CN106112312A - Nichrome steel nickel-base welding rod and production method thereof for military project pneumatic system - Google Patents
Nichrome steel nickel-base welding rod and production method thereof for military project pneumatic system Download PDFInfo
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- CN106112312A CN106112312A CN201610720758.1A CN201610720758A CN106112312A CN 106112312 A CN106112312 A CN 106112312A CN 201610720758 A CN201610720758 A CN 201610720758A CN 106112312 A CN106112312 A CN 106112312A
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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
- B23K35/304—Ni as the principal constituent with Cr as the 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
- B23K35/3602—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
- B23K35/22—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
- B23K35/3608—Titania or titanates
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Nonmetallic Welding Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses the nichrome steel nickel-base welding rod for military project pneumatic system and production method thereof, described welding rod includes nichrome core wire and wraps in the coating on core wire surface, in parts by weight, coating includes following components: golden red stone powder 5.5～9.5 parts, cryolite powder 4～7.5 parts, marble powder 5～9 parts, ilmenite powder 0.5～1.5 parts, brium carbonate 0.8～2 parts, sodium alginate 0.1～0.3 part, soda 0.1～0.2 part, electrolytic manganese 1～2 parts, ferro-niobium powder 1.5～2.5 parts；The weight of coating is the 25～35wt% of nichrome core wire weight.Production method is: be uniformly mixed according to a ratio by each component powder of coating, add binding agent and continue mix homogeneously, be subsequently sent to plodder and gained coating wrapped on nichrome core wire, after bakee and high temperature bakees and prepares the nichrome steel nickel-base welding rod for military project pneumatic system through low temperature.
Description
Technical field
The invention belongs to technical field of welding materials, more particularly, relate to one and meet ENiCrFe-1 in ASME standard
The nichrome steel nickel-base welding rod for military project pneumatic system required and production method thereof.
Background technology
Pneumatic system is the general designation of the system with compressed air as power and instrument, and it makes the machines such as piston by compressed air
Part produces different motions and is operated.Make straight reciprocating motion and produce impulsive force have pneumatic pick air rock drill rivet
Machine etc.；Produce pressure has forcing press jack elevator etc.；Produce rotary motion has air drill air operated portable grinder etc..Wind
Dynamic system and equipment work and use circumstance complication, and this just requires it to manufacture and welds, repair materials at high temperature has higher
Intensity, wearability and there is the combination properties such as certain antioxidant anticorrosive ability.
Owing to the deposited metal of nickel-base welding rod is based on nickel and containing other alloying elements, and have in some media
Well corrosion resistance, so being usually used to welding and repairing pneumatic system equipment.
Owing to wlding is melted on the basis of ENiCrFe-1 in ASME standard by domestic military project pneumatic system device fabrication enterprise
Metallisation performance proposes higher requirement, and common ENiCrFe-1 is difficult to meet requirement, it is therefore necessary to develop a kind of welding rod
Deposited metal good mechanical performance and meet the nichrome steel nickel-base welding rod of military project pneumatic system device fabrication requirement.
Summary of the invention
In order to solve problems of the prior art, it is an object of the invention to provide a kind of welding rod deposited metal mechanical property
Can be excellent and meet nichrome steel nickel-base welding rod and the production method thereof of military project pneumatic system device fabrication requirement.
