CN106077992B - A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing - Google Patents
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing Download PDFInfo
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- CN106077992B CN106077992B CN201610533124.5A CN201610533124A CN106077992B CN 106077992 B CN106077992 B CN 106077992B CN 201610533124 A CN201610533124 A CN 201610533124A CN 106077992 B CN106077992 B CN 106077992B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 239000002893 slag Substances 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000010891 electric arc Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 239000011733 molybdenum Substances 0.000 claims abstract description 8
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims abstract description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052656 albite Inorganic materials 0.000 claims abstract description 7
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 7
- 239000004579 marble Substances 0.000 claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 6
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010436 fluorite Substances 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 7
- 239000004615 ingredient Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- 239000013078 crystal Substances 0.000 abstract description 6
- 239000003818 cinder Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 229910001338 liquidmetal Inorganic materials 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 49
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 229910000967 As alloy Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000254158 Lampyridae Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- VYQRBKCKQCRYEE-UHFFFAOYSA-N ctk1a7239 Chemical compound C12=CC=CC=C2N2CC=CC3=NC=CC1=C32 VYQRBKCKQCRYEE-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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
- B23K35/3033—Ni 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The present invention relates to a kind of micro- slag gas-shielded flux-cored wires suitable for mold electric arc increasing material manufacturing, are made of steel band package powder core, comprising component A, component B and component C, component A includes according to weight percent：Rutile：30 ~ 45%, ice crystal：4 ~ 7%, fluorite：8 ~ 14%, marble：10 20%, magnesia：8 ~ 14%, potassium titanate：8 ~ 14%, albite：10~22%；Component B includes according to weight percent：Almag：5 ~ 20%, ferrotianium：5 ~ 15%, metallic nickel：26 ~ 40%, metal molybdenum：8 ~ 20%, crome metal：12 ~ 24%, 45# ferrosilicon：10 ~ 18%, manganese metal：10~28%；Component C is iron powder and impurity.Flux-cored wire postwelding of the present invention forms micro slag, thin and uniform fold is in deposited metal surface, slag is tilted and is come off automatically after cooling, it can realize not scarfing cinder multi-layer welding, and spatter is few, arc stability, liquid metal does not trickle, forming is beautiful, has excellent welding technological properties, and deposited metal has good comprehensive mechanical property.
Description
Technical field
The present invention relates to technical field of welding materials more particularly to a kind of micro- slag gas suitable for mold electric arc increasing material manufacturing
Protect flux-cored wire.
Background technology
Mold is the very big a kind of key spare parts of forging industry consumption, bears higher cyclic loading for a long time, easily
Failure, scraps.The length of die life directly influences the efficiency of production, the quality of part and production cost.Mesh
Before, generally the mold after failure is repaired using manual electric arc pile up welding, can effectively be prolonged the service life.But by hand
Built-up welding cannot automatically continuous built-up welding, working efficiency is low, labor intensity is big, working environment is severe, welding quality is by human factor
It influences big.With the development of increases material manufacturing technology, mold is repaired using mechanical arm and is lacked more than can effectively making up
Point.But the report that the welding material special suitable for electric arc increasing material manufacturing is succeeded in developing is had no so far.
Therefore, the development of mold electric arc increasing material manufacturing moulding material and exploitation are urgent problems to be solved in the technology.Electricity
Arc increasing material manufacturing flux-cored wire is the wlding for implementing automatic welding for robot.Robot welding flux-cored wire should have height
Effect, continuous unbroken feature, and to processing performance with the requirement of higher technology.Mold electric arc increasing material manufacturing generally uses
The mode of multiple tracks multi-layer welding, if the slag generated in the welding process mustn't go to timely cleaning, it will influence weld seam
The mechanical property of Forming Quality and deposited metal, but if wanting molten slag removal, it is necessary to welding process is interrupted, and weldering can be destroyed
The continuity connect reduces welding efficiency, increases workload.
Flux-cored wire slag primarily serves mechanical protection, Metallurgical processing and the important function for improving welding technological properties.
