CN106112304B - A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof - Google Patents
A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof Download PDFInfo
- Publication number
- CN106112304B CN106112304B CN201610607718.6A CN201610607718A CN106112304B CN 106112304 B CN106112304 B CN 106112304B CN 201610607718 A CN201610607718 A CN 201610607718A CN 106112304 B CN106112304 B CN 106112304B
- Authority
- CN
- China
- Prior art keywords
- mesh
- manganese
- welding wire
- welding
- ferro
- 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
- B23K35/02—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
-
- 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
-
- 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
Abstract
The present invention discloses a kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, and using mild-carbon steel strip as crust, drug core component is by mass percentage：60~72% 80 mesh high carbon ferro-chromes, 12~18% 80 mesh electrolytic manganese powders, 1~2% graphite, 2~8% ferro-boron, 1~4% 60 mesh almags, 2~6% ferrosilicon, surplus is 80 mesh iron powders, wherein, with the two kinds of granularity additions of 60 mesh and 200 mesh, medicine core powder accounts for the 54 58% of welding wire gross weight for graphite, ferro-boron, almag and ferrosilicon.Welding wire provided by the invention, the good processing performance of welding wire is ensure that by the addition of more granularity deoxidiers, by being added to more large content of Mn elements in medicine core, effectively facilitates the formation of " Binder Phase " austenite structure, the toughness for effectively improving hardfacing alloy, to improve its crack resistance.And since Mn is solid-solution in M7C3Among, further improve M7C3Hardness.The comprehensive function of two aspects so that the wearability of rich chromium cast iron hardfacing alloy is effectively improved.
Description
Technical field
The invention belongs to the welding fields in Materials Processing Engineering, more particularly to a kind of manganese Strengthening and Toughening rich chromium cast iron self-insurance
Protect flux-cored wire and preparation method thereof.
Background technology
Built-up welding is widely used in the reparation of all kinds of wear parts or remanufactures as a kind of green manufacturing technique.Due at
This is cheap in addition convenient for preparing, with M7C3Type carbide (M=Cr, Fe) is that the rich chromium cast iron hardfacing alloy of wear-resisting skeleton obtains extensively
General application.Coarse M in the hypereutectic tissue of rich chromium cast iron hardfacing alloy7C3On the one hand type carbide has more for improving wearability
On the other hand benifit itself is susceptible to metallurgical imperfection and micro-crack, brittleness is very big, becomes hardfacing alloy during military service
Develop into the macroscopic cracking even major reason of cracking destruction.Therefore, overcome traditional high-chromium cast iron-type hardfacing alloy crack resistance
The defect of difference is a hot subject for developing technique for overlaying in recent years.
Generally use reduces the method for C and alloying element content so that high-chromium cast iron-type hardfacing alloy is by hypereutectic tissue
Change to hypoeutectic structure, to obtain enough toughness；However it reduces C and alloying element content to also result in hardfacing alloy hard
Degree is decreased obviously, and wearability can not also be ensured.It is worth noting that, the austenitic type in high-chromium cast iron-type hardfacing alloy is seemingly
" Binder Phase " in hard alloy.The method being modified by ingredient, suitably increases this " Binder Phase "-austenite, will change
The new thought of kind high-chromium cast iron-type hardfacing alloy crack resistance.
Invention content
Goal of the invention：To solve the technical problems existing in the prior art, the present invention provides a kind of high chromium casting of manganese Strengthening and Toughening
Iron self protection pile-up welding flux core welding wire and preparation method thereof.
Technology contents：To realize the above-mentioned technical purpose, the present invention proposes a kind of manganese Strengthening and Toughening rich chromium cast iron self-shield built-up welding
Flux-cored wire, including mild-carbon steel strip and medicine core, flux cored filler is in steel band, and the drug core component mass percentage range is such as
Under：60~72% 80 mesh high carbon ferro-chromes, 12~18% 80 mesh electrolytic manganese powders, 1~2% graphite, 2~8% ferro-boron, 1
~4% almag, 2~6% ferrosilicon, surplus be 80 mesh iron powders, wherein graphite, ferro-boron, almag and ferrosilicon with
The two kinds of granularity additions of 60 mesh and 200 mesh, wherein medicine core powder accounts for the 54-58% of welding wire gross weight.
