A, patent name is " a kind of sandwich of layers forging die and forging die sandwich of layers built-up welding
The Chinese patent of preparation method " discloses the design method by one layer of sandwich of layers of built-up welding between die matrix and transition zone,
So that, allow sandwich of layers to occur larger elastic deformation even small plastic deformation under high pressure, by the concentration below mold cavity
The rapid diffusive attenuation of peak stress, and be delivered to approaches uniformity distributed stress on cast steel substrate layer, so that cast steel substrate institute
The maximum stress received lowers, and cast steel substrate is safer in pressure-bearing, it is to avoid peak stress, which directly results in cast steel substrate and produced, to be split
Line, efficiently solve existing heavy-duty forging die tool easily occur under conditions of high temperature heavy load severe plastic deformation, cracking,
The technical problems such as short life.
Although proposing to solve large-scale hot forging by way of setting sandwich of layers between transition zone and die matrix at present
The problem of die life is short, but there is presently no the report seen about sandwich layer material correlative study.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：There is provided a kind of for large-scale heat
The self-shield flux-cored wire of forging mould sandwich of layers, solves existing sandwich layer material under the extreme operating condition of high temperature heavy load, folder
The elastic deformation and stress dispersion capacity of central layer are poor, and the bond strength between sandwich of layers and cast steel substrate and transition zone is small and presss from both sides
The technical problem of Forming Quality and the welding technological properties difference of central layer；A kind of heavy-duty forging die that is used for is additionally provided simultaneously has sandwich
The preparation method of the self-shield flux-cored wire of layer.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is as follows：
The chemical composition of medicine core in a kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die, the flux-cored wire
Be calculated in mass percent, carbon element content 0.24-0.4%, silicon content 0.2-0.6%, manganese element content 0.8-1.2%,
Phosphorus element content≤0.02%, sulfur content≤0.02%, chromium content 1.8-2.5%, nickel element content 1.8-
2.5%th, molybdenum element content 1.2-1.6%, vanadium unit cellulose content 13-18%, surplus are iron and impurity.
In the technical program, substantial amounts of experiment has been carried out by the degree to sandwich of layers material component and component,
It is disclosure satisfy that so that the heavy-duty forging die that the flux-cored wire built-up welding provided by the present invention is formed has sandwich of layers in 80,000 tons of die forging liquid
Molding large hardly possible becomes the performance requirement of shape Forging on press, because vanadium content is 13-18% in the technical program, in sandwich of layers
The middle formation equally distributed V-C types compound of graininess, improves heat endurance and toughness；Chrome content is 1.8-2.5%, forms suitable
The netted Cr-C types carbide of amount, is used as anti-deforming skeleton；Molybdenum element is carbide, and it can not only be with
Chromium, carbon formation double carbide further improve the high-temperature stability and crack resistance of silk material, additionally it is possible to preferential in molten bath
Separate out, Dispersed precipitate thinning microstructure；Nickel is non-carbide former, appropriate nickel reinforcing matrix, reduces superheated susceptivity, rises
To the effect of precipitation strength, good toughness is kept while the intensity and hardness of steel is improved；Silicon, manganese, carbon are fixed to deoxidation,
Strengthen the effect of self-shield；Therefore so that the sandwich of layers that flux-cored wire built-up welding produced by the present invention is formed mechanical property at normal temperatures
Following requirements can be disclosure satisfy that：Yield strength σ s >=750MPa, tension degree σ b >=1000MPa, compressive strength at 400 DEG C >=
750MPa, elongation percentage δ >=25%, shrinkage factor Ψ >=35%, Impact energy Ak v >=40J；So that the flux-cored wire heap that the present invention is provided
The sandwich of layers of shape is welded under the conditions of the extreme operating condition of high temperature (400 DEG C or so) heavily loaded (more than 40,000 tons), sandwich of layers can occur
Larger elastic deformation, and small plastic deformation can only occur for sandwich of layers, not be plastically deformed even so that can be by
Concentration peak stress (usual wedge shaped, harm is big) rapid diffusive attenuation below heavy-duty forging die tool die cavity, and with approximate equal
Even distributed stress is delivered on cast steel substrate layer, and protection heavy-duty forging die has integrally-built security, especially protects mould base
Body will not be damaged, it is to avoid be brought about great losses；And the hardness of flux-cored wire produced by the present invention is moderate, with good modeling
Property and toughness, while alloy compositions collocation is reasonable, with cast steel substrate and buffer layer material formation good transition so that in the present invention
Sandwich of layers and the bond strength of die matrix and transition zone are high, can effectively be lifted on 80,000 tons of stamp forging hydraulic press under high temperature heavy load
The die-forging forming ability of difficult-to-deformation material.
