CN107081538A - A kind of high-strength corrosion-resisting welding wire - Google Patents
A kind of high-strength corrosion-resisting welding wire Download PDFInfo
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- CN107081538A CN107081538A CN201710338596.XA CN201710338596A CN107081538A CN 107081538 A CN107081538 A CN 107081538A CN 201710338596 A CN201710338596 A CN 201710338596A CN 107081538 A CN107081538 A CN 107081538A
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Classifications
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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
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- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Nonmetallic Welding Materials (AREA)
Abstract
The invention discloses a kind of high-strength corrosion-resisting welding wire, it includes following component：C, Cr, Cu, Si, B, Mn, Ni, Nb, Ti, Mo, Co, V, Sr, Sc, Nd, Eu, La, Y, remaining is Fe and inevitable impurity.A kind of high-strength corrosion-resisting welding wire proposed by the present invention, it has good welding performance, and appearance of weld is good, face of weld flawless and stomata, deposited metal is big with mother metal bond strength simultaneously, and deposited metal has the advantages that corrosion-resistant and wearability is good, intensity is high, hardness is big, impact resistance is good.
Description
Technical field
The present invention relates to technical field of metal material, more particularly to a kind of high-strength corrosion-resisting welding wire.
Background technology
Metal material is damaged by the effect of surrounding medium, referred to as metal erosion, and metal erosion can all cause huge every year
National economy loss.Welding wire as a kind of common welding material, be widely used in container, bridge, building, engineering machinery,
The fields such as ship, vehicle and Aero-Space.There is appearance of weld during common welding wire welding poor, cleaned welding slag and after polishing,
Weld seam is still coarse, and crackle and stomata easily occurs in out-of-flatness, weld metal zone, small with mother metal bond strength, while deposited metal is strong
On degree and it need to be improved in corrosion resistance.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of high-strength corrosion-resisting welding wire, and it has good
Good welding performance, appearance of weld is good, face of weld flawless and stomata, while deposited metal is big with mother metal bond strength, melts
Metallisation has the advantages that corrosion-resistant and wearability is good, intensity is high, hardness is big, impact resistance is good.
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.15-0.3%,
Cr：1.2-2%, Cu：0.35-0.6%, Si：0.4-0.6%, B：0.1-0.15%, Mn：0.7-1%, Ni：0.1-0.3%,
Nb：0.05-0.1%, Ti：0.2-0.3%, Mo：0.1-0.3%, Co：0.04-0.08%, V：0.1-0.2%, Sr：0.04-
0.08%th, Sc：0.05-0.08%, Nd：0.004-0.01%, Eu：0.01-0.015%, La：0.005-0.01%, Y：0.01-
0.02%, remaining is Fe and inevitable impurity.
In specific embodiment, C mass fraction can also be：0.18%th, 0.2,0.22%, 0.24%, 0.26%,
0.28%, Cr mass fraction can also be：1.3%th, 1.4%, 1.5%, 1.6%, 1.7%, 1.8%, Cu mass fraction
Can also be：0.38%th, 0.4%, 0.44%, 0.48%, 0.5%, 0.55%, 0.58%, Si mass fraction can also be：
0.44%th, 0.46%, 0.5%, 0.52%, 0.55%, 0.58%, B mass fraction can also be：0.11%th, 0.12%,
0.13%th, 0.14%, Mn mass fraction can also be：0.75%th, 0.8%, 0.85%, 0.9%, 0.95%, Ni quality
Fraction can also be：0.15%th, 0.18%, 0.2%, 0.22%, 0.25%, 0.28%, Nb mass fraction can also be：
0.06%th, 0.07%, 0.08%, 0.09%, Ti mass fraction can also be：0.22%th, 0.24%, 0.25%, 0.27%,
0.29%, Mo mass fraction can also be：0.12%th, 0.15%, 0.18%, 0.2%, 0.22%, 0.25%, 0.28%,
Co mass fraction can also be：0.05%th, 0.06%, 0.07%, 0.075%, V mass fraction can also be：0.12%th,
0.14%th, 0.16%, 0.18%, Sr mass fraction can also be：0.05%th, 0.06%, 0.065%, 0.07%, Sc matter
Measuring fraction can also be：0.06%th, 0.065%, 0.07%, 0.075%, Nd mass fraction can also be：0.05%th,
0.06%th, 0.07%, 0.08%, 0.09%, Eu mass fraction can also be：0.011%th, 0.012%, 0.013%,
0.014%, La mass fraction can also be：0.006%th, 0.007%, 0.008%, 0.009%, Y mass fraction may be used also
Think：0.012%th, 0.014%, 0.015%, 0.017%, 0.019%, remaining is Fe and inevitable impurity.
Preferably, its component is included by mass fraction：C：0.18-0.26%, Cr：1.3-1.8%, Cu：0.4-0.55%,
Si：0.45-0.56%, B：0.11-0.14%, Mn：0.75-0.95%, Ni：0.15-0.25%, Nb：0.06-0.09%, Ti：
0.22-0.28%, Mo：0.15-0.25%, Co：0.05-0.07%, V：0.12-0.18%, Sr：0.05-0.07%, Sc：
0.06-0.07%, Nd：0.005-0.009%, Eu：0.011-0.014%, La：0.006-0.009%, Y：0.012-
0.018%, remaining is Fe and inevitable impurity.
