CN103659044B - T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire - Google Patents

T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire Download PDF

Info

Publication number
CN103659044B
CN103659044B CN201210336141.1A CN201210336141A CN103659044B CN 103659044 B CN103659044 B CN 103659044B CN 201210336141 A CN201210336141 A CN 201210336141A CN 103659044 B CN103659044 B CN 103659044B
Authority
CN
China
Prior art keywords
welding
welding wire
wire
real core
series connection
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.)
Active
Application number
CN201210336141.1A
Other languages
Chinese (zh)
Other versions
CN103659044A (en
Inventor
蔡鸿祥
庄石城
叶桂林
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 CN201210336141.1A priority Critical patent/CN103659044B/en
Publication of CN103659044A publication Critical patent/CN103659044A/en
Application granted granted Critical
Publication of CN103659044B publication Critical patent/CN103659044B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—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
    • 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
    • B23K35/3073—Fe as the principal constituent with Mn 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
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas

Abstract

The invention discloses a kind of T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire, comprises the real core pattern welding wire of backward electrode and the rear row pole welding agent type welding wire of series connection; Rear row pole welding agent type welding wire is by steel-tape sheath and welding agent powder constituent, and welding agent powder weight accounts for 10 ~ 30% of rear row pole welding agent type welding wire gross weight.In this combination welding wire, the diffusible hydrogen content of the real core pattern welding wire of backward electrode own is extremely low, and crack resistance is good; Nitrogen in weld seam, oxygen content are lower, and postwelding face of weld is without slag, and the minute quantity gas produced during welding can directly be overflowed, and not easily produces pore; Rear row pole welding agent type welding wire can make electric arc more stable, and the diffusible hydrogen content of deposited metal is at below 5ml/100g;? the CO of priming paint burning release can be reduced when aluminium and magnesium welding, and titanium and boron can significantly improve impact value, and excellent resistance to paint when combination welding wire of the present invention welds under the speed of welding and 30-40 μm of high thickness of 2.0m/min, can be obtained.<!--1-->

