CN106624422A - 56kg-grade flux-cored wire suitable for stress relief treatment after welding - Google Patents

56kg-grade flux-cored wire suitable for stress relief treatment after welding Download PDF

Info

Publication number
CN106624422A
CN106624422A CN201611163807.2A CN201611163807A CN106624422A CN 106624422 A CN106624422 A CN 106624422A CN 201611163807 A CN201611163807 A CN 201611163807A CN 106624422 A CN106624422 A CN 106624422A
Authority
CN
China
Prior art keywords
welding
steel band
flux
cored wire
stress relief
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Withdrawn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
CN201611163807.2A
Other languages
Chinese (zh)
Inventor
蔡鸿祥
庄石城
叶桂林
周峙宏
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.)
KUNSHAN GINTUNE WELDING CO Ltd
Original Assignee
KUNSHAN GINTUNE WELDING 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 KUNSHAN GINTUNE WELDING CO Ltd filed Critical KUNSHAN GINTUNE WELDING CO Ltd
Priority to CN201611163807.2A priority Critical patent/CN106624422A/en
Publication of CN106624422A publication Critical patent/CN106624422A/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Withdrawn legal-status Critical Current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
    • B23K35/36—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 56kg-grade flux-cored wire suitable for stress relief treatment after welding. The flux-cored wire has the excellent anti-cracking property, weld metal shows excellent mechanical performance in both the welded state and the different stress relief annealed states including 580 DEG C for 1 hour and 620 DEG C for 1 hour, the wire can still obtain satisfactory impact toughness even at the low temperature of minus 60 DEG C, and the welding requirement of Q460 steel of jackets can be met.

Description

A kind of up to 56kg flux-cored wire suitable for doing stress relief treatment after welding
Technical field
The present invention relates to field of welding material, more particularly to a kind of 56 kilograms suitable for doing stress relief treatment after welding Level flux-cored wire.
Background technology
In recent years, as the exploitation of marine resources is expanded to deeper, colder marine site, the construction of ocean structure requires quality Higher and higher steel and welding material, these materials should be able to resist challenging marine environment.In these ocean knots In structure, the maximum work of jacket is sea water advanced for 450m, mainly adopt yield strength at present for 460MPa high strength steel.Lead The tubular leg of pipe support supports fixed production platform, and it is connected on many pipes at node (conventional T, Y, K joint) place Together.The characteristics of due to these nodes is that multidirectional sealing wire is assembled, therefore welding residual stress is easy in set of node, because And after welding, some differential annealings need to be done to discharge stress.Additionally, in view of deep cooling marine site and wave residing for jacket rushes Hit, it is desirable to excellent low-temperature impact toughness, to resist the danger of brittle fracture.And adopt traditional Q460 steel low temperature medicines Core welding wire is after stress relieving annealing, and impact flexibility is not satisfactory.
The content of the invention
To solve above-mentioned technical problem, the invention provides a kind of 56 kilograms suitable for doing stress relief treatment after welding Level flux-cored wire, its weld metal is opened up under as-welded and different stress relieving annealing state (580 DEG C × 1h and 620 DEG C × 1h) Show excellent mechanical performance, or even -60 DEG C of low temperature remains to obtain gratifying impact flexibility, disclosure satisfy that jacket The welding of Q460 steel.
The technical scheme is that：A kind of up to 56kg flux-cored wire suitable for doing stress relief treatment after welding, It is made up of welding agent and steel band, welding agent is wrapped in steel band, the welding agent accounts for the 10～20% of welding wire gross weight, the steel band is low P, S steel band；On the basis of steel band gross weight, by weight percentage, the component of low P, S steel band is as follows：
C：0.010～0.030%；
Si：0.01～0.03%；
Mn：0.10～0.30%；
Al：0.005～0.035%；
P：0.005～0.010%；
S：0.005～0.010%；
Fe：Surplus；
On the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：20～50%；
SiO2：1～10%；
ZrO2：0.5～5.0%；
Fluoride：0.1～3.0%；
Na2O：0.05～5.00%；
K2O：0.1～5.0%；
Al+Mg：1～8%；
C：0.01～0.20%；
Mn：10～18%；
Si：0.5～5.0%；
Ni：5～20%；
Ti：0.1～5.0%；
B：0.01～0.10%；
Fe：Surplus.
Preferably, on the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：25～45%；
SiO2：3～8%；
ZrO2：1～3%；
Fluoride：0.1～3.0%；
Na2O：0.05～3.00%；
K2O：0.5～5.0%；
Al+Mg：1～8%；
C：0.05～0.15%；
Mn：10～18%；
Si：1～3%；
Ni：8～12%；
Ti：0.1～5.0%；
B：0.01～0.10%；
Fe：Surplus.
Preferably, the up to 56kg flux-cored wire suitable for doing stress relief treatment after welding, with steel band gross weight On the basis of, by weight percentage, the component of low P, S steel band is as follows：
C：0.018～0.026%；
Si：0.020～0.028%；
Mn：0.19～0.27%；
Al：0.017～0.030%；
P：0.008～0.009%；
S：0.005～0.007%；
Fe：Surplus；
On the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：32.8～41.5%；
SiO2：3.1～5.3%；
ZrO2：1.2～2.3%；
Fluoride：0.8～1.9%；
Na2O：0.24～0.96%；
K2O：1.9～4.1%；
Al+Mg：2.7～4.8%；
C：0.08～0.12%；
Mn：12.8～16.3%；
Si：1.6～2.8%；
Ni：8.9～10.3%；
Ti：1.0～3.3%；
B：0.06%；
Fe：Surplus.
The fluoride at least includes NaF, CaF2、BaF2、Na3AlF6、K3AlF6、K2SiF6, one or more in LiF.
By weight percentage, the component of the deposited metal of the welding wire includes：C：0.032～0.039%；Mn：1.20 ～1.35%；Si：0.26～0.35%；P：0.007～0.009%；S：0.005～0.006%；Al：0.009～0.011%； Ni：1.45～1.59%；Ti：0.044～0.067%；B：0.0021～0.0030%.
The effect that welding agent each component is each played in flux-cored wire in the concrete analysis present invention is as follows：
Oxide is (including TiO2、SiO2、ZrO2、Na2O and K2O Main Function) is slag making, stabilising arc, beautifies weld seam, is improved The removability of slag.When oxide is very few, welding technological properties is poor, is difficult to form short slag, and opposition, transverse presentation put unfavorable, and oxide is excessive When, weld seam oxygen content is improved, and reduces low-temperature flexibility.
Fluoride is (including NaF, CaF2、BaF2、Na3AlF6、K3AlF6、K2SiF6, LiF etc.) primarily serve the purpose of slag making and Dehydrogenation, can also adjust in addition viscosity, improve the spreadability of slag, and when fluoride is very few, less, fluoride is excessive for dehydrogenation When, weld fumes amount is significantly increased, and electric arc is unstable, while fluoride also has certain shoddye ability.