An aspect of of the present present invention provides the nichrome steel nickel-base welding rod for military project pneumatic system, including nickel chromium iron
Alloy core wire and wrap in the coating on core wire surface, in parts by weight, described coating includes following components: golden red stone powder 5.5～
9.5 parts, cryolite powder 4～7.5 parts, marble powder 5～9 parts, ilmenite powder 0.5～1.5 parts, brium carbonate 0.8～2 parts, Sargassum
Acid sodium 0.1～0.3 part, soda 0.1～0.2 part, electrolytic manganese 1～2 parts, ferro-niobium powder 1.5～2.5 parts；Wherein, the weight of described coating
Amount is the 25～35wt% of nichrome core wire weight.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with quality hundred according to the present invention
Proportion by subtraction meter, the TiO in described rutile2Content >=91wt%；F content >=54wt%, Al content in described cryolite >=
15wt%, Na content≤29wt%；CaCO in described marble3Content >=96wt%；FeO content in described ilmenite with
Fe2O3Content sum >=45wt%, TiO2Content >=46wt%；BaCO in described brium carbonate3Content >=98.5wt%；Institute
Stating the content of ashes in sodium alginate is 20～30wt%, Na2O content is 9.5～13.0wt%；Na in described soda2CO3
Content >=98.5wt%；Mn content >=99.5wt% in described electrolytic manganese；Nb content in described ferro-niobium powder >=50wt%, Si
Content≤2.5wt%, Al content≤2.0wt%, FeO content is 20～30wt%.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with weight portion according to the present invention
Meter, described coating includes following components: golden red stone powder 6 parts, cryolite powder 4.5 parts, marble powder 7 parts, ilmenite powder 1.5 parts,
Brium carbonate 1.8 parts, sodium alginate 0.2 part, soda 0.2 part, electrolytic manganese 2 parts, 2.5 parts of ferro-niobium powder.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with weight portion according to the present invention
Meter, described coating includes following components: golden red stone powder 9.5 parts, cryolite powder 7.5 parts, marble powder 5 parts, ilmenite powder 1 part,
Brium carbonate 0.8 part, sodium alginate 0.2 part, soda 0.1 part, electrolytic manganese 1 part, 1.5 parts of ferro-niobium powder.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with weight portion according to the present invention
Meter, described coating includes following components: golden red stone powder 5.5 parts, cryolite powder 4 parts, marble powder 9 parts, ilmenite powder 0.5 part,
Brium carbonate 2 parts, sodium alginate 0.3 part, soda 0.2 part, electrolytic manganese 2 parts, 2.5 parts of ferro-niobium powder.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with quality hundred according to the present invention
Proportion by subtraction meter, described nichrome core wire include following component: C≤0.04wt%, Mn 2.5～4.0wt%, Si≤
0.20wt%, Cr 15.0～18.0wt%, Fe 2.0～5.0wt%, Ti 0.4～1.0wt%, Co≤0.05wt%, Nb
1.5～2.5wt%, Cu≤0.03wt%, S≤0.010wt%, P≤0.025wt% and the Ni of surplus and the most miscellaneous
Matter.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system, described coating it is used for according to the present invention
In also include that binding agent, the weight of described binding agent are coating weight 20～28wt%；Described binding agent is that Baume concentration is
41 °～the sodium silicate of 43 °, KP1 or potassium-sodium water glass.
An embodiment of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for, with quality hundred according to the present invention
Proportion by subtraction meter, the welding deposited metal of described nichrome steel nickel-base welding rod comprise following component: C≤0.08wt%, Mn≤
3.5wt%, Si≤0.8wt%, S≤0.015wt%, P≤0.020wt%, Cr 13.0～17.0wt%, Fe≤11.0wt%,
Cu≤0.5wt%, Nb+Ta 0.5～4.0wt%, Ni >=69wt% and the impurity of surplus；Described welding deposited metal is often
Tensile strength Rm under Wen >=550Mpa, yield strength Rp0.2>=410Mpa, elongation percentage A >=30%.
Another aspect provides the life of the above-mentioned nichrome steel nickel-base welding rod for military project pneumatic system
Product method, is uniformly mixed according to a ratio each component powder of described coating, add that weight is coating weight 20～28%
Binding agent also continues mix homogeneously, is subsequently sent to plodder and wraps on nichrome core wire by gained coating, after through low
Temperature bakees and high temperature bakees and prepares the described nichrome steel nickel-base welding rod for military project pneumatic system.
An enforcement of the production method of the nichrome steel nickel-base welding rod of military project pneumatic system it is used for according to the present invention
Example, the temperature that described low temperature bakees is 80～100 DEG C, and the temperature that described high temperature bakees is 330～380 DEG C.
