CN106191703A - A kind of high-chromium wear-resistant steel ball and preparation method thereof - Google Patents
A kind of high-chromium wear-resistant steel ball and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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Abstract
The invention discloses a kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: the percentage by weight of its each component is as follows: C:1 1.5%；Si:0.5 0.7%；Mn:1.2 1.4%；Cr:12 14%；Ni:0.03 0.05%；Mo:0.1 0.12%；W:0.1 0.3%；Al:0.08 0.1%；Cu:0.1 0.2%；B:0.003 0.004%；Ti:0.02 0.03%；Nb:0.2 0.3%；V:0.15 0.2%；P≤0.02%；S≤0.01%；Clout is Fe；Wherein, the expression formula of " Nb+10.3 (C/Cr) ＜ 1.55% " is met.The invention also discloses the preparation method of above-mentioned high-chromium wear-resistant steel ball.Wearability of the present invention is good, and toughness is high.
Description
Technical field
The present invention relates to grinding machinery technical field, particularly relate to a kind of high-chromium wear-resistant steel ball and preparation method thereof.
Background technology
Abrasion-proof steel ball has been widely used in the commercial production such as metallurgy, ore dressing, building materials, chemical industry, electric power.At present, often
Improve the wearability of steel ball by increasing the chromium content in steel ball, but the toughness that higher chromium content can make steel ball reduce,
Easily embrittlement, reduces the service life of steel ball, and the steel ball that therefore research and development wearability and toughness mutually balance becomes the task of top priority.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of high-chromium wear-resistant steel ball and preparation method thereof,
Wearability of the present invention is good, and toughness is high, and impact resistance is high, corrosion-resistant.
A kind of high-chromium wear-resistant steel ball that the present invention proposes, the percentage by weight of its each component is as follows: C:1-1.5%；Si:
0.5-0.7%；Mn:1.2-1.4%；Cr:12-14%；Ni:0.03-0.05%；Mo:0.1-0.12%；W:0.1-0.3%；
Al:0.08-0.1%；Cu:0.1-0.2%；B:0.003-0.004%；Ti:0.02-0.03%；Nb:0.2-0.3%；V:
0.15-0.2%；P≤0.02%；S≤0.01%；Clout is Fe；
Wherein, the expression formula of " Nb+10.3 (C/Cr) ＜ 1.55% " is met.
Preferably, the percentage by weight of its each component is as follows: C:1.1-1.3%；Si:0.55-0.65%；Mn:1.25-
1.35%；Cr:12.5-13.5%；Ni:0.035-0.045%；Mo:0.105-0.115%；W:0.15-0.25%；Al:
0.085-0.095%；Cu:0.12-0.18%；B:0.0032-0.0038%；Ti:0.022-0.028%；Nb:0.23-
0.27%；V:0.17-0.19%；P≤0.02%；S≤0.01%；Clout is Fe.
Preferably, the percentage by weight of its each component is as follows: C:1.2%；Si:0.6%；Mn:1.3%；Cr:13%；Ni:
0.04%；Mo:0.11%；W:0.2%；Al:0.09%；Cu:0.15%；B:0.0035%；Ti:0.025%；Nb:0.25%；
V:0.18%；P≤0.02%；S≤0.01%；Clout is Fe.
The invention allows for the preparation method of above-mentioned high-chromium wear-resistant steel ball, comprise the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 550-650 DEG C, be incubated 1-2h, be warming up to 800-850
DEG C, it is incubated 20-30min, is warming up to 1040-1070 DEG C, by water quenching, is warming up to 250-300 DEG C, be incubated 4-6h, be cooled to room
Temperature obtains high-chromium wear-resistant steel ball.
Preferably, in S1, the temperature of tapping casting is 1500-1600 DEG C.
Preferably, in S2, take the spherical foundry goods obtained in S1, be warming up to 550-650 DEG C, be incubated 1-2h, with 5-7 DEG C/
The speed of min is warming up to 800-850 DEG C, is incubated 20-30min, is warming up to 1040-1070 DEG C with the speed of 7-9 DEG C/min, uses water
Quenching, is warming up to 250-300 DEG C, is incubated 4-6h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
Preferably, in S2, the temperature of quenching water is 40-60 DEG C.
The present invention is by limiting the relational expression of Nb+10.3 (C/Cr) ＜ 1.55% so that Nb, C, Cr cooperate, mutually
Coordinate, improve the temperature of austenitizing of the present invention, crystal grain thinning, while adding the wearability of the present invention, hardness, increase
Add the toughness of the present invention, it is to avoid high chrome ball toughness is low, the problem of easy fragmentation；And Nb, C, Cr and Mn, Mo, B, Ti, W
Cooperate, improve form and the distribution of carbide in steel ball, be that carbide is uniformly distributed, increase the quenching degree of the present invention, from
And increase the hardness of the present invention, wearability and toughness further；Each element cooperates, and increases temper resistance, suppresses crystal grain
Roughening, reaches the purpose of crystal grain thinning, increases the mechanical performance of the present invention further；And coordinate suitable preparation technology to make this
Invention has good wearability, toughness, impact resistance and hardness.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: C:1%；Si:0.7%；Mn:1.2%；Cr:
14%；Ni:0.03%；Mo:0.12%；W:0.1%；Al:0.1%；Cu:0.1%；B:0.004%；Ti:0.02%；Nb:
0.3%；V:0.15%；P:0.02%；S:0.01%；Clout is Fe；
Wherein, Nb+10.3 (C/Cr)=1.04%.
