CN107723550A - A kind of stellite steel ball and preparation method thereof - Google Patents
A kind of stellite steel ball and preparation method thereof Download PDFInfo
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- CN107723550A CN107723550A CN201711100831.6A CN201711100831A CN107723550A CN 107723550 A CN107723550 A CN 107723550A CN 201711100831 A CN201711100831 A CN 201711100831A CN 107723550 A CN107723550 A CN 107723550A
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- Prior art keywords
- steel ball
- steel
- stellite
- chromium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
Abstract
The invention belongs to metallurgical technology field, specifically discloses a kind of special stellite steel ball, and its component includes Q235 wolfram steel, steel alloy steel cuttings, carburant, boron chromium, zirconium silicochromium, magnalium calcium alloy and yttrium-base heavy rare earth silicochromium.And carry out electro-smelting technique and prepare stellite steel ball, obtained stellite steel ball cost is low, wearability is good, is adapted to large-scale industrial application.
Description
Technical field
The invention belongs to metallurgical technology field, specifically discloses special a kind of stellite steel ball and preparation method thereof.
Background technology
Steel ball improves year by year to material requirements with the development of science and technology, and alloy steel ball is to be widely used in mine, smelting
The main consumable accessory of the industry such as gold, building materials and electric power, the only domestic consumption to alloy are up to 3,000,000 tons/year or so, international market
For steel ball consumption more than 1,000,000 tons/year, huge consumption causes the attention of people's height.Reduce alloy steel ball consumption
With it is broken, be always one of focus studied both at home and abroad.Domestic and international widely used alloy steel ball has low-alloy steel cast ball, alloy
Steel forging rolls ball etc., but due to the contradiction for failing to solve between abrading-ball hardness and toughness, quenching degree and alloying element content very well, causes
It is set to fail to be widely popularized and applied always.Therefore development and production simple process, cost is low, wearability is good, percentage of damage is low
Abrading-ball, be people pursue target.
The content of the invention
The purpose of the present invention is：Research and develop a kind of Yttrium base rare earth silicon stellite steel ball and preparation method thereof, this steel ball into
This is low, the easy suitable large-scale industrial application of the good its preparation method of wearability.
The technical scheme is that：（One）A kind of stellite steel ball, the alloy steel ball include down by mass percentage
State component：Q235 wolfram steel 86.0~87.0%, steel alloy steel cuttings 5.0~5.5%, carburant 3.0~3.2%, boron chromium 4.0
~4.5%, zirconium silicochromium 0.20~0.25%, magnalium calcium alloy 0.35~0.45% and yttrium-base heavy rare earth silicochromium
0.12~0.15%, above-mentioned each component sum is absolutely.
The Q235 wolfram steel is by mass percentage comprising composition：C 0.14~0.22%, Mn 0.30~0.65%,
Si≤0.30%, S≤0.050%, P≤0.045%, surplus are tungsten.
The steel alloy steel cuttings is by mass percentage comprising composition：C≤0.12%, Si≤1.00%, Mn≤2.00%,
S≤0.030%, P≤0.035%, Ni8.00~11.00%, Ti≤0.80%, surplus are chromium.
The carburant is by mass percentage comprising composition：Ash content≤0.8%, volatile matter≤0.5%, moisture≤
0.5%th, S≤0.02%, surplus are chromium.
The boron chromium is by mass percentage comprising composition：B 17.0~19.0%, C ＜ 0.5%, Si ＜
3.5%th, surplus is chromium.
The zirconium silicochromium is by mass percentage comprising composition：Zr 45~55%, Si 35~40%, C ＜
0.1%th, S ＜ 0.05%, P ＜ 0.05%, surplus are chromium.
The magnalium calcium alloy is by mass percentage comprising composition：Al 50~55%, Ca 4~5%, Mg 1.5~
2.0% and the chromium of surplus.
The yttrium-base heavy rare earth silicochromium is by mass percentage comprising composition：RE 40~45%, Si35~
40%th, Ca 5~8%, surplus are chromium.
