CN102154590B - Water-toughened low-alloy abrasion-resistant steel lining plate and preparation method thereof - Google Patents
Water-toughened low-alloy abrasion-resistant steel lining plate and preparation method thereof Download PDFInfo
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- CN102154590B CN102154590B CN201110134189.XA CN201110134189A CN102154590B CN 102154590 B CN102154590 B CN 102154590B CN 201110134189 A CN201110134189 A CN 201110134189A CN 102154590 B CN102154590 B CN 102154590B
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- 239000000956 alloy Substances 0.000 title claims abstract description 41
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims description 17
- 238000005299 abrasion Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 238000005275 alloying Methods 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 4
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 17
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 13
- 229910052796 boron Inorganic materials 0.000 description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides a water-toughened low-alloy abrasion-resistant steel lining plate which comprises the following alloy elements in percentage by weight: 0.2-0.3% of C, 1.5-2.0% of Cr, 0.15-0.3% of Mo, 0.6-0.8% of Mn, 0.2-0.4% of B, 0.3-0.8% of Si, not more than 0.035% of P, not more than 0.035% of S and the balance of Fe, wherein the sum of all the components is 100% by weight. The water-toughened low-alloy abrasion-resistant steel lining plate has the advantages of high rigidity, good abrasion resistance, good impact toughness and simple thermal processing technology, and has the mechanical properties meeting the conditions that the tensile strength sigma b is not smaller than 560Mpa, the non-opening impact toughness ak is not smaller than 48J/cm<2>, the elongation sigma 5 is not smaller than 2% and the surface hardness HRC (Rockwell Hardness) is 48-55; in addition, the proportioning of precious alloys is lower, so that the service life of an abrasion-resistant lining plate piece can be effectively prolonged; and the water-toughened low-alloy abrasion-resistant steel lining plate has higher cost performance and is in accordance with the industrial policies on low energy consumption and high yield in China at present.
Description
Technical field
The present invention relates to metal wear resistant material and preparation method thereof, relate in particular to the tough processing low-alloy abrasion-proof of a kind of water steel liner plate and preparation method thereof.
Background technology
China is world's cement production capacity, consumes big country, and the attrition that steel ball tuber grinder is widely used in liner plate in the industries, particularly tuber grinder such as cement, metallurgy, electric power is larger, and abrasive conditions is severe.The requirement of high-abrasive material has been proposed to very large test, the energy more than 1/2 be consumed in the friction and wear in various production processes, current cement, metallurgical, liner plate in the industries such as electric power, material mostly adopts common high mangaenese steel or middle Chrome metal powder, the materials such as interalloy, hardness is lower, it is general that its wear resisting property is also tending towards, be not very good, and production cost is higher, alloy proportion is larger, higher to raw-material consumption, there is certain conflict with real less energy-consumption industry policy, the water toughness low alloy abrasion resistant steel liner plate alloy proportion of this material is relatively low, only added a small amount of precious alloy element, there is when market potential of higher sexual valence.
Summary of the invention
The object of this invention is to provide that can effectively to solve in the industries such as current cement, electric power lining plate of coal grinder wear resisting property poor, the problem that work-ing life is on the low side, and the tough processing low-alloy abrasion-proof of kind water steel liner plate of a kind of high performance-price ratio and preparation method thereof is provided.
The object of the invention is to realize as follows: the tough processing low-alloy abrasion-proof of a kind of water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.2-0.3%; Cr1.5-2.0%; Mo0.15-0.3%; Mn0.6-0.8%; B boron 0.2-0.4%; Si0.3-0.8%; P≤0.035%; S≤0.035%; Fe surplus.Each weight percentages of components sum is 100%.
2, the tough processing low-alloy abrasion-proof of a water steel liner plate preparation method, comprises the following steps:
A. add smelting furnace to dissolve this liner plate of casting, water toughness low alloy abrasion resistant steel liner plate is put to heat treatment furnace and carried out normalizing modifier treatment, basal temperature should be controlled at 350 ℃ of insulations and within 2 hours, rise to 650o, is incubated and within 2.5 hours, rises to 980 ℃ of insulations 3 hours;
B. carry out the tough processing of water, during the tough processing of water, should guarantee that quenching temperature is controlled at more than 960 ℃, in pond, stop about 1 hour, after this liner plate workpiece is completely cooling, hang out;
C. this liner plate low-temperaturetempering is processed, tempering temperature should be controlled between 250 ℃～300 ℃, and the treatment time is 5～8 hours;
D. finally carry out measuring mechanical property.
Advantage of the present invention: the tough processing low-alloy abrasion-proof of water of the present invention steel liner plate, compare with existing interalloy high mangaenese steel, middle chromium alloy material, there is hardness high, wear resisting property is good, impelling strength is good, and its processing and heat treatment technique is simple, and mechanical property reaches: tensile strength sigma b >=560Mpa; Open impact toughness ak >=48J/cm2 not; Elongation σ 5 >=2%; Surface hardness HRC48-55, and precious alloy proportioning is lower, can effectively improve the work-ing life of liner plate wearing piece, has higher cost performance, meets the industry policy of current national less energy-consumption, high production.And carbon is the principal element in alloy in each element, carbon expands Y phase region in metal structure, reduces Ms point, improves hardening capacity, carbon content increases, material hardness and intensity can improve, but impelling strength reduction, carbon content reduces, toughness can increase, but wear resisting property is inadequate, in order to obtain certain impelling strength, hardness and intensity, selecting C content is 0.2-0.3%.
Chromium (cr): chromium is the principal element in steel alloy, its energy solid solution, in ferrite, produces solution strengthening effect, and chromium has higher resistance to tempering, make thick section hardness even, reasonably combined with Si, Mn, Mo, can significantly improve hardening capacity and wear resistance, selecting Cr content is 1.5-2.0%.
Molybdenum (Mo): add a small amount of molybdenum element can put forward heavy alloyed hardening capacity, put forward heavy alloyed anti intercrystalline corrosion ability, also have certain wear resisting property, selection content is 0.15-0.3%.
Boron: place a small amount of boron and can put forward heavy alloyed welding property and obtain higher impelling strength, but should not add too much, content is chosen as 0.2-0.4%.
Silicon (Si): silicon is solid-solubilized in yield strength, yield ratio and the hardness that improves steel in ferrite, selection silicone content is 0.3-0.8%.
Manganese (Mn): manganese can improve hardening capacity, can increase steel alloy normalizing fragility but proportioning is improper, and selection content is 0.6-0.8%.
Phosphorus P, sulphur S: phosphorus, sulphur are indivisible detrimental impurity in steel alloy, easily cause hot-short, therefore should be strict controlled in≤0.035%.
embodiment:
Embodiment 1
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.2%; Cr1.5%; Mo0.15%; Mn0.6%; B boron 0.2%; Si0.3%; P 0.035%; S 0.035%; Fe 96.98%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a water steel liner plate preparation method, comprises the following steps:
A. add smelting furnace to dissolve this liner plate of casting, water toughness low alloy abrasion resistant steel liner plate is put to heat treatment furnace and carried out normalizing modifier treatment, basal temperature should be controlled at 350 ℃ of insulations and within 2 hours, rise to 650o, is incubated and within 2.5 hours, rises to 980 ℃ of insulations 3 hours;
B. carry out the tough processing of water, during the tough processing of water, should guarantee that quenching temperature is controlled at more than 960 ℃, in pond, stop about 1 hour, after this liner plate workpiece is completely cooling, hang out;
C. this liner plate low-temperaturetempering is processed, tempering temperature should be controlled between 250 ℃～300 ℃, and the treatment time is 5～8 hours;
