CN105215578A - The submerged arc welding flux of nickel-base alloy, welding wire and welding method - Google Patents
The submerged arc welding flux of nickel-base alloy, welding wire and welding method Download PDFInfo
- Publication number
- CN105215578A CN105215578A CN201510814720.6A CN201510814720A CN105215578A CN 105215578 A CN105215578 A CN 105215578A CN 201510814720 A CN201510814720 A CN 201510814720A CN 105215578 A CN105215578 A CN 105215578A
- Authority
- CN
- China
- Prior art keywords
- welding
- nickel
- submerged arc
- base alloy
- flux
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or 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
- B23K9/18—Submerged-arc welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of submerged arc welding flux and special welding wire of nickel-base alloy, be made up of following composition: Mn5-8 weight portion, Al2O334-36 weight portion, CaF252-54 weight portion, Cr? 2-3 weight portion, K4TiO43-4 weight portion.Compared with the existing, solder flux of the present invention coordinates with CHW-NiCr-3 welding wire and welds nickel-base alloy, and de-slag is easy, and weld metal has higher intensity, low-temperature impact toughness and very strong corrosion strength.
Description
Technical field
The present invention relates to a kind of welding material, in particular to a kind of submerged arc welding flux of nickel-base alloy, special welding wire and welding method, this solder flux coordinates special welding wire CHW-NiCr-3, adopt the welding of submerged arc AC and DC, all can obtain excellent plasticity, toughness, preferably crack resistance and excellent corrosion resistance.
Background technology
The supporting solder flux of CHW-NiCr-3 welding wire is mainly used in INCONEL600,601 alloys and INCOLOY800 alloy self and welding between they with carbon steel or stainless steel, also can be used for the welding of 9Ni steel.INCONEL600,601 and INCOLOY800 alloy thermal conductivity factor little, linear expansion coefficient is large, in order to ensure that welding point low-temperature flexibility needs to adopt temperature between less heat input and road in welding process, general heat input is 7 ~ 35kJ/cm, and between road, temperature should control below 100 DEG C.But lack solder flux supporting with it in prior art.
Summary of the invention
An object of the present invention is just the submerged arc welding flux providing a kind of nickel-base alloy, and the submerged arc welding flux of this nickel-base alloy coordinates with CHW-NiCr-3 welding wire and welds nickel-base alloy, and de-slag is easy, and weld metal has higher intensity and very strong corrosion strength.
Technical scheme is: a kind of submerged arc welding flux of nickel-base alloy, is made up of following composition:
Mn5-8 weight portion
Al
2o
334-36 weight portion
CaF
252-54 weight portion
Cr2-3 weight portion
K
4tiO
43-4 weight portion
As preferably, described flux basicity is 2.2-2.8.
As preferably, described Mn:Al
2o
3: CaF
2: Cr:K
4tiO
4weight ratio is 8:36:52:2:3.
As preferably, described Mn:Al
2o
3: CaF
2: Cr:K
4tiO
4weight ratio is 5:34:54:3:4.
Two of object of the present invention is the preparation method of the submerged arc welding flux providing a kind of nickel-base alloy.
Technical scheme is: a kind of preparation method of submerged arc welding flux of nickel-base alloy, comprises the following steps:
Step one, each component of solder flux described in arbitrary for claim 1-4 claim be placed in blender, be uniformly mixed after, add the potassium-sodium water glass 18kg mixing granulation that modulus is 3.1M, ratio is 1:1;
Step 2, through 100-200 DEG C of low-temperature bake, 400-600 DEG C high temperature sintering, screening.
Three of object of the present invention is to provide the matching used welding wire of submerged arc welding flux of a kind of with above-mentioned nickel-base alloy.
Technical scheme is: the matching used welding wire of submerged arc welding flux of a kind of with above-mentioned nickel-base alloy, described welding wire is CHW-NiCr-3 welding wire, its chemical composition: C0.019wt%, Mn2.95wt%, Si0.13wt%, S0.002wt%, P0.008wt%, Ni70.70wt%, Cr20.88wt%, Nb2.41wt%, Cu0.01wt%, Ti0.35wt%, Fe1.70wt%, all the other are trace impurity.
Four of object of the present invention is the welding method providing a kind of Nickel-Based Steel.
Technical scheme is: a kind of welding method of Nickel-Based Steel, the submerged arc welding flux of the nickel-base alloy that the method is above-mentioned and above-mentioned welding wire.
