CN108145339A - A kind of welding material combination object for soft cushioning single side Lincoln weld - Google Patents

A kind of welding material combination object for soft cushioning single side Lincoln weld Download PDF

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Publication number
CN108145339A
CN108145339A CN201711363235.7A CN201711363235A CN108145339A CN 108145339 A CN108145339 A CN 108145339A CN 201711363235 A CN201711363235 A CN 201711363235A CN 108145339 A CN108145339 A CN 108145339A
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Prior art keywords
welding
powder
solder flux
surplus
single side
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CN108145339B (en
Inventor
刘磊
许承熙
鞠国文
隋毅
陈忠德
朱未
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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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
    • B23K35/3053—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
    • 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
    • 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
    • B23K35/362—Selection of compositions of fluxes
    • 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
    • B23K9/18—Submerged-arc welding
    • B23K9/186—Submerged-arc welding making use of a consumable electrodes
    • 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
    • B23K9/235—Preliminary treatment

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

Abstract

The invention discloses a kind of welding material combination objects for soft cushioning single side Lincoln weld, the composition includes welding wire, surface solder flux and powder filler, and C is 0.08~0.17% in welding wire, Si is 0.01~0.04%, Mn is 1.0~2.5%, Cr+Ni is 0.1~0.5%, S is 0.010~0.025%, P is 0.010~0.025%, surplus is Fe powder；SiO in the solder flux of surface2It is 15~35% for 10~20%, MgO, TiO2For 5~15%, Al2O3For 7~20%, CaO be 5~20%, S is 0.01~0.04%, P is 0.01~0.04%, H2O is 0.01~0.1%, impurity is 0.1~0.2%, surplus is Fe powder；C is 0.004~0.01% in powder filler, Si is 0.01~0.4%, Mn is 1.0 2.5%, Ni is 2.0 5.0%, Mo is 0.2~1.0%, S is 0.02~0.04%, P is 0.02~0.04%, surplus is Fe powder.The present invention makes production efficiency improve 3~5 times, welding material cost reduction 50~60% more similar than import.

