CN108893680A - A kind of low-alloy wear-resistant steel and preparation method thereof - Google Patents
A kind of low-alloy wear-resistant steel and preparation method thereof Download PDFInfo
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- CN108893680A CN108893680A CN201810669254.0A CN201810669254A CN108893680A CN 108893680 A CN108893680 A CN 108893680A CN 201810669254 A CN201810669254 A CN 201810669254A CN 108893680 A CN108893680 A CN 108893680A
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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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- 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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- 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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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Abstract
The invention discloses a kind of low-alloy wear-resistant steels, are made of according to mass percent following chemical component：Carbon is 0.20~0.60%, silicon is 0.50~1.5%, and manganese is 2.0~3.0%, and chromium is 0.80~1.2%, titanium is 0.10~0.30%, magnesium is 0.20~0.40%, and tungsten is less than or equal to 0.025%, and nickel is 0.050~0.10%, tantalum is 0.020~0.060%, boron and nitrogen total amount are 0.0050~0.025%, and sulphur is less than or equal to 0.0050%, and surplus is iron and inevitable impurity.The invention also discloses the preparation methods of above-mentioned steel plate, including：(1) the above proportion ingredient is pressed, 1~3h of ball milling crosses 100~200 meshes, obtains alloyed powder；(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.Steel hardness in the present invention is high, and wear-resisting property is excellent, is suitable in various mechanical equipments easily wearing terrain.
Description
Technical field
The present invention relates to Steel material technical fields, more particularly to a kind of low-alloy wear-resistant steel and preparation method thereof.
Background technique
It is especially severe that wear-resisting steel plate is widely used in operating condition, it is desirable that it is high-intensitive, the engineering of high-wear resistance, mining,
On the engineering goods such as agricultural, manufacture of cement, harbour, electric power and metallurgy.Traditionally generally select Hadfield steel production resistance to
Grind component.Hadfield steel can occur strain inducing martensitic traoformation, it is wear-resisting to improve its under big impact loading
Property.Hadfield steel is limited to that alloying element content is high, machining, welding performance is poor, initial hardness is low, is not appropriate for extensively
General application.
In recent decades, the exploitation of abrasion-resistant stee and application development quickly, generally add suitable carbon and alloying element, pass through
The modes such as casting, rolling and heat-treated offline are produced.Abrasion-resistant stee is produced by forging type, production procedure is short, technique is simple
It is single, be readily produced, but the disadvantages of there are alloying element contents higher, mechanics, poor welding and machining property；By rolling side
Formula production abrasion-resistant stee can be further reduced alloying element content, enhance product performance, but still be not suitable for being widely applied；It quenches offline
Fire+tempering heat treatment is the most important production method of current wear-resisting steel plate, and alloying element is less, and properties of product are higher, can be with
Stablize industrial production, but as low-carbon, energy-saving and environmental protection etc. require higher and higher, low cost, short route, premium quality product are steel
The inexorable trend of iron industry development.
For this reason, it is necessary to be able to solve existing in view of the above-mentioned problems, propose a kind of low-alloy wear-resistant steel and preparation method thereof
There is the problem of technology.
Summary of the invention
The purpose of the present invention is to provide a kind of low-alloy wear-resistant steel and preparation method thereof, with overcome it is in the prior art not
Foot.
To achieve the above object, the present invention provides the following technical solutions：
A kind of low-alloy wear-resistant steel is made of according to mass percent following chemical component：Carbon is 0.20~0.60%, silicon
Be 0.50~1.5%, manganese be 2.0~3.0%, chromium be 0.80~1.2%, titanium be 0.10~0.30%, magnesium be 0.20~
0.40%, tungsten is less than or equal to 0.025%, and nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, and boron and nitrogen total amount are
0.0050~0.025%, sulphur is less than or equal to 0.0050%, and surplus is iron and inevitable impurity.