Preferably, the chemical composition of medicine core is calculated in mass percent in the flux-cored wire, carbon element content 0.32%,
Silicon content 0.4%, manganese element content 1.0%, phosphorus element content 0.01%, sulfur content 0.01%, chromium content
2.2%th, nickel element content 2.1%, molybdenum element content 1.4%, vanadium unit cellulose content 16%, surplus is iron and impurity.Flux-cored wire
Make the welding technological properties of flux-cored wire built-up welding more preferable using said ratio, and the sandwich of layers shaped by flux-cored wire built-up welding
Mechanical property it is more preferable, it is ensured that the mechanical property such as plasticity, toughness, intensity and hardness of flux-cored wire for preparing is more in the present invention
It is balanced.
It is used for the system that heavy-duty forging die has the self-shield flux-cored wire of sandwich of layers described in any one in claim 1-4
Preparation Method, comprises the following steps：
1) 1h is respectively dried in raw material at 120 DEG C, dried various raw material is entered respectively using 80 mesh sieve
Row screening, the raw material after screening are saved backup in the environment of 80 DEG C；Allow to effectively control starting material particle size, make it
Evenly, the self-shield effect of lifting deoxidier reactivity and Welding Metallurgy process.
2) raw material are weighed as desired, the raw material weighed are added in batch mixer and mix 2h, obtain medicine core powder；
3) after obtaining the progress ultrasonic wave cleaning of H08A steel bands and drying, the cross section of H08A steel bands is processed into U-shaped structure,
Then with powder adding machine by step 2) in obtained medicine core powder add in H08A steel bands after carry out roll forming, then by H08A steel
Band heals up to form flux-cored wire matrix；
4) using wire drawing die by step 3) in obtain flux-cored wire matrix and carry out drawing tube reducing, obtain a diameter of 1.6~
3.2mm flux-cored wire.
Preferably, the step 4) in obtained a diameter of 2.4mm of flux-cored wire.
The diameter of flux-cored wire is set to 2.4mm, so can be by the surface in having die cavity in heavy-duty forging die
3-5 layers of flux-cored wire of built-up welding can form sandwich of layers, on the one hand avoid that the built-up welding number of plies is very few, cause the institutional framework of sandwich of layers
It is difficult to control to, influences the effect of sandwich of layers；On the other hand, it is to avoid the built-up welding number of plies is excessive, the heat affecting for causing sandwich of layers to be subject to is big,
And welding job amount is big, and built-up welding efficiency is low；Therefore, this invention ensures that the toughness and plastic property of sandwich of layers so that sandwich
While layer is more preferable to the diffusivity of the concentration peak stress below heavy-duty forging die tool die cavity, it is ensured that sandwich of layers built-up welding efficiency
It is higher.
Compared with prior art, the present invention has the advantage that：
(1) in the technical program, substantial amounts of examination has been carried out by the degree to sandwich of layers material component and component
Test so that mechanical property disclosure satisfy that following requirements to the sandwich of layers that flux-cored wire built-up welding produced by the present invention is formed at normal temperatures：
Yield strength σ s >=750MPa, tension degree σ b >=1000Mpa, compressive strength >=750MPa at 400 DEG C, elongation percentage δ >=25%,
Shrinkage factor Ψ >=35%, Impact energy Ak v >=40J；Therefore, the sandwich of layers for the flux-cored wire built-up welding shaping that the present invention is provided is in high temperature
Under the conditions of the extreme operating condition of (400 DEG C or so) heavily loaded (more than 40,000 tons), larger elastic deformation can occur for sandwich of layers, and
Small plastic deformation can only occur for sandwich of layers, not be plastically deformed even so that heavy-duty forging die can have under die cavity
Concentration peak stress (generally wedge shaped, harm is big) the rapid diffusive attenuation in face, and casting is delivered to approaches uniformity distributed stress
On steel matrix layer, protection heavy-duty forging die has integrally-built security.