Description

A kind of welding material combination object for soft cushioning single side Lincoln weld
The present patent application is on 09 15th, 2017 patents of invention 201710833254.5《One kind is buried for soft cushioning single side The welding material combination object of arc automatic welding》Divisional application
Technical field
The invention belongs to shipbuilding efficient welding fields, and in particular to a kind of for soft cushioning single side Lincoln weld Welding material combination object, especially a kind of Lincoln weld welding material combination for including welding wire, surface solder flux and powder filler Object.
Background technology
With the enlargement of the tonnage of ship, block system is largely used in hull construction.In the past, the splicing of the deck of boat was most Using CO2Gas shielded arc welding abbreviation FCAW (Flux Cored Arc Welding) is completed, and this method is due to by welder's skill The influence of many factors such as energy, welding material and performance, there is big, consuming working hour more, reliability differences of labor intensity etc. Disadvantage.Simultaneously because the increase of plate thickness and jigsaw seam length, the weight and area occupied of segmentation also improve therewith, this is segmentation It turns over back welding and brings very big difficulty.For this purpose, since the 1970s, in fields such as bridge, shipbuildings, exploitation is sent as an envoy to for Japan Reach the single side welding technology of single face welding and double face shaping with Lincoln weld, as flux backing process (RF), cubond liner method (FCB), Soft cushioning single side Lincoln weld (Flux Adhesive Fiberglass Backing, abbreviation FAB), wherein, FAB technologies according to Rely its welding quality it is high, it is easy-to-use flexibly, technology capital put into low advantage, just in China, Japan and Korea's shipbuilding industry gradually into Based on flow welding procedure.
It was influenced in recent years by world financial crisis, international carriage and economy are in stronger concussion phase, domestic each shipbuilding Enterprise reduces construction cost, FAB technology more strong to high efficiency, the welding technique demand of high quality to shorten shipbuilding period Due to the technical advantage of its protrusion, favored by domestic shipbuilding enterprise.However, the domestic welding that there is no with FAB complete sets of Techniques Material, external Japan, South Korea monopolize domestic market always.For domestic shipyard, using import FAB wldings, there are all More problems：First, price is very high；Second is that procurement cycle is longer；Third, after-sale service is not in time etc..It is existing in terms of processing performance There are import FAB wldings in welded high-strength hull structural steel, there is a situation where that impact flexibility is relatively low.Therefore it develops to one's name FAB wldings become further genralrlization this high-efficiency welding method, the key for reducing production cost.
Invention content
For problems of the prior art, the present invention provides a kind of welding for soft cushioning single side Lincoln weld Material compositions, welding material combination object of the invention are used for soft cushioning single side Lincoln weld, have welding arc stablility, weldering Stitch beautiful appearance, transitions smooth, without weld defects such as undercuts.
To achieve the above object, the present invention uses following technical scheme：
A kind of welding material combination object for soft cushioning single side Lincoln weld, the composition include following component：Weldering Silk, surface solder flux and powder filler, the mass ratio between the welding wire, surface solder flux and powder filler are：0.8~1.1:1.2 ~1.6:1.3~1.7,
The mass percent of each component is respectively in the welding wire：C is 0.08~0.17%, Si is 0.01~0.04%, Mn is 1.0~2.5%, Cr+Ni is 0.1~0.5%, S is 0.010~0.025%, P is 0.010~0.025%, surplus Fe Powder；
The mass percent of each component is respectively in the surface solder flux：SiO2Be 15~35% for 10~20%, MgO, TiO2For 5~15%, Al2O3For 7~20%, CaO be 5~20%, S is 0.01~0.04%, P is 0.01~0.04%, H2O It is 0.1~0.2% for 0.01~0.1%, impurity, surplus is Fe powder；
The mass percent of each component is respectively in the powder filler：C is 0.004~0.01%, Si be 0.01~ 0.4%th, Mn 1.0-2.5%, Ni 2.0-5.0%, Mo are 0.2~1.0%, S is 0.02~0.04%, P be 0.02~ 0.04%th, surplus is Fe powder.
Mass ratio between the welding wire, surface solder flux and powder filler is：1:1.5:1.5.
The mass percent of each component is respectively in the welding wire：C is 0.1~0.15%, Si is 0.02~0.03%, Mn For 1.5~2.0%, Cr+Ni be 0.2~0.4%, S is 0.010~0.020%, P is 0.010~0.020%, surplus Fe Powder；
The mass percent of each component is respectively in the surface solder flux：SiO2Be 15~30% for 15~20%, MgO, TiO2For 10~15%, Al2O3For 12~20%, CaO be 12~18%, S is 0.02~0.03%, P is 0.03~0.04%, H2O is 0.05~0.08%, impurity is 0.15~0.2%, surplus is Fe powder；
