CN110423939A - A kind of farm machinery corrosion-resistant steel and preparation method thereof - Google Patents

A kind of farm machinery corrosion-resistant steel and preparation method thereof Download PDF

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Publication number
CN110423939A
CN110423939A CN201910674823.5A CN201910674823A CN110423939A CN 110423939 A CN110423939 A CN 110423939A CN 201910674823 A CN201910674823 A CN 201910674823A CN 110423939 A CN110423939 A CN 110423939A
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steel
temperature
farm machinery
corrosion
preparation
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范俊峰
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Wuhu Chunzheng Agricultural Technology Co Ltd
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Wuhu Chunzheng Agricultural Technology Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
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    • C08K2003/327—Aluminium phosphate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
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  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

The invention proposes a kind of farm machinery corrosion-resistant steels and preparation method thereof, including following weight percentage components: carbon 0.20-0.80%, silicon 0.05-0.15%, manganese 1.00-5.00%, chromium 0.30-0.70%, phosphorus 0.06-0.12%, tungsten 0.02-0.08%, aluminium 0.03-0.09%, palladium 0.01-0.03%, niobium 0.03-0.06%, rare earth material 1.11-1.35%, surplus is iron and inevitable impurity, the present invention passes through rationally setting proportion and production technology, the alloy material of formation, antirust corrosion-proof coating is coated on the surface of alloy material, with preferable corrosion resistance, the service life of farm machinery steel can significantly be extended, reduced spoilage, it increases Safety coefficient.