Nichrome steel nickel-base welding rod that the present invention the prepares welding chemical composition analysis of deposited metal, ray detection,
Tension test is satisfied by the particular/special requirement of military project, welds deposited metal tensile strength (Rm) under as-welded, under normal temperature condition, bends
Take intensity (Rp0.2), elongation percentage (A) excellent, meet ENiCrFe-1 requirement in ASME standard；During welding, coating is difficult to rubescent opening
Splitting, welding rod remainder is short, and de-slag is easy, has preferable welding usability.Further, this nichrome steel nickel-base welding rod is special
It is not applicable to weld the higher military project pneumatic system equipment of heat-resisting, high-temperature corrosion resistance, creep rupture strength requirement and space flight, stone
The Inconel 600 that the field such as oiling work, food processing equipment uses dock and with the welding of stainless steel-like foreign material.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification, unless specifically stated otherwise, all can by other equivalence or there is similar purpose
Alternative features is replaced.I.e., unless specifically stated otherwise, an example during each feature is a series of equivalence or similar characteristics
?.
The most first the present invention is described in detail for the nichrome steel nickel-base welding rod of military project pneumatic system.
According to the exemplary embodiment of the present invention, the described nichrome steel nickel-base welding rod bag for military project pneumatic system
Include nichrome core wire and wrap in the coating on core wire surface.Wherein, the nichrome core wire used in the present invention is permissible
The core wire used by existing nichrome steel nickel-base welding rod, it is preferable that by percentage to the quality, described nichrome welds
Core includes following component: C≤0.04wt%, Mn 2.5～4.0wt%, Si≤0.20wt%, Cr 15.0～18.0wt%, Fe
2.0～5.0wt%, Ti 0.4～1.0wt%, Co≤0.05wt%, Nb 1.5～2.5wt%, Cu≤0.03wt%, S≤
0.010wt%, P≤0.025wt% and the Ni of surplus and inevitably impurity.
Further, in parts by weight, described coating includes following components: golden red stone powder 5.5～9.5 parts, cryolite powder 4～
7.5 parts, marble powder 5～9 parts, ilmenite powder 0.5～1.5 parts, brium carbonate 0.8～2 parts, sodium alginate 0.1～0.3 part, pure
Alkali 0.1～0.2 part, electrolytic manganese 1～2 parts, ferro-niobium powder 1.5～2.5 parts；Wherein, the weight of coating is nichrome core wire weight
The 25～35wt% of amount.The coating of said components and proportioning can with nichrome core wire cooperatively form good mechanical performance and
Meet the welding deposited metal of military project pneumatic system device fabrication requirement.
Specifically, in coating, the effect of golden red stone powder mainly stablizes electric arc slag making, it is possible to regulates the fusing point of slag, glue
Degree, surface tension and mobility, improve appearance of weld, reduce and splash.The golden red stone powder butt welded seam that adds in the present invention shapes,
Arc stability plays a crucial role.The Main Function of cryolite powder is slag making the physical property adjusting slag, moreover it is possible to dehydrogenation is also
Improve usability of electrode energy.Marble powder can resolve into CaO and CO under the effect of arc heat2, it is normal during welding rod manufactures
Slag making, gas generating materials, it is possible to increase the basicity of slag, stablize electric arc and refine molten drop, increase slag open with metal interface
Power, improves de-slag and has preferable desulphurizing ability.The Main Function of ilmenite powder is slag making, and promoting molten drop is vaporific transition, carries
High speed of welding, beneficially weld seam take off slag and improve appearance of weld, can partly replace rutile and reduce welding rod cost.Carbonic acid
The Main Function of barium is slag making, gas making, stablizes electric arc, adjusts slag physical property, improves the removability of slag and extrusion performance.Alginic acid
Sodium adds the extrusion that can increase welding rod.Soda can be as lubricant during the extrusion of welding rod.The addition of electrolytic manganese
The effect of desulfurization, deoxidation can be played, it is also possible to weld seam transition (infiltration) manganese element, improve weld strength.Ferro-niobium powder is as conjunction
Gold agent can improve the intensity of weld metal, plasticity and the ability of heat-and corrosion-resistant to weld seam transition (infiltration) niobium element.