The preparation method of above-mentioned high-chromium wear-resistant steel ball, comprises the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and the temperature of tapping casting is 1600 DEG C, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 550 DEG C, is incubated 2h, heats up with the speed of 5 DEG C/min
To 850 DEG C, it is incubated 20min, is warming up to 1040 DEG C with the speed of 9 DEG C/min, by the water quenching that temperature is 60 DEG C, is warming up to 250
DEG C, it is incubated 6h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
Embodiment 2
A kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: C:1.5%；Si:0.5%；Mn:1.4%；
Cr:12%；Ni:0.05%；Mo:0.1%；W:0.3%；Al:0.08%；Cu:0.2%；B:0.003%；Ti:0.03%；Nb:
0.2%；V:0.2%；P:0.015%；S:0.008%；Clout is Fe；
Wherein, Nb+10.3 (C/Cr)=1.49%.
The preparation method of above-mentioned high-chromium wear-resistant steel ball, comprises the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and the temperature of tapping casting is 1500 DEG C, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 650 DEG C, is incubated 1h, heats up with the speed of 7 DEG C/min
To 800 DEG C, it is incubated 30min, is warming up to 1070 DEG C with the speed of 7 DEG C/min, by the water quenching that temperature is 40 DEG C, is warming up to 300
DEG C, it is incubated 4h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
Embodiment 3
A kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: C:1.1%；Si:0.65%；Mn:
1.25%；Cr:13.5%；Ni:0.035%；Mo:0.115%；W:0.15%；Al:0.095%；Cu:0.12%；B:
0.0038%；Ti:0.022%；Nb:0.27%；V:0.17%；P:0.013%；S:0.006%；Clout is Fe；
Wherein, Nb+10.3 (C/Cr)=1.11%.
The preparation method of above-mentioned high-chromium wear-resistant steel ball, comprises the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and the temperature of tapping casting is 1580 DEG C, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 570 DEG C, is incubated 1.8h, with the speed of 5.5 DEG C/min
It is warming up to 840 DEG C, is incubated 22min, is warming up to 1050 DEG C with the speed of 8.5 DEG C/min, by the water quenching that temperature is 55 DEG C, heat up
To 260 DEG C, it is incubated 5.5h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
Embodiment 4
A kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: C:1.3%；Si:0.55%；Mn:
1.35%；Cr:12.5%；Ni:0.045%；Mo:0.105%；W:0.25%；Al:0.085%；Cu:0.18%；B:
0.0032%；Ti:0.028%；Nb:0.23%；V:0.19%；P:0.016%；S:0.005%；Clout is Fe；
Wherein, Nb+10.3 (C/Cr)=1.3%.
The preparation method of above-mentioned high-chromium wear-resistant steel ball, comprises the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and the temperature of tapping casting is 1520 DEG C, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 630 DEG C, is incubated 1.2h, with the speed of 6.5 DEG C/min
It is warming up to 820 DEG C, is incubated 28min, is warming up to 1060 DEG C with the speed of 7.5 DEG C/min, by the water quenching that temperature is 45 DEG C, heat up
To 280 DEG C, it is incubated 4.5h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
Embodiment 5
A kind of high-chromium wear-resistant steel ball, the percentage by weight of its each component is as follows: C:1.2%；Si:0.6%；Mn:1.3%；
Cr:13%；Ni:0.04%；Mo:0.11%；W:0.2%；Al:0.09%；Cu:0.15%；B:0.0035%；Ti:
0.025%；Nb:0.25%；V:0.18%；P:0.01%；S:0.005%；Clout is Fe；
Wherein, Nb+10.3 (C/Cr)=1.2%.