Preferably, the high carbon ferro-chrome phosphorus content is 9~10wt%, chrome content is 60~70wt%, remaining is iron；
The ferrosilicon silicon content is 72~80wt%, remaining is iron；The ferro-boron boron content is 19~25wt%, remaining is iron；
The almag aluminum content is 47~53wt%, remaining is magnesium.
Preferably, varigrained graphite in the medicine core：The graphite of the graphite of 60 mesh and 200 mesh, and with mass ratio 1:1
The mode of combination is added.
Preferably, varigrained ferro-boron in the medicine core：The ferro-boron of the ferro-boron of 60 mesh and 200 mesh, and with mass ratio 1:1
The mode of combination is added.
Preferably, in the medicine core different-grain diameter almag：The almag of the almag of 60 mesh and 200 mesh,
And with mass ratio 1:The mode of 1 combination is added.
Preferably, in the medicine core different-grain diameter ferrosilicon：The ferrosilicon of the ferrosilicon of 60 mesh and 200 mesh, and with mass ratio 1:1
The mode of combination is added.
Preferably, in the medicine core, the grain size of high carbon ferro-chrome, ferrosilicon and iron powder component in the medicine core is equal to 80
Mesh.
Preferably, in the medicine core, the mild-carbon steel strip thickness × width is 0.5 × 21mm.
Preferably, in the medicine core, in a diameter of 2.8mm, 3.2mm, 3.5mm, 3.8mm and 4.2mm of the welding wire
Any one.
The preparation method of above-mentioned manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, includes the following steps：
(1) mild steel steel band is rolled into U-shaped using molding roller, then by dust feeder by the present invention medicine core powder
It is added in U-lag by the 54-58% of welding wire gross weight of the present invention；
(2) U-lag is healed up, makes medicine core package wherein, by wire drawing die, by road drawing, tube reducing, finally reaches its diameter
To 2.8~4.2mm, final products are obtained.
Each component main function is as follows in above-mentioned medicine core：
High carbon ferro-chrome：The transition alloy elements Cr into deposited metal, and C element is provided.
Manganese powder：Transition alloy elements Mn, solution strengthening M7C3Carbide promotes the formation of " Binder Phase " austenite.
Ferro-boron：Deoxidation reduces weld pool surface tension, improves figuration of bead.
Graphite：C element is provided, deoxidation forms CO, and reduces the partial pressure of oxygen in welding atmosphere and nitrogen partial pressure.
Almag：Deoxidation, fixed nitrogen enhance self-shield effect.
Ferrosilicon：Si is oozed in deoxidation.
By the effect summary of each component in above-mentioned technical proposal and medicine core it is understood that the present invention in medicine core due to adding
More large content of Mn elements, M is primarily present in hardfacing alloy tissue7C3Among, and small amount is present in matrix,
Mn promotes the formation of " Binder Phase " austenite structure, effectively improves hardfacing alloy as a kind of austenite former simultaneously
Toughness, to improve its crack resistance, improve wearability.On the other hand, since Mn is solid-solution in M7C3Among, it further improves
M7C3Hardness.