Requiring and more excellent to ensure that the welding performance of welding rod meets, in coating, each component need to meet following requirement: with matter
Amount percentages, the TiO in rutile2Content >=91wt%；F content in cryolite >=54wt%, Al content >=15wt%,
Na content≤29wt%；CaCO in marble3Content >=96wt%；FeO content in ilmenite and Fe2O3Content sum
>=45wt%, TiO2Content >=46wt%；BaCO in brium carbonate3Content >=98.5wt%；Content of ashes in sodium alginate is
20～30wt%, Na2O content is 9.5～13.0wt%；Na in soda2CO3Content >=98.5wt%；Mn in electrolytic manganese contains
Amount >=99.5wt%；Nb content in ferro-niobium powder >=50wt%, Si content≤2.5wt%, Al content≤2.0wt%, FeO content
It is 20～30wt%.
It is highly preferred that each component of coating that the present invention uses is: containing TiO2The golden red stone powder of 94.6wt%, containing F
The cryolite powder of 55wt%, containing CaCO3The marble powder of 98.50wt%, containing FeO+Fe2O348.6wt%, TiO2
The ilmenite powder of 46.78wt%, containing BaCO3The brium carbonate of 99.3wt%, containing Na2The sodium alginate of O 12.67wt%, contain
Na2CO3The soda of 99.1wt%, the electrolytic manganese containing Mn 99.94wt%, ferro-niobium powder containing Nb 55.48wt%, but the present invention is not
It is limited to this.
According to one embodiment of present invention, in parts by weight, described coating includes following components: golden red stone powder 6 parts, ice
4.5 parts of spar powder, marble powder 7 parts, ilmenite powder 1.5 parts, brium carbonate 1.8 parts, sodium alginate 0.2 part, soda 0.2 part, electricity
Solve 2 parts of manganese, 2.5 parts of ferro-niobium powder.
According to another embodiment of the invention, in parts by weight, described coating includes following components: golden red stone powder 9.5
Part, cryolite powder 7.5 parts, marble powder 5 parts, ilmenite powder 1 part, brium carbonate 0.8 part, sodium alginate 0.2 part, soda 0.1 part,
Electrolytic manganese 1 part, 1.5 parts of ferro-niobium powder.
According to still another embodiment of the invention, in parts by weight, described coating includes following components: golden red stone powder 5.5
Part, cryolite powder 4 parts, marble powder 9 parts, ilmenite powder 0.5 part, brium carbonate 2 parts, sodium alginate 0.3 part, soda 0.2 part, electricity
Solve 2 parts of manganese, 2.5 parts of ferro-niobium powder.
Additionally, for each component powder bonding coating, also include binding agent in coating, and the weight of binding agent is medicine
The 20～28wt% of tare weight amount.Preferably, binding agent be Baume concentration be 41 °～the sodium silicate of 43 °, KP1 or potassium sodium
Waterglass.
The welding rod welding deposited metal composition analysis of present invention protection, ray detection, tension test are satisfied by army
The particular/special requirement of work, welds deposited metal tensile strength (Rm), yield strength (Rp0.2) under as-welded, under normal temperature condition, prolongs
Stretch rate (A) excellent, meet ENiCrFe-1 requirement in ASME standard.Specifically, by percentage to the quality, nichrome steel nickel
The welding deposited metal of base welding rod comprise following component: C≤0.08wt%, Mn≤3.5wt%, Si≤0.8wt%, S≤
0.015wt%, P≤0.020wt%, Cr 13.0～17.0wt%, Fe≤11.0wt%, Cu≤0.5wt%, Nb+Ta 0.5～
4.0wt%, Ni >=69wt% and the impurity of surplus；Described welding deposited metal tensile strength Rm at normal temperatures >=
550Mpa, yield strength Rp0.2>=410Mpa, elongation percentage A >=30%.
