CN105710559A - Nickel-based alloy welding rod and manufacturing method thereof - Google Patents
Nickel-based alloy welding rod and manufacturing method thereof Download PDFInfo
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- CN105710559A CN105710559A CN201610247086.7A CN201610247086A CN105710559A CN 105710559 A CN105710559 A CN 105710559A CN 201610247086 A CN201610247086 A CN 201610247086A CN 105710559 A CN105710559 A CN 105710559A
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- parts
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Classifications
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- 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
- B23K35/22—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
- B23K35/3602—Carbonates, basic oxides or hydroxides
-
- 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
- B23K35/404—Coated rods; Coated electrodes
Abstract
The invention discloses a nickel-based alloy welding rod and a manufacturing method thereof. The nickel-based alloy welding rod comprises a welding rod and a coating. The nickel-based alloy welding rod comprises the following components in parts by weight: 35-50 parts of marbles, 10-30 parts of fluorite, 0.1-2 parts of soda ash, 3-10 parts of potassium titanate, 0-5 parts of atomized ferrosilicon, 0.5-1 part of sodium carboxymethylcellulose, 2-8 parts of electrolytic manganese, 2-10 parts of silicate and 2-10 parts of haicheng powder. According to the nickel-based alloy welding rod and the manufacturing method thereof disclosed by the invention, the nickel-based alloy welding rod manufactured by the manufacturing method can meet a high-toughness nickel-based welding rod under a cryogenic condition of (-)193 DEG C by utilizing NiCrMo-6 type alloy components.
Description
Technical field
The disclosure relates generally to welding technology field, is specifically related to welding rod field, particularly relates to one
Plant nickel base alloy covered electrode and manufacture method thereof.
Background technology
In recent years, China carries forward vigorously, implement clean energy resource strategy, natural as low cost
Gas conveying method, liquefied natural gas industry is just with swift and violent speed increase, and LNG equipment needs full
The service condition that foot ultralow temperature, resistance to liquefied gas corrosion etc. are more harsh, to manufacturing LNG basin tank
Critical material nickel system's low temperature 9Ni steel of body and solder technology propose great demand.But this
One material depends on import, and this has formed severely restricts to LNG industrial expansion, should
Product also in space state, goes out the supporting special weldering of LNG by research and development Preliminary development at present
Bar, meets LNG and uses harsh rigor condition, in prior art, be also manufactured without out meeting
The high-tenacity welding electrodes of the Cryogenic Conditions of-193 DEG C.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide one can meet-193 DEG C
The nickel base alloy covered electrode of high tenacity of Cryogenic Conditions.
The present invention provides a kind of nickel base alloy covered electrode, including core wire and coating, in terms of parts by weight,
The coating of nickel base alloy covered electrode comprises following components:
Marble: 35-50 part, fluorite: 10-30 part, soda: 0.1-2 part, potassium titanate 3-10
Part, atomization ferrosilicon: 0-5 part, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.5-1 part, electrolytic manganese: 2-8
Part, silicate: 2-10 part, marine origin powder: 2-10 part.
In coating, the mass component content of each component, granularity requirement are:
Marble: CaCO3>96%, S<0.03%, P<0.03%, granularity is 40-180 mesh；
Fluorite: CaF2>96%, S<0.03%, P<0.02%, granularity is 40-180 mesh；
Soda: Na2CO3>98%, NaCl<1.2%, Fe2O3< 0.2%, Na2SO4< 0.1%；
Potassium titanate: KaCO3>=96.0%, S≤0.050%, P≤0.050%, granularity is 180-200
Mesh；
Atomization ferrosilicon: < < 0.05%, granularity is 40-200 for 0.02%, P for Si:43.5-47%, S
Mesh；
Fine micro-element sodium: the CMC>95% of carboxymethyl board for taking notes in ancient times, NaCl<2.5%, moisture<2.5%；
Electrolytic manganese: Mn >=99.5%, S≤0.10%, P≤0.010%, C≤0.08%, granularity
For 40-160 mesh；
Silicate: SiO2: 40-60%, CaO:40-50%, MgO < 8%, Fe2O3< 5%,
AL2O3< < < 0.040%, granularity is 80-100 mesh for 0.040%, P for 5%, S；
Marine origin powder: CaCO3> 80%, CaF2>50%, Si:20-30%, S<0.040, P<0.050,
Granularity is 60-160 mesh.
The present invention provides the manufacture method of a kind of nickel base alloy covered electrode, the steps include:
Make the coating of nickel base alloy covered electrode, count by weight, take following components:
Marble: 35-50 part, fluorite: 10-30 part, soda: 0.1-2 part, potassium titanate 3-10
Part, atomization ferrosilicon: 0-5 part, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.5-1 part, electrolytic manganese: 2-8
Part, silicate: 2-10 part, marine origin powder: 2-10 part；
Each for coating component is dry mixed, is subsequently adding waterglass, continue stirring；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee.