Description

T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire
Technical field
The present invention relates to a kind of carbon dioxide gas arc welding welding wire, particularly relate to a kind of T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire, is applicable to scribble in the fillet welding of antirust paint welded unit, belongs to welding material of metal field.
Background technology
In the technique of welded unit fillet-welded joint, the flux-cored wire that adopts carries out semiautomatic welding, car-type automatic welding and intelligent welding more in recent years.If soldered steel plate scribbles antirust paint, then under the effect of arc heat, anti-corrosive primer can resolve into hydrogen, carbon monoxide and metallic vapour, thus easily produces pore in welding position.Current most of shipbuilding producer all adopts bipolar car-type automatic welding, use backward electrode welding wire and rear row pole welding wire in welding wire to be the welding agent type flux-cored wire of resistance to priming paint, this welding wire all can obtain excellent resistance to gas porosity under being combined in the speed of welding that is less than 1.2m/min and being less than the thickness of 25 μm.But in pursuit high efficiency and the high-quality world today, user wishes can under the condition of higher speed of welding and thicker priming paint, and can obtain excellent resistance to gas porosity equally, then aforementioned welding agent type flux-cored wire then can not meet above-mentioned requirements.
Summary of the invention
In order to overcome above-mentioned technological deficiency, the invention provides a kind of T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire, still can obtain excellent resistance to gas porosity when this combination welding wire can weld under the high thickness condition of the speed of welding of 2.0m/min and 30 ~ 40 μm.
The present invention in order to solve the problems of the technologies described above adopted technical scheme is:
A kind of T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire, comprises the real core pattern welding wire of backward electrode and the rear row pole welding agent type welding wire of series connection;
In the real core heart yearn total weight percent of the real core pattern welding wire of backward electrode, composition and the percentage by weight of the real core heart yearn of the real core pattern welding wire of described backward electrode are: C0.01 ~ 0.20%, Si0.01 ~ 2.00%, Mn0.01 ~ 2.00%, P0.001 ~ 0.020%, S0.001 ~ 0.020%, Ti0.01 ~ 0.50%, B0.001 ~ 0.080% and surplus Fe;
Described rear row pole welding agent type welding wire is by steel-tape sheath and welding agent powder constituent, and described welding agent powder wrapped is in described steel-tape sheath, and described welding agent powder weight accounts for 10 ~ 30% of rear row pole welding agent type welding wire gross weight;
In steel-tape sheath total weight percent, the composition of described steel-tape sheath and percentage by weight are: C0.001 ~ 0.030%, Si0.001 ~ 0.030%, Mn0.01 ~ 0.30%, Al0.001 ~ 0.030%, P0.001 ~ 0.020%, S0.001 ~ 0.020% and surplus Fe;
In welding agent powder total weight percent, composition and the percentage by weight of described welding agent powder are: TiO 210 ~ 30%, SiO 21 ~ 10%, ZrO 20.1 ~ 5.0%, Na 2o0.1 ~ 5.0%, K 2o0.1 ~ 5.0%, Al+Mg1 ~ 8%, Mn8 ~ 20%, Si0.5 ~ 5.0%, Ti0.1 ~ 5.0%, B0.01 ~ 0.10% and surplus Fe.
Further technical scheme is:
In the real core heart yearn total weight percent of the real core pattern welding wire of backward electrode, composition and the percentage by weight of the real core heart yearn of the real core pattern welding wire of described backward electrode are: C0.01 ~ 0.20%, Si0.01 ~ 1.15%, Mn0.01 ~ 1.85%, P0.001 ~ 0.020%, S0.001 ~ 0.020%, Ti0.01 ~ 0.30%, B0.001 ~ 0.080% and surplus Fe;
The welding agent powder total weight percent meter of later row pole welding agent type welding wire, composition and the percentage by weight of described welding agent powder are: TiO 215 ~ 30%, SiO 21 ~ 5%, ZrO 20.1 ~ 2.0%, Na 2o0.1 ~ 1.0%, K 2o0.1 ~ 2.0%, Al+Mg1 ~ 5%, Mn8 ~ 20%, Si0.5 ~ 5.0%, Ti0.1 ~ 3.0%, B0.01 ~ 0.10% and surplus Fe.
In the real core heart yearn of the real core pattern welding wire of backward electrode described in the present invention, the Main Function of each component is as described below:
The Main Function of carbon is to provide suitable mechanical property.When carbon content is too low, intensity is not enough; When carbon content is too high, intensity is too high, and impact value is not good.
The Main Function of manganese is deoxidation, desulfurization and to transition alloy elements in weld seam.When Fe content is too low, then easily produce pore, intensity is not enough, and when Fe content is too high, intensity is too high, and impact value is not good, and welding bead narrows.
The Main Function of silicon is by silicomanganese combined deoxidation, and such deoxidation effect is better, simultaneously transition alloy elements.When silicone content is too low, then easily produce pore, intensity is not enough, and welding bead is narrow; When silicone content is too high, intensity is too high, and impact value is not good, and molten bath is too rare, shaping bad.
The Main Function of titanium and boron makes tissue obtain more a high proportion of acicular ferrite, improves impact flexibility by composite refining crystal grain.
In the welding agent powder of the welding agent type welding wire of rear row pole described in the present invention, the Main Function of each component is as described below:
Oxide (comprises TiO 2, SiO 2, ZrO 2, Na 2o and K 2o) Main Function is slag making, stabilising arc, beautifies weld seam, improves the removability of slag.When oxide is very few, welding technological properties is poor, and when oxide is too much, weld seam oxygen content improves.
Aluminium and magnesium have superpower deoxidizing capacity.
The Main Function of manganese is deoxidation, desulfurization and to transition alloy elements in weld seam.
The primary effect of silicon is by silicomanganese combined deoxidation, and such deoxidation effect is better, simultaneously transition alloy elements.
The Main Function of titanium is transition alloy elements in weld seam.When Ti content is too low, little to the effect improving impact value; When Ti content is too high, then intensity is too high, even can produce martensitic structure, and make impact value low.
The Main Function of boron is transition alloy elements in weld seam.When Boron contents is too low, little to the effect improving impact value; When Boron contents is too high, then crack sensitive can be made to improve.
Advantageous Effects of the present invention is: in this combination welding wire, the diffusible hydrogen content of the real core pattern welding wire of backward electrode own is extremely low, and crack resistance is good; Nitrogen in weld seam, oxygen content are lower, and postwelding face of weld is without slag, and the minute quantity gas produced during welding can directly be overflowed, and not easily produces pore; Rear row pole welding agent type welding wire can make electric arc more stable, and the diffusible hydrogen content of deposited metal is at below 5ml/100g, the CO of priming paint burning release can be reduced when aluminium and magnesium welding, and titanium and boron make tissue have more a high proportion of acicular ferrite, can impact value be significantly improved, and excellent resistance to paint when combination welding wire of the present invention welds under the speed of welding and 30-40 μm of high thickness of 2.0m/min, can be obtained.
Detailed description of the invention
For a better understanding of the present invention, further describe below by embodiment 1 ~ 7, but the present invention is not limited to following embodiment.
All adopt manufacturing process general in welding wire production industry in following embodiment, the real core pattern welding wire of backward electrode according to component preparation described in table 1, and obtains corresponding cost through operations such as pickling, drawing and copper facing; According to the steel-tape sheath of row pole welding agent type welding wire after component preparation described in table 2; According to the welding agent powder of row pole welding agent type welding wire after component preparation described in table 3, and by described welding agent powder wrapped in described steel-tape sheath.
The composition of the real core heart yearn of the real core pattern welding wire of table 1 backward electrode and percentage by weight (%)
After table 2, the steel-tape sheath of row pole welding agent type welding wire forms and percentage by weight (%)
The welding agent powder constituent of table 3 rear row pole welding agent type welding wire and percentage by weight (%)
The chemical composition (%) of row pole welding agent type welding wire deposited metal after table 4
The mechanical performance of table 5 rear row pole welding agent type welding wire deposited metal and diffusible hydrogen content
Note: ballistic work measures at-20 DEG C.
Real for backward electrode core pattern welding wire is welded with after the bipolar collocation of rear row pole welding agent type welding wire, its workability and weld size as shown in table 6.
Table 6 workability and weld size
Above-mentioned experiment is visible, and combination welding wire of the present invention still can obtain excellent resistance to paint under 2.0m/min high speed of welding and 30-40 μm high thickness condition.