In addition, graphite in medicine core, ferro-boron, almag and ferrosilicon granularity it is equal there are two types of：60 mesh and 200 mesh, with granularity
The mode of difference combination is added.In the whole welding process, the molten drop stage of existing extreme temperatures, and the molten bath for having temperature slightly lower
Stage, whichever are required for effectively avoiding air pollution just that qualified welding deposited metal can be obtained in stage, and seminar passes through
Early period, a large amount of engineer testing was found, the self-shield that welding wire can be obviously improved by varigrained above-mentioned medicine core component is imitated
Fruit.This, which is varigrained powder, has different oxidation activities.The new of chemical metallurgy reactivity is controlled by component particle size
Thinking adds superfine 200 mesh graphite, ferro-boron, almag and ferrosilicon in medicine core, is carried out in the welding temperature rise period using it
Effective precedent desoxydation, while thicker 60 mesh graphite, almag and ferrosilicon are added in medicine core, it is retained in molten drop high temperature rank
Section and molten bath stage, can also carry out effective deoxidation gas making, to ensure entire welding wire it is heated, fusing, form molten drop, molten
Transition is dripped, molten bath is formed and the Welding Metallurgy whole process for starting to solidify is provided with good self-shield effect, to realize this weldering
Silk remains able to have good welding technological properties and welding metal in the case of any mineral powder slag former of no addition
Shaping surface.Meanwhile the addition of more granularity deoxidiers, ensure under the adding conditional of smaller deoxidier, obtains good self-shield
Effect, for medicine core be formulated medium high carbon ferrochrome, manganese powder etc. enough additions and with great transition coefficient transition create steric requirements and
Environmental condition.
Advantageous effect：The present invention effectively facilitates " viscous by being added to more large content of Mn elements, one side in medicine core
The formation of knot phase " austenite structure, effectively improves the toughness of hardfacing alloy, to improve its crack resistance.On the other hand, due to
Mn is solid-solution in M7C3Among, further improve M7C3Hardness.The comprehensive function of two aspects so that rich chromium cast iron heap soldering
The wearability of gold is effectively improved.In addition, the new approaches of chemical metallurgy reactivity are also controlled by component particle size, in medicine core
In be respectively combined and add 200 superfine mesh and thicker 60 mesh graphite, ferro-boron, almag and ferrosilicon, be effectively ensured entire
Welding wire is heated, fusing, formed molten drop, the droplet transfer, formed molten bath and start solidification Welding Metallurgy whole process be provided with it is good
Self-shield effect remains able to have good to realize this welding wire in the case of any mineral powder slag former of no addition
Good welding technological properties and welding bead shaping surface.The flux-cored wire welding procedure performance of the present invention is good, and alloy structure refinement is bright
Aobvious, overlay surface hardness is uniform, and toughness is preferable, and average hardness is in 62~66HRC ranges.Wearability is 30 times of left sides of Q235
It is right.
Specific implementation mode
According to following embodiments, the present invention may be better understood.However, specific medicine core component described in embodiment
Proportioning, process conditions and its result are merely to illustrate the present invention, are retouched in detail without that should will not limit in claims
The present invention stated.Wherein, the high carbon ferro-chrome phosphorus content used in following examples be 9~10wt%, chrome content be 60~
70wt%, remaining is iron；The ferrosilicon silicon content is 72~80wt%, remaining is iron；The ferro-boron boron content be 19~
25wt%, remaining is iron；The almag aluminum content is 47~53wt%, remaining is magnesium.
Embodiment 1
A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, including mild-carbon steel strip and medicine core, flux cored filler in
In steel band, drug core component is prepared by following quality：The 80 mesh high carbon ferro-chromes of 72g, the 80 mesh electrolytic manganese powders of 12g, the stone of 1g
Ink, the ferro-boron of 3g, the 60 mesh almags of 1g, the ferrosilicon of 2g, the 80 mesh iron powders of 9g, wherein graphite, ferro-boron, almag and
Ferrosilicon is with the two kinds of granularity additions of 60 mesh and 200 mesh, and the mass fraction of 60 mesh and 200 mesh is equal in each powder added
Respectively account for 50%.Taken various powder merging is mixed in powder machines, mixes 40 minutes, then mixed-powder be added U-shaped 21 ×
In the H08A carbon steel steel band slots of 0.5mm, filling rate 54%.U-lag is healed up again, makes medicinal powder package wherein.Then make its point
Not by one or more in the wire drawing die of a diameter of 4.2mm, 3.8mm, 3.5mm, 3.2mm, 2.8mm, by road drawing, subtract
Diameter finally obtains the product of a diameter of 2.8~4.2mm.Welding current is 280~420A, and weldingvoltage is 30~42V, welding
Speed is 0.4m/min, and interlayer temperature control is at 150~250 DEG C, 3 layers of built-up welding.Deposited metal hardness and wearability are shown in Table 1.
