CN106563895A - High-performance and high-temperature-resistant nickel-based special welding wire - Google Patents

High-performance and high-temperature-resistant nickel-based special welding wire Download PDF

Info

Publication number
CN106563895A
CN106563895A CN201510654441.8A CN201510654441A CN106563895A CN 106563895 A CN106563895 A CN 106563895A CN 201510654441 A CN201510654441 A CN 201510654441A CN 106563895 A CN106563895 A CN 106563895A
Authority
CN
China
Prior art keywords
welding wire
welding
flux
performance
powder
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.)
Withdrawn
Application number
CN201510654441.8A
Other languages
Chinese (zh)
Inventor
蒋红军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DANYANG HUALONG SUPERIOR STEEL Co Ltd
Original Assignee
DANYANG HUALONG SUPERIOR STEEL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DANYANG HUALONG SUPERIOR STEEL Co Ltd filed Critical DANYANG HUALONG SUPERIOR STEEL Co Ltd
Priority to CN201510654441.8A priority Critical patent/CN106563895A/en
Publication of CN106563895A publication Critical patent/CN106563895A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261—Rods, electrodes, wires
    • B23K35/0266—Rods, electrodes, wires flux-cored
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/3066—Fe as the principal constituent with Ni as next major constituent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nonmetallic Welding Materials (AREA)

Abstract

The invention discloses a high-performance and high-temperature-resistant nickel-based special welding wire. The content of Ni in the welding wire is 60wt%-71wt%; the welding wire is prepared from flux core chemical components in percentage by weight as follows: 5.0%-9.0% of sintering powder, 0.21%-0.7% of Fe3O4, 0.15%-1.0% of TiO2, 0.15%-0.5% of Al, 0-0.4% of Ti, 0.1%-0.5% of Si, 2.0%-3.5% of Mn, 0-0.4% of Mo , 0.5%-1.1% of Ni, 0.1%-0.4% of Cr, 0-0.3% of Cu and 1.10%-2.0% of Fe; and the combination of the flux core chemical components accounts for 13.0%-15.5% of the weight of the welding wire. With the flux-cored welding wire produced from flux core powder prepared and processed according to the formula, welding can be performed under the gas protection, and the wire meets application requirements of ship and ocean engineering.