Preferably, Mn, V content meet following functional relation：MMn=2.5 × (MV+ 0.1%)+R, wherein, R=
0.15%~0.2%, MMn、MVThe mass fraction of Mn, V in high-strength corrosion-resisting welding wire composition is represented respectively.
Preferably, C, B, Ti content are meeting following functional relation：MTi=(2 × MB+MC)/3+R, wherein, R=
0.1%~0.15%, MC、MB、MTiThe mass fraction of C, B, Ti in high-strength corrosion-resisting welding wire composition is represented respectively.
Preferably, Nd, Eu, La, Y content meet following relational expression：0.036%≤MNd+MEu+MLa+MY≤ 0.048%,
Wherein, MNd、MEu、MLa、MYIt is illustrated respectively in the mass fraction in high-strength corrosion-resisting welding wire composition.
The present invention is made using conventional fabrication process.
Content of the invention by controlling Cr, Cu, Ni, is that deposited metal has good intensity, hardness, toughness, anti-impact
The mechanical properties such as hitting property are laid a good foundation, while making deposited metal have good inoxidizability and corrosion resistance；Mn matches somebody with somebody with V
Close, with good deoxidation effect, improve the institutional framework and welding performance of deposited metal, when the mutual contents of Mn and V are accorded with
Unification is when determining relation, reinforcing and toughening effect to deposited metal reach it is best, while the content by controlling Mn and V, can have
Effect improves the mobility in molten bath, before liquid metal solidification, makes nonmetallic slag inclusion emersion surface, effectively purifies molten bath, improves molten
The intensity and toughness of metallisation, while avoiding deposited metal from anisotropy occur；By controlling C, B, Ti content, make its three
Between when meeting certain functional relation, the thinning effect and intensity effect of deposited metal are reached it is best, while what is formed is hard
Matter phase little particle of black TiB2, TiC, Dispersed precipitate is in deposited metal and serves as the particle of heterogeneous forming core, promotes needle-like iron
Dislocation density between the formation of ferritic and primary carbide, increase deposited metal, improves deposited metal internal organizational structure, increase
The anti-wear performance of deposited metal and the bond strength between mother metal, and B, Ti have good deoxidation effect, it is also originated in
Thing density is small, can float over weld pool surface, reduces being mingled with for metal oxide, deposited metal had good tensile strength, resisted
Impact performance and elongation；By controlling Sr, Nd, Eu, La, Y content, make welding wire that there is good dehydrogenation effect, reduce
The content of hydrogen in deposited metal, and generate in deposited metal hardening constituent Fe-Co-RE and Fe-Ni-RE, wherein RE be Nd, Eu,
One kind in La, Y, Dispersed precipitate significantly improves the intensity and toughness of deposited metal, and have well in deposited metal
Refined crystalline strengthening is acted on, and promotes acicular ferrite to be formed, and improves the bond strength of deposited metal and mother metal, while increasing deposited metal
Dislocation density, destroy cellular dendrite structure, improve carbide form, carbide morphology is tended to rounding and refinement, significantly
Improve hardness, corrosion resistance, cracking resistance and the anti-fatigue performance of deposited metal.A kind of high-strength corrosion-resisting proposed by the present invention
Welding wire, it has good welding performance, and appearance of weld is good, face of weld flawless and stomata, while deposited metal and mother metal
Bond strength is big, and deposited metal has the advantages that corrosion-resistant and wearability is good, intensity is high, hardness is big, impact resistance is good.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.15%th, Cr：
1.2%th, Cu：0.6%th, Si：0.4%th, B：0.1%th, Mn：1%th, Ni：0.1%th, Nb：0.05%th, Ti：0.3%th, Mo：0.1%th,
Co：0.04%th, V：0.2%th, Sr：0.04%th, Sc：0.05%th, Nd：0.01%th, Eu：0.01%th, La：0.005%th, Y：
0.02%, remaining is Fe and inevitable impurity.
Embodiment 2
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.3%th, Cr：2%th,
Cu：0.35%th, Si：0.6%th, B：0.15%th, Mn：0.7%th, Ni：0.3%th, Nb：0.1%th, Ti：0.2%th, Mo：0.3%th, Co：
0.08%th, V：0.1%th, Sr：0.08%th, Sc：0.08%th, Nd：0.004%th, Eu：0.015%th, La：0.01%th, Y：0.01%,
Remaining is Fe and inevitable impurity.
Embodiment 3
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.28%th, Cr：
1.6%th, Cu：0.48%th, Si：0.52%th, B：0.12%th, Mn：0.8%th, Ni：0.22%th, Nb：0.07%th, Ti：0.24%th, Mo：
0.14%th, Co：0.06%th, V：0.15%th, Sr：0.06%th, Sc：0.065%th, Nd：0.006%th, Eu：0.013%th, La：
0.008%th, Y：0.015%, remaining is Fe and inevitable impurity.