The nickel base alloy covered electrode that the nickel base alloy covered electrode of the present invention and manufacture method thereof manufacture, passes through
Utilize NiCrMo-6 type alloy composition, high tenacity Ni-based of the Cryogenic Conditions of-193 DEG C can be met
Welding rod.
Detailed description of the invention
Below in conjunction with embodiment, the application is described in further detail.It is understood that
Specific embodiment described herein is used only for explaining related invention, rather than the limit to this invention
Fixed.
It should be noted that in the case of not conflicting, the embodiment in the application and embodiment
In feature can be mutually combined.The application is described in detail below with reference to embodiment.
Embodiment one
Count by weight, take following components:
Marble: 35 parts, fluorite: 10 parts, soda: 0.1 part, potassium titanate 3 parts, carboxylic first
The fine micro-element sodium of base board for taking notes in ancient times: 0.5 part, electrolytic manganese: 2 parts, silicate: 2 parts, marine origin powder: 2 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
Embodiment two
Count by weight, take following components:
Marble: 50 parts, fluorite: 30 parts, soda: 2 parts, potassium titanate 0 part, it is atomized silicon
Ferrum: 5 parts, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 1 part, electrolytic manganese: 8 parts, silicate: 10 parts,
Marine origin powder: 10 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
Embodiment three
Count by weight, take following components:
Marble: 38 parts, fluorite: 13 parts, soda: 0.3 part, potassium titanate 4 parts, atomization
Ferrosilicon: 1 part, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.7 part, electrolytic manganese: 3 parts, silicate: 3
Part, marine origin powder: 3 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
Embodiment four
Count by weight, take following components:
Marble: 48 parts, fluorite: 27 parts, soda: 1.9 parts, potassium titanate 9 parts, atomization
Ferrosilicon: 4 parts, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.9 part, electrolytic manganese: 7 parts, silicate: 9
Part, marine origin powder: 9 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
Embodiment five
Count by weight, take following components:
Marble: 41 parts, fluorite: 20 parts, soda: 1 part, potassium titanate 7 parts, it is atomized silicon
Ferrum: 3 parts, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.8 part, electrolytic manganese: 5 parts, silicate: 5 parts,
Marine origin powder: 6 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
Embodiment six
Count by weight, take following components:
Marble: 42 parts, fluorite: 21 parts, soda: 1.1 parts, potassium titanate 7 parts, atomization
Ferrosilicon: 3 parts, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.8 part, electrolytic manganese: 5 parts, silicate: 5
Part, marine origin powder: 6 parts；
The component of acquirement is dry mixed, is subsequently adding 1:1 potassium-sodium water glass, continue stirring,
It is fabricated to coating；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee, dry
Roasting temperature is 380 degree.
In embodiment one to embodiment six, the mass component content of each component of coating, granularity are wanted
Ask for:
Marble: CaCO3>96%, S<0.03%, P<0.03%, granularity is 40-180 mesh；
Fluorite: CaF2>96%, S<0.03%, P<0.02%, granularity is 40-180 mesh；
Soda: Na2CO3>98%, NaCl<1.2%, Fe2O3< 0.2%, Na2SO4 < 0.1%；
Potassium titanate: KaCO3>=96.0%, S≤0.050%, P≤0.050%, granularity is 180-200
Mesh；
Atomization ferrosilicon: < < 0.05%, granularity is 40-200 for 0.02%, P for Si:43.5-47%, S
Mesh；
Fine micro-element sodium: the CMC>95% of carboxymethyl board for taking notes in ancient times, NaCl<2.5%, moisture<2.5%；
Electrolytic manganese: Mn >=99.5%, S≤0.10%, P≤0.010%, C≤0.08%, granularity
For 40-160 mesh；
Silicate: SiO2: 40-60%, CaO:40-50%, MgO < 8%, Fe2O3< 5%,
AL2O3< < < 0.040%, granularity is 80-100 mesh for 0.040%, P for 5%, S；
Marine origin powder: CaCO3> 80%, CaF2>50%, Si:20-30%, S<0.040, P<0.050,
Granularity is 60-160 mesh.
The nickel base alloy covered electrode of each embodiment manufacture carries out weld seam every metal power that welding is formed
Learning performance such as following table, wherein guarantee value is the minimum standards of metal welding seam.
By the experimental result of every mechanical property of butt welded seam above, use the present invention's
The nickel base alloy covered electrode processing weld seam of nickel base alloy covered electrode and manufacture method thereof, substantially increases weldering
The tensile strength of seam, yield strength, Charpy v-notch impact absorbing energy, percentage elongation etc. are every
Performance.