Preferably, it is made of according to mass percent following chemical component：Carbon be 0.30~0.50%, silicon be 0.75~
1.25%, manganese is 2.2~2.8%, and chromium is 0.90~1.1%, and titanium is 0.15~0.25%, and magnesium is 0.25~0.35%, and tungsten is
0.010~0.020%, nickel is 0.070~0.090%, and tantalum is 0.030~0.050%, boron and nitrogen total amount be 0.010~
0.020%, sulphur is 0.0010~0.0040%, and surplus is iron and inevitable impurity.
Preferably, it is made of according to mass percent following chemical component：Carbon is 0.40%, silicon 1.0%, and manganese is
2.5%, chromium 1.0%, titanium 0.20%, magnesium 0.30%, tungsten 0.015%, nickel 0.080%, tantalum 0.040%, boron
It is 0.015% with nitrogen total amount, sulphur 0.0025%, surplus is iron and inevitable impurity.
Preferably, the mass ratio of the boron and the nitrogen is 1:2.
The present invention also provides a kind of preparation methods of low-alloy wear-resistant steel, include the following steps：
(1) ingredient is carried out according to following mass percent：Carbon is 0.20~0.60%, and silicon is 0.50~1.5%, and manganese is
2.0~3.0%, chromium is 0.80~1.2%, and titanium is 0.10~0.30%, and magnesium is 0.20~0.40%, and tungsten is less than or equal to
0.025%, nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, and boron and nitrogen total amount are 0.0050~0.025%, and sulphur is small
In or be equal to 0.0050%, surplus is iron, 1~3h of ball milling, crosses 100~200 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
Preferably, in above-mentioned steps (2), the temperature in heating process is 1200~1300 DEG C, the temperature in the operation of rolling
It is 900~1000 DEG C.
Compared with the prior art, the advantages of the present invention are as follows：Steel hardness in the present invention is high, and wear-resisting property is excellent, is suitable for
Easily wearing terrain in various mechanical equipments.
Specific embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of low-alloy wear-resistant steel, is made of according to mass percent following chemical component：Carbon is 0.20
~0.60%, silicon is 0.50~1.5%, and manganese is 2.0~3.0%, and chromium is 0.80~1.2%, and titanium is 0.10~0.30%, and magnesium is
0.20~0.40%, tungsten is less than or equal to 0.025%, and nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, boron and nitrogen
Total amount is 0.0050~0.025%, and sulphur is less than or equal to 0.0050%, and surplus is iron and inevitable impurity.
Invention additionally discloses a kind of preparation methods of low-alloy wear-resistant steel, include the following steps：
(1) ingredient is carried out according to following mass percent：Carbon is 0.20~0.60%, and silicon is 0.50~1.5%, and manganese is
2.0~3.0%, chromium is 0.80~1.2%, and titanium is 0.10~0.30%, and magnesium is 0.20~0.40%, and tungsten is less than or equal to
0.025%, nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, and boron and nitrogen total amount are 0.0050~0.025%, and sulphur is small
In or be equal to 0.0050%, surplus is iron, 1~3h of ball milling, crosses 100~200 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
It is following to be illustrated with specifically embodiment, to prepare the low-alloy wear-resistant steel in the present invention.
Embodiment 1
It is made of according to mass percent following chemical component：Carbon is 0.20%, silicon 0.50%, manganese 2.0%, and chromium is
0.80%, titanium 0.10%, magnesium 0.20%, tungsten 0%, nickel 0.050%, tantalum 0.020%, boron and nitrogen total amount are
0.0050%, sulphur 0%, surplus is that iron and inevitable impurity, mechanical property are shown in Table 1.
A kind of preparation method of low-alloy wear-resistant steel, includes the following steps：
(1) ingredient is carried out according to the above mass percent, ball milling 1h sieves with 100 mesh sieve, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
Embodiment 2
It is made of according to mass percent following chemical component：Carbon is 0.30%, silicon 0.75%, manganese 2.2%, and chromium is
0.90%, titanium 0.15%, magnesium 0.25%, tungsten 0.010%, nickel 0.070%, tantalum 0.030%, boron and nitrogen total amount are
0.010%, sulphur 0.0010%, surplus is that iron and inevitable impurity, mechanical property are shown in Table 1.