Claims (2)

1. a T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire, is characterized in that:
Comprise the real core pattern welding wire of backward electrode and the rear row pole welding agent type welding wire of series connection;
In the real core heart yearn total weight percent of the real core pattern welding wire of backward electrode, composition and the percentage by weight of the real core heart yearn of the real core pattern welding wire of described backward electrode are: C0.01 ~ 0.20%, Si0.01 ~ 2.00%, Mn0.01 ~ 2.00%, P0.001 ~ 0.020%, S0.001 ~ 0.020%, Ti0.01 ~ 0.50%, B0.001 ~ 0.080% and surplus Fe;
Described rear row pole welding agent type welding wire is by steel-tape sheath and welding agent powder constituent, and described welding agent powder wrapped is in described steel-tape sheath, and described welding agent powder weight accounts for 10 ~ 30% of rear row pole welding agent type welding wire gross weight;
In steel-tape sheath total weight percent, the composition of described steel-tape sheath and percentage by weight are: C0.001 ~ 0.030%, Si0.001 ~ 0.030%, Mn0.01 ~ 0.30%, Al0.001 ~ 0.030%, P0.001 ~ 0.020%, S0.001 ~ 0.020% and surplus Fe;
In welding agent powder total weight percent, composition and the percentage by weight of described welding agent powder are: TiO 210 ~ 30%, SiO 21 ~ 10%, ZrO 20.1 ~ 5.0%, Na 2o0.1 ~ 5.0%, K 2o0.1 ~ 5.0%, Al+Mg1 ~ 8%, Mn8 ~ 20%, Si0.5 ~ 5.0%, Ti0.1 ~ 5.0%, B0.01 ~ 0.10% and surplus Fe.
2. T-shaped CO according to claim 1 2gas shield high speed fillet welding series connection double-wire type combination welding wire, is characterized in that:
In the real core heart yearn total weight percent of the real core pattern welding wire of backward electrode, composition and the percentage by weight of the real core heart yearn of the real core pattern welding wire of described backward electrode are: C0.01 ~ 0.20%, Si0.01 ~ 1.15%, Mn0.01 ~ 1.85%, P0.001 ~ 0.020%, S
0.001 ~ 0.020%, Ti0.01 ~ 0.30%, B0.001 ~ 0.080% and surplus Fe;
The welding agent powder total weight percent meter of later row pole welding agent type welding wire, composition and the percentage by weight of described welding agent powder are: TiO 215 ~ 30%, SiO 21 ~ 5%, ZrO 20.1 ~ 2.0%, Na 2o0.1 ~ 1.0%, K 2o0.1 ~ 2.0%, Al+Mg1 ~ 5%, Mn8 ~ 20%, Si0.5 ~ 5.0%, Ti0.1 ~ 3.0%, B0.01 ~ 0.10% and surplus Fe.
CN201210336141.1A 2012-09-12 2012-09-12 T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire Active CN103659044B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210336141.1A CN103659044B (en) 2012-09-12 2012-09-12 T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210336141.1A CN103659044B (en) 2012-09-12 2012-09-12 T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire

Publications (2)