Next the above-mentioned production method for the nichrome steel nickel-base welding rod of military project pneumatic system is carried out specifically
Describe.
According to the exemplary embodiment of the present invention, its production method is particularly as follows: mixed each component powder of coating by proportioning
Closing uniformly, add 20～the binding agent of 28% that weight is coating weight and continue mix homogeneously, being subsequently sent to plodder will
Gained coating wraps on nichrome core wire, after through low temperature bakee and high temperature bakee prepare described for the pneumatic system of military project
The nichrome steel nickel-base welding rod of system.
Wherein, binding agent preferably Baume concentration is 41 °～the potassium-sodium water glass of 43 °；Low temperature bakee temperature be 80～
100 DEG C, the temperature that high temperature bakees is 330～380 DEG C.
Should be understood that above-mentioned embodiment that the present invention describes in detail and following example are merely to illustrate the present invention rather than limit
The scope of the present invention processed, some nonessential improvement and tune that those skilled in the art makes according to the foregoing of the present invention
Whole belong to protection scope of the present invention.
Below in conjunction with specific embodiment to the present invention for military project pneumatic system nichrome steel nickel-base welding rod and
Production method is described further.
Embodiment 1:
Take nichrome core wire 100kg and its composition (wt%) including: C 0.020%, S 0.0018%, P
0.005%, Si 0.07%, Mn 3.15%, Cr 16.49%, Fe 2.58%, Cu 0.0046%, Ti 0.54%, Co
0.017%, the Nb 1.66% and Ni of surplus and inevitably impurity.
The weight proportion of each component in skin 25.7 kilograms and coating of getting it filled is as follows: containing TiO2The golden red stone powder of 94.6wt%
6kg；Cryolite powder 4.5kg containing F55wt%；Containing CaCO3The marble powder 7kg of 98.50wt%；Containing FeO+Fe2O3
48.6wt%, TiO2The ilmenite powder 1.5kg of 46.78wt%；Containing BaCO3The brium carbonate 1.8kg of 99.3wt%；Containing Na2O
The sodium alginate 0.2kg of 12.67wt%；Containing Na2CO3The soda 0.2kg of 99.1wt%；Electrolytic manganese containing Mn 99.94wt%
2kg；Ferro-niobium powder 2.5kg containing Nb 55.48wt%.
By the above-mentioned powder of coating according to proportioning mix homogeneously after, add Baume concentration be 41 °～the potassium-sodium water glass of 43 °
6.3kg mix homogeneously, is wrapped up in being then fed into plodder and being on nichrome core wire, then the low temperature baking through 100 DEG C
Roast 3 hours, the high temperature of 360 DEG C bakee 1 hour, obtain 1# nichrome steel nickel-base welding rod.
The 1# nichrome steel nickel-base welding rod of gained carrying out Welding experiment, arc stability, splashes little, the removability of slag is good
Good, all-position welding function admirable, appearance of weld is attractive in appearance, and bead height is moderate；Its deposited metal composition (wt%) including: C
0.049%, Mn 2.85%, Si 0.39%, S 0.009%, P 0.0053%, Cr 15.97%, Fe 8.28%, Cu
0.022%, Nb+Ta 2.12%, Ni 69.91% and the impurity of surplus；Deposited metal mechanical property at normal temperatures: Rm is
648Mpa、Rp0.2It is 40.5% for 416Mpa, A；X-ray detection is qualified.
Embodiment 2:
The present embodiment is in addition to the varying in weight of component each in coating, and remaining is the most same as in Example 1.
In the present embodiment, in get it filled skin 26.6 kilograms and coating, the weight proportion of each component is as follows: containing TiO294.6wt%
Golden red stone powder 9.5kg；Cryolite powder 7.5kg containing F 55wt%；Containing CaCO3The marble powder 5kg of 98.50wt%；Contain
FeO+Fe2O348.6wt%, TiO2The ilmenite powder 1kg of 46.78wt%；Containing BaCO3The brium carbonate 0.8kg of 99.3wt%；
Containing Na2The sodium alginate 0.2kg of O 12.67wt%；Containing Na2CO3The soda 0.1kg of 99.1wt%；Containing Mn 99.94wt%'s
Electrolytic manganese 1kg；Ferro-niobium powder 1.5kg containing Nb 55.48wt%.And finally prepare 2# nichrome steel nickel-base welding rod.