Description

A kind of Ni-based extraordinary welding wire of high-performance high temperature resistant
Technical field
The present invention relates to a kind of Nickel-welding Material, is especially to be related to the supporting CO of Naval Architecture and Ocean Engineering steel alloy2Gas Protect Ni-based flux-cored wire.
Background technology
The occasion of Naval Architecture and Ocean Engineering application Ni-Cr alloy steel is more, and its natural immersion current potential in the seawater is compared with C-Mn alloys The B levels hull steel of system is high, such as continues using the CO of C-Mn alloy systems2Gas shielded flux cored wire is welded, weld metal electricity Position is low compared with Ni-Cr alloy, and its result is to form the corrosion galvanic couple that mother metal is big negative electrode, weld seam is primary anode in the seawater, certainly will Accelerate the corrosion of weld seam.In consideration of it, needing natural immersion current potential and Ni-Cr alloy steel in the weld seam sea water that flux-cored wire formed Matching.On the other hand, when such flux-cored wire welds the B level hull steels of C-Mn alloy systems, due to the weld seam that formed Current potential is higher than mother metal, its result be in the seawater formed mother metal be big anode, the joint that weld seam is little negative electrode, become equal in mother metal In the case of even corrosion, the favourable situation that weld seam is protected.
The content of the invention
It is an object of the invention to provide corrosive nature supporting CO for Naval Architecture and Ocean Engineering application Ni-Cr alloy steel2Gas is protected Shield welding Ni-based flux-cored wire and preparation method thereof.
The Ni-based flux-cored wire that the medicated core powder that formula according to the present invention is prepared and processed makes, can be in CO2Gas shielded Under the conditions of weld, and meet the following technical requirements of Naval Architecture and Ocean Engineering application Ni-Cr alloy welding：
1. deposited metal composition (wt%)
C Mn Si S P Cr Ni Cu
≤0.06 ≥0.80 ≤0.50 ≤0.025 ≤0.025 ≥0.20 ≥0.80 0～0.5
2. deposited metal sea water natural immersion current potential：>=-710mV (with respect to calomel electrode)；
3. deposited metal mechanical property：Meet the Naval Architecture and Ocean Engineering application Ni-Cr alloy steel supporting technology of respective intensities rank Require.
Such as in the case where the 3y levels of CCS (CCS) are required, deposited metal mechanical performance index is as follows：
Yield strength Rel, MPa Tensile strength Rm, MPa A, % Akv, J (- 20 DEG C)
≥400 ≥480 ≥22 ≥47
According to considerations above, the present invention provides a kind of Naval Architecture and Ocean Engineering steel alloy supporting CO2The Ni-based medicated core weldering of gas shield Silk, wherein：
1) medicated core slag system adopts titanium-fluoro- aluminum reaction in-situ slag system, the medicated core chemical composition (accounting for welding wire weight %) of the welding wire to include：
Agglomerated powder：4.5～9.0,
Fe3O4：0.21～0.7,
TiO2：0.15～1.0,
Al：0.15～0.5,
Ti：0～0.4,
Si：0.1～0.5,
Mn：2.0～3.5,
Mo：0～0.4,
Ni：0.5～1.1,
Cr：0.1～0.4,
Cu：0～0.3,
Fe：1.0～2.0,
The combination of each medicated core chemical composition above accounts for welding wire weight：13.0～15.5%, the Ni contents in the welding wire are 60-71wt%.
Wherein, agglomerated powder is prepared and processed by following material：
1. agglomerated powder constitutes (weight, %)
TiO2：30～80, SiO2：8～15, MgO：1～7, fluoride MgF2The combination of+NaF is (in the composition, MgF2≤ 40%)：1～7, ZrO2：1～7, Al2O3：2～10, K2O+Na2Combination (in the composition, the K of O2O≤40wt%)： 0～5.
2. the preparation of agglomerated powder：Match somebody with somebody by above-mentioned formula and fully puddled after powder, then 900 DEG C of high temperature eliminating waters of Jing, sintering；Will sintering Compound afterwards is crushed to standby after certain granules degree.
2) Al in slag of the above-mentioned medicated core formed in welding process2O3More than the 50% of composition weight is from medicated core formula institute The Al and Fe of arrangement3O4And CO2Deng the reaction in-situ product of oxidant.
In above-mentioned medicated core powder (containing agglomerated powder) constituent, the Main Function of each component is as follows：
(1) Main Function of Ni, Cr, Cu is to improve natural immersion current potential in weld seam sea water.
(2) Al and Fe3O4Deng reaction, thus bringing addition reaction heat to improve arc performance and product improves the physics of slag Performance etc. (one of titanium-fluoro- aluminum reaction in-situ slag system feature).
(3)TiO2Play slag making and stabilising arc etc..
(4)K2O、Na2O acts primarily as effect of stabilising arc etc..
(5) Main Function of fluoride is anti-gas porosity of raising welding wire etc..
(6)K2O、Na2O and fluoride also play agglutinant.
(7) MgO maintains the certain basicity of slag together with fluoride, so that weld metal obtains enough toughness.
(8)SiO2、Al2O3、ZrO2Deng effect be slag making and the performance for improving slag is acted on etc..
(9) Main Function of Ti, Si, Mn is deoxidation and alloying weld metal, and the Main Function of Mo (also Ni) is Reinforcing and toughening weld metal etc..
What flux-cored wire of the present invention reached has the technical effect that：The deposited metal mechanical property of the flux-cored wire produced by above-mentioned technology Technical requirement (CO can be reached2Gas shield)：
The nickel-base alloy bare welding filler metal of the present invention has the gas of resistance to activity, resistance to caustic medium, the formedness of reducing resistance acid medium corrosion Can, and high with intensity, plasticity is good, can cold and hot deformation and machine-shaping and solderable, solve general rustless steel and other metals, The insurmountable engineering etching problem of nonmetallic materials, is a kind of very important corrosion-resistant metal materials.Nickel-base alloy refer to Nickel is base and to contain alloying element, and can in some media resistant to elevated temperatures alloy.
Specific embodiment
Embodiment：
The chemical composition of flux for flux-cored wire powder of the invention and processing technology requirement, three batches of flux-cored wires of making, three batches The steel band and the composition of medicated core powder that welding wire is adopted is as shown in table 1.The mother metal and welding process parameter of three batches of welding wire institutes welding is such as Shown in table 2.Mechanics Performance Testing and sea water natural immersion potential measurement have been carried out to the deposited metal of gained after welding, knot has been tested Fruit is as shown in table 3.
The embodiment of table 1 --- Ni-based flux-cored wire steel band composition and medicated core composition (weight, %)
The embodiment of table 2 --- Ni-based flux-cored wire welding mother metal and welding condition
The embodiment of table 3 --- Ni-based flux-cored wire deposited metal performance
Note：Charpy-V impact power is the meansigma methodss of five samples.
The flux-cored wire that the medicated core powder that the formula of the various embodiments described above is prepared and processed makes, can be in CO2The condition of gas shielded Lower welding, and meet the following technical requirements of Naval Architecture and Ocean Engineering application Ni-Cr alloy welding：
1. deposited metal composition (wt%)
C Mn Si S P Cr Ni Cu
≤0.06 ≥0.80 ≤0.50 ≤0.025 ≤0.025 ≥0.20 ≥0.80 0～0.5
2. deposited metal sea water natural immersion current potential：>=-710mV (with respect to calomel electrode)；
3. deposited metal mechanical property：Meet the Naval Architecture and Ocean Engineering application Ni-Cr alloy steel supporting technology of respective intensities rank Require.
Such as in the case where the 3y levels of CCS (CCS) are required, deposited metal mechanical performance index is as follows：
Rel, MPa Rm, MPa A, % Akv, J (- 20 DEG C)
≥400 ≥480 ≥22 ≥47