D. finally carry out measuring mechanical property.
Embodiment 2
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr1.6%; Mo0.16%; Mn0.7%; B boron 0.3%; Si0.4%; P 0.033%; S 0.033%; Fe 96.474%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 3
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr1.7%; Mo0.17%; Mn0.8%; B boron 0.4%; Si0.5%; P 0.032%; S 0.032%; Fe 96.066%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 4
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr1.8%; Mo0.18%; Mn0.8%; B boron 0.4%; Si0.6%; P 0.031%; S 0.031%; Fe 95.858%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 5
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr1.9%; Mo0.19%; Mn0.8%; B boron 0.4%; Si0.7%; P 0.025%; S 0.025%; Fe 95.66%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 6
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr2.0%; Mo0.2%; Mn0.8%; B boron 0.4%; Si0.8%; P 0.025%; S 0.025%; Fe 95.45%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 7
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr2.0%; Mo0.21%; Mn0.8%; B boron 0.4%; Si0.8%; P 0.025%; S 0.025%; Fe 95.44%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 8
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr2.0%; Mo0.25%; Mn0.8%; B boron 0.4%; Si0.8%; P 0.025%; S 0.025%; Fe 95.4%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 9
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr2.0%; Mo0.27%; Mn0.8%; B boron 0.4%; Si0.8%; P 0.025%; S 0.025%; Fe 95.38%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Embodiment 10
The tough processing low-alloy abrasion-proof of a water steel liner plate, each alloying element per-cent of described material is constructed as follows: C 0.3%; Cr2.0%; Mo0.3%; Mn0.8%; B boron 0.4%; Si0.8%; P 0.025%; S 0.025%; Fe 95.35%.Each weight percentages of components sum is 100%.
The tough processing low-alloy abrasion-proof of a kind of water steel liner plate preparation method is with embodiment mono-.
Above-described specific examples; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific examples of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. a preparation method for the tough processing low-alloy abrasion-proof of water steel liner plate, is characterized in that: each alloying element per-cent of described liner plate is constructed as follows: C 0.2-0.3%; Cr1.5-2.0%; Mo0.15-0.3%; Mn0.6-0.8%; B0.2-0.4%; Si0.3-0.8%; P≤0.035%; S≤0.035%; Fe surplus; Each weight percentages of components sum is 100%; Comprise the following steps:
A. add this liner plate of smelting furnace melt-casting, this liner plate is put to heat treatment furnace and carried out normalizing modifier treatment, basal temperature should be controlled at 350 ℃ of insulations and within 2 hours, rise to 650 ℃, is incubated and within 2.5 hours, rises to 980 ℃ of insulations 3 hours;
B. carry out the tough processing of water, during the tough processing of water, should guarantee that quenching temperature is controlled at more than 960 ℃, in pond, stop 1 hour, after this liner plate workpiece is completely cooling, hang out;
C. this liner plate low-temperaturetempering is processed, tempering temperature should be controlled between 250 ℃～300 ℃, and the treatment time is 5～8 hours;
D. finally carry out measuring mechanical property.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110134189.XA CN102154590B (en) | 2011-05-24 | 2011-05-24 | Water-toughened low-alloy abrasion-resistant steel lining plate and preparation method thereof |
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| CN201110134189.XA CN102154590B (en) | 2011-05-24 | 2011-05-24 | Water-toughened low-alloy abrasion-resistant steel lining plate and preparation method thereof |
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| CN102154590B true CN102154590B (en) | 2014-10-22 |
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| CN105420616A (en) * | 2015-11-05 | 2016-03-23 | 宁国市南方耐磨材料有限公司 | High-carbon middle-chromium abrasion-resistant steel ball |
| CN106702272A (en) * | 2016-11-29 | 2017-05-24 | 河南科技大学 | Low-alloy cast steel liner plate and preparation method thereof |
| CN112143954A (en) * | 2020-09-28 | 2020-12-29 | 江苏富强特钢有限公司 | High-cracking-resistance wear-resistant steel for jaw plate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288973A (en) * | 2000-09-26 | 2001-03-28 | 上海林沪实业有限公司 | High-hardness wear-resisting low-carbon alloy steel plate |
| CN101469390A (en) * | 2007-12-25 | 2009-07-01 | 张莹 | Wear resistant steel cast and method for manufacturing the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288973A (en) * | 2000-09-26 | 2001-03-28 | 上海林沪实业有限公司 | High-hardness wear-resisting low-carbon alloy steel plate |
| CN101469390A (en) * | 2007-12-25 | 2009-07-01 | 张莹 | Wear resistant steel cast and method for manufacturing the same |
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Effective date of registration: 20160204 Address after: 214500 Taixing city in Jiangsu Province town of coral Cao Bu Patentee after: Jiangsu Fu Qiang Special Steel Co., Ltd. Address before: 214500, No. 40 Ji Bei Road, Jingjiang City, Jiangsu, Taizhou Patentee before: Cao Zhichun |