The mass percent of each component is respectively in the powder filler：C is 0.006~0.01%, Si be 0.2~ 0.3%th, Mn 1.5-2.0%, Ni 3.0-4.5%, Mo are 0.2~0.6%, S is 0.02~0.03%, P be 0.02~ 0.03%th, surplus is Fe powder.
The mass percent of each component is respectively in the welding wire：C is 0.17%, Si 0.04%, Mn 2.5%, Cr+ Ni is 0.5%, S 0.025%, P 0.025, surplus are Fe powder；
The mass percent of each component is respectively in the surface solder flux：SiO2For 20%, MgO 35%, TiO2For 15%th, Al2O3For 20%, CaO 20%, S 0.04%, P 0.04%, H2O is 0.1%, impurity 0.2%, surplus Fe Powder；
The mass percent of each component is respectively in the powder filler：C is 0.01%, Si 0.4%, Mn 2.5%, Ni is 5.0%, Mo 1.0%, S 0.04%, P 0.04%, surplus are Fe powder.
The mass percent of each component is respectively in the welding wire：C is 0.15%, Si 0.03%, Mn 1.5%, Cr+ Ni is 0.2%, S 0.010%, P 0.010, surplus are Fe powder；
The mass percent of each component is respectively in the surface solder flux：SiO2For 15%, MgO 15%, TiO2For 12%th, Al2O3For 15%, CaO 12%, S 0.02%, P 0.04%, H2O is 0.05%, impurity 0.15%, surplus are Fe powder；
The mass percent of each component is respectively in the powder filler：C is 0.01%, Si 0.3%, Mn 1.5%, Ni is 3.0%, Mo 0.2%, S 0.02%, P 0.03%, surplus are Fe powder.
The granularity of the surface solder flux is 10~60 mesh.
The granularity of the powder filler is 100~400 mesh.
The mass ratio of Cr and Ni is 1 in the Cr+Ni:1.
It is a kind of to be welded using the welding material combination object for soft cushioning single side Lincoln weld described in claim 1 The method connect, includes the following steps：
Step 1 sets soft cushioning in back of weld pad, and powder filler is dosed in groove,
Step 2, in groove overlying cap surface solder flux, groove is completely covered the surface solder flux,
Step 3 stretches into welding wire in powder filler across surface solder flux, described welding wire one end is in contact with powder filler, The other end is in contact with surface solder flux,
Step 4 is welded using the principle of submerged-arc welding, realizes the efficient welding of single-sided welding two-sides forming.
The groove gap is 0mm~8mm, and bevel angle α is 45~60 °, and groove does not stay root face and control errors are in 0mm ~2mm.
Compared with prior art, beneficial effects of the present invention are：The welding material combination object of the present invention is used for soft cushioning list Face Lincoln weld, welding arc stablility, appearance of weld are beautiful, transitions smooth, without weld defects such as undercuts；The combination of the present invention Formula ensures the crystal grain refinement of weld metal under 100KJ/cm large-line energies；Traditional single welding is replaced to weld for FAB technologies Method can make production efficiency improve 3~5 times, while present invention welding material cost reduction 50~60% more similar than import.
Mentioned component design is by a large amount of theory analysis, assay optimization, is rationally adjusted according to a large amount of test data Composition proportion, and then adjust viscosity, mobility, basicity, the redox reaction intensity in molten bath etc., and pass through and add in Ti alloys member Element obtains acicular ferrite and then refines weld metal crystal grain, the welding succeeded in developing to ensure large-line energy input condition Combination of materials.
Description of the drawings
Fig. 1 is the structure principle chart of groove welding of the present invention.
Specific embodiment
Embodiment 1
As shown in Figure 1, the present embodiment is used for the welding material combination object of soft cushioning single side Lincoln weld, the composition packet Include following component：Welding wire, surface solder flux and powder filler, the mass ratio between the welding wire, surface solder flux and powder filler are： 1:1.5:1.5
The mass percent of each component is respectively in the welding wire：C is 0.15%, Si 0.03%, Mn 2.2%, Cr+ Ni is 0.1%, S 0.012%, P 0.012%, surplus are Fe powder；
The mass percent of each component is respectively in the surface solder flux：SiO2For 18%, MgO 30%, TiO2For 10%th, Al2O3For 19%, CaO 18%, S 0.018%, P 0.018%, H2O is 0.03%, impurity 0.15%, surplus For Fe powder；
The mass percent of each component is respectively in the powder filler：C is 0.008%, Si 0.05%, Mn are 1.3%th, Ni 2.6%, Mo 0.3%, S 0.021%, P 0.021%, surplus are Fe powder.
Preferably, the granularity of the present embodiment surface solder flux is 25~35 mesh；The granularity of powder filler for 150~ 200 mesh.
As further preferred, the mass ratio of Cr and Ni is 1 in the present embodiment Cr+Ni:1.
The present embodiment for soft cushioning single side Lincoln weld the method welded of welding material combination object, including with Lower step：
Step 1 sets soft cushioning 1 in back of weld pad, and powder filler 3 is dosed in groove 2,