Micro- slag gas-shielded flux-cored wire its chemical metallurgy condition compared with common gas protection wire is varied widely with metallurgical behavior,
Molding and the performance of electric arc increasing material manufacturing deposited metal can be influenced to a certain extent.Problem above largely limits medicine
Application of the core welding wire in mold electric arc increasing material manufacturing.
To solve the above problems, need to study flux for flux-cored wire formula, develop a kind of processing performance it is good, can be real
Now continuous welding, micro- slag gas-shielded flux-cored wire that good mechanical performance is suitable for mold electric arc increasing material manufacturing become research at present
Direction.
Invention content
The technical problems to be solved by the invention are to overcome the deficiencies of the prior art and provide a kind of mold electric arc that is suitable for increase
Micro- slag gas-shielded flux-cored wire of material manufacture, solves the problems, such as scarfing cinder in mold electric arc increasing material manufacturing welding process, realizes weldering
The continuity of termination process, and ensure the good welding technological properties of welding wire and the good mechanical property of deposited metal.
For solution more than technical problem, a kind of technical solution that the present invention takes is：
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing is made of steel band package powder core, wraps
A containing component, component B and component C, component A include according to weight percent：Rutile：30~45%, ice crystal：4~7%, firefly
Stone：8~14%, marble：10-20%, magnesia：8~14%, potassium titanate：8~14%, albite：10~22%；Component B is pressed
Include according to weight percent：Almag：5~20%, ferrotianium：5~15%, metallic nickel：26~40%, metal molybdenum：8~
20%, crome metal：12~24%, 45# ferrosilicon：10~18%, manganese metal：10~28%；Component C be iron powder and impurity, component A
The 2.2~5.4% of powder core total weight are accounted for, the weight ratio of component B and component C is 35~55: 100.
Preferably, steel band is H08A steel bands, and steel band ingredient percent range is as follows：C：0.01-0.02%, Mn：
0.20-0.25%, Si≤0.11%, S ＜ 0.011%, P ＜ 0.008%, surplus are the content of iron and impurity, wherein Si, S, P
It is not 0.
Preferably, powder core filling rate 20-27%.
Preferably, the CO that protection gas is 20% in welding2With 80% Ar2Composition.
Above-mentioned micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing produces work using conventional flux-cored wire
Skill manufactures, and specific production technology is：
(1) substance needed for powder core component is required in proportion with powder；
(2) powder core prepared in step 1 dried, sieve powder, mixed powder processing；
(3) steel band first passes through cleaning, drying, by overmolding Roller Machining into U row slots；
(4) medicinal powder is inserted in U-type groove steel band by certain filling rate, has then installed the U-shaped steel band of medicinal powder by being closed
Molding roller rolls into flux cored wire；
(5) last flux cored wire is admitted to drawing machine, and reducing diameter by drawing processes to obtain welding wire.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art：
1st, the present invention is suitable for micro- slag gas-shielded flux-cored wire of mold electric arc increasing material manufacturing, in each composition proportions of component A
Under the conditions of, welding slag can obtain suitable viscosity and surface tension, since component A contents are only medicinal powder ingredient total amount
2.2-5.4%, the slag of generation is seldom, under surface tension effects, slag under molten condition can thin and uniform fold in
Deposited metal surface, liquid metal do not trickle, and molding is good；In multi-layer multi-pass welding, due to the slag fusing point of generation
Relatively low, slag is quickly converted to molten condition, and floating and weld pool surface again, after cooling, due to the slag and deposition of generation
Expansion coefficients of metal wire difference is larger, and slag tilts automatically is detached from deposited metal surface, therefore can realize that not scarfing cinder is continuous
Welding process；
2nd, the present invention is suitable for micro- slag gas-shielded flux-cored wire of mold electric arc increasing material manufacturing, and component B is alloy in medicinal powder
Agent and deoxidier, nickel, molybdenum, chromium, manganese, silicon are added thereto as alloy strengthening element, almag, ferrotianium as strong deoxidier,
In arc welding process, with the O in reaction zone2、CO2Reacting reduces arc atmosphere oxidisability, progress precedent desoxydation, and manganese,
Silicon is other than as alloy strengthening element, and progress precipitation desoxydation plays a significant role in molten drop and molten bath, by a large amount of real
It tests, present invention determine that deoxidier is matched with each component content of alloying constituent in medicine core component B, is had under the conditions of micro- slag gas shielded
There is the deposited metal of excellent mechanical performances.