As preferably, described method carries out the welding of submerged arc direct current and AC welding.
Inventive principle:
Solder flux binding agent used is modulus is 3.1M, ratio is the potassium-sodium water glass of 1:1.In solder flux of the present invention:
Manganese metal: add the effect can playing desulfurization, deoxidation, to weld seam transition manganese element, can also can also improve toughness while improving weld strength.
CaF
2be a kind of fluoride, there is the effect of dilution slag, the content of hydrogen in weld metal can be reduced, and there is the effect of adjustment slag basicity.CaF
2in suitable scope, there is the fusing point of reduction slag, fusion penetration is shoaled, optimize the effect such as the removability of slag, stable arc; Work as CaF
2during too high levels, electric arc is unstable, viscosity coefficient of dross is too low, molten bath flowing is fierce, welding bead outward appearance is irregular.
Al
2o
3be a kind of slag former, have adjustment viscosity coefficient of dross, fusing point, maintain the active ingredient of good weld bead shape, have and improve electric arc concentrative effect, the slag of generation is fine and close, simultaneously and CaF
2when coexisting, generate the slag that viscosity is suitable, welding bead outward appearance is good, and mother metal and weld seam fuse well, have the effect preventing undercut.But too high Al
2o
3content can make weld seam radian sharper and unsmooth, and easily produce pore and pit, skull is hardening, Al
2o
3the too low face of weld that makes again of content is uneven, occurs the defect such as load mould and undercut, affects appearance of weld.
Metal simple-substance chromium is a kind of argenteous metal, adds the wearability and corrosion resistance that can improve weld seam.
K
4tiO
4be a kind of white powder, in welding, play slag making, stable arc, improve the performance of de-slag.
Beneficial effect:
Solder flux of the present invention coordinates special welding wire CHW-NiCr-3, and in welding process, de-slag is good, and appearance of weld is attractive in appearance, and weld seam and mother metal transitions smooth, face of weld is without defects such as dry slag, load mould and crackles.The nickel-base alloy submerged arc welding flux impurity content that the present invention relates to is very low, wherein S≤0.015%, P≤0.010%.More than 100J is reached in yield strength >=360Mpa, the tensile strength >=580Mpa of normal temperature deposited metal, elongation after fracture >=27% ,-196 DEG C of impacts.
Solder flux of the present invention is used for INCONEL600,601 alloys and INCOLOY800 alloy self and welding between they with carbon steel or stainless steel, also can be used for the welding of 9Ni steel.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
By Mn8kg, Al
2o
336kg, CaF
252kg, Cr2kg, K
4tiO
43kg is placed in blender, be uniformly mixed after, add the potassium-sodium water glass 18kg mixing granulation that modulus is 3.1M, ratio is 1:1, then through 100-200 DEG C of low-temperature bake, 400-600 DEG C high temperature sintering, screening, obtain the solder flux that basicity is 2.7.
Embodiment 2
By Mn5kg, Al
2o
334kg, CaF
254kg, Cr3kg, K
4tiO
44kg is placed in blender, be uniformly mixed after, add the potassium-sodium water glass 16.5kg mixing granulation that modulus is 3.1M, ratio is 1:1, then through 100-200 DEG C of low-temperature bake, 400-600 DEG C high temperature sintering, screening, obtain the solder flux that basicity is 2.6.
Welding wire CHW-NiCr-3 specification is 2.4mm, and adopt the solder flux of invention to carry out the welding of submerged arc direct current and AC welding, welding conditions are as shown in table 1 below.
Table 1. welding conditions
| Welding current (A) | Weldingvoltage (V) | Speed (cm/min) | Road temperature (DEG C) | |
| Direct current | 260-320 | 28-30 | 40-45 | <100 |
| Exchange | 275-335 | 29-31 | 40-45 | <100 |
Under identical welding conditions, coordinate special welding wire CHW-NiCr-3 to carry out alternating current-direct current welding, deposited metal composition and mechanical property are respectively as shown in table 2 and table 3.
Table 2. deposited metal composition
Table 3. deposited metal mechanical property
The chemical composition (mass percent) of special welding wire CHW-NiCr-3: C0.019, Mn2.95, Si0.13, S0.002, P0.008, Ni70.70, Cr20.88, Nb2.41, Cu0.01, Ti0.35, Fe1.70, all the other are trace impurity.