Embodiment 4
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.26%th, Cr：
1.45%th, Cu：0.52%th, Si：0.46%th, B：0.14%th, Mn：0.725%th, Ni：0.13%th, Nb：0.06%th, Ti：0.3%th,
Mo：0.13%th, Co：0.05%th, V：0.12%th, Sr：0.05%th, Sc：0.07%th, Nd：0.006%th, Eu：0.012%th, La：
0.008%th, Y：0.016%, remaining is Fe and inevitable impurity.
Embodiment 5
A kind of high-strength corrosion-resisting welding wire proposed by the present invention, its component is included by mass fraction：C：0.18%th, Cr：
1.75%th, Cu：0.42%th, Si：0.55%th, B：0.11%th, Mn：0.85%th, Ni：0.16%th, Nb：0.08%th, Ti：0.22%th,
Mo：0.16%th, Co：0.07%th, V：0.17%th, Sr：0.07%th, Sc：0.06%th, Nd：0.008%th, Eu：0.014%th, La：
0.006%th, Y：0.012%, remaining is Fe and inevitable impurity.
Deposited metal after being welded to high-strength corrosion-resisting welding wire described in the embodiment of the present invention 5 carries out performance test, with
Prior art is as follows compared to result：
| Prior art | Embodiment 5 | |
| Yield strength/MPa | 530 | 620 |
| Tensile strength/MPa | 580 | 695 |
| - 20 DEG C of impact absorbing energy/J | 130 | 180 |
| Elongation/% | 29.5 | 35.2 |
By above table as can be seen that high-strength corrosion-resisting welding wire of the present invention compared with prior art, is being surrendered
Intensity, tensile strength, elongation and low-temperature impact work fermentation are obtained for lifting, and the excellent properties shown are more suitable for life
Production is used.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of high-strength corrosion-resisting welding wire, it is characterised in that its component is included by mass fraction：C：0.15-0.3%, Cr：
1.2-2%, Cu：0.35-0.6%, Si：0.4-0.6%, B：0.1-0.15%, Mn：0.7-1%, Ni：0.1-0.3%, Nb：
0.05-0.1%, Ti：0.2-0.3%, Mo：0.1-0.3%, Co：0.04-0.08%, V：0.1-0.2%, Sr：0.04-
0.08%th, Sc：0.05-0.08%, Nd：0.004-0.01%, Eu：0.01-0.015%, La：0.005-0.01%, Y：0.01-
0.02%, remaining is Fe and inevitable impurity.
2. high-strength corrosion-resisting welding wire according to claim 1, it is characterised in that its component is included by mass fraction：C：
0.18-0.26%, Cr：1.3-1.8%, Cu：0.4-0.55%, Si：0.45-0.56%, B：0.11-0.14%, Mn：0.75-
0.95%th, Ni：0.15-0.25%, Nb：0.06-0.09%, Ti：0.22-0.28%, Mo：0.15-0.25%, Co：0.05-
0.07%th, V：0.12-0.18%, Sr：0.05-0.07%, Sc：0.06-0.07%, Nd：0.005-0.009%, Eu：0.011-
0.014%th, La：0.006-0.009%, Y：0.012-0.018%, remaining is Fe and inevitable impurity.
3. high-strength corrosion-resisting welding wire according to claim 1 or claim 2, it is characterised in that Mn, V content meet such as minor function
Relational expression：MMn=2.5 × (MV+ 0.1%)+R, wherein, R=0.15%~0.2%, MMn、MVRepresent Mn, V in high intensity respectively
Mass fraction in corrosion-resistant welding wire composition.
4. high-strength corrosion-resisting welding wire according to claim 1 or claim 2, it is characterised in that C, B, Ti content are meeting as follows
Functional relation：MTi=(2 × MB+MC)/3+R, wherein, R=0.1%~0.15%, MC、MB、MTiRepresent C, B, Ti in height respectively
Mass fraction in strength corrosion resistant welding wire composition.
5. high-strength corrosion-resisting welding wire according to claim 1 or claim 2, it is characterised in that Nd, Eu, La, Y content are met such as
Lower relational expression：0.036%≤MNd+MEu+MLa+MY≤ 0.048%, wherein, MNd、MEu、MLa、MYIt is illustrated respectively in high intensity corrosion resistant
Lose the mass fraction in welding wire composition.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940306A (en) * | 2019-04-02 | 2019-06-28 | 安徽省金兰金盈铝业有限公司 | Transport facility aluminum alloy junction component Al-Mg alloy welding wire |
| CN113441864A (en) * | 2020-03-26 | 2021-09-28 | 奥钢联伯乐焊接奥地利有限公司 | Weld metal and metal powder flux cored wire for producing weld metal |
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| CN113441864A (en) * | 2020-03-26 | 2021-09-28 | 奥钢联伯乐焊接奥地利有限公司 | Weld metal and metal powder flux cored wire for producing weld metal |
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Application publication date: 20170822 |