Description

A kind of farm machinery corrosion-resistant steel and preparation method thereof
Technical field
The invention belongs to farm machinery technology technical field, a kind of farm machinery corrosion-resistant steel and its system are particularly related to Preparation Method.
Background technique
Since farm machinery is typically all open work, exposing to the weather is received for a long time, causes farm machinery to corrode, especially Farm machinery steel, corrode, then can seriously affect the use of farm machinery, for this reason, it is necessary to provide a kind of agricultural machine Tool corrosion-resistant steel, to solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of farm machinery corrosion-resistant steels and preparation method thereof, solve above-mentioned background In technology agricultural steel for engineering mechanism purpose material there are the problem of.
The technical scheme of the present invention is realized as follows:
A kind of farm machinery corrosion-resistant steel, including following weight percentage components: carbon 0.20-0.80%, silicon 0.05-0.15%, manganese 1.00-5.00%, chromium 0.30-0.70%, phosphorus 0.06-0.12%, tungsten 0.02-0.08%, aluminium 0.03- 0.09%, palladium 0.01-0.03%, niobium 0.03-0.06%, rare earth material 1.11-1.35%, surplus be iron and inevitably it is miscellaneous Matter.
A kind of farm machinery corrosion-resistant steel, including following weight percentage components: carbon 0.60%, silicon 0.10%, Manganese 3%, chromium 0.4%, phosphorus 0.1%, tungsten 0.06%, aluminium 0.06%, palladium 0.02%, niobium 0.04%, rare earth material 1.2%, surplus For iron and inevitable impurity.
A kind of preparation method of farm machinery corrosion-resistant steel, includes the following steps:
S1: prepare raw material, and heating, drying according to above-mentioned element mass percent；
S2: raw material is added in smelting furnace, is warming up to 1200-1400 DEG C, and heating makes raw material be melted into alloy molten steel, protects It is put into rare earth material into smelting furnace after warm 5-10min, alloy molten steel is refined under the protection of argon gas；
S3: alloy molten steel is cooled to 1000-1100 DEG C, is then poured into casting mold, takes out steel after alloy solidification of molten steel Base；
S4: hot rolling；
S5: quenching treatment；
S6: steel being put into acid solution and carry out pickling, and the processing time is 15-25min, uses clear water to steel after the completion of pickling Material is rinsed, in the zinc liquid that steel are immersed 600 DEG C of high temperature melts after steel are dry, infiltrating time 30-40min, so After take out steel, stand 2-4h；
S7: ultrasonic examination processing is carried out to steel, obtains steel substrate after flaw detection is qualified；
S8: antirust corrosion-proof coating is coated in steel substrate surface；
S9: dry.
Preferably, the detailed process of hot rolling are as follows: steel billet is put into heating furnace, by heating steel billet to 1150-1200 DEG C, is protected Warm 2-3h, then carries out hot rolling, and roughing start rolling temperature is 1000-1050 DEG C when hot rolling, and finishing temperature is 890-950 DEG C.
Preferably, the detailed process of quenching treatment are as follows: steel are put into heating furnace, are heated to 780-810 DEG C, keep the temperature 1- Then 3h cools to room temperature with the furnace, then by heat steel to 860-900 DEG C, 1-2h is kept the temperature, then to steel by the way of oil quenching Material is quenched, and steel is made to be cooled to 250-280 DEG C, then again by heat steel to 650-760 DEG C, is cooled to after keeping the temperature 4-6h Room temperature.
Preferably, antirust corrosion-proof coating includes following weight percentage components: epoxy resin 20%-30%, aqueous Epoxy hardener 10%-12%, precipitated calcium carbonate 10%-20%, silica flour 5%-9%, calcium stearate 4%-6%, three oxidations Two antimony 2%-8%, polyacrylonitrile fibre 5%-8%, antioxidant 7%-9%, aluminium triphosphate 4%-6%, nanometer titanium dioxide Titanium 5%-7% and additive 1%-3%, remaining is water.
Preferably, antirust corrosion-proof coating includes following weight percentage components: epoxy resin 25%, water-base epoxy are solid Agent 11%, precipitated calcium carbonate 18%, silica flour 6%, calcium stearate 5%, antimony oxide 6%, polyacrylonitrile fibre 6%, Antioxidant 8%, aluminium triphosphate 5%, nano-titanium dioxide 6% and additive 2%, remaining is water.
In conclusion the present invention has the advantages that
A kind of farm machinery corrosion-resistant steel of the invention and preparation method thereof, the present invention by rationally setting proportion and Production technology, the alloy material of formation coat antirust corrosion-proof coating on the surface of alloy material, have preferable corrosion resistance Can, it can significantly extend the service life of farm machinery steel, reduced spoilage increases safety coefficient.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.
A kind of farm machinery corrosion-resistant steel, including following weight percentage components: carbon 0.60%, silicon 0.10%, Manganese 3%, chromium 0.4%, phosphorus 0.1%, tungsten 0.06%, aluminium 0.06%, palladium 0.02%, niobium 0.04%, rare earth material 1.2%, surplus For iron and inevitable impurity.
Specifically, a kind of preparation method of farm machinery corrosion-resistant steel, includes the following steps:
S1: prepare raw material, and heating, drying according to above-mentioned element mass percent；
S2: raw material is added in smelting furnace, is warming up to 1200-1400 DEG C, and heating makes raw material be melted into alloy molten steel, protects It is put into rare earth material into smelting furnace after warm 5-10min, alloy molten steel is refined under the protection of argon gas；
S3: alloy molten steel is cooled to 1000-1100 DEG C, is then poured into casting mold, takes out steel after alloy solidification of molten steel Base；
S4: hot rolling；
S5: quenching treatment；
S6: steel being put into acid solution and carry out pickling, and the processing time is 15-25min, uses clear water to steel after the completion of pickling Material is rinsed, in the zinc liquid that steel are immersed 600 DEG C of high temperature melts after steel are dry, infiltrating time 30-40min, so After take out steel, stand 2-4h；
S7: ultrasonic examination processing is carried out to steel, obtains steel substrate after flaw detection is qualified；
S8: antirust corrosion-proof coating is coated in steel substrate surface；
S9: dry.