（Two）A kind of preparation method for being used to manufacture stellite steel ball, the preparation method uses electro-smelting, by above-mentioned
Ratio is as follows comprising step（1）Q235 wolfram steel, steel alloy steel cuttings and carburant Hybrid Heating are melted, tungsten aqueous fusion thermometric rear clearly,
When tungsten coolant-temperature gage reaches 1480~1500 DEG C, boron chromium is added；When tungsten coolant-temperature gage reaches 1500~1520 DEG C, add
Enter magnalium calcium alloy, insulation is come out of the stove after 1~3 minute；（2）During tungsten water is come out of the stove, when tungsten water comes out of the stove 1/3~1/2
When, yttrium-based heavy rare earth ferro-silicon alloy and zirconium silicochromium are wrapped with stalloy of the thickness less than 1mm, adds and pours with tungsten current
Bag；（3）When temperature is down to 1400~1420 DEG C, steel ball is poured into metal mold；（4）Steel ball is through polishing and clearing up
After be heat-treated, be heat-treated 550~600 DEG C of heating-up temperature, be incubated 6~10 hours, go out when being then furnace-cooled to 500 DEG C
Stove enters burial pit, and being air-cooled to room temperature when abrading-ball surface temperature is less than 150 DEG C can be prepared by the stellite steel ball.
Beneficial effect：1st, the present patent application provide technique it is simple, cost it is cheap prepare Yttrium base rare earth silicon stellite
Method can significantly improve the hardness and toughness properties of stellite, industrially be widely used；2nd, the tungsten of the present patent application
Evanohm has good antioxygenic property, decay resistance；3rd, the stellite steel ball of the present patent application has excellent resistance to
Mill property, fatigue behaviour are good, and ball consumption is low, and steel ball of the invention is applied to grinding iron ore, coal dust and clinker, during use
Occur without broken ball phenomenon.
Brief description of the drawings
Fig. 1 is the transmission electron microscope picture of stellite；Fig. 2 is the X-ray diffraction of tungstic acid（XRD）Figure；Fig. 3 closes for tungsten chromium
The elementary analysis figure of gold.
Embodiment
Embodiment 1, a kind of stellite steel ball involved in the present invention, it is comprising composition and its mass percent：Q235
Wolfram steel 87.0%, steel alloy steel cuttings 5.0%, carburant 3.2%, boron chromium 4.0%, zirconium silicochromium 0.25%, magnesium-aluminum-calcium
Alloy 0.40%, yttrium-base heavy rare earth silicochromium 0.15%.The Q235 wolfram steel is by mass percentage comprising composition：C
0.22%th, Mn 0.30%, Si 0.30%, S 0.01%, P 0.045%, surplus are tungsten；The steel alloy steel cuttings includes composition
It is by mass percentage：C0.12%, Si0.1%, Mn2.0%, S0.01%, P0.035%, Ni11.00%, Ti0.1% are remaining
Measure as tungsten；The carburant is by mass percentage comprising composition：Fixed carbon 99.5%, ash content 0.1%, volatile matter
0.3%, moisture 0.09%, S 0.01%；The boron chromium is by mass percentage comprising composition：B 19.0%, C 0.1%,
Si 3.4%, surplus are chromium；The magnalium calcium alloy is by mass percentage comprising composition：Al 55%, Ca 4%, Mg
2.0%, surplus is chromium；The yttrium-base heavy rare earth silicochromium is by mass percentage comprising composition：RE45%, Si 35%,
Ca 8%, surplus are chromium；The zirconium silicochromium is by mass percentage comprising composition：Zr 55%, Si 35%, C
0.08%, S 0.01%, P0.04%, surplus are chromium.
Electro-smelting is carried out according to the above ratio and prepares stellite steel ball, and concrete technology step is as follows：（1）By Q235 tungsten
Steel, steel alloy steel cuttings and the fusing of carburant Hybrid Heating, tungsten aqueous fusion thermometric rear clearly, when tungsten coolant-temperature gage reaches 1497 DEG C, add
Enter boron chromium, when tungsten coolant-temperature gage reaches 1519 DEG C, add magnalium calcium alloy, insulation is come out of the stove after 3 minutes.（2）Tungsten water was come out of the stove
Cheng Zhong, when tungsten water come out of the stove 1/3~1/2 when, wrap yttrium-base heavy rare earth silicochromium with thickness 0.50mm stalloy
With zirconium silicochromium, casting ladle is added with tungsten current.（3）When tungsten coolant-temperature gage is down to 1419 DEG C, poured into metal mold straight
Footpath Φ 130mm abrading-ball.（4）Abrading-ball is heat-treated after polishing and cleaning, is heat-treated 600 DEG C of heating-up temperature, insulation 6
Hour, come out of the stove when being then furnace-cooled to 500 DEG C into burial pit, room temperature is air-cooled to when abrading-ball surface temperature is less than 150 DEG C
Stellite steel ball is made.