The 2# nichrome steel nickel-base welding rod of gained is carried out Welding experiment, and its deposited metal composition (wt%) including: C
0.044%, Mn 3.0%, Si 0.42%, S 0.0084%, P 0.0044%, Cr 15.91%, Fe 8.16%, Cu
0.023%, Nb+Ta 1.99%, Ni 69.97% and the impurity of surplus；Deposited metal mechanical property at normal temperatures: Rm is
658Mpa、Rp0.2It is 40.5% for 435Mpa, A；X-ray detection is qualified.
Embodiment 3:
The present embodiment is in addition to Ingredients Weight difference each in coating, and remaining is the most identical with embodiment 1.
In the present embodiment, in get it filled skin 26 kilograms and coating, the weight proportion of each component is as follows: containing TiO294.6wt%'s
Golden red stone powder 5.5kg；Cryolite powder 4kg containing F 55wt%；Containing CaCO3The marble powder 9kg of 98.50wt%；Containing FeO+
Fe2O348.6wt%, TiO2The ilmenite powder 0.5kg of 46.78wt%；Containing BaCO3The brium carbonate 2kg of 99.3wt%；Containing Na2O
The sodium alginate 0.3kg of 12.67wt%；Containing Na2CO3The soda 0.2kg of 99.1wt%；Electrolytic manganese containing Mn 99.94wt%
2kg；Ferro-niobium powder 2.5kg containing Nb 55.48wt%.And finally prepare 3# nichrome steel nickel-base welding rod.
The 3# nichrome steel nickel-base welding rod of gained is carried out Welding experiment, and its deposited metal composition (wt%) including: C
0.048%, Mn 3.05%, Si 0.32%, S 0.0099%, P 0.0046%, Cr 15.99%, Fe 6.4%, Cu
0.021%, Nb+Ta 2.07%, Ni 70.67% and the impurity of surplus；Deposited metal mechanical property at normal temperatures: Rm is
647Mpa、Rp0.2It is 43% for 418Mpa, A；X-ray detection is qualified.
In sum, the present invention is for the welding deposited metal power of the nichrome steel nickel-base welding rod of military project pneumatic system
Learn function admirable, meet military project pneumatic system device fabrication requirement, wherein, Ni >=69wt% in deposited metal composition；Room temperature Rm
≥550Mpa、Rp0.2>=410Mpa, A >=30.0%.Additionally, this nichrome steel nickel-base welding rod is particularly well-suited to weld resistance to
Heat, high-temperature corrosion resistance, creep rupture strength require that higher military project pneumatic system equipment and space flight, petrochemical industry, food add
The Inconel 600 that the field such as construction equipment uses dock and with the welding of stainless steel-like foreign material.
The invention is not limited in aforesaid detailed description of the invention.The present invention expands to any disclose in this manual
New feature or any new combination, and the arbitrary new method that discloses or the step of process or any new combination.