Wherein, the detailed process of hot rolling are as follows: steel billet is put into heating furnace, by heating steel billet to 1150-1200 DEG C, heat preservation 2-3h, then carries out hot rolling, and roughing start rolling temperature is 1000-1050 DEG C when hot rolling, and finishing temperature is 890-950 DEG C.
The detailed process of quenching treatment are as follows: steel are put into heating furnace, are heated to 780-810 DEG C, keep the temperature 1-3h, then It cools to room temperature with the furnace, then by heat steel to 860-900 DEG C, keeps the temperature 1-2h, then steel are carried out by the way of oil quenching Quenching, makes steel be cooled to 250-280 DEG C, then again by heat steel to 650-760 DEG C, is cooled to room temperature after keeping the temperature 4-6h.
Wherein, antirust corrosion-proof coating includes following weight percentage components: epoxy resin 25%, water-base epoxy solidification Agent 11%, silica flour 6%, calcium stearate 5%, antimony oxide 6%, polyacrylonitrile fibre 6%, resists precipitated calcium carbonate 18% Oxidant 8%, aluminium triphosphate 5%, nano-titanium dioxide 6% and additive 2%, remaining is water.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of farm machinery corrosion-resistant steel, it is characterised in that: including following weight percentage components: carbon 0.20- 0.80%, silicon 0.05-0.15%, manganese 1.00-5.00%, chromium 0.30-0.70%, phosphorus 0.06-0.12%, tungsten 0.02-0.08%, Aluminium 0.03-0.09%, palladium 0.01-0.03%, niobium 0.03-0.06%, rare earth material 1.11-1.35%, surplus are iron and can not The impurity avoided.
2. a kind of farm machinery corrosion-resistant steel according to claim 1, it is characterised in that: including following weight percent The component of ratio: carbon 0.60%, silicon 0.10%, manganese 3%, chromium 0.4%, phosphorus 0.1%, tungsten 0.06%, aluminium 0.06%, palladium 0.02%, Niobium 0.04%, rare earth material 1.2%, surplus are iron and inevitable impurity.
3. a kind of preparation method of farm machinery corrosion-resistant steel, characterized by the following steps:
S1: prepare raw material, and heating, drying according to above-mentioned element mass percent；
S2: raw material is added in smelting furnace, is warming up to 1200-1400 DEG C, and heating makes raw material be melted into alloy molten steel, keeps the temperature 5- Rare earth material is put into after 10min into smelting furnace, alloy molten steel is refined under the protection of argon gas；
S3: alloy molten steel is cooled to 1000-1100 DEG C, is then poured into casting mold, takes out steel billet after alloy solidification of molten steel；
S4: hot rolling；
S5: quenching treatment；
S6: steel being put into acid solution and carry out pickling, and the processing time is 15-25min, use after the completion of pickling clear water to steel into Row rinses, and in the zinc liquid that steel are immersed 600 DEG C of high temperature melts after steel are dry, then infiltrating time 30-40min takes Steel out stand 2-4h；
S7: ultrasonic examination processing is carried out to steel, obtains steel substrate after flaw detection is qualified；
S8: antirust corrosion-proof coating is coated in steel substrate surface；
S9: dry.
4. a kind of preparation method of farm machinery corrosion-resistant steel according to claim 3, it is characterised in that: hot rolling Detailed process are as follows: steel billet is put into heating furnace, by heating steel billet to 1150-1200 DEG C, 2-3h is kept the temperature, then carries out hot rolling, Roughing start rolling temperature is 1000-1050 DEG C when hot rolling, and finishing temperature is 890-950 DEG C.
5. a kind of preparation method of farm machinery corrosion-resistant steel according to claim 3, it is characterised in that: at quenching The detailed process of reason are as follows: steel are put into heating furnace, are heated to 780-810 DEG C, 1-3h is kept the temperature, then cools to room with the furnace Temperature, then by heat steel to 860-900 DEG C, keep the temperature 1-2h, then steel are quenched by the way of oil quenching, drop steel Temperature is to 250-280 DEG C, then again by heat steel to 650-760 DEG C, is cooled to room temperature after keeping the temperature 4-6h.
6. a kind of preparation method of farm machinery corrosion-resistant steel according to claim 3, it is characterised in that: antirust is resistance to Etching ground includes following weight percentage components: epoxy resin 20%-30%, aqueous epoxy curing agent 10%-12%, light Matter calcium carbonate 10%-20%, silica flour 5%-9%, calcium stearate 4%-6%, antimony oxide 2%-8%, polyacrylonitrile are fine Tie up 5%-8%, antioxidant 7%-9%, aluminium triphosphate 4%-6%, nano-titanium dioxide 5%-7% and additive 1%- 3%, remaining is water.
7. a kind of preparation method of farm machinery corrosion-resistant steel according to claim 6, it is characterised in that: antirust is resistance to Etching ground includes following weight percentage components: epoxy resin 25%, aqueous epoxy curing agent 11%, precipitated calcium carbonate 18%, silica flour 6%, calcium stearate 5%, antimony oxide 6%, polyacrylonitrile fibre 6%, antioxidant 8%, tripolyphosphate Aluminium 5%, nano-titanium dioxide 6% and additive 2%, remaining is water.
CN201910674823.5A 2019-07-25 2019-07-25 A kind of farm machinery corrosion-resistant steel and preparation method thereof Pending CN110423939A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490969A (en) * 2020-11-27 2021-03-12 安徽吉利电气设备有限公司 Cable bridge processing method
CN113564470A (en) * 2021-07-16 2021-10-29 鞍钢股份有限公司 1700MPa heat-resistant steel for agricultural machinery and manufacturing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108546877A (en) * 2018-05-09 2018-09-18 合肥汇之新机械科技有限公司 A kind of farm machinery corrosion-resistant steel and preparation method thereof
CN109082606A (en) * 2018-09-10 2018-12-25 江苏叙然信息科技有限公司 A kind of highly corrosion resistant steel and preparation method thereof
CN109971301A (en) * 2017-12-28 2019-07-05 东莞市广信知识产权服务有限公司 A kind of antirust corrosion-proof steel coating

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109971301A (en) * 2017-12-28 2019-07-05 东莞市广信知识产权服务有限公司 A kind of antirust corrosion-proof steel coating
CN108546877A (en) * 2018-05-09 2018-09-18 合肥汇之新机械科技有限公司 A kind of farm machinery corrosion-resistant steel and preparation method thereof
CN109082606A (en) * 2018-09-10 2018-12-25 江苏叙然信息科技有限公司 A kind of highly corrosion resistant steel and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490969A (en) * 2020-11-27 2021-03-12 安徽吉利电气设备有限公司 Cable bridge processing method
CN113564470A (en) * 2021-07-16 2021-10-29 鞍钢股份有限公司 1700MPa heat-resistant steel for agricultural machinery and manufacturing method thereof

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Application publication date: 20191108