Claims (4)

1. a kind of nickel-based welding wire, the welding wire is flux-cored wire, it is characterised in that the Ni contents in the welding wire are 60-71 wt%, the medicated core chemical composition of welding wire（Account for the wt% of welding wire）Including：
Agglomerated powder：5.0 ~ 9.0,
Fe3O4：0.21 ~ 0.7,
TiO2：0.15 ~ 1.0,
Al：0.15 ~ 0.5,
Ti：0 ~ 0.4,
Si：0.1 ~ 0.5,
Mn：2.0 ~ 3.5,
Mo：0 ~ 0.4,
Ni：0.5 ~ 1.1,
Cr：0.1 ~ 0.4,
Cu：0 ~ 0.3,
Fe：1.10~2.0.
2. welding wire according to claim 1, it is characterised in that the combination of described each medicated core chemical composition accounts for welding wire weight：13.0~15.5%.
3. welding wire according to claim 1, it is characterised in that the agglomerated powder includes following component（wt%）：
TiO2：30 ~ 80,
SiO2：8 ~ 15,
MgO：1 ~ 7,
MgF2+NaF：1 ~ 7,
ZrO2：1 ~ 7,
Al2O3：2 ~ 10,
K2O+Na2O：0~5.
4. the preparation method of welding wire according to claim 1, it is characterised in that including the preparation method of the agglomerated powder：Match somebody with somebody by above-mentioned formula and fully puddled after powder, then 905 DEG C of high temperature eliminating waters of Jing, sintering；Compound after sintering is crushed to standby after certain granules degree.
CN201510654441.8A 2015-10-10 2015-10-10 High-performance and high-temperature-resistant nickel-based special welding wire Withdrawn CN106563895A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510654441.8A CN106563895A (en) 2015-10-10 2015-10-10 High-performance and high-temperature-resistant nickel-based special welding wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510654441.8A CN106563895A (en) 2015-10-10 2015-10-10 High-performance and high-temperature-resistant nickel-based special welding wire

