CN113025166A - Corrosion-resistant steel pipe and preparation method thereof - Google Patents
Corrosion-resistant steel pipe and preparation method thereof Download PDFInfo
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- CN113025166A CN113025166A CN202110237871.5A CN202110237871A CN113025166A CN 113025166 A CN113025166 A CN 113025166A CN 202110237871 A CN202110237871 A CN 202110237871A CN 113025166 A CN113025166 A CN 113025166A
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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
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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
- 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
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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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention relates to the field of steel pipes, in particular to a corrosion-resistant steel pipe and a preparation method thereof. The steel pipe comprises the following raw materials in parts by weight: 1-3 parts of dibutyltin dilaurate, 4-6 parts of silicon dioxide particles, 1-3 parts of phosphate, 2-6 parts of bisphenol A epoxy resin, 0.2-0.4 part of perlite, 900 parts of iron 300-containing materials, 0.5-0.9 part of manganese, 0.3-0.8 part of chromium, 2-5 parts of copper and 1-3 parts of titanium. The invention prepares iron, manganese, chromium, copper and titanium into a steel pipe blank. Dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite are prepared into a protective layer and processed on the surface of a steel pipe blank for protection. The steel pipe of this application can resist the erosion of outside filth, has improved the steel pipe in open air life greatly.
Description
Technical Field
The invention relates to the field of steel pipes, in particular to a corrosion-resistant steel pipe and a preparation method thereof.
Background
Steel having a hollow cross-section with a length much greater than the diameter or circumference. The steel pipes are classified into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machine manufacturing, geological drilling, high-pressure equipment and the like according to the application. Steel pipes are not only used for transporting fluids and powdery solids, exchanging heat energy, manufacturing mechanical parts and containers, but also are economical steels. The steel pipe is used for manufacturing the building structure net rack, the supporting column and the mechanical support, so that the weight can be reduced, the metal can be saved by 20-40%, and the industrialized mechanized construction can be realized. The steel pipe is used for manufacturing the highway bridge, so that steel can be saved, the construction is simplified, the area of a coating protective layer can be greatly reduced, and the investment and the maintenance cost are saved.
However, the outer surface of the existing steel pipe is easily corroded by external dust or liquid, which shortens the service life of the steel pipe.
Disclosure of Invention
In order to solve the defects of the prior art described in the background art, the invention provides a corrosion-resistant steel pipe and a preparation method thereof. Dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite are prepared into a protective layer and processed on the surface of a steel pipe blank for protection. The steel pipe of this application can resist the erosion of outside filth, has improved the steel pipe in open air life greatly.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the corrosion-resistant steel pipe comprises the following raw materials in parts by weight:
1-3 parts of dibutyltin dilaurate, 4-6 parts of silicon dioxide particles, 1-3 parts of phosphate, 2-6 parts of bisphenol A epoxy resin, 0.2-0.4 part of perlite, 900 parts of iron 300-containing materials, 0.5-0.9 part of manganese, 0.3-0.8 part of chromium, 2-5 parts of copper and 1-3 parts of titanium.
Specifically, 2 parts of dibutyltin dilaurate, 5 parts of silicon dioxide particles, 2 parts of phosphate, 3 parts of bisphenol A epoxy resin, 0.3 part of perlite, 600 parts of iron, 0.7 part of manganese, 0.5 part of chromium, 4 parts of copper and 2 parts of titanium.
Specifically, 1 part of dibutyltin dilaurate, 4 parts of silicon dioxide particles, 1 part of phosphate, 2 parts of bisphenol A epoxy resin, 0.2 part of perlite, 300 parts of iron, 0.5 part of manganese, 0.3 part of chromium, 2 parts of copper and 1 part of titanium.
Specifically, 3 parts of dibutyltin dilaurate, 6 parts of silicon dioxide particles, 3 parts of phosphate, 6 parts of bisphenol A epoxy resin, 0.4 part of perlite, 900 parts of iron, 0.9 part of manganese, 0.8 part of chromium, 5 parts of copper and 3 parts of titanium.
A preparation method of a corrosion-resistant steel pipe comprises the following steps:
a. putting iron, manganese, chromium, copper and titanium into a smelting furnace according to the proportion, mixing and smelting into liquid, wherein the smelting temperature is 1300-;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine;
e. placing dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite into a stirrer according to a ratio and stirring to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
Specifically, the steel pipe blank is subjected to acid washing, phosphating and saponification treatment before being sprayed with the mixed solution.
Specifically, before the mixed liquid is sprayed on the steel pipe blank, surface inspection and flaw detection are carried out, and unqualified products are removed.
Specifically, the steel pipe is cut into a predetermined length with a cutter.
Specifically, the dibutyltin dilaurate, the silicon dioxide particles, the phosphate, the bisphenol A type epoxy resin and the perlite are stirred in a stirrer at the rotating speed of 180-350r/min for 15-35 minutes.
The invention has the beneficial effects that: the invention provides a corrosion-resistant steel pipe and a preparation method thereof. Dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite are prepared into a protective layer and processed on the surface of a steel pipe blank for protection. The steel pipe of this application can resist the erosion of outside filth, has improved the steel pipe in open air life greatly.