Specific embodiment
The present invention is described in further details below in conjunction with specific embodiment.It should be understood that these embodiments are for saying
The bright basic principles, principal features and advantages of the present invention, and the present invention is not by the scope limitation of following embodiment.It is adopted in embodiment
Implementation condition can do further adjustment according to specific requirement, and the implementation condition being not specified is usually the item in routine experiment
Part.
Embodiment 1
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing, it wraps up powder using H08A steel bands
This product is made by flux-cored wire manufacture craft in core.Powder core includes component A, component B and component C, and component A is according to weight percent
Than including：Rutile：32%, ice crystal (fluoride)：6%, fluorite：12%, marble：10%, magnesia：12%, potassium titanate：
10%, albite：18%；Component B includes according to weight percent：Almag：6%, ferrotianium：6%, metallic nickel：28%, gold
Belong to molybdenum：10%, crome metal：12%, 45# ferrosilicon：14%, manganese metal：24%；Component C be iron powder and inevitable impurity,
Component A accounts for the 3.8% of powder core total weight, and the weight ratio of component B and component C is 38: 100, powder core filling rate 26%, steel band into
Sub-prime amount percentage range is as follows：C：0.01-0.02%, Mn：0.20-0.25%, Si≤0.11%, S ＜ 0.011%, P ＜
0.008%, surplus is iron and impurity, and the wherein content of Si, S, P is not 0.
The present embodiment be suitable for mold electric arc increasing material manufacturing micro- slag gas-shielded flux-cored wire welding when protection gas be
20% CO2With 80% Ar2Composition.
Embodiment 2
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing, it wraps up powder using H08A steel bands
This product is made by flux-cored wire manufacture craft in core.Powder core includes component A, component B and component C three parts, and component A is according to weight
Amount percentage includes：Rutile：30%, ice crystal (fluoride)：5%, fluorite：10%, marble：14%, magnesia：10%,
Potassium titanate：13%, albite：18%；Component B includes according to weight percent：Almag：10%, ferrotianium：6%, metal
Nickel：26%, metal molybdenum：10%, crome metal：12%, 45# ferrosilicon：17%, manganese metal：19%；Component C is iron powder and can not
The impurity avoided, component A account for the 5.0% of powder core total weight, and the weight ratio of component B and component C is 40: 100, and powder core filling rate is
27%, steel band ingredient percent range is as follows：C：0.01-0.02%, Mn：0.20-0.25%, Si≤0.11%, S ＜
0.011%, P ＜ 0.008%, surplus are iron and impurity, and the wherein content of Si, S, P is not 0.
The present embodiment be suitable for mold electric arc increasing material manufacturing micro- slag gas-shielded flux-cored wire welding when protection gas be
20% CO2With 80% Ar2Composition.
Embodiment 3
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing, it wraps up powder using H08A steel bands
This product is made by flux-cored wire manufacture craft in core.Powder core includes component A, component B and component C three parts, and component A is according to weight
Amount percentage includes：Rutile：40%, ice crystal (fluoride)：4%, fluorite：8%, marble：12%, magnesia：8%, titanium
Sour potassium：11%, albite：17%；Component B includes according to weight percent：Almag：12%, ferrotianium：6%, metallic nickel：
26%, metal molybdenum：14%, crome metal：12%, 45# ferrosilicon：10%, manganese metal：20%；Component C is for iron powder and unavoidably
Impurity, component A accounts for the 4.4% of powder core total weight, and the weight ratio of component B and component C is 42: 100, and powder core filling rate is
25%, steel band ingredient percent range is as follows：C：0.01-0.02%, Mn：0.20-0.25%, Si≤0.11%, S ＜
0.011%, P ＜ 0.008%, surplus are iron and impurity, and the wherein content of Si, S, P is not 0.
