CN105965174B - A kind of Continuous Casting Rolls bottom surface resurfacing welding material - Google Patents
A kind of Continuous Casting Rolls bottom surface resurfacing welding material Download PDFInfo
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- CN105965174B CN105965174B CN201610291527.3A CN201610291527A CN105965174B CN 105965174 B CN105965174 B CN 105965174B CN 201610291527 A CN201610291527 A CN 201610291527A CN 105965174 B CN105965174 B CN 105965174B
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- continuous casting
- casting rolls
- welding material
- resurfacing welding
- rolls bottom
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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
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The present invention provides a kind of Continuous Casting Rolls bottom surface resurfacing welding materials, contain following component in percentage by weight：C 0.03~0.1%；P ≤0.025%；S ≤0.03%；Si 0.3~0.5%；Mn 1~1.5%；Cr 16~20%；Ba 1~3%；Mn 0.5~1.2%；Ni 1.2~1.8%；W 2~3%；V 1~2%；Nb 7~10%；Pt 0.1~0.3%；Zr 0.05~0.2%；TiO2 0.1~0.5%；CaF2 0.6~1.2%；Surplus is Fe.Carry out built-up welding using Continuous Casting Rolls bottom surface provided by the invention resurfacing welding material, bead-welding technology is functional, and overlay cladding friction coefficient is small, has good impact resistance, polishing machine between metal, can multiple-bead deposit flawless easily machine.The transition zone of reparation or other resurfacing welding materials available for carbon-steel parts.
Description
Technical field
The present invention relates to field of welding material, and in particular to a kind of Continuous Casting Rolls bottom surface resurfacing welding material.
Background technology
Built-up welding is that the welding for the function metals layers such as one layer of deposition is wear-resisting, anti-corrosion, heat-resisting is carried out at the surface of workpiece or edge
Technique.To improving the service life of part, reasonable employment material has significant warp to enhancing product performance, reducing cost for built-up welding
Ji benefit, in the industrial production, this welding procedure of built-up welding is being grown rapidly.Resurfacing welding material is divided into three classes：Manual electric welding item
Class, welding wire class, band pole welding class.
Continuous Casting Rolls are the critical components of conticaster, it is continuously contacted with internal also not solidified high temperature slab, together
When also subject to cooling water repeated action, working condition is very harsh, and roll surface is easy to generate cool-hot fatigue crackle, oxidation corrosion
With abrasion equivalent damage form, serious or even cause roll breakage stopping accident, when roll surface crack propagation to certain depth, Continuous Casting Rolls must
It must repair or scrap processing.The service life of Continuous Casting Rolls is often to restrict the key factor of conticaster production operational availability, therefore will
Ask Continuous Casting Rolls that there is enough elevated temperature strengths, high temperature resistance to oxidation corrosive nature and high temperature abrasion resistance, particularly high cold-hot is tired
Labor performance.
It is that former roller and resurfacing welding material are easy in use that current built-up welding, which remanufactures the problem of being primarily present in roll technology,
In generating the defects of fine crack and lamellar tearing come off, therefore, except adjusting process parameter in addition to urgently exploitation with good combination
The bottoming layer material of performance and excellent physicochemical property.
Invention content
To solve the above problems, the invention discloses a kind of Continuous Casting Rolls bottom surface resurfacing welding materials.
In order to reach object above, the present invention provides following technical solution：
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.03~0.1%；P ≤
0.025%；S ≤0.03%；Si 0.3~0.5%；Mn 1~1.5%；Cr 16~20%；Ba 1~3%；Ni 1.2~1.8%；W 2
~3%；V 1~2%；Nb 7~10%；Pt 0.1~0.3%；Zr 0.05~0.2%；TiO20.1~0.5%；CaF20.6~
1.2%；Surplus is Fe.
