CN103667941B - A kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof - Google Patents
A kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof Download PDFInfo
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- CN103667941B CN103667941B CN201310550366.1A CN201310550366A CN103667941B CN 103667941 B CN103667941 B CN 103667941B CN 201310550366 A CN201310550366 A CN 201310550366A CN 103667941 B CN103667941 B CN 103667941B
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007670 refining Methods 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052796 boron Inorganic materials 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000011651 chromium Substances 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 239000011572 manganese Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 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
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 239000011733 molybdenum Substances 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 18
- 238000005275 alloying Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- MPPQGYCZBNURDG-UHFFFAOYSA-N 2-propionyl-6-dimethylaminonaphthalene Chemical compound C1=C(N(C)C)C=CC2=CC(C(=O)CC)=CC=C21 MPPQGYCZBNURDG-UHFFFAOYSA-N 0.000 claims description 6
- 229910000805 Pig iron Inorganic materials 0.000 claims description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 4
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- 229910052923 celestite Inorganic materials 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 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
- 239000010977 jade Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- 239000001103 potassium chloride Substances 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
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 229910052735 hafnium Inorganic materials 0.000 abstract description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A kind of Alloy steel material for rotor of cam rotor pump, its chemical element component contained and mass percent thereof be: carbon 0.2 0.3, silicon 0.2 0.4, titanium 1.2 1.5, boron 0.02 0.05, chromium 4.2 4.5, manganese 2.2 2.5, molybdenum 0.4 0.6, zinc 0.2 0.4, In0.02 0.05, As0.3 0.5, Hf0.08 0.12, Bi0.15 0.18, P≤0.030, S≤0.030, surplus are ferrum.By the present invention in that and combine by the plurality of raw materials such as boron, hafnium, the steel alloy of formation has high intensity, high rigidity, wearability feature good, corrosion resistant；The harmful elements such as use part scrap iron is as raw material, and through double refining, makes quality more stable homogeneous, sulfur phosphorus are lower, and by adding refining agent, degree of porosity reduces by 12 degree, and oxide inclusion is at about 2 grades.
Description
Technical field
The present invention relates to field of metal preparation, particularly relate to a kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof.
Background technology
The development of steel alloy has had the history of more than 100 year, up to the present, diversified steel alloy is industrially employed, and mainly has with Types Below: the steel alloy of the various excellent performances such as quenched and tempered steel, spring steel, roller bearing steel, tool steel, property steel, heat resisting steel, low-temperature steel.
The steel alloy of pump valve has varied, technology has great progress, but still with the presence of a lot of problems, such as wearability, hardness, rustless property, decay resistance, high and low temperature resistance, fragility, toughness etc., the requirement produced it is not met by a lot of occasions, also need to improve further, to improve production efficiency, reduce cost, improve safety, providing safeguard for high-quality precision and sophisticated technology development, provide power for social development, task is the most arduous.
Summary of the invention
It is an object of the invention to provide a kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof, this alloy material has that wearability is good, hardness is high, intensity is high and corrosion resistant feature.
Technical scheme is as follows:
A kind of Alloy steel material for rotor of cam rotor pump, it is characterised in that: its chemical element component contained and mass percent thereof be: carbon 0.2-0.3, silicon 0.2-0.4, titanium 1.2-1.5, boron 0.02-0.05, chromium 4.2-4.5, manganese 2.2-2.5, molybdenum 0.4-0.6, zinc 0.2-0.4, In0.02-0.05, As0.3-0.5, Hf0.08-0.12, Bi0.15-0.18, P≤0.030, S≤0.030, surplus are ferrum.
The production method of described Alloy steel material for rotor of cam rotor pump, it is characterised in that:
(1), prepare the pig iron to originate as ferrous substrate in 1:1-2 ratio with scrap iron, add to put in stove by the pig iron and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, add scrap iron fusing, add refining agent double refining, detect and adjust chemical element component content to the most qualified, cast, cast after-baking etc.；
(2) lot sequence, putting into alloying element in alloying process in stove is: (1) silicon, chromium, Hf；(2) titanium, zinc, In；(3) boron, manganese；(4) other residual components；It is 14-17 minute that each batch puts into the time interval of element, stirs after feeding intake.
Described casting after-baking is: first by room temperature with 180-200 DEG C/h of ramp to 470-495 DEG C, be incubated 60-80 minute, be further continued for 180-200 DEG C/h of ramp to 925-935 DEG C, be incubated 3-5 hour；It is cooled to 700-720 DEG C with 130-150 DEG C/h of speed again, is incubated 50-70 minute, then is cooled to 610-620 DEG C with 130-150 DEG C/h of speed, be incubated 50-70 minute；It is cooled to 330-350 DEG C with 110-125 DEG C/h of speed again, is incubated 3-4 hour；Again with 140-160 DEG C/h of ramp to 360-380 DEG C, then it is cooled to 220-240 DEG C with 60-70 DEG C/h of speed, then with 130-150 DEG C/h of ramp to 540-560 DEG C, is incubated 3-4 hour, take out air cooling and get final product.
Described refining agent is prepared by the raw materials in: instrument comminuted steel shot 3-4, potassium chloride 5-8, calcium fluoride 3-5, graphite powder 5-8, prodan 8-10, jade powder 3-4, montmorillonite 1-2, celestite 3-5, potassium feldspar 3-5, titanium dioxide 1-2, diatomite in powder 3-4, prodan 1-2, sodium nitrate 2-3；Preparation method is to be mixed by each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 mesh powder；Gained powder is added the nano-carbon powder being equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, 1-2%, after mix homogeneously, under 8-15Mpa, is pressed into base, then, calcine 3-4 hour at 900-950 DEG C, after cooling, it is ground into 150-250 mesh powder again, to obtain final product.
Beneficial effects of the present invention
By the present invention in that and combine by the plurality of raw materials such as boron, hafnium, rationally arrange proportioning raw materials and production technology, rationally arranging input order, conservative control casting after-baking temperature, the steel alloy of formation has high intensity, high rigidity, wearability feature good, corrosion resistant；The harmful elements such as use part scrap iron is as raw material, and through double refining, makes quality more stable homogeneous, sulfur phosphorus are lower.Refining agent of the present invention is used for Foundry Production, hence it is evident that improves the degree of porosity in yield rate, particularly foundry goods and reduces 1-2 degree, is controlled effectively, and will not produce pore at cast(ing) surface, and trapped oxide is significantly reduced, and oxide inclusion is at about 2 grades.
Detailed description of the invention
A kind of Alloy steel material for rotor of cam rotor pump, its chemical element component contained and mass percent thereof be: carbon 0.2-0.3, silicon 0.2-0.4, titanium 1.2-1.5, boron 0.02-0.05, chromium 4.2-4.5, manganese 2.2-2.5, molybdenum 0.4-0.6, zinc 0.2-0.4, In0.02-0.05, As0.3-0.5, Hf0.08-0.12, Bi0.15-0.18, P≤0.030, S≤0.030, surplus are ferrum.
The production method of described Alloy steel material for rotor of cam rotor pump is:
(1), prepare the pig iron to originate as ferrous substrate in 1:1.2 ratio with scrap iron, add to put in stove by the pig iron and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, add scrap iron fusing, add refining agent double refining, detect and adjust chemical element component content to the most qualified, cast, cast after-baking etc.；
(2) lot sequence, putting into alloying element in alloying process in stove is: (1) silicon, chromium, Hf；(2) titanium, zinc, In；(3) boron, manganese；(4) other residual components；It is 16 minutes that each batch puts into the time interval of element, stirs after feeding intake.
Described casting after-baking is: first by room temperature with 190 DEG C/h of ramp to 485 DEG C, be incubated 70 minutes, be further continued for 190 DEG C/h of ramp to 930 DEG C, be incubated 4 hours；It is cooled to 710 DEG C with 140 DEG C/h of speed again, is incubated 60 minutes, then is cooled to 615 DEG C with 140 DEG C/h of speed, be incubated 60 minutes；It is cooled to 340 DEG C with 120 DEG C/h of speed again, is incubated 3.5 hours；Again with 150 DEG C/h of ramp to 370 DEG C, then it is cooled to 230 DEG C with 65 DEG C/h of speed, then with 140 DEG C/h of ramp to 550 DEG C, is incubated 3.6 hours, take out air cooling and get final product.
Described refining agent is made up of the raw material of following weight portion (kilogram): instrument comminuted steel shot 3, potassium chloride 6, calcium fluoride 4, graphite powder 7, prodan 9, jade powder 3, montmorillonite 1.5, celestite 4, potassium feldspar 4, titanium dioxide 1.5, diatomite in powder 3.5, prodan 1.5, sodium nitrate 2.5；Preparation method is to be mixed by each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 150 mesh powder；Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 3%, the nano-carbon powder of 2%, after mix homogeneously, under 11Mpa, be pressed into base, then, calcine 3.5 hours at 930 DEG C, after cooling, then be ground into 200 mesh powder, to obtain final product.
The mechanical performance of Alloy steel material for rotor of cam rotor pump of the present invention is: hot strength 1350MPa, yield strength 953MPa, elongation percentage 13%, the contraction percentage of area 22%, impact absorbing energy 54J, impact flexibility 63J/cm2, hardness 276HB.