Step 2, in 2 overlying cap surface solder flux 4 of groove, groove 2 is completely covered the surface solder flux 4,
Step 3 stretches into welding wire 5 in powder filler 3 across surface solder flux 4, described 5 one end of welding wire and 3 phase of powder filler Contact, the other end are in contact with surface solder flux 4,
Step 4 is welded using the principle of submerged-arc welding, realizes the efficient welding of single-sided welding two-sides forming.
As further preferred, groove gap is appoints in the present embodiment in 0mm, 2mm, 5mm, 6mm, 8mm or 0mm~8mm One numerical value, bevel angle α are any value in 45 °, 50 °, 55 °, 60 ° or 45~60 °, and groove does not stay root face and control errors exist 0mm~2mm.
Embodiment 2
As shown in Figure 1, the present embodiment is used for the welding material combination object of soft cushioning single side Lincoln weld, the composition packet Include following component：Welding wire, surface solder flux and powder filler, the mass ratio between the welding wire, surface solder flux and powder filler are： 1.1:1.5:1.6
The mass percent of each component is respectively in the welding wire：C is 0.12%, Si 0.01%, Mn 1.98%, Cr + Ni is 0.3%, S 0.018%, P 0.018%, surplus are Fe powder；
The mass percent of each component is respectively in the surface solder flux：SiO2For 14%, MgO 22%, TiO2For 12%th, Al2O3For 16%, CaO 12%, S 0.012%, P 0.012%, H2O is 0.02%, impurity 0.2%, surplus For Fe powder；
The mass percent of each component is respectively in the powder filler：C is 0.004%, Si 0.05%, Mn are 1.5%th, Ni 2.5%, Mo 0.9%, S 0.023%, P 0.023%, surplus are Fe powder.
Preferably, the granularity of the present embodiment surface solder flux is 20~25 mesh；The granularity of powder filler for 100~ 150 mesh.
As further preferred, the mass ratio of Cr and Ni is 1 in the present embodiment Cr+Ni:1.
The present embodiment for soft cushioning single side Lincoln weld the method welded of welding material combination object, including with Lower step：
Step 1 sets soft cushioning 1 in back of weld pad, and powder filler 3 is dosed in groove 2,
Step 2, in 2 overlying cap surface solder flux 4 of groove, groove 2 is completely covered the surface solder flux 4,
Step 3 stretches into welding wire 5 in powder filler 3 across surface solder flux 4, described 5 one end of welding wire and 3 phase of powder filler Contact, the other end are in contact with surface solder flux 4,
Step 4 is welded using the principle of submerged-arc welding, realizes the efficient welding of single-sided welding two-sides forming.
As further preferred, groove gap is appoints in the present embodiment in 0mm, 2mm, 5mm, 6mm, 8mm or 0mm~8mm One numerical value, bevel angle α are any value in 45 °, 50 °, 55 °, 60 ° or 45~60 °, and groove does not stay root face and control errors exist 0mm~2mm.
The performance parameter of soft cushioning is shown in Table 1 in above-described embodiment：
The performance parameter of 1 soft cushioning of table
Test plate (panel)：High strength hull steel rank：EH36, thickness：25mm, chemical composition are shown in Table 2.
Table 2EH36 high strength hull steel chemical compositions
Welding equipment：It shows severity MZ-1250 single electrode Lincoln weld welding equipments.
Welding variables is shown in Table 3.
3 welding variables of table
The present embodiment testing result：Weld metal tensile strength, yield strength, elongation percentage and -20 DEG C of low-temperature impact Work(is shown in Table 4.
4 weld(ing) deposit mechanical property of table
According to table 3 it is found that the present invention, which applies to the welding of FAB technologies, can obtain the deposition gold for having excellent mechanical property Belong to, not only meet China Classification Society《Material and welding conditions》The evaluation requirement of middle 3Y40 grades of wlding, and in high spot reviews In terms of index --- impact flexibility, there are not similar import FAB wldings in welded high-strength hull structural steel, there is impact The relatively low situation of toughness.Simultaneously the present invention in the welding process, heat input be higher than import welding material, but welding seam toughness still better than Import welding material, higher heat input mean higher welding production efficiency, this is the result shows that the welding life of the present invention It produces efficiency and is better than import welding material.
Present invention can apply in the relevant industries such as domestic and international ship, bridge, pressure vessel, with soft cushioning single side submerged arc The region of automatic welding technique.
Although above-described embodiment makes the present invention specific descriptions, those of ordinary skill in the art are come It says, it is understood that can be modified within the spirit and scope for not departing from the present invention based on present disclosure Or improve, these modification and improvement are all within the spirit and scope of the present invention.