The Main Function of aluminium and magnesium is deoxidation.
The Main Function of carbon is to provide appropriate mechanical property.
The Main Function of manganese is deoxidation, desulfurization and to transition alloy elements in weld seam.
The primary effect of silicon be by silicomanganese combined deoxidation, such deoxidation effect more preferably, while transition alloy elements.
The Main Function of nickel is the transition alloy elements in weld seam, and it is to improve the maximally effective element of toughness.
Micro Ti and the Main Function of B is the transition alloy elements in weld seam, by the compound refining crystalline substance of Ti and B Grain, so as to improve mechanical property.
The present invention adopts the steel band of low P, S, thus P, S content of deposited metal is controlled below 0.010%, is carried significantly High heat crack resistance；Dehydroepiandrosterone derivative is carried out by adding the fluoride of certain content in welding agent, thus the expansion of deposited metal Scattered hydrogen content can be controlled in 4ml/100g (mercury process) below, substantially increases crack resistance；By accurate design deposition gold Chemical composition ratio collocation (C-Si-Mn-1.5%Ni-Ti-B) of category, can make the weld seam under as-welded and stress relieving annealing state Metal can obtain very tiny microscopic structure, thus can obtain excellent and stable mechanical performance, or even -60 DEG C of low temperature Remain to obtain gratifying impact flexibility：Under as-welded, it is ensured that -40 DEG C of impact value >=130J, -60 DEG C of impact value >=100J； Under the annealed state of 580 DEG C × 1h, it is ensured that -40 DEG C of impact value >=80J, -60 DEG C of impact value >=65J；The annealed state of 620 DEG C × 1h Under, it is ensured that -40 DEG C of impact value >=100J, -60 DEG C of impact value >=80J.In addition under two states deposited metal strength grade The Q460 steel of jacket can be matched.
The invention has the beneficial effects as follows：Flux-cored wire of the present invention has excellent cracking resistance, and its weld metal is as-welded And present excellent mechanical performance, or even -60 under different stress relieving annealing states (580 DEG C × 1h and 620 DEG C × 1h) DEG C low temperature remain to obtain gratifying impact flexibility, meet the welding of jacket Q460 steel.
Specific embodiment
Technical scheme is further described with reference to specific embodiment, but the present invention is not limited to this A little embodiments.
The present invention is made up of steel band and welding agent, and welding agent is wrapped in steel band, using the steel band of low P, S, its steel band component (weight Amount percentage %) such as following table：
C Si Mn Al
0.010-0.030 0.01-0.03 0.10-0.30 0.005～0.035
P S Fe
0.005-0.010 0.005-0.010 Surplus
It is 10%～20% that welding agent accounts for the full part by weight of welding wire, its welding agent component (percentage by weight %) such as following table：
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
20-50 1-10 0.5-5.0 0.1-3.0 0.05-5.00 0.1-5.0 1-8
C Mn Si Ni Ti B Fe
0.01-0.20 10-18 0.5-5.0 5-20 0.1-5.0 0.01-0.10 Surplus
Preferably, more preferable welding agent component (percentage by weight %) such as following table：
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
25-45 3-8 1-3 0.1-3.0 0.05-3.00 0.5-5.0 1-8
C Mn Si Ni Ti B Fe
0.05-0.15 10-18 1-3 8-12 0.1-5.0 0.01-0.10 Surplus
It is furthermore preferred that the up to 56kg flux-cored wire suitable for doing stress relief treatment after welding, with steel band gross weight On the basis of amount, by weight percentage, the component of low P, S steel band is as follows：
C：0.018～0.026%；
Si：0.020～0.028%；
Mn：0.19～0.27%；
Al：0.017～0.030%；
P：0.008～0.009%；
S：0.005～0.007%；
Fe：Surplus；
On the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：32.8～41.5%；
SiO2：3.1～5.3%；
ZrO2：1.2～2.3%；
Fluoride：0.8～1.9%；
Na2O：0.24～0.96%；
K2O：1.9～4.1%；
Al+Mg：2.7～4.8%；
C：0.08～0.12%；
Mn：12.8～16.3%；
Si：1.6～2.8%；
Ni：8.9～10.3%；
Ti：1.0～3.3%；
B：0.06%；
Fe：Surplus.
Embodiment 1：
Using manufacturing process general in welding wire production industry, crust is made by the steel band component of table 1-1, according to table 1-2 Welding agent formula prepared and welding agent be wrapped in steel band (overlap)：
Table 1-1：Steel band component (%)
C Si Mn Al P S Fe
0.018 0.028 0.27 0.017 0.008 0.005 Surplus
Table 1-2：Welding agent fills a prescription (%)
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
32.8 5.3 1.2 0.8 0.96 4.1 2.7
C Mn Si Ni Ti B Fe
0.08 12.8 1.6 8.9 3.3 0.06 Surplus