Detailed Description
The corrosion-resistant steel pipe comprises the following raw materials in parts by weight:
1-3 parts of dibutyltin dilaurate, 4-6 parts of silicon dioxide particles, 1-3 parts of phosphate, 2-6 parts of bisphenol A epoxy resin, 0.2-0.4 part of perlite, 900 parts of iron 300-containing materials, 0.5-0.9 part of manganese, 0.3-0.8 part of chromium, 2-5 parts of copper and 1-3 parts of titanium.
2 parts of dibutyltin dilaurate, 5 parts of silicon dioxide particles, 2 parts of phosphate, 3 parts of bisphenol A epoxy resin, 0.3 part of perlite, 600 parts of iron, 0.7 part of manganese, 0.5 part of chromium, 4 parts of copper and 2 parts of titanium.
1 part of dibutyltin dilaurate, 4 parts of silicon dioxide particles, 1 part of phosphate, 2 parts of bisphenol A epoxy resin, 0.2 part of perlite, 300 parts of iron, 0.5 part of manganese, 0.3 part of chromium, 2 parts of copper and 1 part of titanium.
3 parts of dibutyltin dilaurate, 6 parts of silicon dioxide particles, 3 parts of phosphate, 6 parts of bisphenol A epoxy resin, 0.4 part of perlite, 900 parts of iron, 0.9 part of manganese, 0.8 part of chromium, 5 parts of copper and 3 parts of titanium.
A preparation method of a corrosion-resistant steel pipe comprises the following steps:
a. putting iron, manganese, chromium, copper and titanium into a smelting furnace according to the proportion, mixing and smelting into liquid, wherein the smelting temperature is 1300-;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine;
e. placing dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite into a stirrer according to a ratio and stirring to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
The steel pipe blank is subjected to acid washing, phosphating and saponification treatment before the mixed liquid is sprayed.
And (3) before spraying the mixed liquid on the steel pipe blank, carrying out surface inspection and flaw detection and removing unqualified products.
The steel pipe is cut into a predetermined length by a cutter.
Dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite are stirred in a stirrer at the rotating speed of 180-350r/min for 15-35 minutes.
The first embodiment is as follows:
a. 600 parts of iron, 0.7 part of manganese, 0.5 part of chromium, 4 parts of copper and 2 parts of titanium are put into a smelting furnace to be mixed and smelted into liquid, and the smelting temperature is 1500 ℃;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine; carrying out acid washing, phosphorization and saponification treatment; cutting the steel pipe into a predetermined length by a cutter; carrying out surface inspection and flaw detection, and removing unqualified products;
e. 2 parts of dibutyltin dilaurate, 5 parts of silicon dioxide particles, 2 parts of phosphate, 3 parts of bisphenol A epoxy resin and 0.3 part of perlite are put into a stirrer and stirred for 20 minutes at the rotating speed of 200r/min to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
Example two:
a. 300 parts of iron, 0.5 part of manganese, 0.3 part of chromium, 2 parts of copper and 1 part of titanium are put into a smelting furnace to be mixed and smelted into liquid state, and the smelting temperature is 1700 ℃;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine; carrying out acid washing, phosphorization and saponification treatment; cutting the steel pipe into a predetermined length by a cutter; carrying out surface inspection and flaw detection, and removing unqualified products;
e. 1 part of dibutyltin dilaurate, 4 parts of silicon dioxide particles, 1 part of phosphate, 2 parts of bisphenol A epoxy resin and 0.2 part of perlite are placed into a stirrer and stirred for 15 minutes at the rotating speed of 180r/min to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
Example three:
a. putting 900 parts of iron, 0.9 part of manganese, 0.8 part of chromium, 5 parts of copper and 3 parts of titanium into a smelting furnace, mixing and smelting into liquid, wherein the smelting temperature is 1300 ℃;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine; carrying out acid washing, phosphorization and saponification treatment; cutting the steel pipe into a predetermined length by a cutter; carrying out surface inspection and flaw detection, and removing unqualified products;
e. 3 parts of dibutyltin dilaurate, 6 parts of silicon dioxide particles, 3 parts of phosphate, 6 parts of bisphenol A epoxy resin and 0.4 part of perlite are put into a stirrer and stirred for 35 minutes at the rotating speed of 350r/min to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The corrosion-resistant steel pipe is characterized by comprising the following raw materials in parts by weight:
1-3 parts of dibutyltin dilaurate, 4-6 parts of silicon dioxide particles, 1-3 parts of phosphate, 2-6 parts of bisphenol A epoxy resin, 0.2-0.4 part of perlite, 900 parts of iron 300-containing materials, 0.5-0.9 part of manganese, 0.3-0.8 part of chromium, 2-5 parts of copper and 1-3 parts of titanium.
2. The corrosion-resistant steel pipe as recited in claim 1 wherein said dibutyltin dilaurate is 2 parts, said silica particles are 5 parts, said phosphate is 2 parts, said bisphenol a epoxy resin is 3 parts, said perlite is 0.3 parts, said iron is 600 parts, said manganese is 0.7 parts, said chromium is 0.5 parts, said copper is 4 parts, and said titanium is 2 parts.
