CN104646859B - Self-protection flux-cored wire for 2205 duplex stainless steel and preparation method thereof - Google Patents
Self-protection flux-cored wire for 2205 duplex stainless steel and preparation method thereof Download PDFInfo
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- CN104646859B CN104646859B CN201510074849.8A CN201510074849A CN104646859B CN 104646859 B CN104646859 B CN 104646859B CN 201510074849 A CN201510074849 A CN 201510074849A CN 104646859 B CN104646859 B CN 104646859B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229910001039 duplex stainless steel Inorganic materials 0.000 title abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 48
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 25
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 25
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 25
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011733 molybdenum Substances 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- 239000011572 manganese Substances 0.000 claims abstract description 14
- 239000010963 304 stainless steel Substances 0.000 claims abstract description 13
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims abstract description 13
- 239000010453 quartz Substances 0.000 claims abstract description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 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 claims abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 69
- 229910001220 stainless steel Inorganic materials 0.000 claims description 33
- 239000010935 stainless steel Substances 0.000 claims description 24
- 239000011812 mixed powder Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 9
- 238000005491 wire drawing Methods 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 25
- 238000005245 sintering Methods 0.000 abstract description 9
- 239000002893 slag Substances 0.000 abstract description 9
- 230000004907 flux Effects 0.000 abstract description 8
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 2
- 239000011651 chromium Substances 0.000 abstract 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000008602 contraction Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 235000019353 potassium silicate Nutrition 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 238000012216 screening Methods 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001502 supplementing effect Effects 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
- B23K35/22—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
- B23K35/02—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
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
- B23K35/3603—Halide salts
- B23K35/3605—Fluorides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/368—Selection of non-metallic compositions of core materials either alone or conjoint with selection of soldering or welding materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a self-protection flux-cored wire for 2205 duplex stainless steel. The self-protection flux-cored wire consists of a sheath and a flux core, wherein the flux core consists of the following components in percentage by mass: 30-40 percent of metal chromium, 10-15 percent of metal nickel, 8-14 percent of molybdenum, 2-4 percent of electrolytic manganese, 4-6 percent of quartz, 6-10 percent of calcium fluoride, 5-7 percent of rutile, 2-4 percent of aluminum oxide, 3-6 percent of aluminum magnesium powder and the balance of iron powder. The invention further discloses a preparation method of the self-protection flux-cored wire. The preparation method comprises the following steps: adding the quartz, the calcium fluoride, the rutile, the aluminum oxide and the aluminum magnesium powder into a bonding agent, mixing, sintering, rolling and sieving; mixing with the metal chromium, the metal nickel, the molybdenum, the electrolytic manganese and the iron powder, and drying; adding into a 304 stainless steel belt, rolling into a U-shaped groove, rolling and enclosing, pulling, straitening, coiling into a disk, sealing and packaging. The flux-cored wire is less in welding wire spatter, and is attractive in welding seam molding; molten slag is produced by using a mineral slag system, so that a welding pool is protected.
Description
Technical field
The invention belongs to technical field of welding materials, and in particular to a kind of 2205 phase stainless steel use Self-protecting medicated core weldering
Silk, the invention further relates to the preparation method of the flux-cored wire.
Background technology
Two phase stainless steel (Duplex Stainless Steel, abbreviation DSS), refers to that ferrite is respectively accounted for austenite
50%, the content of general less phase is at least also required to reach 30% rustless steel.At anticorrosive aspect, particularly media environment ratio
Under conditions of relatively severe (such as sea water, chloride ion content is higher), the anti-spot corrosion of two phase stainless steel, crevice corrosion, stress corrosion and
Corrosion Fatigue Properties are substantially better than common austenitic stainless steel, can match in excellence or beauty with high alloyed austenitic body rustless steel.While two-phase
Many excellent properties such as stainless high intensity and manufacture easy to process are also used widely two phase stainless steel.
2205 two phase stainless steels by 21% Cr, 2.5% Mo, 4.5% Ni and 0.17% N constituted it is stainless
Steel.2205 two phase stainless steels adjust the ratio of ferrite and austenite by controlling [Ni] equivalent and [Cr] equivalent, wherein
[Ni]=9.5, [Cr]=25.5；Its tissue is made up of the austenite of the ferrite and 60%-40% of 40%-60%, domestic
The species of two phase stainless steel have duplex stainless steel 2205 sheet material, duplex stainless steel 2205 steel pipe, duplex stainless steel 2205 seamless pipe,
Duplex stainless steel 2205 bar, tubing, forging material etc..