Publications (1)

Publication Number Publication Date
CN106563895A true CN106563895A (en) 2017-04-19

Family

ID=58506266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510654441.8A Withdrawn CN106563895A (en) 2015-10-10 2015-10-10 High-performance and high-temperature-resistant nickel-based special welding wire

Country Status (1)

Country Link
CN (1) CN106563895A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115121990A (en) * 2022-07-20 2022-09-30 陕西化建工程有限责任公司 Nickel-saving welding wire for Incoloy825 and preparation method and welding method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115121990A (en) * 2022-07-20 2022-09-30 陕西化建工程有限责任公司 Nickel-saving welding wire for Incoloy825 and preparation method and welding method thereof
CN115121990B (en) * 2022-07-20 2024-03-19 陕西化建工程有限责任公司 Nickel-saving welding wire for Incoloy825 and preparation method and welding method thereof

Similar Documents

Publication Publication Date Title
JP5977998B2 (en) Ni-base alloy weld metal, strip electrode, and welding method
CN104259690B (en) A kind of stainless heat-resistance type self-protection flux-cored wire for magnesium smelting reduction pot
EP2552639B1 (en) Nickel-based alloy, welding consumable formed from the said alloy and use of the consumable in a welding process.
CN102181857B (en) Method for preparing seawater corrosion resistant cladding layer on steel matrix
CN102189352B (en) P92 steel submerged arc welding wire
JP2006315080A (en) Austenitic stainless steel welding structure having excellent low temperature toughness and seawater corrosion resistance
CA2781851C (en) Alloy, overlay, and methods thereof
CN104511700A (en) Nickel base alloy welding wire and preparation method thereof
JP4173076B2 (en) Ni-based alloy flux cored wire
JP4699164B2 (en) Non-consumable electrode welding wire for austenitic stainless steel welding with excellent low temperature toughness and seawater corrosion resistance
JP4699161B2 (en) Austenitic stainless steel welding wire with excellent low temperature toughness and seawater corrosion resistance
CN114260615A (en) Welding wire for welding T91-TP304H dissimilar materials and preparation method thereof
CN106563895A (en) High-performance and high-temperature-resistant nickel-based special welding wire
CN106563891A (en) High-performance nickel base special welding wire
JPH08174270A (en) Coated arc electrode for ni-based high-cr alloy
WO2016081940A1 (en) Ni-Cr-Mo-Ta-Nb WELDING FILLER METALS, WELDING FILLER METAL CONSUMABLES, WELD DEPOSITS, METHODS OF MAKING WELD DEPOSITS, AND WELDMENTS THEREOF
CN106563890A (en) Low-cost high-performance nickel based special welding wire
CN104858567A (en) Metal cored welding wire for welding of automobile exhaust pipe
CN106271196A (en) A kind of Naval Architecture and Ocean Engineering steel alloy supporting welding CO2gas-shielded flux-cored wire
JP3854554B2 (en) Submerged arc welding method for austenitic stainless steel with excellent resistance to sulfuric acid corrosion and pitting corrosion
JP2021049583A (en) High chromium creep resistant weld metal for arc welding of thick walled steel members
JP3170166B2 (en) Filler for Ni-base high Cr alloy
SAIDA et al. Hot cracking susceptibility of commercial alloy 52 filler metals in multipass welding of alloy 690
CN106392379A (en) Austenite Nb/Ti-containing stainless steel submerged-arc welding flux
CN106514059A (en) Preparation method of welding wire for shipping and ocean engineering alloy steel supporting welding

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20170419