A kind of preparation method of low-alloy wear-resistant steel, includes the following steps：
(1) ingredient is carried out according to the above mass percent, ball milling 2h crosses 150 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
Embodiment 3
It is made of according to mass percent following chemical component：Carbon is 0.40%, silicon 1.0%, manganese 2.5%, and chromium is
1.0%, titanium 0.20%, magnesium 0.30%, tungsten 0.015%, nickel 0.080%, tantalum 0.040%, boron and nitrogen total amount are
0.015%, sulphur 0.0025%, surplus is that iron and inevitable impurity, mechanical property are shown in Table 1.
A kind of preparation method of low-alloy wear-resistant steel, includes the following steps：
(1) ingredient is carried out according to the above mass percent, ball milling 2h crosses 150 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
Embodiment 4
It is made of according to mass percent following chemical component：Carbon is 0.50%, silicon 1.25%, manganese 2.8%, and chromium is
1.1%, titanium 0.25%, magnesium 0.35%, tungsten 0.020%, nickel 0.090%, tantalum 0.050%, boron and nitrogen total amount are
0.020%, sulphur 0.0040%, surplus is that iron and inevitable impurity, mechanical property are shown in Table 1.
A kind of preparation method of low-alloy wear-resistant steel, includes the following steps：
(1) ingredient is carried out according to the above mass percent, ball milling 2h crosses 150 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
Embodiment 5
It is made of according to mass percent following chemical component：Carbon is 0.60%, silicon 1.5%, manganese 3.0%, and chromium is
1.2%, titanium 0.30%, magnesium 0.40%, tungsten 0.025%, nickel 0.10%, tantalum 0.060%, boron and nitrogen total amount are
0.025%, sulphur 0.0050%, surplus is that iron and inevitable impurity, mechanical property are shown in Table 1.
A kind of preparation method of low-alloy wear-resistant steel, includes the following steps：
(1) ingredient is carried out according to the above mass percent, ball milling 3h crosses 200 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
The mechanical property of steel in 1 Examples 1 to 5 of table
The tensile strength of steel is greater than or equal to 1995MPa, -30 DEG C of low-temperature impact works in the present invention it can be seen from upper table 1
More than or equal to 30J, elongation percentage is greater than 10%, and Brinell hardness is greater than or equal to 635HBW, it is seen that and the steel hardness in the present invention is high,
Wear-resisting property is excellent, therefore has preferable mechanical property.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (6)
1. a kind of low-alloy wear-resistant steel, which is characterized in that be made of according to mass percent following chemical component：Carbon be 0.20~
0.60%, silicon is 0.50~1.5%, and manganese is 2.0~3.0%, and chromium is 0.80~1.2%, and titanium is 0.10~0.30%, and magnesium is
0.20~0.40%, tungsten is less than or equal to 0.025%, and nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, boron and nitrogen
Total amount is 0.0050~0.025%, and sulphur is less than or equal to 0.0050%, and surplus is iron and inevitable impurity.
2. low-alloy wear-resistant steel according to claim 1, which is characterized in that according to mass percent by following chemical component
Composition：Carbon is 0.30~0.50%, and silicon is 0.75~1.25%, and manganese is 2.2~2.8%, and chromium is 0.90~1.1%, and titanium is
0.15~0.25%, magnesium is 0.25~0.35%, and tungsten is 0.010~0.020%, and nickel is 0.070~0.090%, tantalum 0.030
~0.050%, boron and nitrogen total amount are 0.010~0.020%, and sulphur is 0.0010~0.0040%, and surplus is for iron and unavoidably
Impurity.
3. low-alloy wear-resistant steel according to claim 1, which is characterized in that according to mass percent by following chemical component
Composition：Carbon is 0.40%, silicon 1.0%, manganese 2.5%, chromium 1.0%, titanium 0.20%, magnesium 0.30%, and tungsten is
0.015%, nickel 0.080%, tantalum 0.040%, boron and nitrogen total amount are 0.015%, and sulphur 0.0025%, surplus is for iron and not
Evitable impurity.
4. low-alloy wear-resistant steel according to claim 1, which is characterized in that the mass ratio of the boron and the nitrogen is 1:
2。
5. a kind of preparation method of low-alloy wear-resistant steel, which is characterized in that include the following steps：
(1) ingredient is carried out according to following mass percent：Carbon be 0.20~0.60%, silicon be 0.50~1.5%, manganese be 2.0~
3.0%, chromium is 0.80~1.2%, and titanium is 0.10~0.30%, and magnesium is 0.20~0.40%, and tungsten is less than or equal to 0.025%,
Nickel is 0.050~0.10%, and tantalum is 0.020~0.060%, and boron and nitrogen total amount are 0.0050~0.025%, and sulphur is less than or equal to
0.0050%, surplus is iron, and 1~3h of ball milling crosses 100~200 meshes, obtains alloyed powder；
(2) above-mentioned alloyed powder is smelted, it is cast, heat, roll, rolling after it is directly cooling, obtain low-alloy wear-resistant steel.
6. the preparation method of low-alloy wear-resistant steel according to claim 5, which is characterized in that in above-mentioned steps (2), heating
Temperature in the process is 1200~1300 DEG C, and the temperature in the operation of rolling is 900~1000 DEG C.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546246A (en) * | 2020-05-19 | 2020-08-18 | 泉州市五虎山冶金粉末有限公司 | High-hardness sand blasting material for surface treatment and preparation method thereof |
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| JPS5913049A (en) * | 1982-07-13 | 1984-01-23 | Nippon Kokan Kk <Nkk> | Steel material for pile for driving into firm ground |
| CN1714159A (en) * | 2002-11-19 | 2005-12-28 | 工业钢克鲁梭公司 | Method for making an abrasion resistant steel plate and plate obtained |
| CN102943213A (en) * | 2012-11-28 | 2013-02-27 | 钢铁研究总院 | Abrasion-resistant steel for low-alloy ultra-high strength engineering machine and preparation method thereof |
| CN104264072A (en) * | 2014-10-21 | 2015-01-07 | 山东钢铁股份有限公司 | 600HB (Brinell hardness) grade wear-resistant steel plate and preparation method thereof |
| WO2017183057A1 (en) * | 2016-04-19 | 2017-10-26 | Ｊｆｅスチール株式会社 | Abrasion-resistant steel sheet and method for producing abrasion-resistant steel sheet |
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2018
- 2018-06-26 CN CN201810669254.0A patent/CN108893680A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5913049A (en) * | 1982-07-13 | 1984-01-23 | Nippon Kokan Kk <Nkk> | Steel material for pile for driving into firm ground |
| CN1714159A (en) * | 2002-11-19 | 2005-12-28 | 工业钢克鲁梭公司 | Method for making an abrasion resistant steel plate and plate obtained |
| CN102943213A (en) * | 2012-11-28 | 2013-02-27 | 钢铁研究总院 | Abrasion-resistant steel for low-alloy ultra-high strength engineering machine and preparation method thereof |
| CN104264072A (en) * | 2014-10-21 | 2015-01-07 | 山东钢铁股份有限公司 | 600HB (Brinell hardness) grade wear-resistant steel plate and preparation method thereof |
| WO2017183057A1 (en) * | 2016-04-19 | 2017-10-26 | Ｊｆｅスチール株式会社 | Abrasion-resistant steel sheet and method for producing abrasion-resistant steel sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546246A (en) * | 2020-05-19 | 2020-08-18 | 泉州市五虎山冶金粉末有限公司 | High-hardness sand blasting material for surface treatment and preparation method thereof |
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Application publication date: 20181127 |