3. The corrosion-resistant steel pipe of claim 1 wherein said dibutyltin dilaurate is 1 part, said silica particles are 4 parts, said phosphate is 1 part, said bisphenol a epoxy resin is 2 parts, said perlite is 0.2 parts, said iron is 300 parts, said manganese is 0.5 parts, said chromium is 0.3 parts, said copper is 2 parts, and said titanium is 1 part.
4. The corrosion-resistant steel pipe of claim 1 wherein said at least one member selected from the group consisting of dibutyltin dilaurate 3 parts, silica particles 6 parts, phosphate 3 parts, bisphenol a epoxy resin 6 parts, perlite 0.4 parts, iron 900 parts, manganese 0.9 parts, chromium 0.8 parts, copper 5 parts, and titanium 3 parts.
5. The method of manufacturing a corrosion resistant steel pipe as claimed in claim 1 or 2 or 3 or 4 comprising the steps of:
a. putting iron, manganese, chromium, copper and titanium into a smelting furnace according to the proportion, mixing and smelting into liquid, wherein the smelting temperature is 1300-;
b. injecting the liquid material into a mold, and then cooling and forming into a steel bar;
c. then, folding the steel bars into a tubular shape by using a bending device and welding to obtain a steel pipe blank;
d. perforating the steel pipe blank by using a perforating machine, and punching the steel pipe blank by using a punching machine;
e. placing dibutyltin dilaurate, silicon dioxide particles, phosphate, bisphenol A epoxy resin and perlite into a stirrer according to a ratio and stirring to obtain a mixed solution;
f. and spraying the mixed solution on the steel pipe blank, and then heating and drying the steel pipe blank to obtain a steel pipe finished product with the protective layer.
6. The method of manufacturing a corrosion-resistant steel pipe as set forth in claim 5, wherein the steel pipe blank is subjected to pickling, phosphating, and saponification before the mixed solution is sprayed.
7. The method of manufacturing a corrosion-resistant steel pipe according to claim 5, wherein the surface of the steel pipe blank is inspected and inspected before the mixed liquid is sprayed, and defective products are removed.
8. The method of manufacturing a corrosion-resistant steel pipe according to claim 5, wherein the steel pipe is cut into a predetermined length by a cutter.
9. The method for preparing a corrosion-resistant steel pipe as recited in claim 5 wherein said dibutyltin dilaurate, silica particles, phosphate, bisphenol A epoxy resin, perlite are stirred in a stirrer at a speed of 180-350r/min for 15-35 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237871.5A CN113025166A (en) | 2021-03-04 | 2021-03-04 | Corrosion-resistant steel pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110237871.5A CN113025166A (en) | 2021-03-04 | 2021-03-04 | Corrosion-resistant steel pipe and preparation method thereof |
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| CN113025166A true CN113025166A (en) | 2021-06-25 |
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| CN202110237871.5A Pending CN113025166A (en) | 2021-03-04 | 2021-03-04 | Corrosion-resistant steel pipe and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352172A (en) * | 2011-09-05 | 2012-02-15 | 安徽省易达电子有限公司 | Epoxy resin metal corrosion resistant paint and preparation method thereof |
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| CN105155514A (en) * | 2015-08-20 | 2015-12-16 | 喻良军 | Anti-corrosion round tubular pile |
| CN105295659A (en) * | 2015-12-01 | 2016-02-03 | 苏州贝思特金属制品有限公司 | Preparation process of seamless steel tube |
| CN105603335A (en) * | 2016-01-19 | 2016-05-25 | 安徽涌畅铸件有限公司 | Production method of natural gas alloy steel pipe |
| CN105970093A (en) * | 2016-06-08 | 2016-09-28 | 马鞍山东兴铸造有限公司 | Novel wear-resistant material of shape steel and preparation method of wear-resistant material |
-
2021
- 2021-03-04 CN CN202110237871.5A patent/CN113025166A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352172A (en) * | 2011-09-05 | 2012-02-15 | 安徽省易达电子有限公司 | Epoxy resin metal corrosion resistant paint and preparation method thereof |
| CN104674135A (en) * | 2015-03-20 | 2015-06-03 | 苏州科胜仓储物流设备有限公司 | Anti-corrosion steel plate for shuttle type storage rack and thermal treatment process thereof |
| CN105155514A (en) * | 2015-08-20 | 2015-12-16 | 喻良军 | Anti-corrosion round tubular pile |
| CN105295659A (en) * | 2015-12-01 | 2016-02-03 | 苏州贝思特金属制品有限公司 | Preparation process of seamless steel tube |
| CN105603335A (en) * | 2016-01-19 | 2016-05-25 | 安徽涌畅铸件有限公司 | Production method of natural gas alloy steel pipe |
| CN105970093A (en) * | 2016-06-08 | 2016-09-28 | 马鞍山东兴铸造有限公司 | Novel wear-resistant material of shape steel and preparation method of wear-resistant material |
Non-Patent Citations (1)
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