The chemical composition of its deposited metal is shown in Table 1-3, as-welded and different (580 DEG C × 1h and 620 DEG C of stress relieving annealing states × 1h) under the mechanical property of deposited metal and the diffusible hydrogen content (mercury process) of deposited metal be shown in Table 1-4：
Table 1-3：The chemical composition (%) of deposited metal
C Mn Si P S Al Ni Ti B
0.032 1.20 0.26 0.007 0.005 0.011 1.45 0.044 0.0021
Table 1-4：The mechanical property and diffusible hydrogen of deposited metal
Embodiment 2：
Using welding wire manufacture method same as Example 1, by the steel band component of table 2-1 and the welding agent of table 2-2 fill a prescription into Row is prepared：
Table 2-1：Steel band component (%)
C Si Mn Al P S Fe
0.020 0.026 0.25 0.020 0.008 0.005 Surplus
Table 2-2：Welding agent fills a prescription (%)
The chemical composition of its deposited metal is shown in Table 2-3, as-welded and different (580 DEG C × 1h and 620 DEG C of stress relieving annealing states × 1h) under the mechanical property of deposited metal and the diffusible hydrogen content (mercury process) of deposited metal be shown in Table 2-4：
Table 2-3：The chemical composition (%) of deposited metal
C Mn Si P S Al Ni Ti B
0.033 1.23 0.27 0.008 0.006 0.010 1.52 0.052 0.0022
Table 2-4：The mechanical property and diffusible hydrogen of deposited metal
Embodiment 3：
Using welding wire manufacture method same as Example 1, by the steel band component of table 3-1 and the welding agent of table 3-2 fill a prescription into Row is prepared：
Table 3-1：Steel band component (%)
C Si Mn Al P S Fe
0.022 0.024 0.23 0.022 0.009 0.006 Surplus
Table 3-2：Welding agent fills a prescription (%)
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
37.3 4.2 1.9 1.5 0.54 2.8 3.6
C Mn Si Ni Ti B Fe
0.10 14.6 2.4 9.6 2.3 0.06 Surplus
The chemical composition of its deposited metal is shown in Table 3-3, as-welded and different (580 DEG C × 1h and 620 DEG C of stress relieving annealing states × 1h) under the mechanical property of deposited metal and the diffusible hydrogen content (mercury process) of deposited metal be shown in Table 3-4：
Table 3-3：The chemical composition (%) of deposited metal
C Mn Si P S Al Ni Ti B
0.035 1.25 0.30 0.008 0.005 0.009 1.55 0.060 0.0025
Table 3-4：The mechanical property and diffusible hydrogen of deposited metal
Embodiment 4：
Using welding wire manufacture method same as Example 1, by the steel band component of table 4-1 and the welding agent of table 4-2 fill a prescription into Row is prepared：
Table 4-1：Steel band component (%)
C Si Mn Al P S Fe
0.024 0.022 0.21 0.025 0.009 0.007 Surplus
Table 4-2：Welding agent fills a prescription (%)
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
39.5 3.7 1.7 1.7 0.32 2.3 4.2
C Mn Si Ni Ti B Fe
0.11 15.2 2.6 9.9 1.7 0.06 Surplus
The chemical composition of its deposited metal is shown in Table 4-3, as-welded and different (580 DEG C × 1h and 620 DEG C of stress relieving annealing states × 1h) under the mechanical property of deposited metal and the diffusible hydrogen content (mercury process) of deposited metal be shown in Table 4-4：
Table 4-3：The chemical composition (%) of deposited metal
Table 4-4：The mechanical property and diffusible hydrogen of deposited metal
Embodiment 5：
Using welding wire manufacture method same as Example 1, by the steel band component of table 5-1 and the welding agent of table 5-2 fill a prescription into Row is prepared：
Table 5-1：Steel band component (%)
C Si Mn Al P S Fe
0.026 0.020 0.19 0.030 0.009 0.007 Surplus
Table 5-2：Welding agent fills a prescription (%)
TiO2 SiO2 ZrO2 Fluoride Na2O K2O Al+Mg
41.5 3.1 1.5 1.9 0.24 1.9 4.8
C Mn Si Ni Ti B Fe
0.12 16.3 2.8 10.3 1.0 0.06 Surplus
The chemical composition of deposited metal is shown in Table 5-3, as-welded and different stress relieving annealing states (580 DEG C × 1h and 620 DEG C × The diffusible hydrogen content (mercury process) of the mechanical property of deposited metal and deposited metal is shown in Table 5-4 under 1h)：
Table 5-3：The chemical composition (%) of deposited metal
C Mn Si P S Al Ni Ti B
0.039 1.35 0.35 0.009 0.007 0.010 1.59 0.067 0.0028
Table 5-4：The mechanical property and diffusible hydrogen of deposited metal
Above-mentioned experiment is visible, and the diffusible hydrogen content of flux-cored wire deposited metal of the present invention is in below 4ml/100g (mercurys Method), the mechanical performance of deposited metal is excellent under as-welded and different stress relieving annealing state (580 DEG C × 1h and 620 DEG C × 1h) And stablize, or even -60 DEG C of low temperature remains to obtain gratifying impact flexibility.
The above is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, Without departing from the concept of the premise of the invention, some deformations and improvement can also be made, these belong to the guarantor of the present invention Shield scope.