Embodiment 2
A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, including mild-carbon steel strip and medicine core, flux cored filler in
In steel band, drug core component is prepared by following quality：The 80 mesh high carbon ferro-chromes of 65g, the 80 mesh electrolytic manganese powders of 14g, 1.5g's
Graphite, the ferro-boron of 2g, the 60 mesh almags of 4g, the ferrosilicon of 6g, the 80 mesh iron powders of 7.5g, wherein graphite, ferro-boron, magnalium close
Gold and ferrosilicon are with the two kinds of granularity additions of 60 mesh and 200 mesh, and the quality of 60 mesh and 200 mesh is divided in each powder added
Number respectively accounts for 50%.Taken various powder mergings are mixed in powder machine, mixes 40 minutes, mixed-powder is then added the 21 of U-shaped
In the H08A carbon steel steel band slots of × 0.5mm, filling rate 55%.U-lag is healed up again, makes medicinal powder package wherein.Then make it
Respectively by one or more in the wire drawing die of a diameter of 4.2mm, 3.8mm, 3.5mm, 3.2mm, 2.8mm, by road drawing, subtract
Diameter finally obtains the product of a diameter of 2.8~4.2mm.Welding current is 280~420A, and weldingvoltage is 30~42V, welding
Speed is 0.4m/min, and interlayer temperature control is at 150~250 DEG C, 3 layers of built-up welding.Deposited metal hardness and wearability are shown in Table 1.
Embodiment 3
A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, including mild-carbon steel strip and medicine core, flux cored filler in
In steel band, drug core component is prepared by following quality：The 80 mesh high carbon ferro-chromes of 70g, the 80 mesh electrolytic manganese powders of 16g, 1.5g's
Graphite, the ferro-boron of 5g, the 60 mesh almags of 2g, the ferrosilicon of 4g, the 80 mesh iron powders of 4.5g, wherein graphite, ferro-boron, magnalium close
Gold and ferrosilicon are with the two kinds of granularity additions of 60 mesh and 200 mesh, and the quality of 60 mesh and 200 mesh is divided in each powder added
Number respectively accounts for 50%.Taken various powder mergings are mixed in powder machine, mixes 40 minutes, mixed-powder is then added the 21 of U-shaped
In the H08A carbon steel steel band slots of × 0.5mm, filling rate 57%.U-lag is healed up again, makes medicinal powder package wherein.Then make it
Respectively by one or more in the wire drawing die of a diameter of 4.2mm, 3.8mm, 3.5mm, 3.2mm, 2.8mm, by road drawing, subtract
Diameter finally obtains the product of a diameter of 2.8~4.2mm.Welding current is 280~420A, and weldingvoltage is 30~42V, welding
Speed is 0.4m/min, and interlayer temperature control is at 150~250 DEG C, 3 layers of built-up welding.Deposited metal hardness and wearability are shown in Table 1.
Embodiment 4
A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, including mild-carbon steel strip and medicine core, flux cored filler in
In steel band, drug core component is prepared by following quality：The 80 mesh high carbon ferro-chromes of 60g, the 80 mesh electrolytic manganese powders of 18g, the stone of 2g
Ink, the ferro-boron of 8g, the 60 mesh almags of 3g, the ferrosilicon of 5g, the 80 mesh iron powders of 4g, wherein graphite, ferro-boron, almag and
Ferrosilicon is with the two kinds of granularity additions of 60 mesh and 200 mesh, and the mass fraction of 60 mesh and 200 mesh is equal in each powder added
Respectively account for 50%.Taken various powder merging is mixed in powder machines, mixes 40 minutes, then mixed-powder be added U-shaped 21 ×
In the H08A carbon steel steel band slots of 0.5mm, filling rate 58%.U-lag is healed up again, makes medicinal powder package wherein.Then make its point
Not by one or more in the wire drawing die of a diameter of 4.2mm, 3.8mm, 3.5mm, 3.2mm, 2.8mm, by road drawing, subtract
Diameter finally obtains the product of a diameter of 2.8~4.2mm.Welding current is 280~420A, and weldingvoltage is 30~42V, welding
Speed is 0.4m/min, and interlayer temperature control is at 150~250 DEG C, 3 layers of built-up welding.Deposited metal hardness and wearability are shown in Table 1.