2205 two phase stainless steels as a kind of the most frequently used two phase stainless steel, its usage amount account for the 80% of dual phase steel with
On.A kind of matching flux-cored wire is developed, obtaining the welding point with high corrosion resistance and mechanical property can be further
Promote the use of two phase stainless steel.
The content of the invention
It is an object of the invention to provide a kind of 2205 phase stainless steel use Self-protecting flux-cored wire, spatter is few, weldering
Seam beautiful appearance, with good welding usability.
It is a further object to provide a kind of preparation side of 2205 phase stainless steel use Self-protecting flux-cored wire
Method.
The technical solution adopted in the present invention is, 2205 phase stainless steel use Self-protecting flux-cored wires, by crust and medicine
Core is constituted, and medicated core is composed of the following components by mass percentage：Crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-
14%, electrolytic manganese 2%-4%, quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, aluminum
Magnesium powder 3%-6%, balance of iron powder, above constituent mass percentage ratio sum are 100%.
The characteristics of of the invention, also resides in：
Skin material is 304 stainless steel belts.
In the flux-cored wire, the filling rate (mass ratio) of medicated core is 20%-25%.
A diameter of 1.2-2.0mm of the flux-cored wire.
Another technical scheme of the present invention is, the preparation of 2205 phase stainless steel use Self-protecting flux-cored wires
Method, comprises the following steps that：
Step 1, weighs crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-14% by mass percentage respectively,
Electrolytic manganese 2%-4%, quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, al-mg powder
3%-6%, balance of iron powder, above constituent mass percentage ratio sum are 100%；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add medicated powder gross mass
20% sodium silicate binder mix homogeneously, is then placed within sintering in heating furnace, sieves after pulverizing, screening granularity 80-100 mesh it
Between mixed powder；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
20%-25%, then U-type groove is rolled by closure by forming machine, and 1.2-2.0mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
The characteristics of of the invention, also resides in：
The temperature sintered in step 2 is 500-650 DEG C, and the time is 3-4h.
The invention has the beneficial effects as follows,
1. 2205 phase stainless steel use Self-protecting flux-cored wire of the invention, compare stainless steel electrode and solid welding wire and
Speech, spatter is few, and appearance of weld is attractive in appearance, with good welding usability, is suitable for continuous wire feed welding equipment, with compared with
High production efficiency.
2. 2205 phase stainless steel use Self-protecting flux-cored wire of the invention, produces slag using mineral slag system, to welding
Molten bath is protected, and acts on certain self-shield.
3. the preparation method of 2205 phase stainless steel use Self-protecting flux-cored wire of the invention is simple, easy to operate, is adapted to
Mass production.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.
2205 phase stainless steel use Self-protecting flux-cored wires of the invention, are made up of crust and medicated core, and medicated core presses quality hundred
Divide than composed of the following components：Crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-14%, electrolytic manganese 2%-4%,
Quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, al-mg powder 3%-6%, balance of ferrum
Powder, above constituent mass percentage ratio sum are 100%.Skin material is 304 stainless steel belts.
In the flux-cored wire, the filling rate (mass ratio) of medicated core is 20%-25%.
A diameter of 1.2-2.0mm of the flux-cored wire.
The preparation method of 2205 phase stainless steel use Self-protecting flux-cored wires, comprises the following steps that：
Step 1, weighs crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-14% by mass percentage respectively,
Electrolytic manganese 2%-4%, quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, al-mg powder
3%-6%, balance of iron powder, above constituent mass percentage ratio sum are 100%；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add medicated powder gross mass
20% sodium silicate binder mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 500-650 DEG C, the time
For 3-4h, sieve after pulverizing, screen the mixed powder between granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
20%-25%, then U-type groove is rolled by closure by forming machine, and 1.2-2.0mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
The effect of each component in medicated core：
1st, crome metal, molybdenum have ferritizing effect, have the ferritic trend of generation, metallic nickel, electrolysis in making weld seam
Manganese has the effect of austenitizing, has the trend for generating austenite in making weld seam, and four use cooperatively, and is in order that producing in weld seam
The a certain proportion of ferrite of life and austenite.
2nd, crome metal also has a corrosion proof effect of joint that improves, when welding point meet stainless use requirement.
3rd, metallic nickel, also with the effect for improving welding point toughness.
4th, al-mg powder is easily combined with oxygen and is removed the oxygen element in molten bath, protects the other components in weld seam.