(2) the obtained hardness of flux-cored wire at normal temperatures is moderate in the present invention, and component to flux-cored wire and contains
Amount design so that the welding technological properties in the weld deposit process of flux-cored wire is good so that formed by flux-cored wire built-up welding
Sandwich of layers has good plasticity and toughness, while so that the combination between sandwich of layers difference steel casting die matrix and transition zone is strong
Degree reaches more than 1000MPa；The die-forging forming of difficult-to-deformation material under high temperature heavy load on 80,000 tons of stamp forging hydraulic press can effectively be lifted
Ability.
(3) ensureing that sandwich of layers is good containing elements such as appropriate silicon, manganese in the component of the flux-cored wire provided in the present invention
While good toughness and plasticity, also cause in welding process, silicon, manganese in flux-cored wire etc. in welding process with oxygen
Reaction, therefore argon gas or carbon dioxide need not be passed through during welding as protective gas so that flux-cored wire exists
The welding surroundings of the process formation anaerobic of welding can be acted on the flux-cored wire formation self-shield welded, therefore in medicine core
Silk material is nearly free from oxide skin during built-up welding forms sandwich of layers, and weld seam is attractive in appearance, also so that when multiple tracks multilayer is welded not
Scarfing cinder is needed, while improving the efficiency of table sandwich of layers built-up welding so that the better quality for the sandwich of layers that built-up welding is formed so that sandwich
Layer is more preferable to the effect for protecting steel casting die matrix.
Embodiment
The present invention is described in further detail with reference to specific embodiment.Specific medicine core silk described by following embodiments
The proportioning of material Chinese medicine core component, process conditions and the result is that in order to preferably explain the present invention, without constituting to present invention guarantor
Protect the restriction of scope.
Embodiment 1
1) 1h is respectively dried in raw material at 120 DEG C, dried various raw material is entered respectively using 80 mesh sieve
Row screening, the raw material after screening are saved backup in the environment of 80 DEG C；
2) the medicine core raw material in flux-cored wire are weighed according to following proportioning：Carbon element content 0.32%, silicon content
0.4%th, manganese element content 1%, phosphorus element content 0.01%, sulfur content 0.01%, chromium content 2.2%, nickel element
Content 2.1%, molybdenum element content 1.4%, vanadium unit cellulose content 16%, surplus is iron, and the raw material weighed are added into batch mixer
Middle mixing 2h, obtains medicine core powder；
3) after obtaining the progress ultrasonic wave cleaning of H08A steel bands and drying, the cross section of H08A steel bands is processed into U-shaped structure,
Then with powder adding machine by step 2) in obtained medicine core powder add in H08A steel bands after carry out roll forming, then by H08A steel
Band heals up to form flux-cored wire matrix；
4) using wire drawing die by step 3) in obtain flux-cored wire matrix and carry out drawing tube reducing, obtain a diameter of 2.4mm's
Flux-cored wire.
The sandwich of layers self-shield flux-cored wire built-up welding that is obtained in embodiment 1 is obtained into sample 1,2,33 times respectively；Control weldering
Electric current is connect for 250A, weldingvoltage is 28V, and speed of welding is 0.4m/min.Interlayer welding temperature is controlled at 300 DEG C.To obtaining
The welding technological properties of sample 1,2,3 and the mechanical property of the sandwich of layers formed to welding detect and obtain table 1.
Table 1 is the sandwich of layers of 3 formation of welding technological properties and flux-cored wire built-up welding of sample 1,2,3 in embodiment 1
Mechanical property table
Embodiment 2
1) 1h is respectively dried in raw material at 120 DEG C, dried various raw material is entered respectively using 80 mesh sieve
Row screening, the raw material after screening are saved backup in the environment of 80 DEG C；
2) the medicine core raw material in flux-cored wire are weighed according to following proportioning：Carbon element content 0.24%, silicon content
0.2%th, manganese element content 0.8%, phosphorus element content 0.01%, sulfur content 0.01%, chromium content 1.8%, nickel member
Cellulose content 1.8%, molybdenum element content 1.2%, vanadium unit cellulose content 13%, surplus is iron, and the raw material weighed are added into batch mixing
2h is mixed in machine, medicine core powder is obtained；
3) after obtaining the progress ultrasonic wave cleaning of H08A steel bands and drying, the cross section of H08A steel bands is processed into U-shaped structure,
Then with powder adding machine by step 2) in obtained medicine core powder add in H08A steel bands after carry out roll forming, then by H08A steel
Band heals up to form flux-cored wire matrix；
4) using wire drawing die by step 3) in obtain flux-cored wire matrix and carry out drawing tube reducing, obtain a diameter of 2.4mm's
Flux-cored wire.