Claims (8)
1. a submerged arc welding flux for nickel-base alloy, be made up of following composition:
Mn5-8 weight portion
Al
2o
334-36 weight portion
CaF
252-54 weight portion
Cr2-3 weight portion
K
4tiO
43-4 weight portion.
2. the submerged arc welding flux of nickel-base alloy according to claim 1, is characterized in that: described flux basicity is 2.2-2.8.
3. the submerged arc welding flux of nickel-base alloy according to claim 1, is characterized in that: described Mn:Al
2o
3: CaF
2: Cr:K
4tiO
4weight ratio is 8:36:52:2:3.
4. the submerged arc welding flux of nickel-base alloy according to claim 1, is characterized in that: described Mn:Al
2o
3: CaF
2: Cr:K
4tiO
4weight ratio is 5:34:54:3:4.
5. a preparation method for the submerged arc welding flux of nickel-base alloy, comprises the following steps:
Step one, each component of solder flux described in arbitrary for claim 1-4 claim be placed in blender, be uniformly mixed after, add the potassium-sodium water glass 18kg mixing granulation that modulus is 3.1M, ratio is 1:1;
Step 2, through 100-200 DEG C of low-temperature bake, 400-600 DEG C high temperature sintering, screening.
6. one kind with the matching used welding wire of submerged arc welding flux of the nickel-base alloy described in the arbitrary claim of claim 1-4, it is characterized in that: described welding wire is CHW-NiCr-3 welding wire, its chemical composition: C0.019wt%, Mn2.95wt%, Si0.13wt%, S0.002wt%, P0.008wt%, Ni70.70wt%, Cr20.88wt%, Nb2.41wt%, Cu0.01wt%, Ti0.35wt%, Fe1.70wt%, all the other are trace impurity.
7. a welding method for Nickel-Based Steel, is characterized in that: the method adopts the submerged arc welding flux of the nickel-base alloy described in the arbitrary claim of claim 1-4 and welding wire according to claim 6.
8. the welding method of Nickel-Based Steel according to claim 7, is characterized in that: described method carries out the welding of submerged arc direct current and AC welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814720.6A CN105215578A (en) | 2015-11-20 | 2015-11-20 | The submerged arc welding flux of nickel-base alloy, welding wire and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814720.6A CN105215578A (en) | 2015-11-20 | 2015-11-20 | The submerged arc welding flux of nickel-base alloy, welding wire and welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105215578A true CN105215578A (en) | 2016-01-06 |
Family
ID=54985025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814720.6A Pending CN105215578A (en) | 2015-11-20 | 2015-11-20 | The submerged arc welding flux of nickel-base alloy, welding wire and welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105215578A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514054A (en) * | 2016-11-29 | 2017-03-22 | 洛阳双瑞特种合金材料有限公司 | Sintered flux for band electrode submerged arc surfacing of nickel-based 625 alloy and preparation method of sintered flux |
| CN107262971A (en) * | 2017-06-14 | 2017-10-20 | 海宁瑞奥金属科技有限公司 | A kind of A TIG welds activated rosin flux |
| CN108057964A (en) * | 2017-12-12 | 2018-05-22 | 北京金威焊材有限公司 | Ni-based filament sintered flux used for submerged arc welding |
| CN108453353A (en) * | 2018-04-24 | 2018-08-28 | 今创集团股份有限公司 | The welding method of red copper |
| CN113319470A (en) * | 2021-06-21 | 2021-08-31 | 中国船舶重工集团公司第七二五研究所 | Bonding flux capable of transferring alloy elements and used for nickel-based welding wire and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932200A (en) * | 1973-06-19 | 1976-01-13 | Japan Steel Works, Ltd. | Flux for a build-up welding |
| US4066478A (en) * | 1975-12-18 | 1978-01-03 | La Soudure Electrique Autogene, Procedes Arcos, S.A. | Basic agglomerated flux with a high cao content for the welding of ordinary or low alloy steels |
| JPS5897494A (en) * | 1981-12-07 | 1983-06-09 | Kawasaki Steel Corp | Submerged arc welding method for austenitic stainless steel for ultra-low temperature service |
| CN101219509A (en) * | 2008-01-30 | 2008-07-16 | 李涛 | High-carbon high-alloy buried arc automatic weld deposit welding flux |