Claims (10)
1. for the nichrome steel nickel-base welding rod of military project pneumatic system, including nichrome core wire with wrap in weldering
The coating of wicking surface, it is characterised in that in parts by weight, described coating includes following components: golden red stone powder 5.5～9.5 parts, ice
Spar powder 4～7.5 parts, marble powder 5～9 parts, ilmenite powder 0.5～1.5 parts, brium carbonate 0.8～2 parts, sodium alginate 0.1～
0.3 part, soda 0.1～0.2 part, electrolytic manganese 1～2 parts, ferro-niobium powder 1.5～2.5 parts；Wherein, the weight of described coating is nickel chromium triangle
The 25～35wt% of ferroalloy core wire weight.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 1, it is characterised in that with
Mass percent, the TiO in described rutile2Content >=91wt%；F content in described cryolite >=54wt%, Al contains
Amount >=15wt%, Na content≤29wt%；CaCO in described marble3Content >=96wt%；FeO in described ilmenite contains
Amount and Fe2O3Content sum >=45wt%, TiO2Content >=46wt%；BaCO in described brium carbonate3Content >=
98.5wt%；Content of ashes in described sodium alginate is 20～30wt%, Na2O content is 9.5～13.0wt%；Described pure
Na in alkali2CO3Content >=98.5wt%；Mn content >=99.5wt% in described electrolytic manganese；Nb content in described ferro-niobium powder
>=50wt%, Si content≤2.5wt%, Al content≤2.0wt%, FeO content is 20～30wt%.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 2, it is characterised in that with
Weight portion meter, described coating includes following components: golden red stone powder 6 parts, cryolite powder 4.5 parts, marble powder 7 parts, ilmenite powder
1.5 parts, brium carbonate 1.8 parts, sodium alginate 0.2 part, soda 0.2 part, electrolytic manganese 2 parts, 2.5 parts of ferro-niobium powder.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 2, it is characterised in that with
Weight portion meter, described coating includes following components: golden red stone powder 9.5 parts, cryolite powder 7.5 parts, marble powder 5 parts, ilmenite
1 part of powder, brium carbonate 0.8 part, sodium alginate 0.2 part, soda 0.1 part, electrolytic manganese 1 part, 1.5 parts of ferro-niobium powder.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 2, it is characterised in that with
Weight portion meter, described coating includes following components: golden red stone powder 5.5 parts, cryolite powder 4 parts, marble powder 9 parts, ilmenite powder
0.5 part, brium carbonate 2 parts, sodium alginate 0.3 part, soda 0.2 part, electrolytic manganese 2 parts, 2.5 parts of ferro-niobium powder.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 1, it is characterised in that with
Mass percent, described nichrome core wire include following component: C≤0.04wt%, Mn 2.5～4.0wt%, Si≤
0.20wt%, Cr 15.0～18.0wt%, Fe 2.0～5.0wt%, Ti 0.4～1.0wt%, Co≤0.05wt%, Nb
1.5～2.5wt%, Cu≤0.03wt%, S≤0.010wt%, P≤0.025wt% and the Ni of surplus and the most miscellaneous
Matter.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 1, it is characterised in that institute
State also include in coating that binding agent, the weight of described binding agent are coating weight 20～28wt%；Described binding agent is Baume
Concentration is 41 °～the sodium silicate of 43 °, KP1 or potassium-sodium water glass.
Nichrome steel nickel-base welding rod for military project pneumatic system the most according to claim 1, it is characterised in that with
Mass percent, the welding deposited metal of described nichrome steel nickel-base welding rod comprise following component: C≤0.08wt%,
Mn≤3.5wt%, Si≤0.8wt%, S≤0.015wt%, P≤0.020wt%, Cr 13.0～17.0wt%, Fe≤
11.0wt%, Cu≤0.5wt%, Nb+Ta 0.5～4.0wt%, Ni >=69wt% and the impurity of surplus；Described welding deposition
Metal tensile strength Rm >=550Mpa at normal temperatures, yield strength Rp0.2>=410Mpa, elongation percentage A >=30%.
9. as according to any one of claim 1 to 7, it is used for the production of the nichrome steel nickel-base welding rod of military project pneumatic system
Method, it is characterised in that each component powder of described coating is uniformly mixed according to a ratio, add that weight is coating weight 20
～the binding agent of 28% continue mix homogeneously, it is subsequently sent to plodder and gained coating is wrapped on nichrome core wire,
Bakee and the prepared described nichrome steel nickel-base welding rod for military project pneumatic system of high temperature baking through low temperature after.