Publication Number Publication Date
CN103659044A CN103659044A (en) 2014-03-26
CN103659044B true CN103659044B (en) 2016-02-17

Family

ID=50298480

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210336141.1A Active CN103659044B (en) 2012-09-12 2012-09-12 T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire

Country Status (1)

Country Link
CN (1) CN103659044B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914506A (en) * 1972-07-10 1975-10-21 Mitsubishi Heavy Ind Ltd Welding material for austenitic stainless steels
CN101104232A (en) * 2007-08-09 2008-01-16 武汉铁锚焊接材料股份有限公司 Low alloy steel flux-cored welding wire for carbon dioxide gas protection welding
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
CN101905392A (en) * 2010-08-26 2010-12-08 宜昌猴王焊丝有限公司 High-toughness low-alloy solid welding wire
CN102548703A (en) * 2009-09-25 2012-07-04 新日本制铁株式会社 Method for fillet arc welding high-strength thin steel sheets
CN102554497A (en) * 2010-12-21 2012-07-11 中冶建筑研究总院有限公司 Flux-cored wire for fine-grain high-strength steel bar CO2 arc welding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008290116A (en) * 2007-05-24 2008-12-04 Jfe Steel Kk Fillet welded joint and fillet welding method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3914506A (en) * 1972-07-10 1975-10-21 Mitsubishi Heavy Ind Ltd Welding material for austenitic stainless steels
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
CN101104232A (en) * 2007-08-09 2008-01-16 武汉铁锚焊接材料股份有限公司 Low alloy steel flux-cored welding wire for carbon dioxide gas protection welding
CN102548703A (en) * 2009-09-25 2012-07-04 新日本制铁株式会社 Method for fillet arc welding high-strength thin steel sheets
CN101905392A (en) * 2010-08-26 2010-12-08 宜昌猴王焊丝有限公司 High-toughness low-alloy solid welding wire
CN102554497A (en) * 2010-12-21 2012-07-11 中冶建筑研究总院有限公司 Flux-cored wire for fine-grain high-strength steel bar CO2 arc welding

Also Published As

Publication number Publication date
CN103659044A (en) 2014-03-26

Similar Documents

Publication Publication Date Title
CN103659043B (en) CO 2gas shield high speed flat fillet weld series connection double-wire type combination welding wire
KR101692591B1 (en) Ni BASED ALLOY FLUX CORED WIRE
CN105269174B (en) A kind of ocean engineering 460MPa grades of flux-cored wires and its application
CN101804533A (en) Gas shielded flux-cored wire for welding with low temperature, high toughness and full positions
CN104148824B (en) A kind of high tenacity flux-cored wire for electrogas arc welding
CN101966628A (en) Chemical powder components of 2507 type super double-phase stainless steel flux-cored wire
CN104959748A (en) Flux-cored wire special for maritime work low-temperature high-strength steel
CN107350659B (en) 460MPa grade seamless flux-cored wire and manufacturing method suitable for all-position welding
CN105728989B (en) High-toughness atmosphere corrosion resistance flux-cored solder wire and preparation method thereof
CN106181122B (en) A kind of seamless submerged arc flux-cored wire for yield strength 550MPa steel
CN104526179A (en) CO2 protective high-toughness carbon steel flux-cored wire
CN104741816A (en) Flux-cored welding wire for X120 pipeline steel welding and manufacturing method thereof
CN106141500B (en) A kind of seamless submerged arc flux-cored wire of yield strength 690MPa grades of steel ultralow-hydrogen lows
CN105710558A (en) Flux-cored wire and welding flux used for submerged-arc welding of low-temperature steel
CN106736049A (en) A kind of good seamless flux-cored wire of the capability of welding vertically upwards
CN100500363C (en) Method for preparing low hydrogen type downwards electrode
CN105014261A (en) Seamless metal powder core type flux-cored wire for chromium-molybdenum steel
CN102528317B (en) Flux-cored wire for electrogas welding
CN104785954A (en) High-strength and high-tenacity basic flux cored wire
CN102009287A (en) Electrogas welding gas shield flux-cored wire for large heat input welding
CN103659045B (en) Carbon dioxide gas arc welding is with containing Ti type metal flux-cored wire
CN103659044B (en) T-shaped CO 2gas shield high speed fillet welding series connection double-wire type combination welding wire
CN114161024B (en) Metal powder type flux-cored wire and preparation method and application thereof
CN103659052B (en) Carbon dioxide gas arc welding is with containing Ti and Type B metal flux-cored wire
CN112108791B (en) Alkaline seamless flux-cored wire for improving low-temperature toughness of low-alloy high-strength steel welding joint

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant