CN103667867B - A kind of high-carbon alloy steel lining material and preparation method thereof - Google Patents
A kind of high-carbon alloy steel lining material and preparation method thereof Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 18
- 239000010959 steel Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 15
- 229910001339 C alloy Inorganic materials 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007670 refining Methods 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 7
- 239000010955 niobium Substances 0.000 claims abstract description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010936 titanium Substances 0.000 claims abstract description 7
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 7
- 229910052688 Gadolinium Inorganic materials 0.000 claims abstract description 6
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 6
- 239000010937 tungsten Substances 0.000 claims abstract description 6
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 5
- 239000010941 cobalt Substances 0.000 claims abstract description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 239000011572 manganese Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 18
- 238000010792 warming Methods 0.000 claims description 18
- 238000005275 alloying Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- 229910000805 Pig iron Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052891 actinolite Inorganic materials 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000010433 feldspar Substances 0.000 claims description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 239000005543 nano-size silicon particle Substances 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 abstract description 8
- 229910000677 High-carbon steel Inorganic materials 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 229910001037 White iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
A kind of high-carbon alloy steel lining material, chemical element composition and mass percent thereof that it contains are: carbon 2.2-2.4, silicon 0.5-0.8, manganese 4.1-4.4, vanadium 1.3-1.5, tungsten 2.8-3.4, titanium 0.4-0.6, cobalt 0.1-0.2, boron 0.6-0.8, niobium 0.2-0.25, gadolinium 0.05-0.08, Hf0.04-0.07, S≤0.04, P≤0.04, surplus are iron. Steel alloy of the present invention adds the elements such as tungsten, boron, gadolinium on the basis of high-carbon steel, and the steel alloy obtaining not only has the wearability of the high hardness of high-carbon steel, excellence, but also has good toughness, good, the red hard height of plasticity, corrosion resistant advantage. Steel alloy of the present invention is applicable to, in the extremely serious ore machinery of wearing and tearing, extend service life more than one times. Refining agent of the present invention, for Foundry Production, obviously improves yield rate.
Description
Technical field
The present invention relates to metal material field, relate in particular to a kind of high-carbon alloy steel lining material and preparation method thereof.
Background technology
Lining material is through the development of more than 30 years, experienced high violent steel, common spoken parts in traditional operas cast steel, ni-hard cast iron, the high chromium white iron developing stage to the middle-low alloy steel of modified high manganese steel and various Q-tempering techniques. In at present domestic practical application, be still that potassium steel rules all the land, in several main flow materials, potassium steel good toughness, but wearability and corrosion resistance are also undesirable; Wear resistance of high-chromium iron is good, but toughness is poor again; Middle-low alloy steel fragility and corrosion resistance are not up to standard. Need to, from the more excellent lining material of the aspect such as raw material, technique research and development combination property, to enhance productivity, reduce wear, reduce costs.
Summary of the invention
The object of the present invention is to provide a kind of high-carbon alloy steel lining material and preparation method thereof, it is high that this alloy material has hardness, and wearability is good, the advantage of plasticity, good toughness.
Technical scheme of the present invention is as follows:
A kind of high-carbon alloy steel lining material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 2.2-2.4, silicon 0.5-0.8, manganese 4.1-4.4, vanadium 1.3-1.5, tungsten 2.8-3.4, titanium 0.4-0.6, cobalt 0.1-0.2, boron 0.6-0.8, niobium 0.2-0.25, gadolinium 0.05-0.08, Hf0.04-0.07, S≤0.04, P≤0.04, surplus are iron.
The production method of described high-carbon alloy steel lining material, is characterized in that:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, chromium, titanium; (2) manganese, boron, niobium; (3) other residual components; The each batch of time interval of dropping into element is 22-25 minute, after feeding intake, stirs.
Described casting after-baking is: be first warming up to 500-510 DEG C by room temperature with 200-220 DEG C/h of speed, insulation 60-70 minute, be warming up to 700-710 DEG C with 200-220 DEG C/h of speed again, be cooled to 600-610 DEG C with 190-200 DEG C/h of speed again, be warming up to 940-955 DEG C with 200-220 DEG C/h of speed again, insulation 3-4 hour; Be cooled to 600-610 DEG C with 180-190 DEG C/h of speed again, then be warming up to 700-710 DEG C with 200-220 DEG C/h of speed, then be cooled to 480-500 DEG C with 180-190 DEG C/h of speed, insulation 70-80 minute; Be cooled to 220-230 DEG C with 170-180 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 330-350 DEG C with 200-220 DEG C/h of speed again, then be cooled to 200-210 DEG C with 160-170 DEG C/h of speed, then be warming up to 530-550 DEG C with 180-190 DEG C/h of speed, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight portion: instrument comminuted steel shot 30-40, medical stone 1-2, calcirm-fluoride 3-4, magnesia 6-7, iron chloride 1-2, feldspar in powder 2-3, actinolite 5-6, magnesium sulfate 2-3, nano silicon 2-3, jade powder 3-4, montmorillonite 1-2, potassium fluosilicate 4-5; Preparation method mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
Beneficial effect of the present invention
Steel alloy of the present invention adds the elements such as tungsten, boron, gadolinium on the basis of high-carbon steel, and the steel alloy obtaining not only has the wearability of the high hardness of high-carbon steel, excellence, but also has good toughness, good, the red hard height of plasticity, corrosion resistant advantage. The present invention uses part scrap iron as raw material, and through double refining, rationally controls casting after-baking temperature, and throwing raw materials in batches, makes more stable uniform of alloy quality, improves comprehensive mechanical property. Steel alloy of the present invention is applicable to, in the extremely serious ore machinery of wearing and tearing, extend service life more than one times. Refining agent of the present invention is for Foundry Production, and the degree of porosity obviously improving in yield rate, particularly foundry goods reduces 1-2 degree, can not produce pore at cast(ing) surface, and trapped oxide also obviously reduces, and oxide inclusion is 2 grades of left and right.