The most according to claim 9, be used for the production method of the nichrome steel nickel-base welding rod of military project pneumatic system, it is special
Levying and be, the temperature that described low temperature bakees is 80～100 DEG C, and the temperature that described high temperature bakees is 330～380 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425160A (en) * | 2016-11-25 | 2017-02-22 | 上海大西洋焊接材料有限责任公司 | Nickel base welding rod for welding UNSN10276 nickel base alloy and preparation method thereof |
| CN106984918A (en) * | 2017-05-15 | 2017-07-28 | 北京金威焊材有限公司 | The nickel-base welding rod ENiCrMo 3 of inverse proportion alkaline low-hydrogen type coating |
| CN108568614A (en) * | 2018-04-17 | 2018-09-25 | 南京工程学院 | A kind of rubescent cracking nickel base alloy covered electrode of anti-coating and preparation method thereof |
| CN109570824A (en) * | 2018-11-07 | 2019-04-05 | 四川大西洋焊接材料股份有限公司 | The pure austenite stainless steel-made welding rod of sulfuric acid corrosion resistant and preparation method of nickelic copper content low-heat crack sensitivity |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU986685A1 (en) * | 1981-07-21 | 1983-01-07 | Проектно-технологический институт "Энергомонтажпроект" | Electrode covering |
| CN102922167A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding electrode for welding nickel chromium iron alloy steel |
| CN102922169A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod for welding nickel, chrome and iron alloy steel |
| CN102922168A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod for welding nickel chromium iron alloy steel |
| CN105081613A (en) * | 2015-09-30 | 2015-11-25 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod used for ultralow-temperature steel and preparation method of nickel-based welding rod |
| CN105108379A (en) * | 2015-09-30 | 2015-12-02 | 四川大西洋焊接材料股份有限公司 | Welding electrode compatible with Ni9 steel and capable of being used in cryogenic environment and preparation method thereof |
-
2016
- 2016-08-24 CN CN201610720758.1A patent/CN106112312A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU986685A1 (en) * | 1981-07-21 | 1983-01-07 | Проектно-технологический институт "Энергомонтажпроект" | Electrode covering |
| CN102922167A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding electrode for welding nickel chromium iron alloy steel |
| CN102922169A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod for welding nickel, chrome and iron alloy steel |
| CN102922168A (en) * | 2012-10-30 | 2013-02-13 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod for welding nickel chromium iron alloy steel |
| CN105081613A (en) * | 2015-09-30 | 2015-11-25 | 四川大西洋焊接材料股份有限公司 | Nickel-based welding rod used for ultralow-temperature steel and preparation method of nickel-based welding rod |
| CN105108379A (en) * | 2015-09-30 | 2015-12-02 | 四川大西洋焊接材料股份有限公司 | Welding electrode compatible with Ni9 steel and capable of being used in cryogenic environment and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106425160A (en) * | 2016-11-25 | 2017-02-22 | 上海大西洋焊接材料有限责任公司 | Nickel base welding rod for welding UNSN10276 nickel base alloy and preparation method thereof |
| CN106425160B (en) * | 2016-11-25 | 2018-10-09 | 上海大西洋焊接材料有限责任公司 | A kind of nickel-base welding rod and preparation method thereof for welding UNS N10276 nickel-base alloys |
| CN106984918A (en) * | 2017-05-15 | 2017-07-28 | 北京金威焊材有限公司 | The nickel-base welding rod ENiCrMo 3 of inverse proportion alkaline low-hydrogen type coating |
| CN106984918B (en) * | 2017-05-15 | 2019-04-05 | 北京金威焊材有限公司 | The nickel-base welding rod ENiCrMo-3 of inverse proportion alkaline low-hydrogen type coating |
| CN108568614A (en) * | 2018-04-17 | 2018-09-25 | 南京工程学院 | A kind of rubescent cracking nickel base alloy covered electrode of anti-coating and preparation method thereof |
| CN109570824A (en) * | 2018-11-07 | 2019-04-05 | 四川大西洋焊接材料股份有限公司 | The pure austenite stainless steel-made welding rod of sulfuric acid corrosion resistant and preparation method of nickelic copper content low-heat crack sensitivity |
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