Preferably, Continuous Casting Rolls bottom surface resurfacing welding material contains following component in percentage by weight：C 0.04~
0.06%；P ≤0.025%；S ≤0.03%；Si 0.4~0.5%；Mn 1.2~1.4%；Cr 17~19%；Ba 1.5~2%；Ni
1.4~1.6%；W 2~2.5%；V 1.5~2%；Nb 8~9%；Pt 0.2~0.3%；Zr 0.1~0.15%；TiO20.3~
0.4%；CaF20.8~1%；Surplus is Fe.
Preferably, above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, by smelting furnace be warming up to 850~950 DEG C keep 20~
Aluminium alloy is stood 10~15min by 30min after melting；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting is put into extruder and is squeezed；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire.
Preferably, step（4）Ingot casting temperature is first down to 350~400 DEG C during middle extruding, is directly placed into extruder and squeezes
It is pressed into bar.
Preferably, step（6）Middle surface treatment is divided into three pickling, surface polishing, passivation steps.
When carrying out built-up welding using Continuous Casting Rolls bottom surface provided by the invention resurfacing welding material, it can be used cooperatively with HRc28 solder flux,
The transition zone of reparation or other resurfacing welding materials available for carbon-steel parts.
What the present invention obtained has the beneficial effect that：
Built-up welding is carried out using Continuous Casting Rolls bottom surface provided by the invention resurfacing welding material, bead-welding technology is functional, and overlay cladding rubs
It is small to wipe coefficient, there is good impact resistance, polishing machine between metal, can multiple-bead deposit flawless easily machine.Available for carbon steel
The reparation of part or the transition zone of other resurfacing welding materials.
Specific embodiment
With reference to embodiment, the present invention is furture elucidated, it should be understood that following specific embodiments are only used for
It is bright the present invention rather than limit the scope of the invention.
Embodiment 1
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.1%；P 0.025%；S
0.03%；Si 0.5%；Mn 1.5%；Cr 20%；Ba 1 %；Ni 1.2 %；W 2 %；V 1 %；Nb 10%；Pt 0.3%；Zr
0.2%；TiO20.5%；CaF21.2%；Surplus is Fe.
Above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 850 DEG C of holding 30min, after melting
Aluminium alloy is stood into 10min；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting temperature is first down to 350 DEG C, is directly placed into extruder and is squeezed into bar；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire, surface treatment is divided into three pickling, surface polishing, passivation steps
Suddenly.
Embodiment 2
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.03%；P 0.023%；
S 0.025%；Si 0.3%；Mn 1%；Cr 16%；Ba 3%；Ni 1.8%；W 3%；V 2%；Nb 7%；Pt 0.1%；Zr 0.05%；
TiO20.1%；CaF20.6%；Surplus is Fe.
Above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 850~950 DEG C of holding 20min,
Aluminium alloy is stood into 15min after melting；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting temperature is first down to 400 DEG C, is directly placed into extruder and is squeezed into bar；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire, surface treatment is divided into three pickling, surface polishing, passivation steps
Suddenly.
Embodiment 3
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.04%；P 0.021%；
S ≤0.026%；Si 0.4%；Mn 1.2%；Cr 17%；Ba 2%；Ni 1.6%；W 2%；V 1.5%；Nb 9%；Pt 0.3%；Zr
0.1%；TiO20.3%；CaF21%；Surplus is Fe.
Above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 900 DEG C of holding 25min, after melting
Aluminium alloy is stood into 10min；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting temperature is first down to 380 DEG C, is directly placed into extruder and is squeezed into bar；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire, surface treatment is divided into three pickling, surface polishing, passivation steps
Suddenly.
Embodiment 4
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.06%；P 0.024%；
S ≤0.027%；Si 0.5%；Mn 1.4%；Cr 19%；Ba 1.5%；Ni 1.4%；W 2.5%；V 2%；Nb 8%；Pt 0.2%；
Zr 0.15%；TiO20.4%；CaF20.8%；Surplus is Fe.