The preparation method of above-mentioned high-chromium wear-resistant steel ball, comprises the steps:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjustment
Composition meets above-mentioned scope, tapping casting, and the temperature of tapping casting is 1550 DEG C, and air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 600 DEG C, is incubated 1.5h, with the speed liter of 6 DEG C/min
Temperature, to 830 DEG C, is incubated 25min, is warming up to 1055 DEG C with the speed of 8 DEG C/min, by the water quenching that temperature is 50 DEG C, is warming up to
270 DEG C, it is incubated 5h, is cooled to room temperature and obtains high-chromium wear-resistant steel ball.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. a high-chromium wear-resistant steel ball, it is characterised in that the percentage by weight of its each component is as follows: C:1-1.5%；Si:0.5-
0.7%；Mn:1.2-1.4%；Cr:12-14%；Ni:0.03-0.05%；Mo:0.1-0.12%；W:0.1-0.3%；Al:
0.08-0.1%；Cu:0.1-0.2%；B:0.003-0.004%；Ti:0.02-0.03%；Nb:0.2-0.3%；V:0.15-
0.2%；P≤0.02%；S≤0.01%；Clout is Fe；
Wherein, the expression formula of " Nb+10.3 (C/Cr) ＜ 1.55% " is met.
High-chromium wear-resistant steel ball the most according to claim 1, it is characterised in that the percentage by weight of its each component is as follows: C:
1.1-1.3%；Si:0.55-0.65%；Mn:1.25-1.35%；Cr:12.5-13.5%；Ni:0.035-0.045%；Mo:
0.105-0.115%；W:0.15-0.25%；Al:0.085-0.095%；Cu:0.12-0.18%；B:0.0032-
0.0038%；Ti:0.022-0.028%；Nb:0.23-0.27%；V:0.17-0.19%；P≤0.02%；S≤0.01%；Remaining
Material is Fe.
High-chromium wear-resistant steel ball the most according to claim 1 or claim 2, it is characterised in that the percentage by weight of its each component is as follows: C:
1.2%；Si:0.6%；Mn:1.3%；Cr:13%；Ni:0.04%；Mo:0.11%；W:0.2%；Al:0.09%；Cu:
0.15%；B:0.0035%；Ti:0.025%；Nb:0.25%；V:0.18%；P≤0.02%；S≤0.01%；Clout is Fe.
4. the preparation method of high-chromium wear-resistant steel ball as described in any one of claim 1-3, it is characterised in that include walking as follows
Rapid:
S1, melting and casting: by smelting scrap steel, add carbon, silicon, manganese, chromium, nickel, molybdenum, tungsten, aluminum, copper, boron, titanium, niobium, vanadium adjusting component
Meeting above-mentioned scope, tapping casting, air cooling obtains spherical foundry goods；
S2, heat treatment: take the spherical foundry goods obtained in S1, be warming up to 550-650 DEG C, be incubated 1-2h, be warming up to 800-850 DEG C,
Insulation 20-30min, is warming up to 1040-1070 DEG C, by water quenching, is warming up to 250-300 DEG C, is incubated 4-6h, is cooled to room temperature and obtains
To high-chromium wear-resistant steel ball.
The preparation method of high-chromium wear-resistant steel ball the most according to claim 4, it is characterised in that in S1, the temperature of tapping casting
Degree is for 1500-1600 DEG C.
6. according to the preparation method of high-chromium wear-resistant steel ball described in claim 4 or 5, it is characterised in that in S2, take in S1 and obtain
Spherical foundry goods, be warming up to 550-650 DEG C, be incubated 1-2h, be warming up to 800-850 DEG C with the speed of 5-7 DEG C/min, be incubated 20-
30min, is warming up to 1040-1070 DEG C with the speed of 7-9 DEG C/min, by water quenching, is warming up to 250-300 DEG C, is incubated 4-6h, cold
But high-chromium wear-resistant steel ball is obtained to room temperature.
7. according to the preparation method of high-chromium wear-resistant steel ball described in any one of claim 4-6, it is characterised in that in S2, quenching
It is 40-60 DEG C by the temperature of water.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106868421A (en) * | 2016-12-28 | 2017-06-20 | 芜湖市永帆精密模具科技有限公司 | A kind of chromium cracking resistance abrasion-proof steel ball high and preparation method thereof |
| CN107828943A (en) * | 2017-11-25 | 2018-03-23 | 铜陵市明诚铸造有限责任公司 | A kind of High chromium alloy wear-resistance steel ball and preparation method thereof |
| CN107914020A (en) * | 2017-11-14 | 2018-04-17 | 江苏飞腾铸造机械有限公司 | A kind of ball blast technique of the preparation method and application of the shot shot |
| CN110129679A (en) * | 2019-06-13 | 2019-08-16 | 宁国市华丰耐磨材料有限公司 | A kind of high-chromium alloy cast ball and preparation method thereof |
| CN111534737A (en) * | 2020-06-16 | 2020-08-14 | 云南昆钢耐磨材料科技股份有限公司 | High-hardness wear-resistant corrosion-resistant steel ball and preparation method thereof |
| CN114836689A (en) * | 2022-04-25 | 2022-08-02 | 宁国东方碾磨材料股份有限公司 | High-chromium wear-resistant steel ball and preparation method thereof |
| CN115029616A (en) * | 2022-08-11 | 2022-09-09 | 垣曲县晋锋机械铸造有限公司 | Heat-resistant, wear-resistant and corrosion-resistant iron casting |
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