The present embodiment be suitable for mold electric arc increasing material manufacturing micro- slag gas-shielded flux-cored wire welding when protection gas be
20% CO2With 80% Ar2Composition.
Embodiment 4
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing, it wraps up powder using H08A steel bands
This product is made by flux-cored wire manufacture craft in core.Powder core includes component A, component B and component C three parts, and component A is according to weight
Amount percentage includes：Rutile：36%, ice crystal (fluoride)：6%, fluorite：12%, marble：16%, magnesia：12%,
Potassium titanate：8%, albite：10%；Component B includes according to weight percent：Almag：10%, ferrotianium：8%, metallic nickel：
28%, metal molybdenum：13%, crome metal：13%, 45# ferrosilicon：12%, manganese metal：16%；Component C is for iron powder and unavoidably
Impurity, component A accounts for the 2.5% of powder core total weight, and the weight ratio of component B and component C is 40: 100, and powder core filling rate is
26%, steel band ingredient percent range is as follows：C：0.01-0.02%, Mn：0.20-0.25%, Si≤0.11%, S ＜
0.011%, P ＜ 0.008%, surplus are iron and impurity, and the wherein content of Si, S, P is not 0.
It is 20% that the present embodiment, which is suitable for protection gas during micro- slag gas-shielded flux-cored wire welding of mold electric arc increasing material manufacturing,
CO2With 80% Ar2Composition.
The processing performance and mechanical property of 1- of embodiment of the present invention embodiments 4 are as shown in the table：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Splashing and flue dust | It is good | It is good | It is excellent | It is good |
| Surface forming | It is good | It is good | It is good | It is excellent |
| Arc stability | It is good | It is good | It is excellent | It is good |
| 0 DEG C of ballistic work (J) | 68 | 65 | 74 | 70 |
| Yield strength (MPa) | 670 | 665 | 678 | 682 |
| Tensile strength (MPa) | 714 | 698 | 705 | 720 |
| The contraction percentage of area (%) | 13 | 12 | 17 | 15 |
A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing provided by the present invention, realizing makes
The purpose of slag is not struck in continuous welding during carrying out mold increasing material manufacturing with flux-cored wire, and flux-cored wire can both meet mechanical property
It can require, and with good welding technological properties, spatter is less, arc stability, and forming is good.
The present invention is described in detail above, the explanation of embodiment be merely used to help understand the present invention method and
Its core concept, its object is to allow the personage for being familiar with this field technology that can understand present disclosure and implement according to this, and
It cannot be limited the scope of the invention with this.Any equivalent change or modification in accordance with the spirit of the invention should all be contained
Lid is within protection scope of the present invention.
Claims (1)
1. a kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing is made of steel band package powder core, special
Sign is：Comprising component A, component B and component C, the component A includes according to weight percent：Rutile：30~45%, ice
Spar：4~7%, fluorite：8~14%, marble：10-20%, magnesia：8~14%, potassium titanate：8~14%, albite：10
~22%；The component B includes according to weight percent：Almag：5~20%, ferrotianium：5~15%, metallic nickel：26~
40%, metal molybdenum：8~20%, crome metal：12~24%, 45# ferrosilicon：10~18%, manganese metal：10~28%；The component
C is iron powder and impurity, and the component A accounts for the 2.2~5.4% of powder core total weight, and the weight ratio of the component B and component C is 35
~55: 100；The steel band is H08A steel bands, and the steel band ingredient percent range is as follows：C：0.01-0.02%, Mn：
0.20-0.25%, Si≤0.11%, S ＜ 0.011%, P ＜ 0.008%, surplus are the content of iron and impurity, wherein Si, S, P
It is not 0；Powder core filling rate is 20-27%；The CO that protection gas is 20% in welding2With 80% Ar2Composition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533124.5A CN106077992B (en) | 2016-07-07 | 2016-07-07 | A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610533124.5A CN106077992B (en) | 2016-07-07 | 2016-07-07 | A kind of micro- slag gas-shielded flux-cored wire suitable for mold electric arc increasing material manufacturing |
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| CN106077992A CN106077992A (en) | 2016-11-09 |
| CN106077992B true CN106077992B (en) | 2018-06-19 |
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