Claims (4)

1. a kind of welding material combination object for soft cushioning single side Lincoln weld, which is characterized in that the composition include with Lower ingredient：Welding wire, surface solder flux and powder filler, the mass ratio between the welding wire, surface solder flux and powder filler are：1: 1.5:1.5, the mass percent of each component is respectively in the welding wire：C is 0.15%, Si 0.03%, Mn 1.5%, Cr+ Ni is 0.2%, S 0.010%, P 0.010, surplus are Fe powder；
The mass percent of each component is respectively in the surface solder flux：SiO2For 15%, MgO 15%, TiO2For 12%, Al2O3For 15%, CaO 12%, S 0.02%, P 0.04%, H2O is 0.05%, impurity 0.15%, surplus are Fe powder；
The mass percent of each component is respectively in the powder filler：：C is 0.01%, Si 0.3%, Mn 1.5%, Ni It is Fe powder for 3.0%, Mo 0.2%, S 0.02%, P 0.03%, surplus.
2. the welding material combination object according to claim 1 for soft cushioning single side Lincoln weld, which is characterized in that The granularity of the surface solder flux is 10~60 mesh.
3. the welding material combination object according to claim 1 for soft cushioning single side Lincoln weld, which is characterized in that The granularity of the powder filler is 100~400 mesh.
4. the welding material combination object according to claim 1 for soft cushioning single side Lincoln weld, which is characterized in that The mass ratio of Cr and Ni is 1 in the Cr+Ni:1.
CN201711363235.7A 2017-09-15 2017-09-15 Welding material composition for single-side submerged arc automatic welding of soft gasket Active CN108145339B (en)

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CN110640279A (en) * 2019-09-30 2020-01-03 广州黄船海洋工程有限公司 Welding flux copper gasket method submerged-arc welding process for Q420 high-strength steel thick plate

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CN108145339B (en) * 2017-09-15 2020-04-07 上海江南长兴造船有限责任公司 Welding material composition for single-side submerged arc automatic welding of soft gasket
TWI677398B (en) * 2018-10-24 2019-11-21 葉均蔚 Welding method using alloy powder as welding filler material
CN109365967B (en) * 2018-10-31 2021-04-06 上海江南长兴造船有限责任公司 Welding method for large groove gap of submerged-arc welding
CN110560849B (en) * 2019-09-05 2021-09-14 广州黄船海洋工程有限公司 Soft gasket single-side submerged arc welding process for EH36 high-strength steel thick plate

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CN106392274A (en) * 2016-12-06 2017-02-15 武汉天高熔接股份有限公司 Double-sided forming welding process of FGB process one-sided submerged arc welding
CN106425049A (en) * 2016-12-06 2017-02-22 武汉天高熔接股份有限公司 Submerged-arc welding deep penetration single-side welding technology of thick plates
CN106825874A (en) * 2017-03-10 2017-06-13 广州增立钢管结构股份有限公司 A kind of submerged-arc welding single face welding and double face shaping technique
CN107511604B (en) * 2017-09-15 2019-07-12 上海江南长兴造船有限责任公司 A kind of welding material combination object for soft cushioning single side Lincoln weld

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CN110640279A (en) * 2019-09-30 2020-01-03 广州黄船海洋工程有限公司 Welding flux copper gasket method submerged-arc welding process for Q420 high-strength steel thick plate
CN110640279B (en) * 2019-09-30 2021-10-26 广州黄船海洋工程有限公司 Welding flux copper gasket method submerged-arc welding process for Q420 high-strength steel thick plate

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CN108311814A (en) 2018-07-24

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