5th, quartz, calcium fluoride, rutile, aluminium oxide have the effect of slag making, produce slag molten bath is protected during welding
Shield.
6th, calcium fluoride is basic slag, quartz, and rutile, aluminium oxide are acid slags, and four use cooperatively, and can adjust slag
Basicity.
7th, ferrum is used for supplementing residual mass, is that the quality of powder core reaches 100%.
Embodiment 1
Step 1, weighs crome metal 350g, metallic nickel 100g, molybdenum 120g, electrolytic manganese 40g, quartzy 60g, calcium fluoride respectively
100g, rutile 70g, aluminium oxide 40g, al-mg powder 40g, Fe80g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 500 DEG C, and the time is 4h, is sieved after pulverizing, sieve
Select the mixed powder between granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
20%, then U-type groove is rolled by closure by forming machine, and 1.2mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 1 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 706Mpa, and yield limit is
579Mpa, the contraction percentage of area 52%, ballistic work are 60J.Performance meets the use requirement of 2205 two phase stainless steels.
Embodiment 2
Step 1, weighs crome metal 360g, metallic nickel 120g, molybdenum 110g, electrolytic manganese 30g, quartzy 50g, calcium fluoride respectively
70g, rutile 60g, aluminium oxide 30g, al-mg powder 50g, Fe120g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 520 DEG C, and the time is 3.5h, is sieved after pulverizing,
The mixed powder of screening granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
22%, then U-type groove is rolled by closure by forming machine, and 1.4mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 2 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 760Mpa, and yield limit is
549Mpa, the contraction percentage of area 55%, ballistic work are 62J.Performance meets the use requirement of 2205 two phase stainless steels.
Embodiment 3
Step 1, weighs crome metal 300g, metallic nickel 140g, molybdenum 100g, electrolytic manganese 20g, quartzy 60g, calcium fluoride respectively
80g, rutile 50g, aluminium oxide 30g, al-mg powder 40g, Fe180g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 550 DEG C, and the time is 3.8h, is sieved after pulverizing,
The mixed powder of screening granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
25%, then U-type groove is rolled by closure by forming machine, and 1.6mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 3 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 721Mpa, and yield limit is
584Mpa, the contraction percentage of area 53%, ballistic work are 72J.Performance meets the use requirement of 2205 two phase stainless steels.
Embodiment 4
Step 1, weighs crome metal 380g, metallic nickel 150g, molybdenum 90g, electrolytic manganese 30g, quartzy 40g, calcium fluoride respectively
90g, rutile 60g, aluminium oxide 40g, al-mg powder 60g, Fe60g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 580 DEG C, and the time is 3.5h, is sieved after pulverizing,
The mixed powder of screening granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
25%, then U-type groove is rolled by closure by forming machine, and 1.8mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 4 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 707Mpa, and yield limit is
567Mpa, the contraction percentage of area 56%, ballistic work are 72J.Performance meets the use requirement of 2205 two phase stainless steels.
Embodiment 5
Step 1, weighs crome metal 320g, metallic nickel 130g, molybdenum 140g, electrolytic manganese 20g, quartzy 60g, calcium fluoride respectively
100g, rutile 70g, aluminium oxide 20g, al-mg powder 30g, Fe110g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 650 DEG C, and the time is 3.2h, is sieved after pulverizing,
The mixed powder of screening granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
20%, then U-type groove is rolled by closure by forming machine, and 2.0mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 5 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 692Mpa, and yield limit is
554Mpa, the contraction percentage of area 52%, ballistic work are 68J.Performance meets the use requirement of 2205 two phase stainless steels.
Embodiment 6
Step 1, weighs crome metal 400g, metallic nickel 120g, molybdenum 80g, electrolytic manganese 40g, quartzy 40g, calcium fluoride respectively
60g, rutile 50g, aluminium oxide 30g, al-mg powder 30g, Fe150g；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 200g waterglass to glue
Knot agent mix homogeneously, sinters in being then placed within heating furnace, and the temperature of sintering is 650 DEG C, and the time is 3h, is sieved after pulverizing, sieve
Select the mixed powder of granularity 80-100 mesh；
Step 3, the crome metal that step 1 is claimed, metallic nickel, molybdenum, electrolytic manganese, iron powder are filled with mixed powder obtained in step 2
Divide stirring, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Wide 304 stainless steel belt is placed on the putting on band machine, by forming machine by steel of flux-cored wire forming machine by step 4
Band is rolled into U-type groove, the medicated core powder that then addition step 3 is obtained in U-type groove, and the filling rate for controlling medicated core powder is
23%, then U-type groove is rolled by closure by forming machine, and 1.6mm is drawn to, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
Flux-cored wire obtained by embodiment 6 is applied to flux cored wire arc welding (FCAW), without the need for additional protective gas.Weldering
It is 180-200A to connect electric current, and weldingvoltage is 20-22V.The tensile strength of welding point is 712Mpa, and yield limit is
591Mpa, the contraction percentage of area 58%, ballistic work are 66J.Performance meets the use requirement of 2205 two phase stainless steels.
