CN103882310B - A kind of corrosion-resistant high-carbon steel alloy material and preparation method thereof - Google Patents
A kind of corrosion-resistant high-carbon steel alloy material and preparation method thereof Download PDFInfo
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- CN103882310B CN103882310B CN201410059352.4A CN201410059352A CN103882310B CN 103882310 B CN103882310 B CN 103882310B CN 201410059352 A CN201410059352 A CN 201410059352A CN 103882310 B CN103882310 B CN 103882310B
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Abstract
A kind of corrosion-resistant high-carbon steel alloy material, its chemical element component contained and mass percent thereof be: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminum 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are ferrum.By the present invention in that by the material combination such as niobium, aluminum, proportioning and production technology are rationally set, input order is rationally set, the alloy material formed has high intensity, hardness, wearability, low heat sensitivity, low temper brittleness, also have the feature of the corrosive nature of atmospheric corrosion resistance and high temperature resistant lower hydrogen, nitrogen, ammonia；By adding refining agent, degree of porosity reduces 1-2 degree.
Description
Technical field
The present invention relates to field of metal preparation, particularly relate to a kind of corrosion-resistant high-carbon steel alloy material 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, mainly have with Types Below: quenched and tempered steel, spring steel, tool steel, high-speed steel, mould steel, high, normal, basic carbon alloy steel etc., so far, although steel alloy technology is greatly developed, but, still with the presence of a lot of problems, such as abrasion resistance, hardness, rustless property, decay resistance, high and low temperature resistance, fragility, toughness, costs etc. can not be taken into account, 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, provide safeguard for high-quality precision and sophisticated technology development, power is provided for social development, task is the most arduous.
Summary of the invention
It is an object of the invention to provide a kind of corrosion-resistant high-carbon steel alloy material and preparation method thereof, this alloy material has the feature of high wearability, hardness and wearability.
Technical scheme is as follows:
A kind of corrosion-resistant high-carbon steel alloy material, it is characterised in that: its chemical element component contained and mass percent thereof be: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminum 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are ferrum.
The production method of described corrosion-resistant high-carbon steel alloy material, it is characterised in that:
(1), the pig iron is melted as ferrous substrate source as in 1:1 ratio input stove with scrap iron；Carry out desulfurization, deoxidation, alloying, employing refining agent refine, cast, cast after-baking etc.；
(2) lot sequence, putting into alloying element in alloying process in stove is: (1) silicon, nickel, copper；(2) aluminum, manganese, Nb；(3) titanium, boron, Ta；(4) other residual components；It is 8-10 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 200-230 DEG C/h of ramp to 920-930 DEG C, be incubated 3-4 hour；It is cooled to 630-650 DEG C with 140-160 DEG C/h of speed again, is incubated 40-60 minute；It is cooled to 330-350 DEG C with 100-120 DEG C/h of speed again, is incubated 2-3 hour；Again with 150-170 DEG C/h of ramp to 530-550 DEG C, it is incubated 2-3 hour, takes out air cooling and get final product.
Described refining agent is prepared by the raw materials in: instrument comminuted steel shot 3-4, attapulgite 100-120, quick lime 2-3, nanometer jade powder 3-4, montmorillonite powder 1-2, perlite 95-110, BaCO3 3-4, prodan 4-5, calcium fluoride 2-3；Preparation method is to be mixed by each raw material, is heated to molten condition stirring and removes slag, 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 by the material combination such as niobium, aluminum, proportioning and production technology are rationally set, input order is rationally set, the alloy material formed has high intensity, hardness, wearability, low heat sensitivity, low temper brittleness, also have the feature of the corrosive nature of atmospheric corrosion resistance and high temperature resistant lower hydrogen, nitrogen, ammonia；And use part scrap iron as raw material, carry heavy alloyed steady quality homogeneous.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 corrosion-resistant high-carbon steel alloy material, its chemical element component contained and mass percent thereof be: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminum 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are ferrum.
The production method of described corrosion-resistant high-carbon steel alloy material, it is characterised in that:
(1), the pig iron is melted as ferrous substrate source as in 1:1 ratio input stove with scrap iron；Carry out desulfurization, deoxidation, alloying, employing refining agent refine, cast, cast after-baking etc.；
(2) lot sequence, putting into alloying element in alloying process in stove is: (1) silicon, nickel, copper；(2) aluminum, manganese, Nb；(3) titanium, boron, Ta；(4) other residual components；It is 9 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 220 DEG C/h of ramp to 925 DEG C, be incubated 3.5 hours；It is cooled to 640 DEG C with 150 DEG C/h of speed again, is incubated 50 minutes；It is cooled to 340 DEG C with 110 DEG C/h of speed again, is incubated 2.5 hours；Again with 160 DEG C/h of ramp to 540 DEG C, it is incubated 2.5 hours, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight portion (kilogram): described refining agent is made up of the raw material of following weight portion (kilogram): instrument comminuted steel shot 3, attapulgite 100-, quick lime 2, nanometer jade powder 3, montmorillonite powder 2, perlite 95, BaCO3 4, prodan 4, calcium fluoride 3；Preparation method is to be mixed by each raw material, is heated to molten condition stirring and removes slag, 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.
