CN104561761A - High-chromium wear resistant steel ball - Google Patents
High-chromium wear resistant steel ball Download PDFInfo
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- CN104561761A CN104561761A CN201410853592.1A CN201410853592A CN104561761A CN 104561761 A CN104561761 A CN 104561761A CN 201410853592 A CN201410853592 A CN 201410853592A CN 104561761 A CN104561761 A CN 104561761A
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- Prior art keywords
- steel ball
- resistant steel
- chromium
- chromium wear
- obtains
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 41
- 239000011651 chromium Substances 0.000 title claims abstract description 41
- 239000010959 steel Substances 0.000 title claims abstract description 41
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010936 titanium Substances 0.000 claims abstract description 18
- 238000005266 casting Methods 0.000 claims abstract description 17
- 239000011572 manganese Substances 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 229910000617 Mangalloy Inorganic materials 0.000 claims abstract description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 8
- 239000011733 molybdenum Substances 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 239000010937 tungsten Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 14
- 238000010079 rubber tapping Methods 0.000 claims description 14
- 238000005496 tempering Methods 0.000 claims description 14
- 238000009933 burial Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 238000007669 thermal treatment Methods 0.000 claims description 7
- 238000003723 Smelting Methods 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
Abstract
The invention discloses a high-chromium wear resistant steel ball which comprises the following components in percentage by mass: 2.2-2.4% of C, 10-13% of Cr, 0.3-0.4% of Mn, 0.3-0.4% of Si, 0-0.15% of P, 0-0.15% of S, 0.7-0.8% of W, 0.04-0.05% of Ti, 0.01-0.02% of Ni, 0.20-0.24% of Al, 0.16-0.22% of Mo and the balance of Fe. A preparation process for preparing the high-chromium wear resistant steel ball according to the ratio of the components comprises the following steps: S1, smelting and casting: adopting scrap steel, chromium steel, manganese steel, molybdenum, tungsten, nickel and titanium as raw materials, smelting, adjusting the components to meet the range, discharging at the temperature of 1600-1700 DEG C and casting to obtain a casting, and performing air cooling; S2: performing heat treatment so as to obtain a wear resistant part green body; S3, performing surface treatment: polishing the surface of the green body obtained in the S2 so as to obtain the high-chromium wear resistant steel ball.
Description
Technical field
The invention belongs to wear-proof technique field, particularly relate to a kind of high-chromium wear-resistant steel ball.
Background technology
Ball mill is one of widely used Super-fine grinder machinery in industrial production.Wearing piece is ball mill equipment grinding material medium, and producing mill stripping effect by collision friction between wearing piece, between wearing piece and material, is important base parts and components, and it is widely used in the production process in mine, cement mill and power station.In prior art, wearing piece also cannot meet performance requirement completely, and wear resisting property and the work-ing life of how to improve raising wearing piece are the technical problems that those skilled in the art need solution badly.
Summary of the invention
Described in background technology, the invention provides a kind of high-chromium wear-resistant steel ball, its wear resisting property and corrosion resistance and good, long service life.
A kind of high-chromium wear-resistant steel ball that the present invention proposes, comprises the component of following massfraction: C:2.2-2.4%; Cr:10-13%; Mn:0.3-0.4%; Si:0.3-0.4%; P:0-0.15%; S:0-0.15%; W:0.7-0.8%; Ti:0.04-0.05%; Ni:0.01-0.02%; Al:0.20-0.24%; Mo:0.16-0.22%; Surplus is Fe;
In preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1600-1700 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace at 860-880 DEG C of insulation 2-3 hour, water-cooled, move at 220-230 DEG C in tempering stove, carry out tempering 1-2 hour, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
Preferably, the component of following massfraction is comprised: C:2.23-2.36%; Cr:11-13%; Mn:0.34-0.38%; Si:0.31-0.36%; P:0-0.15%; S:0-0.15%; W:0.72-0.77%; Ti:0.04-0.05%; Ni:0.01-0.02%; Al:0.20-0.24%; Mo:0.16-0.22%; Surplus is Fe.
Preferably, the component of following massfraction is comprised: C:2.3%; Cr:12%; Mn:0.36%; Si:0.34%; P:0-0.15%; S:0-0.15%; W:0.75%; Ti:0.045%; Ni:0.013%; Al:0.22%; Mo:0.20%; Surplus is Fe.
Preferably, in preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1680 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace 870 DEG C of insulations 2.6 hours, water-cooled, move at 224 DEG C in tempering stove, carry out tempering 1.8 hours, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
In the present invention, by carrying out choose reasonable to the component of high-chromium wear-resistant steel ball, and adopt proper step to be prepared, the components matching of wearing piece and preparation technology are considered, and the content of control P, S two kinds of impurity, simultaneously when in steel ball, chrome content reaches certain proportion, oxygen effect in chromium and corrosive medium, the very thin oxide film of one deck (self-passivation film) is formed at steel ball surface, the matrix of steel ball can be stoped to corrode further, improve wear resisting property and the corrosion resistance nature of wearing piece, extend work-ing life.
Embodiment
Below in conjunction with specific examples, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
Embodiment 1
A kind of high-chromium wear-resistant steel ball, comprises the component of following massfraction: C:2.3%; Cr:12%; Mn:0.36%; Si:0.34%; P:0.15%; S:0.15%; W:0.75%; Ti:0.045%; Ni:0.013%; Al:0.22%; Mo:0.20%; Surplus is Fe;
In preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1680 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace 870 DEG C of insulations 2.6 hours, water-cooled, move at 224 DEG C in tempering stove, carry out tempering 1.8 hours, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
Embodiment 2
A kind of high-chromium wear-resistant steel ball, comprises the component of following massfraction: C:2.4%; Cr:10%; Mn:0.4%; Si:0.3%; P:0.15%; S:0.15%; W:0.8%; Ti:0.04%; Ni:0.02%; Al:0.20%; Mo:0.22%; Surplus is Fe;
In preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1600 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace 880 DEG C of insulations 2 hours, water-cooled, move at 230 DEG C in tempering stove, carry out tempering 1 hour, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
Embodiment 3
A kind of high-chromium wear-resistant steel ball, comprises the component of following massfraction: C:2.2%; Cr:13%; Mn:0.3%; Si:0.4%; P:0.15%; S:0.15%; W:0.7%; Ti:0.05%; Ni:0.01%; Al:0.24%; Mo:0.16%; Surplus is Fe;
In preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1700 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace 860 DEG C of insulations 3 hours, water-cooled, move at 220 DEG C in tempering stove, carry out tempering 2 hours, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a high-chromium wear-resistant steel ball, is characterized in that, comprises the component of following massfraction: C:2.2-2.4%; Cr:10-13%; Mn:0.3-0.4%; Si:0.3-0.4%; P:0-0.15%; S:0-0.15%; W:0.7-0.8%; Ti:0.04-0.05%; Ni:0.01-0.02%; Al:0.20-0.24%; Mo:0.16-0.22%; Surplus is Fe;
In preparation process, according to the proportioning of above-mentioned each component, prepare described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1600-1700 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace at 860-880 DEG C of insulation 2-3 hour, water-cooled, move at 220-230 DEG C in tempering stove, carry out tempering 1-2 hour, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
2. high-chromium wear-resistant steel ball according to claim 1, is characterized in that, comprises the component of following massfraction: C:2.23-2.36%; Cr:11-13%; Mn:0.34-0.38%; Si:0.31-0.36%; P:0-0.15%; S:0-0.15%; W:0.72-0.77%; Ti:0.04-0.05%; Ni:0.01-0.02%; Al:0.20-0.24%; Mo:0.16-0.22%; Surplus is Fe.
3. high-chromium wear-resistant steel ball according to claim 2, is characterized in that, comprises the component of following massfraction: C:2.3%; Cr:12%; Mn:0.36%; Si:0.34%; P:0-0.15%; S:0-0.15%; W:0.75%; Ti:0.045%; Ni:0.013%; Al:0.22%; Mo:0.20%; Surplus is Fe.
4. the high-chromium wear-resistant steel ball according to any one of claim 1-3, is characterized in that, in preparation process, according to the proportioning of above-mentioned each component, prepares described high-chromium wear-resistant steel ball according to the following steps:
S1: melting and casting: adopt steel scrap, chromium steel, manganese steel, molybdenum, tungsten, nickel, titanium to be raw material, melting, adjusting component meets above-mentioned scope, tapping casting, and tapping temperature is 1680 DEG C, obtains foundry goods, air cooling;
S2: thermal treatment: the foundry goods obtained in S1 is put into holding furnace 870 DEG C of insulations 2.6 hours, water-cooled, move at 224 DEG C in tempering stove, carry out tempering 1.8 hours, immigration burial pit progressively cools to room temperature, obtains wearing piece base substrate;
S3: surface treatment: the billet surface obtained in S2 polished, obtains high-chromium wear-resistant steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853592.1A CN104561761B (en) | 2014-12-31 | 2014-12-31 | A kind of high-chromium wear-resistant steel ball |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410853592.1A CN104561761B (en) | 2014-12-31 | 2014-12-31 | A kind of high-chromium wear-resistant steel ball |
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| Publication Number | Publication Date |
|---|---|
| CN104561761A true CN104561761A (en) | 2015-04-29 |
| CN104561761B CN104561761B (en) | 2017-08-29 |
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| CN201410853592.1A Active CN104561761B (en) | 2014-12-31 | 2014-12-31 | A kind of high-chromium wear-resistant steel ball |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710613A (en) * | 2013-09-25 | 2014-04-09 | 宁国市正兴耐磨材料有限公司 | High chromium alloy wear-resistance steel ball |
| CN104109798A (en) * | 2014-08-01 | 2014-10-22 | 宁国市南方耐磨材料有限公司 | High-Cr abrasion-resistant cast iron steel ball |
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2014
- 2014-12-31 CN CN201410853592.1A patent/CN104561761B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103710613A (en) * | 2013-09-25 | 2014-04-09 | 宁国市正兴耐磨材料有限公司 | High chromium alloy wear-resistance steel ball |
| CN104109798A (en) * | 2014-08-01 | 2014-10-22 | 宁国市南方耐磨材料有限公司 | High-Cr abrasion-resistant cast iron steel ball |
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| CN104561761B (en) | 2017-08-29 |
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Effective date of registration: 20180927 Address after: 244000 4088 middle section of Tong Du Avenue, suburb of Tongling, Anhui Patentee after: TONGLING SANSHENG ELECTRONICS CO.,LTD. Address before: 242316 Qinglong village, Qinglong Township, Ningguo City, Xuancheng, Anhui Patentee before: NINGGUO SHUANGLIN INDUSTRY AND TRADE Co.,Ltd. |
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Effective date of registration: 20231102 Address after: 242300 Heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Anhui New High-tech Steel Ball Group Co.,Ltd. Address before: 244000 4088 middle section of Tong Du Avenue, suburb of Tongling, Anhui Patentee before: TONGLING SANSHENG ELECTRONICS CO.,LTD. |
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