1 beaten hardness of table uses HR-150A Rockwell apparatuses, load 150Kg to take 5 point hardnesses to each test specimens, counts
Calculate average hardness value.
Wear test uses MLS-225 type wet type rubber foot wheel abrasion testers.
It is 57 × 25 × 6mm Wear specimens that the overlay cladding of each embodiment, which is cut five sizes,.Wear test parameter is as follows：
Rubber wheel diameter：178mm, rubber wheel speed：240 revs/min, rubber wheel hardness：70 (Shao Er hardness), load：10Kg, rubber wheel
Revolution：1000 turns of pre-grinding, formal test turn 1000 turns, abrasive material：The quartz sand of 40~70 mesh.The wear-resisting property of deposited metal is with just
The weight loss of formula abrasion is weighed.Test every time it is forward and backward sample merging is filled into the beaker of acetone soln, it is in ultrasonic wave clear
It washes in instrument and cleans 3~5 minutes, record of weighing after dry.Experiment Q235 steel sample as a comparison, contrast piece weight loss and measuring piece
Relative wear resistance ε of the ratio between the weight loss as built-up welding sample.
1 each embodiment deposited metal hardness and wear resistance of table
The present invention effectively facilitates " Binder Phase " Ovshinsky by being added to more large content of Mn elements, one side in medicine core
The formation of body tissue effectively improves the toughness of hardfacing alloy, to improve its crack resistance.On the other hand, since Mn is solid-solution in
M7C3Among, further improve M7C3Hardness.Two aspect comprehensive function so that rich chromium cast iron hardfacing alloy it is wear-resisting
Property is effectively improved.In addition, the new approaches of chemical metallurgy reactivity are also controlled by component particle size, the group respectively in medicine core
Close and add 200 superfine mesh and thicker 60 mesh graphite, ferro-boron, almag and ferrosilicon, be effectively ensured entire welding wire it is heated,
Fusing forms molten drop, droplet transfer, forms molten bath and starts the Welding Metallurgy whole process of solidification to be provided with good self-shield effect
Fruit remains able to have good welding to realize this welding wire in the case of any mineral powder slag former of no addition
Processing performance and welding bead shaping surface.The flux-cored wire welding procedure performance of the present invention is good, and alloy structure refinement is apparent, overlay cladding
Case hardness is uniform, and toughness is preferable, and average hardness is in 62~66HRC ranges.Wearability is 30 times or so of Q235.
Claims (10)
1. a kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, including mild-carbon steel strip and medicine core, flux cored filler is in steel
In band, which is characterized in that the drug core component mass percentage range is as follows：60~72% high carbon ferro-chrome, 12~18%
Electrolytic manganese powder, 1~2% graphite, 2~8% ferro-boron, 1~4% almag, 2~6% ferrosilicon, surplus be 80 mesh iron
Powder, wherein graphite, ferro-boron, almag and ferrosilicon are added with the mixture of two kinds of granularities of 60 mesh and 200 mesh, wherein medicine core
Powder accounts for the 54-58% of welding wire gross weight.
2. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, which is characterized in that described
High carbon ferro-chrome phosphorus content is 9~10wt%, and chrome content is 60~70wt%, remaining is iron；The ferrosilicon silicon content be 72~
80wt%, remaining is iron；The ferro-boron boron content is 19~25wt%, remaining is iron；The almag aluminum content is 47
~53wt%, remaining is magnesium.
3. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, it is characterised in that different grains
The graphite of degree：The graphite of the graphite of 60 mesh and 200 mesh, and with mass ratio 1:The mode of 1 combination is added.
4. according to claim 1 contain manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, it is characterised in that no
The ferro-boron of one-size：The ferro-boron of the ferro-boron of 60 mesh and 200 mesh, and with mass ratio 1:The mode of 1 combination is added.
5. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, it is characterised in that different grains
The almag of diameter：The almag of the almag of 60 mesh and 200 mesh, and with mass ratio 1:The mode of 1 combination is added.
6. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, it is characterised in that different grains
The ferrosilicon of diameter：The ferrosilicon of the ferrosilicon of 60 mesh and 200 mesh, and with mass ratio 1:The mode of 1 combination is added.
7. according to claim 1 contain manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire, which is characterized in that institute
The grain size for stating the high carbon ferro-chrome in medicine core, manganese powder and iron powder component is equal to 80 mesh.
8. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, which is characterized in that described low
Carbon steel tape thickness × width is 0.5 × 21 mm.
9. manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire according to claim 1, which is characterized in that the weldering
Any one in a diameter of 2.8 mm of silk, 3.2 mm, 3.5 mm, 3.8 mm and 4.2mm.
10. the preparation method of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire described in claim 1, feature exist
In including the following steps：
（1）Mild steel steel band is rolled into U-shaped using molding roller, medicine core powder is then pressed by welding wire gross weight by dust feeder
54-58% is added in U-lag；
（2）U-lag is healed up, makes medicine core package wherein, by wire drawing die, by road drawing, tube reducing, finally reaches its diameter
2.8~4.2 mm, obtain final products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607718.6A CN106112304B (en) | 2016-07-28 | 2016-07-28 | A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610607718.6A CN106112304B (en) | 2016-07-28 | 2016-07-28 | A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106112304A CN106112304A (en) | 2016-11-16 |
| CN106112304B true CN106112304B (en) | 2018-07-27 |
Family
ID=57254144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610607718.6A Active CN106112304B (en) | 2016-07-28 | 2016-07-28 | A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106112304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146094B (en) * | 2021-02-04 | 2024-01-09 | 苏州鑫之泰焊接材料有限公司 | High-hardness crack-free boron-containing hardfacing flux-cored wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753053A (en) * | 2014-01-23 | 2014-04-30 | 江苏科技大学 | Non-slag self-protection build up welding flux-cored wire with few number of splatter and small size of splashing particles |
| CN103785971A (en) * | 2014-01-23 | 2014-05-14 | 江苏科技大学 | Non-slag self-protection flux-cored wire with ultra-low stomatal sensitivity for bead weld |
| CN104708234A (en) * | 2013-12-11 | 2015-06-17 | 北京有色金属研究总院 | Iron-based self-protection flux-cored wire, surfacing alloy manufactured with iron-based self-protection flux-cored wire and method for manufacturing iron-based self-protection flux-cored wire |
| CN105537797A (en) * | 2015-11-27 | 2016-05-04 | 湘潭大学 | Carbon-controlling and toughening type self-shielded open-arc high-boron surfacing flux-cored wire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162594A (en) * | 1984-02-02 | 1985-08-24 | Fuji Kogyosho:Kk | High-hardness submerged arc welding material |
-
2016
- 2016-07-28 CN CN201610607718.6A patent/CN106112304B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708234A (en) * | 2013-12-11 | 2015-06-17 | 北京有色金属研究总院 | Iron-based self-protection flux-cored wire, surfacing alloy manufactured with iron-based self-protection flux-cored wire and method for manufacturing iron-based self-protection flux-cored wire |
| CN103753053A (en) * | 2014-01-23 | 2014-04-30 | 江苏科技大学 | Non-slag self-protection build up welding flux-cored wire with few number of splatter and small size of splashing particles |