The sandwich of layers self-shield flux-cored wire built-up welding that is obtained in embodiment 2 is obtained into sample 4,5,63 times respectively；Control weldering
Electric current is connect for 250A, weldingvoltage is 28V, and speed of welding is 0.4m/min.Interlayer welding temperature is controlled at 300 DEG C.To obtaining
The welding technological properties of sample 4,5,6 and the mechanical property of the sandwich of layers formed to welding detect and obtain table 2.
Table 2 is the sandwich of layers of 3 formation of welding technological properties and flux-cored wire built-up welding of sample 4,5,6 in embodiment 2
Mechanical property table
Embodiment 3
1) 1h is respectively dried in raw material at 120 DEG C, dried various raw material is entered respectively using 80 mesh sieve
Row screening, the raw material after screening are saved backup in the environment of 80 DEG C；
2) the medicine core raw material in flux-cored wire are weighed according to following proportioning：Carbon element content 0.4%, silicon content
0.6%th, manganese element content 1.2%, phosphorus element content 0.01%, sulfur content 0.01%, chromium content 2.5%, nickel member
Cellulose content 2.5%, molybdenum element content 1.6%, vanadium unit cellulose content 18%, surplus is iron, and the raw material weighed are added into batch mixing
2h is mixed in machine, medicine core powder is obtained；
3) after obtaining the progress ultrasonic wave cleaning of H08A steel bands and drying, the cross section of H08A steel bands is processed into U-shaped structure,
Then with powder adding machine by step 2) in obtained medicine core powder add in H08A steel bands after carry out roll forming, then by H08A steel
Band heals up to form flux-cored wire matrix；
4) using wire drawing die by step 3) in obtain flux-cored wire matrix and carry out drawing tube reducing, obtain a diameter of 2.4mm's
Flux-cored wire.
The sandwich of layers self-shield flux-cored wire built-up welding that is obtained in embodiment 3 is obtained into sample 7,8,93 times respectively；Control weldering
Electric current is connect for 250A, weldingvoltage is 28V, and speed of welding is 0.4m/min.Interlayer welding temperature is controlled at 300 DEG C.To obtaining
The welding technological properties of sample 7,8,9 and the mechanical property of the sandwich of layers formed to welding detect and obtain table 3.
Table 3 is the sandwich of 3 formation of welding technological properties and flux-cored wire built-up welding of obtained flux-cored wire in embodiment 3
The mechanical property of layer
Put into practice, had using the heavy-duty forging die with " sandwich of layers " structure, on 80,000 tons of press at present through actual production
The batch of yoke forge piece 7 is fished through producing certain model titanium alloy, does not occur the failure such as severe plastic deformation, cracking, cast steel substrate is obtained
Effectively protection, effect is notable.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (5)
1. a kind of self-shield flux-cored wire for having sandwich of layers for heavy-duty forging die, it is characterised in that medicine core in the flux-cored wire
Chemical composition be calculated in mass percent, carbon element content 0.24-0.4%, silicon content 0.2-0.6%, manganese element content
0.8-1.2%, phosphorus element content≤0.02%, sulfur content≤0.02%, chromium content 1.8-2.5%, nickel element content
1.8-2.5%, molybdenum element content 1.2-1.6%, vanadium unit cellulose content 13-18%, surplus is iron and impurity.
2. the self-shield flux-cored wire according to claim 1 for having sandwich of layers for heavy-duty forging die, it is characterised in that should
The chemical composition of medicine core is calculated in mass percent in flux-cored wire, carbon element content 0.32%, silicon content 0.4%, manganese element
Content 1.0%, phosphorus element content 0.01%, sulfur content 0.01%, chromium content 2.2%, nickel element content 2.1%, molybdenum element
Content 1.4%, vanadium unit cellulose content 16%, surplus is iron and impurity.