Claims (4)

1. a kind of up to 56kg flux-cored wire suitable for doing stress relief treatment after welding, is made up of, welding agent welding agent and steel band It is wrapped in steel band, it is characterised in that the welding agent accounts for the 10～20% of welding wire gross weight, the steel band is low P, S steel band；With On the basis of steel band gross weight, by weight percentage, the component of low P, S steel band is as follows：
C：0.010～0.030%；
Si：0.01～0.03%；
Mn：0.10～0.30%；
Al：0.005～0.035%；
P：0.005～0.010%；
S：0.005～0.010%；
Fe：Surplus；
On the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：20～50%；
SiO2：1～10%；
ZrO2：0.5～5.0%；
Fluoride：0.1～3.0%；
Na2O：0.05～5.00%；
K2O：0.1～5.0%；
Al+Mg：1～8%；
C：0.01～0.20%；
Mn：10～18%；
Si：0.5～5.0%；
Ni：5～20%；
Ti：0.1～5.0%；
B：0.01～0.10%；
Fe：Surplus.
2. the up to 56kg flux-cored wire suitable for doing stress relief treatment after welding according to claim 1, its feature It is that on the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：25～45%；
SiO2：3～8%；
ZrO2：1～3%；
Fluoride：0.1～3.0%；
Na2O：0.05～3.00%；
K2O：0.5～5.0%；
Al+Mg：1～8%；
C：0.05～0.15%；
Mn：10～18%；
Si：1～3%；
Ni：8～12%；
Ti：0.1～5.0%；
B：0.01～0.10%；
Fe：Surplus.
3. the up to 56kg flux-cored wire suitable for doing stress relief treatment after welding according to claim 1, its feature It is that on the basis of steel band gross weight, by weight percentage, the component of low P, S steel band is as follows：
C：0.018～0.026%；
Si：0.020～0.028%；
Mn：0.19～0.27%；
Al：0.017～0.030%；
P：0.008～0.009%；
S：0.005～0.007%；
Fe：Surplus；
On the basis of welding agent gross weight, by weight percentage, the component of the welding agent is as follows：
TiO2：32.8～41.5%；
SiO2：3.1～5.3%；
ZrO2：1.2～2.3%；
Fluoride：0.8～1.9%；
Na2O：0.24～0.96%；
K2O：1.9～4.1%；
Al+Mg：2.7～4.8%；
C：0.08～0.12%；
Mn：12.8～16.3%；
Si：1.6～2.8%；
Ni：8.9～10.3%；
Ti：1.0～3.3%；
B：0.06%；
Fe：Surplus.
4. according to the arbitrary described up to 56kg flux-cored wire suitable for doing stress relief treatment after welding of claims 1 to 3, Characterized in that, by weight percentage, the component of the deposited metal of the welding wire includes：C：0.032～0.039%；Mn： 1.20～1.35%；Si：0.26～0.35%；P：0.007～0.009%；S：0.005～0.006%；Al：0.009～ 0.011%；Ni：1.45～1.59%；Ti：0.044～0.067%；B：0.0021～0.0030%.
CN201611163807.2A 2016-12-15 2016-12-15 56kg-grade flux-cored wire suitable for stress relief treatment after welding Withdrawn CN106624422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611163807.2A CN106624422A (en) 2016-12-15 2016-12-15 56kg-grade flux-cored wire suitable for stress relief treatment after welding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611163807.2A CN106624422A (en) 2016-12-15 2016-12-15 56kg-grade flux-cored wire suitable for stress relief treatment after welding

Publications (1)

Publication Number Publication Date
CN106624422A true CN106624422A (en) 2017-05-10

Family

ID=58823593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611163807.2A Withdrawn CN106624422A (en) 2016-12-15 2016-12-15 56kg-grade flux-cored wire suitable for stress relief treatment after welding

Country Status (1)

Country Link
CN (1) CN106624422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108907493A (en) * 2018-08-03 2018-11-30 济南法瑞钠焊接器材股份有限公司 The dedicated flux-cored wire of rubber and plastics machine banburying chamber