Embodiment 2, a kind of stellite steel ball, it is comprising component and its mass percent：Q235 wolfram steel 86.0, alloy
Steel steel cuttings 5.5%, carburant 3.2%, boron chromium 4.5%, zirconium silicochromium 0.25%, magnalium calcium alloy 0.45%, yttrium base
Heavy rare earth silicochromium 0.15%.Wherein described Q235 wolfram steel is by mass percentage comprising composition：C 0.14%,
Mn0.30%, Si≤0.30%, S≤0.050%, P≤0.045%, surplus is tungsten；The steel alloy steel cuttings include into
Divide and be by mass percentage：C≤0.12%, Si≤1.0%, Mn≤2.0%, S≤0.03%, P≤0.035%, Ni8.00~
11.00%th, Ti≤0.80%, surplus are tungsten；The carburant is by mass percentage comprising composition：Fixed carbon 98.5~
99.5%, ash content≤0.8%, volatile matter≤0.5%, moisture≤0.5%, S≤0.02%；The boron chromium is pressed comprising composition
Mass percent is：B 17.0~19.0%, C ＜ 0.5%, Si ＜ 3.5%, surplus is chromium；The magnalium calcium alloy include into
Divide and be by mass percentage：Al 50~55%, Ca 4~5%, Mg 1.5~2.0%, surplus are tungsten；The yttrium-base heavy rare earth
Silicochromium is by mass percentage comprising composition：RE 40~45%, Si 35~40%, Ca5~8%, surplus are chromium.It is described
Zirconium silicochromium is by mass percentage comprising composition：Zr 45~55%, Si35~40%, C ＜ 0.1%, S ＜ 0.05%,
P ＜ 0.05%, surplus are chromium.
Electro-smelting is carried out according to the above ratio and prepares stellite steel ball, and concrete technology step is as follows：（1）By wolfram steel, 5.0
~5.5% steel alloy steel cuttings and carburant Hybrid Heating fusing, tungsten aqueous fusion clearly after thermometric, when molten iron temperature reaches 1480~
At 1500 DEG C, boron chromium is added；When tungsten coolant-temperature gage reaches 1500~1520 DEG C, magnalium calcium alloy is added, after being incubated 1~3 minute
Come out of the stove；（2）During tungsten water is come out of the stove, when tungsten water come out of the stove 1/3~1/2 when, wrap yttrium base less than 1mm stalloy with thickness
Heavy rare earth silicochromium and zirconium silicochromium, casting ladle is added with tungsten current；（3）When tungsten coolant-temperature gage is down to 1400~1420 DEG C,
Steel ball is poured into metal mold；（4）Steel ball is heat-treated after polishing and cleaning, and heat treatment heating-up temperature 550~
600 DEG C, 6~10 hours are incubated, is come out of the stove when being then furnace-cooled to 500 DEG C into burial pit, when steel ball surface temperature is less than 150 DEG C
It is air-cooled to room temperature and can be prepared by stellite steel ball.
Conclusion：Simple by a kind of technique, the cheap method for preparing Yttrium base rare earth silicon stellite of cost can be notable
Improve the hardness and toughness properties of stellite.
Claims (9)
- A kind of 1. stellite steel ball, it is characterised in that：The alloy steel ball includes following components by mass percentage：Q235 wolfram steel 86.0~87.0%, steel alloy steel cuttings 5.0~5.5%, carburant 3.0~3.2%, boron chromium 4.0~4.5%, zirconium silicochromium close Gold 0.20~0.25%, magnalium calcium alloy 0.35~0.45% and yttrium-base heavy rare earth silicochromium 0.12~0.15%, it is above-mentioned Each component sum is absolutely.
- A kind of 2. stellite steel ball according to claim 1, it is characterised in that：The Q235 wolfram steel include into Divide and be by mass percentage：C 0.14~0.22%, Mn 0.30~0.65%, Si≤0.30%, S≤0.050%, P≤0.045%, surplus are tungsten.
- A kind of 3. stellite steel ball according to claim 1, it is characterised in that：The steel alloy steel cuttings includes composition It is by mass percentage：C≤0.12%, Si≤1.00%, Mn≤2.00%, S≤0.030%, P≤0.035%, Ni8.00~ 11.00%th, Ti≤0.80%, surplus are chromium.
- A kind of 4. stellite steel ball according to claim 1, it is characterised in that：The carburant presses matter comprising composition Measuring percentage is：Ash content≤0.8%, volatile matter≤0.5%, moisture≤0.5%, S≤0.02%, surplus are chromium.
- A kind of 5. stellite steel ball according to claim 1, it is characterised in that：The boron chromium presses quality comprising composition Percentage is：B 17.0~19.0%, C ＜ 0.5%, Si ＜ 3.5%, surplus are chromium.
- A kind of 6. stellite steel ball according to claim 1, it is characterised in that：The zirconium silicochromium includes composition It is by mass percentage：Zr 45~55%, Si 35~40%, C ＜ 0.1%, S ＜ 0.05%, P ＜ 0.05%, Surplus is chromium.
- A kind of 7. stellite steel ball according to claim 1, it is characterised in that：The magnalium calcium alloy includes composition It is by mass percentage：Al 50~55%, Ca 4~5%, the chromium of Mg 1.5~2.0% and surplus.
- A kind of 8. stellite steel ball according to claim 1, it is characterised in that：The yttrium-base heavy rare earth silicochromium It is by mass percentage comprising composition：RE 40~45%, Si35~40%, Ca 5~8%, surplus are chromium.
- A kind of a kind of 9. preparation method of stellite steel ball for described in manufacturing claims 1, it is characterised in that the system Preparation Method uses electro-smelting, as follows comprising step in the ratio described in claim 1（1）By Q235 wolfram steel, steel alloy steel cuttings Melted with carburant Hybrid Heating, tungsten aqueous fusion thermometric rear clearly, when tungsten coolant-temperature gage reaches 1480~1500 DEG C, add boron chromium ；When tungsten coolant-temperature gage reaches 1500~1520 DEG C, magnalium calcium alloy is added, insulation is come out of the stove after 1~3 minute；（2） During tungsten water is come out of the stove, when tungsten water come out of the stove 1/3~1/2 when, with thickness less than 1mm stalloy wrap yttrium base weight it is dilute Native Antaciron and zirconium silicochromium, casting ladle is added with molten iron stream；（3）When temperature is down to 1400~1420 DEG C, in metal Steel ball is poured into casting mold；（4）Steel ball is heat-treated after polishing and cleaning, is heat-treated 550~600 DEG C of heating-up temperature, Insulation 6~10 hours, comes out of the stove when being then furnace-cooled to 500 DEG C into burial pit, the air cooling when abrading-ball surface temperature is less than 150 DEG C The stellite steel ball is can be prepared by room temperature.
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| CN201711100831.6A CN107723550A (en) | 2017-11-10 | 2017-11-10 | A kind of stellite steel ball and preparation method thereof |
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| CN201711100831.6A CN107723550A (en) | 2017-11-10 | 2017-11-10 | A kind of stellite steel ball and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527888A (en) * | 2019-08-22 | 2019-12-03 | 徐州东坤耐磨材料有限公司 | The production method of high-hardenability steel ball |
| CN110592464A (en) * | 2019-08-22 | 2019-12-20 | 徐州东坤耐磨材料有限公司 | Manufacturing process of high-wear-resistance alloy steel ball |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388811A (en) * | 2014-10-23 | 2015-03-04 | 天津迅铭科技发展股份有限公司 | Multi-element alloy cast iron grinding ball and preparation method thereof |
| CN105821273A (en) * | 2016-05-31 | 2016-08-03 | 南昌航空大学 | High temperature resisting tungsten-molybdenum alloy and preparation method thereof |
-
2017
- 2017-11-10 CN CN201711100831.6A patent/CN107723550A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104388811A (en) * | 2014-10-23 | 2015-03-04 | 天津迅铭科技发展股份有限公司 | Multi-element alloy cast iron grinding ball and preparation method thereof |
| CN105821273A (en) * | 2016-05-31 | 2016-08-03 | 南昌航空大学 | High temperature resisting tungsten-molybdenum alloy and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527888A (en) * | 2019-08-22 | 2019-12-03 | 徐州东坤耐磨材料有限公司 | The production method of high-hardenability steel ball |
| CN110592464A (en) * | 2019-08-22 | 2019-12-20 | 徐州东坤耐磨材料有限公司 | Manufacturing process of high-wear-resistance alloy steel ball |
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Application publication date: 20180223 |
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