3. the self-shield flux-cored wire according to claim 1 for having sandwich of layers for heavy-duty forging die, it is characterised in that institute
State flux-cored wire built-up welding formation sandwich of layers mechanical property is at normal temperatures：Yield strength σ s >=750MPa, tension degree σ b >=
1000MPa, compressive strength >=750MPa at 400 DEG C, elongation percentage δ >=25%, shrinkage factor Ψ >=35%, Impact energy Ak v >=40J.
4. it is used for the preparation that heavy-duty forging die has the self-shield flux-cored wire of sandwich of layers described in any one in claim 1-3
Method, it is characterised in that comprise the following steps：
1）1h is respectively dried at 120 DEG C in raw material, dried various raw material are sieved respectively using 80 mesh sieve
Point, the raw material after screening are saved backup in the environment of 80 DEG C；
2）Raw material are weighed as desired, the raw material weighed are added in batch mixer and mix 2h, obtain medicine core powder；
3）After obtaining the progress ultrasonic wave cleaning of H08A steel bands and drying, the cross section of H08A steel bands is processed into U-shaped structure, then
With powder adding machine by step 2）In obtained medicine core powder add in H08A steel bands after carry out roll forming, then H08A steel bands are closed
Mouth forms flux-cored wire matrix；
4）Using wire drawing die by step 3）In obtain flux-cored wire matrix carry out drawing tube reducing, obtain a diameter of 1.6 ~ 3.2mm's
Flux-cored wire.
5. the preparation method of the self-shield flux-cored wire according to claim 4 for having sandwich of layers for heavy-duty forging die, its
It is characterised by, the step 4）In obtained a diameter of 2.4mm of flux-cored wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408647.1A CN107225339B (en) | 2017-06-02 | 2017-06-02 | A kind of self-shield flux-cored wire and preparation method thereof for heavy-duty forging die tool sandwich of layers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710408647.1A CN107225339B (en) | 2017-06-02 | 2017-06-02 | A kind of self-shield flux-cored wire and preparation method thereof for heavy-duty forging die tool sandwich of layers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225339A true CN107225339A (en) | 2017-10-03 |
| CN107225339B CN107225339B (en) | 2019-04-05 |
Family
ID=59933472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710408647.1A Active CN107225339B (en) | 2017-06-02 | 2017-06-02 | A kind of self-shield flux-cored wire and preparation method thereof for heavy-duty forging die tool sandwich of layers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107225339B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314996A (en) * | 2000-05-01 | 2001-11-13 | Kobe Steel Ltd | Flux-cored wire for gas shielded arc welding for heat resisting steel |
| CN1923436A (en) * | 2006-09-08 | 2007-03-07 | 攀钢集团攀枝花钢铁研究院 | Pile-up welding flux-cored wire for restoring cold rolling intermediate roller buffer layer and method for manufacturing same |
| CN101850482A (en) * | 2010-06-23 | 2010-10-06 | 南通晨曦焊业有限公司 | Continuous casting roll hardfacing flux-cored wire |
| CN102500956A (en) * | 2011-11-12 | 2012-06-20 | 山东聚力焊接材料有限公司 | Blow-hole-resistant flux-cored wire |
| CN104955610A (en) * | 2013-01-31 | 2015-09-30 | 新日铁住金株式会社 | Flux cored wire, welding method using flux cored wire, method for producing welded joint using flux cored wire, and welded joint |
| CN105195925A (en) * | 2014-06-11 | 2015-12-30 | 上海司迈尔特种合金材料有限公司 | Carbon dioxide arc welding wire with small diameter of 1.6 mm and high alloy content |
| CN106624447A (en) * | 2016-12-27 | 2017-05-10 | 秦皇岛鸿翔焊业有限公司 | Flux-cored wire for overlaying repair remanufacturing of two intermediate rollers of Sendzimir mill and manufacturing method thereof |
-
2017
- 2017-06-02 CN CN201710408647.1A patent/CN107225339B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001314996A (en) * | 2000-05-01 | 2001-11-13 | Kobe Steel Ltd | Flux-cored wire for gas shielded arc welding for heat resisting steel |