The present invention uses and utilizes NiCrMo-6 type alloy composition, can meet the Cryogenic Conditions of-193 DEG C
The nickel-base welding rod of high tenacity.
The present invention, in terms of electric arc blows control, uses X-type cellulose to make gas-forming agent, and welding rod is suppressed
Fairly simple, the speed that freezes of welding rod is relatively slow, and gas making amount both can guarantee that the towing force of molten pool metal,
The most do not cause root excessively to burn, form defect.
Above description is only the preferred embodiment of the application and saying institute's application technology principle
Bright.It will be appreciated by those skilled in the art that invention scope involved in the application, do not limit
In the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain simultaneously without departing from
In the case of described inventive concept, above-mentioned technical characteristic or its equivalent feature carry out combination in any
And other technical scheme formed.Such as features described above and (but not limited to) disclosed herein
The technical characteristic with similar functions is replaced mutually and the technical scheme that formed.
Claims (5)
1. a nickel base alloy covered electrode, including core wire and coating, it is characterised in that with weight portion
Number meter, described coating comprises following components:
Marble: 35-50 part, fluorite: 10-30 part, soda: 0.1-2 part, potassium titanate 3-10
Part, atomization ferrosilicon: 0-5 part, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.5-1 part, electrolytic manganese: 2-8
Part, silicate: 2-10 part, marine origin powder: 2-10 part.
Nickel base alloy covered electrode the most according to claim 1, it is characterised in that described coating
In the mass component content of each component, granularity require be:
Described marble: CaCO3>96%, S<0.03%, P<0.03%, granularity is 40-180
Mesh；
Described fluorite: CaF2>96%, S<0.03%, P<0.02%, granularity is 40-180 mesh；
Described soda: Na2CO3>98%, NaCl<1.2%, Fe2O3< 0.2%, Na2SO4< 0.1%；
Described potassium titanate: KaCO3>=96.0%, S≤0.050%, P≤0.050%, granularity is
180-200 mesh；
Described atomization ferrosilicon: < < 0.05%, granularity is 40-200 for 0.02%, P for Si:43.5-47%, S
Mesh；
Fine micro-element sodium: the CMC>95% of described carboxymethyl board for taking notes in ancient times, NaCl<2.5%, moisture<2.5%；
Described electrolytic manganese: Mn >=99.5%, S≤0.10%, P≤0.010%, C≤0.08%,
Granularity is 40-160 mesh；
Described silicate: SiO2: 40-60%, CaO:40-50%, MgO < 8%, Fe2O3< 5%,
AL2O3< < < 0.040%, granularity is 80-100 mesh for 0.040%, P for 5%, S；
Described marine origin powder: CaCO3> 80%, CaF2>50%, Si:20-30%, S<0.040,
P < 0.050, granularity is 60-160 mesh.
3. the manufacture method of a nickel base alloy covered electrode, it is characterised in that the steps include:
Make the coating of nickel base alloy covered electrode, count by weight, take following components:
Marble: 35-50 part, fluorite: 10-30 part, soda: 0.1-2 part, potassium titanate 3-10
Part, atomization ferrosilicon: 0-5 part, the fine micro-element sodium of carboxymethyl board for taking notes in ancient times: 0.5-1 part, electrolytic manganese: 2-8
Part, silicate: 2-10 part, marine origin powder: 2-10 part；
The component of acquirement is dry mixed, is subsequently adding waterglass, continue stirring, make patent medicine
Skin；
Coating after stirring is evenly coated on core wire, suppression electrode；
Compressing welding rod is sent into after natural drying high temperature drying stove bakee.
The manufacture method of nickel base alloy covered electrode the most according to claim 3, it is characterised in that
Waterglass is 1:1 potassium-sodium water glass.
The manufacture method of nickel base alloy covered electrode the most according to claim 3, it is characterised in that
Described stoving temperature is 380 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610247086.7A CN105710559A (en) | 2016-04-19 | 2016-04-19 | Nickel-based alloy welding rod and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610247086.7A CN105710559A (en) | 2016-04-19 | 2016-04-19 | Nickel-based alloy welding rod and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105710559A true CN105710559A (en) | 2016-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610247086.7A Pending CN105710559A (en) | 2016-04-19 | 2016-04-19 | Nickel-based alloy welding rod and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271206A (en) * | 2016-09-07 | 2017-01-04 | 南京工程学院 | A kind of high alkalinity slag nickel base alloy covered electrode and preparation method thereof |
| CN110253176A (en) * | 2019-05-30 | 2019-09-20 | 株洲湘江电焊条有限公司 | Welding rod and preparation method thereof suitable for AC power source welding natural gas storage tank |
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| CN110253176A (en) * | 2019-05-30 | 2019-09-20 | 株洲湘江电焊条有限公司 | Welding rod and preparation method thereof suitable for AC power source welding natural gas storage tank |
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Application publication date: 20160629 |