Detailed description of the invention
A kind of high-carbon alloy steel lining material, chemical element composition and mass percent thereof that it contains are: carbon 2.2-2.4, silicon 0.5-0.8, manganese 4.1-4.4, vanadium 1.3-1.5, tungsten 2.8-3.4, titanium 0.4-0.6, cobalt 0.1-0.2, boron 0.6-0.8, niobium 0.2-0.25, gadolinium 0.05-0.08, Hf0.04-0.07, S≤0.04, P≤0.04, surplus are iron.
The production method of described high-carbon alloy steel lining material is as follows:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1.5 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, chromium, titanium; (2) manganese, boron, niobium; (3) other residual components; The each batch of time interval of dropping into element is 24 minutes, after feeding intake, stirs.
Described casting after-baking is: be first warming up to 505 DEG C by room temperature with 210 DEG C/h of speed, be incubated 65 minutes, then be warming up to 705 DEG C with 210 DEG C/h of speed, then be cooled to 605 DEG C with 195 DEG C/h of speed, be warming up to 948 DEG C with 210 DEG C/h of speed again, be incubated 3.5 hours; Be cooled to 605 DEG C with 185 DEG C/h of speed again, then be warming up to 705 DEG C with 210 DEG C/h of speed, then be cooled to 490 DEG C with 185 DEG C/h of speed, be incubated 75 minutes; Be cooled to 225 DEG C with 175 DEG C/h of speed again, be incubated 2.5 hours; Be warming up to 340 DEG C with 210 DEG C/h of speed again, then be cooled to 205 DEG C with 165 DEG C/h of speed, then be warming up to 540 DEG C with 185 DEG C/h of speed, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight portion (kilogram) raw material make: instrument comminuted steel shot 35, medical stone 1.5, calcirm-fluoride 3.5, magnesia 6.5, iron chloride 1.5, feldspar in powder 2.5, actinolite 5.5, magnesium sulfate 2.5, nano silicon 2.5, jade powder 3.5, montmorillonite 1.5, potassium fluosilicate 4.5; Preparation method mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 150 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2.6%, 1.5% nano-carbon powder, after mixing, under 11Mpa, be pressed into base, then, at 940 DEG C, calcine 3.6 hours, cooling after, then be ground into 190 order powder, to obtain final product.
The mechanical performance of high-carbon alloy steel lining material of the present invention is: hot strength 1380MPa, yield strength 973MPa, percentage elongation 14%, the contraction percentage of area 29%, impact absorbing energy 53J, impact flexibility 64J/cm2, hardness 295HB.
Claims (1)
1. a production method for high-carbon alloy steel lining material, is characterized in that: chemical element composition and mass percent thereof that high-carbon alloy steel lining material contains are: carbon 2.2-2.4, silicon 0.5-0.8, manganese 4.1-4.4, vanadium 1.3-1.5, tungsten 2.8-3.4, titanium 0.4-0.6, cobalt 0.1-0.2, boron 0.6-0.8, niobium 0.2-0.25, gadolinium 0.05-0.08, Hf0.04-0.07, S≤0.04, P≤0.04, surplus are iron;
Its production method is:
(1) preparing the pig iron and scrap iron originates as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be:
1) silicon, cobalt, titanium;
2) manganese, boron, niobium;
3) other residual components; The each batch of time interval of dropping into element is 22-25 minute, after feeding intake, stirs;
Described casting after-baking is: be first warming up to 500-510 DEG C by room temperature with 200-220 DEG C/h of speed, insulation 60-70 minute, be warming up to 700-710 DEG C with 200-220 DEG C/h of speed again, be cooled to 600-610 DEG C with 190-200 DEG C/h of speed again, be warming up to 940-955 DEG C with 200-220 DEG C/h of speed again, insulation 3-4 hour; Be cooled to 600-610 DEG C with 180-190 DEG C/h of speed again, then be warming up to 700-710 DEG C with 200-220 DEG C/h of speed, then be cooled to 480-500 DEG C with 180-190 DEG C/h of speed, insulation 70-80 minute; Be cooled to 220-230 DEG C with 170-180 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 330-350 DEG C with 200-220 DEG C/h of speed again, then be cooled to 200-210 DEG C with 160-170 DEG C/h of speed, then be warming up to 530-550 DEG C with 180-190 DEG C/h of speed, insulation 2-3 hour, takes out air cooling and get final product;
Described refining agent is made up of the raw material of following weight portion: instrument comminuted steel shot 30-40, medical stone 1-2, calcirm-fluoride 3-4, magnesia 6-7, iron chloride 1-2, feldspar in powder 2-3, actinolite 5-6, magnesium sulfate 2-3, nano silicon 2-3, jade powder 3-4, montmorillonite 1-2, potassium fluosilicate 4-5;
The preparation method of described refining agent mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15MPa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
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Denomination of invention: A High Carbon Alloy Steel Lining Plate Material and Its Preparation Method Effective date of registration: 20230717 Granted publication date: 20160525 Pledgee: Huizhou bank Limited by Share Ltd. Ma'anshan Garden Branch Pledgor: MA'ANSHAN YIFENG INDUSTRIAL GROUP CO.,LTD. Registration number: Y2023980048597 |
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