| CN1923436A (en) * | 2006-09-08 | 2007-03-07 | 攀钢集团攀枝花钢铁研究院 | Pile-up welding flux-cored wire for restoring cold rolling intermediate roller buffer layer and method for manufacturing same |
| CN101850482A (en) * | 2010-06-23 | 2010-10-06 | 南通晨曦焊业有限公司 | Continuous casting roll hardfacing flux-cored wire |
| CN102500956A (en) * | 2011-11-12 | 2012-06-20 | 山东聚力焊接材料有限公司 | Blow-hole-resistant flux-cored wire |
| CN104955610A (en) * | 2013-01-31 | 2015-09-30 | 新日铁住金株式会社 | Flux cored wire, welding method using flux cored wire, method for producing welded joint using flux cored wire, and welded joint |
| CN105195925A (en) * | 2014-06-11 | 2015-12-30 | 上海司迈尔特种合金材料有限公司 | Carbon dioxide arc welding wire with small diameter of 1.6 mm and high alloy content |
| CN106624447A (en) * | 2016-12-27 | 2017-05-10 | 秦皇岛鸿翔焊业有限公司 | Flux-cored wire for overlaying repair remanufacturing of two intermediate rollers of Sendzimir mill and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107225339B (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104894483B (en) | Powder metallurgy wear resistant tools steel | |
| CN103339274B (en) | The method of smelting of the near β titanium alloy containing (4.0-6.0) %Al-(4.5-6.0) %Mo-(4.5-6.0) %V-(2.0-3.6) %Cr-(0.2-0.5) %Fe-(0.1-2.0) %Zr | |
| US11951530B2 (en) | High-strength stainless steel rotor and method for preparing the same | |
| CN109207765A (en) | The method that power forging prepares oxide-dispersed alloy | |
| CN101837458A (en) | Iron alloy-based composite hard alloy roller and production method thereof | |
| CN104388812A (en) | High-speed steel composite roller for rods/wires and preparation method of high-speed steel composite roller | |
| CN107175426B (en) | A kind of self-shield flux-cored wire and preparation method thereof for heavy-duty forging die tool surface peening | |
| CN106521241A (en) | Deformable zinc alloy capable of achieving cold heading and application of deformable zinc alloy | |
| CN102061426B (en) | 400-420mm large-thickness low-alloy high-strength constructional steel and production method thereof | |
| CN104259692B (en) | A kind of preparation method for automobile robot automatic welding station resistance welding electrode | |
| CN110923522A (en) | Method for forming high-performance wide-width aluminum alloy plate | |
| CN103993144A (en) | Method for production of H13 die steel by bloom continuous casting | |
| CN104289830B (en) | A kind of preparation method of the resistance welding electrode coupling nickel sheet for lithium battery | |
| CN101554689B (en) | Flux-cored alloyed cast iron homogeneous gas-welding wire and electric welding rod | |
| CN107225339B (en) | A kind of self-shield flux-cored wire and preparation method thereof for heavy-duty forging die tool sandwich of layers | |
| CN106467952A (en) | A kind of new alloy material being applied to rotating shuttle manufacture and its application | |
| CN114606408B (en) | Preparation method of high-strength titanium alloy for 700-800 DEG C | |
| CN109894772A (en) | A kind of flux-cored wire and preparation method thereof for fist formula biomimetic features heavy-duty forging die tool skin layer | |
| CN102921852A (en) | Preparation method of Ti31 titanium alloy flange forge piece | |
| CN109971999A (en) | A kind of 1500MPa grades of superelevation be strong, in tough titanium alloy | |
| CN106011605A (en) | Hard alloy roller ring | |
| CN107604229A (en) | A kind of hot-strength iron-base alloy and preparation method thereof | |
| CN105950911A (en) | Multi-element solid solution strengthening heat-resistant titanium alloy | |
| CN106868404A (en) | A kind of rotating shuttle new alloy material and its application | |
| CN103056164B (en) | Reinforced chilled roll and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190311 Address after: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing Applicant after: Chongqing University Applicant after: Chongqing Jiepin Technology Co., Ltd. Applicant after: Chongqing Fositan Intelligent Equipment Co., Ltd. Address before: 400044 No. 174 Sha Jie street, Shapingba District, Chongqing Applicant before: Chongqing University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |