CN104561808B - A kind of low chromium abrasion-proof steel balls of Φ 40 - Google Patents
A kind of low chromium abrasion-proof steel balls of Φ 40 Download PDFInfo
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- CN104561808B CN104561808B CN201410850786.6A CN201410850786A CN104561808B CN 104561808 B CN104561808 B CN 104561808B CN 201410850786 A CN201410850786 A CN 201410850786A CN 104561808 B CN104561808 B CN 104561808B
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Abstract
The invention discloses a kind of low chromium abrasion-proof steel balls of Φ 40, it contains following component as mass fraction：C：2.8 3.0%；Cr：1.0 1.5%；Mn：0.4 0.5%；Si：0.7 1.0%；P：0 0.15%；S：0 0.15%；V：0.1 0.2%；B：0.008 0.010%；Surplus is Fe；Matched, be prepared from according to the following steps according to above-mentioned raw materials：Steel scrap, chromium steel, manganese steel, vanadium steel, boron steel are used for raw material, melting, adjusting component meets above range, and tapping casting, tapping temperature is 1,500 1600 DEG C, obtains casting, air cooling；Casting is put into tempering furnace and is warming up to 320 330 DEG C, is tempered, cooling of coming out of the stove obtains low chromium abrasion-proof steel ball base substrate；Obtained base substrate is polishing to Φ 40 size requirement, the low chromium abrasion-proof steel ball of finished product is obtained.
Description
Technical field
The invention belongs to wear-proof technique field, more particularly to a kind of low chromium abrasion-proof steel balls of Φ 40.
Background technology
Ball mill is one of widely used super-fine grinder machinery in industrial production.Low chromium abrasion-proof steel ball is that ball mill equipment is ground
Grind materials medium, produces mill stripping by the collision friction between low chromium abrasion-proof steel ball, between low chromium abrasion-proof steel ball and material and acts on,
It is important base parts and components, it is widely used in the production process in mine, cement plant and power plant.In the prior art,
Low chromium abrasion-proof steel ball can not also fully meet performance requirement, how to improve the anti-wear performance for improving low chromium abrasion-proof steel ball and use the longevity
Life is the technical problem of those skilled in the art's urgent need to resolve.
The content of the invention
In order to solve technical problem present in background technology, the invention provides a kind of low chromium abrasion-proof steel balls of Φ 40, its
Anti-wear performance is good, and service life is long.
The low chromium abrasion-proof steel balls of a kind of Φ 40 proposed by the present invention, as mass fraction its contain following component：C：2.8-
3.0%；Cr：1.0-1.5%；Mn：0.4-0.5%；Si：0.7-1.0%；P：0-0.15%；S：0-0.15%；V：0.1-
0.2%；B：0.008-0.010%；Surplus is Fe；
Matched, be prepared from according to the following steps according to above-mentioned raw materials：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above-mentioned
Scope, tapping casting, tapping temperature is 1500-1600 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 320-330 DEG C, is tempered, is come out of the stove cold
But, low chromium abrasion-proof steel ball base substrate is obtained；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-resistant stee of finished product is obtained
Ball.
Preferably, it contains following component as mass fraction：C：2.85-2.95%；Cr：1.1-1.4%；Mn：0.42-
0.48%；Si：0.75-0.95%；P：0-0.1%；S：0-0.1%；V：0.1-0.2%；B：0.008-0.010%；Surplus is
Fe。
Preferably, it contains following component as mass fraction：C：2.9%；Cr：1.3%；Mn：0.46%；Si：
0.8%；P：0-0.15%；S：0-0.15%；V：0.16%；B：0.0092%；Surplus is Fe.
Preferably, it is prepared from according to the following steps：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above-mentioned
Scope, tapping casting, tapping temperature is 1570 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 324 DEG C, is tempered, cooling of coming out of the stove,
Obtain low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-resistant stee of finished product is obtained
Ball.
In the present invention, reasonable selection is carried out by the component to the low chromium abrasion-proof steel balls of Φ 40, and enter using proper step
Prepared by row, the components matching and preparation technology of low chromium abrasion-proof steel ball are considered, and controls the content of two kinds of impurity of P, S, carries
The anti-wear performance and service life of low chromium abrasion-proof steel ball are risen.
Embodiment
The present invention is described in detail with reference to instantiation, it should be appreciated that embodiment is served only for the explanation present invention,
Rather than for limiting the invention, any modification made on the basis of the present invention, equivalent substitution etc. are in the present invention
Protection domain in.
Embodiment 1
A kind of low chromium abrasion-proof steel balls of Φ 40, as mass fraction its contain following component：C：2.9%；Cr：1.3%；Mn：
0.46%；Si：0.8%；P：0.12%；S：0.12%；V：0.16%；B：0.0092%；Surplus is Fe；
Matched, be prepared from according to the following steps according to above-mentioned raw materials：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above-mentioned
Scope, tapping casting, tapping temperature is 1570 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 324 DEG C, is tempered, cooling of coming out of the stove,
Obtain low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-resistant stee of finished product is obtained
Ball.
Embodiment 2
A kind of low chromium abrasion-proof steel balls of Φ 40, as mass fraction its contain following component：C：3.0%；Cr：1.0%；Mn：
0.5%；Si：0.7%；P：0.10%；S：0.10%；V：0.2%；B：0.008%；Surplus is Fe；
Matched, be prepared from according to the following steps according to above-mentioned raw materials：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above-mentioned
Scope, tapping casting, tapping temperature is 1600 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 320 DEG C, is tempered, cooling of coming out of the stove,
Obtain low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-resistant stee of finished product is obtained
Ball.
Embodiment 3
A kind of low chromium abrasion-proof steel balls of Φ 40, as mass fraction its contain following component：C：2.8%；Cr：1.5%；Mn：
0.4%；Si：1.0%；P：0.14%；S：0.14%；V：0.1%；B：0.010%；Surplus is Fe；
Matched, be prepared from according to the following steps according to above-mentioned raw materials：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above-mentioned
Scope, tapping casting, tapping temperature is 1500 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 330 DEG C, is tempered, cooling of coming out of the stove,
Obtain low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-resistant stee of finished product is obtained
Ball.
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 (4)
1. a kind of low chromium abrasion-proof steel balls of Φ 40, it is characterised in that it contains following component as mass fraction：C：2.8-3.0%；
Cr：1.1-1.5%；Mn：0.42-0.5%；Si：0.7-0.95%；P：0-0.15%；S：0-0.15%；V：0.1-0.2%；B：
0.008-0.010%；Surplus is Fe；
Matched, be prepared from according to the following steps according to above-mentioned raw materials：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above range,
Tapping casting, tapping temperature is 1500-1600 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 320-330 DEG C, is tempered, cooling of coming out of the stove,
Obtain low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-proof steel ball of finished product is obtained.
2. the low chromium abrasion-proof steel balls of Φ 40 according to claim 1, it is characterised in that it contains such as the following group as mass fraction
Point：C：2.85-2.95%；Cr：1.1-1.4%；Mn：0.42-0.48%；Si：0.75-0.95%；P：0-0.1%；S：0-
0.1%；V：0.1-0.2%；B：0.008-0.010%；Surplus is Fe.
3. the low chromium abrasion-proof steel balls of Φ 40 according to claim 1, it is characterised in that it contains such as the following group as mass fraction
Point：C：2.9%；Cr：1.3%；Mn：0.46%；Si：0.8%；P：0-0.15%；S：0-0.15%；V：0.16%；B：
0.0092%；Surplus is Fe.
4. the low chromium abrasion-proof steel balls of Φ 40 according to any one of claim 1-3, it is characterised in that prepare according to the following steps
Form：
S1：Melting and casting：Use steel scrap, chromium steel, manganese steel, vanadium steel, boron steel for raw material, melting, adjusting component meets above range,
Tapping casting, tapping temperature is 1570 DEG C, obtains casting, air cooling；
S2：Heat treatment：The casting obtained in S1 is put into tempering furnace and is warming up to 324 DEG C, is tempered, cooling of coming out of the stove is obtained
Low chromium abrasion-proof steel ball base substrate；
S3：Surface treatment：The base substrate obtained in S2 is polishing to Φ 40 size requirement, the low chromium abrasion-proof steel ball of finished product is obtained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850786.6A CN104561808B (en) | 2014-12-31 | 2014-12-31 | A kind of low chromium abrasion-proof steel balls of Φ 40 |
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|---|---|---|---|
| CN201410850786.6A CN104561808B (en) | 2014-12-31 | 2014-12-31 | A kind of low chromium abrasion-proof steel balls of Φ 40 |
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| CN104561808A CN104561808A (en) | 2015-04-29 |
| CN104561808B true CN104561808B (en) | 2017-08-08 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629269A (en) * | 2009-07-30 | 2010-01-20 | 宁国市开源电力耐磨材料有限公司 | Smelting process of low chromium ball |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60121254A (en) * | 1983-12-05 | 1985-06-28 | Kubota Ltd | Composite cylinder liner |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629269A (en) * | 2009-07-30 | 2010-01-20 | 宁国市开源电力耐磨材料有限公司 | Smelting process of low chromium ball |
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