| CN103785971A (en) * | 2014-01-23 | 2014-05-14 | 江苏科技大学 | Non-slag self-protection flux-cored wire with ultra-low stomatal sensitivity for bead weld |
| CN105537797A (en) * | 2015-11-27 | 2016-05-04 | 湘潭大学 | Carbon-controlling and toughening type self-shielded open-arc high-boron surfacing flux-cored wire |
Non-Patent Citations (1)
| Title |
|---|
| TiC对高铬堆焊合金层显微组织及耐磨性的影响;路德斌;《中国优秀硕士学位论文全文数据库工程科技I辑》;20140415(第4期);B022-254 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106112304A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106041356B (en) | Good self-protection flux-cored wire of a kind of energy-efficient and overlaying shaping and preparation method thereof | |
| CN106112302B (en) | A kind of polynary control amount Dispersed precipitate hard phase enhancing self protection pile-up welding flux core welding wire and preparation method thereof | |
| CN106112303B (en) | A kind of multicomponent nitride Strengthening and Toughening self protection pile-up welding flux core welding wire and preparation method thereof | |
| CN103785967B (en) | The hardfacing of a kind of niobium titanium complex intensifying is used without slag self-protection flux-cored wire | |
| CN106001995B (en) | A kind of multicomponent nitride and boride collaboration enhancing self protection pile-up welding flux core welding wire | |
| CN103769770A (en) | Vanadium-titanium-niobium composite reinforced slag-free self-protection flux-cored wire for hardfacing | |
| CN106141484B (en) | A kind of very high content vanadium is modified self-protecting flux-cored wire for overlaying welding and preparation method thereof | |
| CN106141488B (en) | A kind of self-protection flux-cored wire for adding more granularity drug core components and preparation method thereof | |
| CN106041357B (en) | A kind of nickel toughening high-chromium cast iron-type self protection pile-up welding flux core welding wire and preparation method thereof | |
| CN107999999A (en) | A kind of abrasive wear resistance flux-cored wire and preparation method for coal-grinding roller | |
| CN106041358B (en) | A kind of fabricated in situ WC and W6C-type carbide enhancing self protection pile-up welding flux core welding wire and preparation method thereof | |
| CN106112304B (en) | A kind of manganese Strengthening and Toughening high chromium cast iron self protective build-up welding cored welding wire and preparation method thereof | |
| CN112276414B (en) | High-hardness wear-resistant flux-cored wire and flux-cored powder thereof | |
| CN106141483B (en) | A kind of spontaneous large volume fraction boron-carbide reinforced wear-resistant built-up welding self-protection flux-cored wire and preparation method thereof | |
| CN106141495B (en) | A kind of polynary boride doping vario-property self-protecting flux-cored wire for hardfacing and preparation method thereof | |
| CN108406161A (en) | A kind of flux-cored wire and preparation method thereof of the wear-resisting grinding abrasion of high-performance rare-earth | |
| CN106166654B (en) | A kind of very high content niobium Strengthening and Toughening self-protecting flux-cored wire for overlaying welding and preparation method thereof | |
| CN106238964B (en) | A kind of titanium is modified high-chromium cast iron-type self protection pile-up welding flux core welding wire and preparation method thereof | |
| CN106001994B (en) | A kind of flux-cored wire for enhancing the welding continuous self-shield effect of subregion and preparation method thereof | |
| CN106392361B (en) | A kind of silicon toughening High-chromium Cast Iron Flux Cored Wire For Self-shielded and preparation method thereof | |
| CN107363431B (en) | A kind of self-shield open arc built-up welding austenitic matrix flux-cored wire and its application method | |
| CN103785970B (en) | A kind of vanadium niobium complex intensifying hardfacing is with without slag self-protection flux-cored wire | |
| CN106112305B (en) | A kind of inexpensive self-protection flux-cored wire containing different grain size deoxidier and preparation method thereof | |
| CN109664046B (en) | (Ti, Al) N reinforced self-protection flux-cored wire utilizing air to permeate N | |
| CN106001993B (en) | A kind of self-fluxing alloyed powder doping vario-property self protection pile-up welding flux core welding wire 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 |