Above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 900 DEG C of holding 25min, after melting
Aluminium alloy is stood into 15min；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting temperature is first down to 360 DEG C, is directly placed into extruder and is squeezed into bar；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire, surface treatment is divided into three pickling, surface polishing, passivation steps
Suddenly.
Embodiment 5
A kind of Continuous Casting Rolls bottom surface resurfacing welding material, contains following component in percentage by weight：C 0.05%；P 0.025%；
S 0.03%；Si 0.45%；Mn 1.3%；Cr 18%；Ba 1.8%；Ni 1.5%；W 2.3%；V 1..7%；Nb 8.5%；Pt
0.25%；Zr 0.12%；TiO20.35%；CaF20.9%；Surplus is Fe.
Above-mentioned Continuous Casting Rolls bottom surface resurfacing welding material is made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 950 DEG C of holding 20min, after melting
Aluminium alloy is stood into 12min；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting temperature is first down to 350 DEG C, is directly placed into extruder and is squeezed into bar；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is arrived after being surface-treated to welding wire, surface treatment is divided into three pickling, surface polishing, passivation steps
Suddenly.
The overlay cladding that built-up welding formation is carried out using the resurfacing welding material in the embodiment of the present invention simulates Continuous Casting Rolls rapid heat cycle
1000 cyclic tests, find no fatigue crack.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By more than technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (5)
1. a kind of Continuous Casting Rolls bottom surface resurfacing welding material, which is characterized in that contain following component in percentage by weight：C 0.03~
0.1%；P ≤0.025%；S ≤0.03%；Si 0.3~0.5%；Mn 1~1.5%；Cr 16~20%；Ba 1~3%；Ni 1.2
~1.8%；W 2~3%；V 1~2%；Nb 7~10%；Pt 0.1~0.3%；Zr 0.05~0.2%；TiO20.1~0.5%；
CaF20.6~1.2%；Surplus is Fe.
2. Continuous Casting Rolls bottom surface as described in claim 1 resurfacing welding material, which is characterized in that in percentage by weight containing following
Ingredient：C 0.04~0.06%；P ≤0.025%；S ≤0.03%；Si 0.4~0.5%；Mn 1.2~1.4%；Cr 17~19%；
Ba 1.5~2%；Ni 1.4~1.6%；W 2~2.5%；V 1.5~2%；Nb 8~9%；Pt 0.2~0.3%；Zr 0.1~
0.15%；TiO20.3~0.4%；CaF20.8~1%；Surplus is Fe.
3. Continuous Casting Rolls bottom surface as claimed in claim 1 or 2 resurfacing welding material, which is characterized in that be made by following steps：
（1）Each raw material powder is weighed according to the ratio in formula, and is put into mixing machine and is uniformly mixed；
（2）Uniformly mixed raw material powder is put into smelting furnace, smelting furnace is warming up to 850~950 DEG C of 20~30min of holding,
Aluminium alloy is stood into 10~15min after melting；
（3）It is poured into a mould under the protection of argon gas in continuous casting electromagnetic machine after melting, prepares alloy cast ingot；
（4）Ingot casting is put into extruder and is squeezed；
（5）Wire drawing is carried out into drawing machine, is annealed in wire drawing process, is reached format diameter and obtain welding wire；
（6）Finished product is obtained after being surface-treated to welding wire.
4. Continuous Casting Rolls bottom surface as claimed in claim 3 resurfacing welding material, which is characterized in that step（4）First by ingot casting during middle extruding
Temperature is down to 350~400 DEG C, is directly placed into extruder and is squeezed into bar.
5. Continuous Casting Rolls bottom surface as claimed in claim 3 resurfacing welding material, which is characterized in that step（6）Middle surface treatment is divided into acid
It washes, surface polishing, be passivated three steps.
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| CN110076478A (en) * | 2019-06-10 | 2019-08-02 | 四川鸿舰重型机械制造有限责任公司 | Rare earth hardfacing materials for blast furnace top bell series of products |
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