Claims (1)
1. an Alloy steel material for rotor of cam rotor pump, it is characterised in that: its chemical element component contained and mass percent thereof be: carbon 0.2-0.3, silicon 0.2-0.4, titanium 1.2-1.5, boron 0.02-0.05, chromium 4.2-4.5, manganese 2.2-2.5, molybdenum 0.4-0.6, zinc 0.2-0.4, In0.02-0.05, As0.3-0.5, Hf0.08-0.12, Bi0.15-0.18, P≤0.030, S≤0.030, surplus are ferrum；
The production method of described Alloy steel material for rotor of cam rotor pump is:
(1) prepare the pig iron to originate as ferrous substrate in 1:1-2 ratio with scrap iron, add to put in stove by the pig iron and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, add scrap iron fusing, add refining agent double refining, detect and adjust chemical element component content to the most qualified, cast, cast after-baking；
(2) lot sequence putting into alloying element in alloying process in stove is:
1) silicon, chromium, Hf；
2) titanium, zinc, In；
3) boron, manganese；
4) other residual components；It is 14-17 minute that each batch puts into the time interval of element, stirs after feeding intake；
Described casting after-baking is: first by room temperature with 180-200 DEG C/h of ramp to 470-495 DEG C, be incubated 60-80 minute, be further continued for 180-200 DEG C/h of ramp to 925-935 DEG C, be incubated 3-5 hour；It is cooled to 700-720 DEG C with 130-150 DEG C/h of speed again, is incubated 50-70 minute, then is cooled to 610-620 DEG C with 130-150 DEG C/h of speed, be incubated 50-70 minute；It is cooled to 330-350 DEG C with 110-125 DEG C/h of speed again, is incubated 3-4 hour；Again with 140-160 DEG C/h of ramp to 360-380 DEG C, then it is cooled to 220-240 DEG C with 60-70 DEG C/h of speed, then with 130-150 DEG C/h of ramp to 540-560 DEG C, is incubated 3-4 hour, take out air cooling and get final product；
Described refining agent is prepared by the raw materials in: instrument comminuted steel shot 3-4, potassium chloride 5-8, calcium fluoride 3-5, graphite powder 5-8, prodan 8-10, jade powder 3-4, montmorillonite 1-2, celestite 3-5, potassium feldspar 3-5, titanium dioxide 1-2, diatomite in powder 3-4, prodan 1-2, sodium nitrate 2-3；
The preparation method of described refining agent is to be mixed by each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 mesh powder；Gained powder is added the nano-carbon powder being equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, 1-2%, after mix homogeneously, under 8-15MPa, is pressed into base, then, calcine 3-4 hour at 900-950 DEG C, after cooling, it is ground into 150-250 mesh powder again, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310550366.1A CN103667941B (en) | 2013-11-08 | 2013-11-08 | A kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310550366.1A CN103667941B (en) | 2013-11-08 | 2013-11-08 | A kind of Alloy steel material for rotor of cam rotor pump and preparation method thereof |
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| CN103667941B true CN103667941B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105088105A (en) * | 2015-08-28 | 2015-11-25 | 无锡阳工机械制造有限公司 | High-strength valve element |
| CN105065773A (en) * | 2015-08-28 | 2015-11-18 | 无锡阳工机械制造有限公司 | Valve element with prolonged service life |
| CN105389445A (en) * | 2015-12-15 | 2016-03-09 | 常熟市明瑞针纺织有限公司 | Knitting cam profile curve automatic generating method |
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| DE59804046D1 (en) * | 1998-02-27 | 2002-06-13 | Boehler Edelstahl Gmbh & Co Kg | Iron-based alloy for use at elevated temperatures |
| JP4500124B2 (en) * | 2004-07-23 | 2010-07-14 | 新日本製鐵株式会社 | Manufacturing method of hot-pressed plated steel sheet |
| BRPI1012814B1 (en) * | 2009-05-22 | 2019-02-19 | Nippon Steel & Sumitomo Metal Corporation | METHOD FOR MACHINING STEEL FOR USE IN MACHINE STRUCTURES |
| WO2012008405A1 (en) * | 2010-07-14 | 2012-01-19 | 新日本製鐵株式会社 | Steel having excellent machinability for mechanical structure |
| CN102978522A (en) * | 2012-11-22 | 2013-03-20 | 宁波得利时泵业有限公司 | Cam rotor pump rotor material and preparation method |
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Effective date of registration: 20210316 Address after: 223200 2nd floor, north science and technology building, 66 Tieyun Road, Huai'an District, Huai'an City, Jiangsu Province Patentee after: Jiangsu Jianxing Traffic Engineering Co.,Ltd. Address before: 223200 office building, 98 Huaxi Road, Huai'an District, Huai'an City, Jiangsu Province Patentee before: Jiangsu ZHENHUAI Construction Group Co.,Ltd. |
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