The mechanical performance of the present invention corrosion-resistant high-carbon steel alloy material is: hot strength 81380MPa, yield strength 973MPa, elongation percentage 12%, the contraction percentage of area 22%, impact absorbing energy 48J, impact flexibility 58J/cm2, hardness 295HB.
Claims (1)
1. a corrosion-resistant high-carbon steel alloy material, it is characterised in that: its chemical element component contained and mass percent thereof be: carbon 0.7-1.0, silicon 0.7-0.9, copper 0.2-0.4, aluminum 0.05-0.08, manganese 3.3-2.5, nickel 6.0-6.5, titanium 0.05-0.09, boron 0.3-0.5, Mo0.1-0.3, Nb0.002-0.005, Ta0.001-0.003, Co0.03-0.05, P≤0.030, S≤0.030, surplus are ferrum；
The production method of described corrosion-resistant high-carbon steel alloy material is:
(1), the pig iron is melted as ferrous substrate source as in 1:1 ratio input stove with scrap iron；Carry out desulfurization, deoxidation, alloying, employing refining agent refine, cast, cast after-baking；
(2) lot sequence, putting into alloying element in alloying process in stove is: (1) silicon, nickel, copper；(2) aluminum, manganese, Nb；
(3) titanium, boron, Ta；
(4) other residual components；It is 8-10 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 200-230 DEG C/h of ramp to 920-930 DEG C, be incubated 3-4 hour；It is cooled to 630-650 DEG C with 140-160 DEG C/h of speed again, is incubated 40-60 minute；It is cooled to 330-350 DEG C with 100-120 DEG C/h of speed again, is incubated 2-3 hour；Again with 150-170 DEG C/h of ramp to 530-550 DEG C, it is incubated 2-3 hour, takes out air cooling and get final product；
Described refining agent is prepared by the raw materials in: instrument comminuted steel shot 3-4, attapulgite 100-120, quick lime 2-3, nanometer jade powder 3-4, montmorillonite powder 1-2, perlite 95-110, BaCO33-4, prodan 4-5, calcium fluoride 2-3；Preparation method is to be mixed by each raw material, is heated to molten condition stirring and removes slag, 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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| CN104313484B (en) * | 2014-11-07 | 2016-05-11 | 江苏天舜金属材料集团有限公司 | Steel and Technology for Heating Processing thereof for high-strength anti-seismic corrosion-resistant steel bar |
| CN104694825B (en) * | 2015-02-06 | 2017-01-11 | 铜陵百荣新型材料铸件有限公司 | Corrosion-resistant cast high-carbon steel and preparation method thereof |
| CN107916368A (en) * | 2017-11-27 | 2018-04-17 | 谢彬彬 | Low silicon corrosion-resisting alloy steel of a kind of high-carbon and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5357118A (en) * | 1976-11-02 | 1978-05-24 | Nippon Musical Instruments Mfg | Magnetic material |
| US6157301A (en) * | 1996-12-13 | 2000-12-05 | Vacuumschmelze Gmbh | Marker for use in a magnetic electronic article surveillance system |
| CN103537672A (en) * | 2013-10-11 | 2014-01-29 | 芜湖市鸿坤汽车零部件有限公司 | Powder metallurgy automobile engine connecting rod and manufacturing method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5357118A (en) * | 1976-11-02 | 1978-05-24 | Nippon Musical Instruments Mfg | Magnetic material |
| US6157301A (en) * | 1996-12-13 | 2000-12-05 | Vacuumschmelze Gmbh | Marker for use in a magnetic electronic article surveillance system |
| CN103537672A (en) * | 2013-10-11 | 2014-01-29 | 芜湖市鸿坤汽车零部件有限公司 | Powder metallurgy automobile engine connecting rod and manufacturing method thereof |
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Effective date of registration: 20181221 Address after: 130000 Yangtze Road Economic Development Zone, Kuancheng District, Changchun City, Jilin Province Patentee after: Jilin asachen Machinery Manufacturing Co., Ltd. Address before: 241000 Sanshan Village, Sanshan Street Office, Sanshan District, Wuhu City, Anhui Province Patentee before: WUHU HONGKUN AUTO PARTS CO., LTD. |
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