Claims (5)
1.2205 phase stainless steel use Self-protecting flux-cored wires, it is characterised in that be made up of crust and medicated core, medicated core press quality
Percentage ratio is composed of the following components：Crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-14%, electrolytic manganese 2%-
4%, quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, al-mg powder 3%-6%, surplus
For iron powder, above constituent mass percentage ratio sum is 100%；Skin material is 304 stainless steel belts.
2. 2205 phase stainless steel use Self-protecting flux-cored wire according to claim 1, it is characterised in that the medicated core is welded
In silk, the filling rate of medicated core is 20%-25%.
3. 2205 phase stainless steel use Self-protecting flux-cored wire according to claim 1, it is characterised in that the medicated core is welded
A diameter of 1.2-2.0mm of silk.
The preparation method of 4.2205 phase stainless steel use Self-protecting flux-cored wires, it is characterised in that comprise the following steps that：
Step 1, weighs crome metal 30%-40%, metallic nickel 10%-15%, molybdenum 8%-14% by mass percentage respectively, electrolysis
Manganese 2%-4%, quartzy 4%-6%, calcium fluoride 6%-10%, rutile 5%-7%, aluminium oxide 2%-4%, al-mg powder 3%-
6%, balance of iron powder, above constituent mass percentage ratio sum are 100%；
Step 2, the quartz that step 1 is weighed, calcium fluoride, rutile, aluminium oxide, al-mg powder add 20% water of medicated powder gross mass
Glass binder mix homogeneously, sinters in being then placed within heating furnace, sieves after pulverizing, and screens mixed between granularity 80-100 mesh
Close powder；
The crome metal that step 1 is claimed by step 3, metallic nickel, molybdenum, electrolytic manganese, iron powder are fully stirred with mixed powder obtained in step 2
Mix, during drying oven is put into after mixing, dry 200 degrees Celsius, 2 hours；
Step 4, by 304 stainless steel belts be placed on flux-cored wire forming machine put band machine on, steel band is rolled by forming machine
Into U-type groove, then add the medicated core powder that step 3 is obtained in U-type groove, the filling rate for controlling medicated core powder is 20%-25%,
U-type groove is rolled by closure by forming machine again, and is drawn to 1.2-2.0mm, obtain flux-cored wire；
Flux-cored wire prepared by step 4 is finally stretched by step 5 with wire drawing machine, and disk is packed into disk.
5. the preparation method of 2205 phase stainless steel use Self-protecting flux-cored wire according to claim 4, its feature exist
In the temperature sintered in step 2 is 500-650 DEG C, and the time is 3-4h.
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| CN105921912B (en) * | 2016-06-21 | 2019-01-11 | 西安理工大学 | 1Cr12Ni2W1MoV stainless steel self-protection flux-cored wire and preparation method thereof |
| CN107252993A (en) * | 2017-05-12 | 2017-10-17 | 天长市通联焊业有限公司 | A kind of roll overlaying flux-cored wire |
| CN107160055A (en) * | 2017-06-29 | 2017-09-15 | 西安理工大学 | A kind of phase stainless steel use self-protection flux-cored wire and preparation method thereof |
| CN107378304B (en) * | 2017-07-12 | 2019-09-27 | 西安理工大学 | PH13-8Mo stainless steel gas shielded type welding wire and preparation method thereof |
| CN108788519B (en) * | 2018-09-11 | 2020-11-06 | 江苏思迪彼特新材料科技有限公司 | Preparation process and application of high-strength stainless steel electric arc welding flux-cored wire |
| CN109604858A (en) * | 2018-11-23 | 2019-04-12 | 北京奥邦新材料有限公司 | For repairing the flux-cored wire and its melting and coating process of the hollow sufficient roll sleeve of continuous casting |
| CN113399865B (en) * | 2021-07-20 | 2023-03-28 | 哈尔滨工业大学（威海） | Slag full-coverage type non-splashing flux-cored wire |
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