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239429A (en) * 2007-02-05 2008-08-13 天津市三英焊业有限责任公司 Low dust high crack-resistance flux-cored wire all position flux-cored wire and preparation thereof
CN101722388A (en) * 2008-10-11 2010-06-09 株式会社神户制钢所 Low-hydrogen coated electric arc welding bar
CN103949796A (en) * 2014-05-05 2014-07-30 常州新德焊材科技有限公司 Austenitic stainless steel flux-cored wire having no oxidation tint on surface of welding joint
CN104400250A (en) * 2014-10-13 2015-03-11 武汉铁锚焊接材料股份有限公司 Low-temperature steel flux-cored wire
CN104959748A (en) * 2015-07-02 2015-10-07 武汉铁锚焊接材料股份有限公司 Flux-cored wire special for maritime work low-temperature high-strength steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101239429A (en) * 2007-02-05 2008-08-13 天津市三英焊业有限责任公司 Low dust high crack-resistance flux-cored wire all position flux-cored wire and preparation thereof
CN101722388A (en) * 2008-10-11 2010-06-09 株式会社神户制钢所 Low-hydrogen coated electric arc welding bar
CN103949796A (en) * 2014-05-05 2014-07-30 常州新德焊材科技有限公司 Austenitic stainless steel flux-cored wire having no oxidation tint on surface of welding joint
CN104400250A (en) * 2014-10-13 2015-03-11 武汉铁锚焊接材料股份有限公司 Low-temperature steel flux-cored wire
CN104959748A (en) * 2015-07-02 2015-10-07 武汉铁锚焊接材料股份有限公司 Flux-cored wire special for maritime work low-temperature high-strength steel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108907493A (en) * 2018-08-03 2018-11-30 济南法瑞钠焊接器材股份有限公司 The dedicated flux-cored wire of rubber and plastics machine banburying chamber

Similar Documents

Publication Publication Date Title
CN105269174B (en) A kind of ocean engineering 460MPa grades of flux-cored wires and its application
JP5792050B2 (en) Submerged arc welding method for low temperature steel
CN104308391B (en) A kind of corrosion-resisting steel flux-cored wire
JP5138242B2 (en) Flux-cored wire for duplex stainless steel welding
JP6377591B2 (en) Metal flux cored wire for Ar-CO2 mixed gas shielded arc welding
JP6599781B2 (en) Flux-cored wire for duplex stainless steel welding
CN107921589A (en) Flux-cored wire for gas-shielded arc welding
JP2016147273A (en) FLUX-CORED WIRE FOR 9% Ni STEEL WELDING
JP2018008293A (en) Submerged arc welding method
JP6786472B2 (en) Flux-cored wire for duplex stainless steel welding
CN108436322B (en) High-strength high-toughness iron powder type flux-cored wire for bridge steel and application thereof
JP4876350B2 (en) Manufacturing method of high strength steel pipe joint for oil well
JP5558406B2 (en) Flux-cored wire for carbon dioxide shielded arc welding
JP2015139807A (en) stainless steel welding flux cored wire
CN111761254B (en) Seamless flux-cored wire for welding ocean engineering high-strength steel
JP6438371B2 (en) Flux-cored wire for gas shielded arc welding
CN106624422A (en) 56kg-grade flux-cored wire suitable for stress relief treatment after welding
JP5726017B2 (en) Bond flux and welding method for submerged arc welding
CN106425161A (en) 50 kilogram-grade flux-cored wire for relieving stress after welding
JP4774588B2 (en) Manufacturing method of high strength oil well steel pipe joint with excellent corrosion resistance and high strength oil well steel pipe joint
JP6832830B2 (en) Flux-filled wire for submerged arc welding and materials for submerged arc welding
JPS581044A (en) High strength alloy having superior stress corrosion cracking resistance for oil well pipe
JP2011206828A (en) Flux-cored welding wire for fine diameter wire multiple electrode submerged arc welding
CN106392362A (en) Ultra-low-hydrogen type acidic flux-cored wire
JP6515324B2 (en) Submerged arc welding metal of high strength UOE steel pipe excellent in SR resistance characteristics

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

Application publication date: 20170510

WW01 Invention patent application withdrawn after publication