| JP4828488B2 (en) * | 2007-08-23 | 2011-11-30 | 新日本製鐵株式会社 | Submerged arc welding method |
-
2015
- 2015-11-20 CN CN201510814720.6A patent/CN105215578A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932200A (en) * | 1973-06-19 | 1976-01-13 | Japan Steel Works, Ltd. | Flux for a build-up welding |
| US4066478A (en) * | 1975-12-18 | 1978-01-03 | La Soudure Electrique Autogene, Procedes Arcos, S.A. | Basic agglomerated flux with a high cao content for the welding of ordinary or low alloy steels |
| JPS5897494A (en) * | 1981-12-07 | 1983-06-09 | Kawasaki Steel Corp | Submerged arc welding method for austenitic stainless steel for ultra-low temperature service |
| JP4828488B2 (en) * | 2007-08-23 | 2011-11-30 | 新日本製鐵株式会社 | Submerged arc welding method |
| CN101219509A (en) * | 2008-01-30 | 2008-07-16 | 李涛 | High-carbon high-alloy buried arc automatic weld deposit welding flux |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514054A (en) * | 2016-11-29 | 2017-03-22 | 洛阳双瑞特种合金材料有限公司 | Sintered flux for band electrode submerged arc surfacing of nickel-based 625 alloy and preparation method of sintered flux |
| CN107262971A (en) * | 2017-06-14 | 2017-10-20 | 海宁瑞奥金属科技有限公司 | A kind of A TIG welds activated rosin flux |
| CN108057964A (en) * | 2017-12-12 | 2018-05-22 | 北京金威焊材有限公司 | Ni-based filament sintered flux used for submerged arc welding |
| CN108453353A (en) * | 2018-04-24 | 2018-08-28 | 今创集团股份有限公司 | The welding method of red copper |
| CN108453353B (en) * | 2018-04-24 | 2020-06-26 | 今创集团股份有限公司 | Welding method of red copper |
| CN113319470A (en) * | 2021-06-21 | 2021-08-31 | 中国船舶重工集团公司第七二五研究所 | Bonding flux capable of transferring alloy elements and used for nickel-based welding wire and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105215578A (en) | The submerged arc welding flux of nickel-base alloy, welding wire and welding method | |
| KR101923806B1 (en) | Stainless steel flux cored wire | |
| CN102161137B (en) | Flux-cored wire, preparation and application thereof | |
| CN105945453B (en) | Steel construction U-shaped floor sintered flux used for submerged arc welding | |
| JP6671157B2 (en) | Flux-cored wire for stainless steel welding, stainless steel welded joint, and method of manufacturing the same | |
| JP2013151001A (en) | Flux-cored wire for gas-shielded arc welding for weather-resistant steel | |
| CN109530976B (en) | 800MPa weather-resistant high-strength steel matched welding flux for bridge and preparation method thereof | |
| CN108296667A (en) | A kind of flux-cored wire and preparation method for Underwater Welding | |
| JP6437471B2 (en) | Low hydrogen coated arc welding rod | |
| JP5885618B2 (en) | Stainless steel flux cored wire | |
| JP6385846B2 (en) | 9% Ni steel welding flux cored wire | |
| JP6434387B2 (en) | Low hydrogen coated arc welding rod | |
| CN104959748A (en) | Flux-cored wire special for maritime work low-temperature high-strength steel | |
| JP2007160314A (en) | Flux cored wire for welding high-strength stainless steel | |
| JP2009248137A (en) | Flux cored wire for gas-shielded arc welding | |
| JP2018153853A (en) | Flux-cored wire for gas shield arc welding | |
| CN103962746B (en) | A kind of arc welding gas shielded flux cored wire | |
| CN106181116A (en) | Ni base alloy covered electrode | |
| CN102528317B (en) | Flux-cored wire for electrogas welding | |
| JP2005319508A (en) | Flux cored wire for gas-shielded arc welding | |
| JP6385879B2 (en) | Flux-cored wire for gas shielded arc welding | |
| CN109093286A (en) | A kind of 2.25Cr-1Mo steel exchange submerged arc welding welding wire and solder flux | |
| CN105345315A (en) | High-Ni-content self-protection flux-cored wire for welding high-steel-grade pipeline | |
| CN106181115A (en) | Low spatter 9Ni steel nickel-based welding electrode | |
| CN105880867A (en) | Flux cored wire, and production method and application 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 | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Fei Inventor after: Li Yajun Inventor after: Li Xinyu Inventor after: Jiang Yong Inventor before: Yang Fei Inventor before: Li Yajun |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |