CN215908570U - Seamless steel pipe with good weather resistance and good abrasion resistance effect - Google Patents
Seamless steel pipe with good weather resistance and good abrasion resistance effect Download PDFInfo
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- CN215908570U CN215908570U CN202121994135.6U CN202121994135U CN215908570U CN 215908570 U CN215908570 U CN 215908570U CN 202121994135 U CN202121994135 U CN 202121994135U CN 215908570 U CN215908570 U CN 215908570U
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Abstract
The utility model discloses a seamless steel pipe with good weather resistance and good abrasion resistance effect, which comprises a base layer, a maraging steel layer and a precipitation hardening stainless steel layer, wherein the outer surface of the maraging steel layer is coated with an outer anti-corrosion layer, the outer anti-corrosion layer comprises a polytetrafluoroethylene coating, an epoxy glass flake coating and a chlorinated rubber coating, the inner surface of the precipitation hardening stainless steel layer is coated with an inner anti-corrosion layer, and the inner anti-corrosion layer comprises a chlorosulfonated polyethylene coating, a silicon nitride ceramic coating and an ultrahigh molecular weight polyethylene coating. According to the utility model, under the mutual matching action of the outer anti-corrosion layer, the polytetrafluoroethylene coating, the epoxy glass flake coating, the chlorinated rubber coating, the inner anti-corrosion layer, the chlorosulfonated polyethylene coating, the silicon nitride ceramic coating and the ultra-high molecular weight polyethylene coating, the wear resistance, weather resistance and corrosion resistance of the seamless steel pipe are greatly improved, and the service life of the seamless steel pipe is further effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a seamless steel pipe with good weather resistance and good abrasion resistance.
Background
A steel pipe which is made of a whole metal and has no seam on the surface is called a seamless steel pipe, according to the production method, the seamless steel pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe, a top pipe and the like, the seamless steel pipe is divided into a round pipe and a special pipe according to the section shape, the special pipe has various complex shapes of a square pipe, an oval pipe, a triangle pipe, a hexagon pipe, a sunflower seed shape, a star shape and a finned pipe, the maximum diameter reaches 650mm, the minimum diameter is 0.3mm, the seamless steel pipe has a thick-wall pipe and a thin-wall pipe according to different purposes, and the seamless steel pipe is mainly used as a petroleum geological drilling pipe, a cracking pipe for petrochemical industry, a boiler pipe, a bearing pipe and a high-precision structural steel pipe for automobiles, tractors and aviation.
However, the existing seamless steel tube has poor weather resistance and corrosion resistance, is easily corroded by external corrosive substances in the using process, has poor wear-resisting effect, is easily worn on the surface in the using process, and reduces the service life of the seamless steel tube.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a seamless steel tube with good weather resistance and good abrasion resistance, which has the advantages of good abrasion resistance and good weather resistance and corrosion resistance, and solves the problems that the existing seamless steel tube has poor weather resistance and corrosion resistance, is easily corroded by external corrosive substances in the use process, has poor abrasion resistance and is easily abraded on the surface in the use process.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a seamless steel pipe that good abrasionproof of weatherability ability decreases effectually, includes basic unit, maraging steel layer and precipitation hardening stainless steel layer, the outer surface coating on maraging steel layer has outer anti-corrosion coating, outer anti-corrosion coating includes polytetrafluoroethylene coating, epoxy glass scale coating and chlorinated rubber coating, anti-corrosion coating in the internal surface coating on precipitation hardening stainless steel layer, interior anti-corrosion coating includes chlorosulfonated polyethylene coating, silicon nitride ceramic coating and ultra high molecular weight polyethylene coating.
Preferably, the inner surface of the layer of maraging steel is fixedly attached to the outer surface of the base layer and the outer surface of the layer of precipitation hardened stainless steel is fixedly attached to the inner surface of the base layer.
Preferably, the inner surface of the polytetrafluoroethylene coating is coated on the outer surface of the epoxy glass flake coating, and the inner surface of the epoxy glass flake coating is coated on the outer surface of the chlorinated rubber coating.
Preferably, the thickness of the epoxy glass flake coating is equal to that of the chlorinated rubber coating, and the thickness of the epoxy glass flake coating is equal to that of the polytetrafluoroethylene coating.
Preferably, the inner surface of the chlorosulfonated polyethylene coating is coated on the outer surface of the silicon nitride ceramic coating, and the inner surface of the silicon nitride ceramic coating is coated on the outer surface of the ultrahigh molecular weight polyethylene coating.
Preferably, the thickness of the chlorosulfonated polyethylene coating is equal to that of the ultrahigh molecular weight polyethylene coating, and the thickness of the silicon nitride ceramic coating is three-quarters of that of the chlorosulfonated polyethylene coating.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model forms multi-layer corrosion-resistant and weather-resistant protection on the outer surface of the seamless steel pipe by arranging the outer anti-corrosion layer, effectively reduces the corrosion probability of external substances to the seamless steel pipe, greatly improves the corrosion resistance and the weather-resistant performance of the seamless steel pipe, forms double-layer wear-resistant protection on the outer surface of the seamless steel pipe by arranging the polytetrafluoroethylene coating, the epoxy glass flake coating and the chlorinated rubber coating in the outer anti-corrosion layer, greatly improves the wear resistance of the seamless steel pipe and reduces the wear probability of the seamless steel pipe due to the excellent wear resistance of the polytetrafluoroethylene coating and the epoxy glass flake coating, and the chlorosulfonated polyethylene coating, the silicon nitride ceramic coating and the ultra-high molecular weight polyethylene coating in the inner anti-corrosion layer have excellent corrosion resistance and weather resistance, the multi-layer corrosion-resistant and weather-resistant protection is formed on the inner surface of the seamless steel pipe, the probability of erosion of external substances to the seamless steel pipe is effectively reduced, the corrosion resistance and weather resistance of the seamless steel pipe are greatly improved, and because the ultra-high molecular weight polyethylene coating and the silicon nitride ceramic coating both have excellent wear resistance, double-layer wear-resistant protection is formed on the inner surface of the seamless steel pipe, the wear resistance of the seamless steel pipe is greatly improved, the probability of abrasion of the seamless steel pipe is reduced, the wear resistance, weather resistance and corrosion resistance of the seamless steel pipe are greatly improved under the integral matching action, the service life of the seamless steel pipe is further effectively prolonged, the problems that the existing seamless steel pipe is poor in weather resistance and corrosion resistance, is easily corroded by external corrosive substances in the using process, and is poor in wear resistance effect are solved, the surface of the glass is easy to wear in the using process.
2. According to the seamless steel pipe, the maraging steel layer and the precipitation hardening stainless steel layer are arranged, and both the maraging steel layer and the precipitation hardening stainless steel layer have excellent strength, so that double-level strength protection is formed inside the seamless steel pipe, the probability that the seamless steel pipe is damaged under the action of external force is effectively reduced, and the strength of the seamless steel pipe is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of an inner corrosion protection layer according to the present invention;
FIG. 3 is a schematic view of the structure of the outer anti-corrosion layer according to the present invention.
In the figure: 1. an outer anti-corrosion layer; 11. a polytetrafluoroethylene coating; 12. epoxy glass flake coatings; 13. a chlorinated rubber coating; 2. a maraging steel layer; 3. a base layer; 4. a precipitation hardened stainless steel layer; 5. an inner anti-corrosion layer; 51. a chlorosulfonated polyethylene coating; 52. a silicon nitride ceramic coating; 53. an ultra high molecular weight polyethylene coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a seamless steel pipe with good weather resistance and good abrasion resistance comprises a base layer 3, a maraging steel layer 2 and a precipitation hardening stainless steel layer 4, wherein the inner surface of the maraging steel layer 2 is fixedly connected to the outer surface of the base layer 3, the outer surface of the precipitation hardening stainless steel layer 4 is fixedly connected to the inner surface of the base layer 3, and through the arrangement of the maraging steel layer 2 and the precipitation hardening stainless steel layer 4, because the maraging steel layer 2 and the precipitation hardening stainless steel layer 4 both have excellent strength, double-layer strength protection is formed inside the seamless steel pipe, the probability that the seamless steel pipe is damaged under the action of external force is effectively reduced, the strength of the seamless steel pipe is greatly improved, the outer surface of the maraging steel layer 2 is coated with an outer anti-corrosion layer 1, and the outer anti-corrosion layer 1 comprises a polytetrafluoroethylene coating 11, The inner surface of a polytetrafluoroethylene coating 11 is coated on the outer surface of the epoxy glass scale coating 12, the inner surface of the epoxy glass scale coating 12 is coated on the outer surface of the chlorinated rubber coating 13, the thickness of the epoxy glass scale coating 12 is equal to that of the polytetrafluoroethylene coating 11, the inner surface of a precipitation hardening stainless steel layer 4 is coated with an inner anti-corrosion layer 5, the inner anti-corrosion layer 5 comprises a chlorosulfonated polyethylene coating 51, a silicon nitride ceramic coating 52 and an ultrahigh molecular weight polyethylene coating 53, the inner surface of the chlorosulfonated polyethylene coating 51 is coated on the outer surface of the silicon nitride ceramic coating 52, the inner surface of the silicon nitride ceramic coating 52 is coated on the outer surface of the ultrahigh molecular weight polyethylene coating 53, and the thickness of the chlorosulfonated polyethylene coating 51 is equal to that of the ultrahigh molecular weight polyethylene coating 53, the thickness of the silicon nitride ceramic coating 52 is three fourths of the thickness of the chlorosulfonated polyethylene coating 51, through the arrangement of the outer anti-corrosion layer 1, because the polytetrafluoroethylene coating 11, the epoxy glass flake coating 12 and the chlorinated rubber coating 13 in the outer anti-corrosion layer 1 have excellent corrosion resistance and weather resistance, multi-level corrosion resistance and weather resistance protection are formed on the outer surface of the seamless steel pipe, the probability of erosion of external substances to the seamless steel pipe is effectively reduced, the corrosion resistance and the weather resistance of the seamless steel pipe are greatly improved, and because the polytetrafluoroethylene coating 11 and the epoxy glass flake coating 12 both have excellent wear resistance, double-level wear resistance protection is formed on the outer surface of the seamless steel pipe, the wear resistance of the seamless steel pipe is greatly improved, the probability of abrasion of the seamless steel pipe is reduced, through the arrangement of the inner anti-corrosion layer 5, because the chlorosulfonated polyethylene coating 51, the silicon nitride ceramic coating 52 and the ultra-high molecular weight polyethylene coating 53 in the inner anti-corrosion layer 5 all have excellent corrosion resistance and weather resistance, multi-level corrosion resistance and weather resistance protection are formed on the inner surface of the seamless steel pipe, the probability of erosion of external substances to the seamless steel pipe is effectively reduced, the corrosion resistance and the weather resistance of the seamless steel pipe are greatly improved, and because the ultra-high molecular weight polyethylene coating 53 and the silicon nitride ceramic coating 52 both have excellent wear resistance, double-layer wear resistance protection is formed on the inner surface of the seamless steel pipe, the wear resistance of the seamless steel pipe is greatly improved, the probability of abrasion of the seamless steel pipe is reduced, under the action of integral cooperation, the wear resistance, the weather resistance and the corrosion resistance of the seamless steel pipe are greatly improved, and the service life of the seamless steel pipe is effectively prolonged, the problem of current seamless steel pipe's weatherability relatively poor with corrosion resisting property, easily receive the corruption of external corrosive substance in the use, and wear-resisting effect is relatively poor, its surface easily receives wearing and tearing in the use is solved.
The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods (such as thermal welding, ultrasonic welding, flux, welding, and fusion welding), and no specific description is made here.
When the seamless steel pipe is used, through the arrangement of the outer anti-corrosion layer 1, because the polytetrafluoroethylene coating 11, the epoxy glass scale coating 12 and the chlorinated rubber coating 13 in the outer anti-corrosion layer 1 have excellent corrosion resistance and weather resistance, multi-layer corrosion resistance and weather resistance protection are formed on the outer surface of the seamless steel pipe, the probability of erosion of external substances to the seamless steel pipe is effectively reduced, the corrosion resistance and the weather resistance of the seamless steel pipe are greatly improved, in addition, because the polytetrafluoroethylene coating 11 and the epoxy glass scale coating 12 have excellent wear resistance, double-layer wear resistance protection is formed on the outer surface of the seamless steel pipe, the wear resistance of the seamless steel pipe is greatly improved, the probability of abrasion of the seamless steel pipe is reduced, through the arrangement of the inner anti-corrosion layer 5, because the chlorosulfonated polyethylene coating 51 in the inner anti-corrosion layer 5, Silicon nitride ceramic coating 52 and ultra high molecular weight polyethylene coating 53 all possess splendid corrosion resistance and weather ability, multi-level corrosion-resistant and weather-resistant protection have been formed at this seamless steel pipe's internal surface, the effectual probability that external object causes the corruption to this seamless steel pipe that has reduced, very big improvement this seamless steel pipe's corrosion resistance and weather ability, and because ultra high molecular weight polyethylene coating 53 and silicon nitride ceramic coating 52 all possess splendid wear resistance, double-deck wear-resistant protection has been formed at this seamless steel pipe's internal surface, very big improvement this seamless steel pipe's wear resistance, the probability that this seamless steel pipe received the wearing and tearing has been reduced, under whole complex effect, very big improvement this seamless steel pipe's wear resistance and weather resistance, and then the effectual life who improves this seamless steel pipe.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a seamless steel pipe that good abrasionproof of weatherability ability decreases effectually, includes basic unit (3), maraging steel layer (2) and precipitation hardening stainless steel layer (4), its characterized in that: the outer surface coating of maraging steel layer (2) has outer anti-corrosion coating (1), outer anti-corrosion coating (1) includes polytetrafluoroethylene coating (11), epoxy glass flake coating (12) and chlorinated rubber coating (13), the internal surface coating of precipitation hardening stainless steel layer (4) has interior anti-corrosion coating (5), interior anti-corrosion coating (5) are including chlorosulfonated polyethylene coating (51), silicon nitride ceramic coating (52) and ultrahigh molecular weight polyethylene coating (53).
2. The seamless steel tube with good weather resistance and good abrasion resistance as claimed in claim 1, wherein: the inner surface of the maraging steel layer (2) is fixedly connected with the outer surface of the base layer (3), and the outer surface of the precipitation hardening stainless steel layer (4) is fixedly connected with the inner surface of the base layer (3).
3. The seamless steel tube with good weather resistance and good abrasion resistance as claimed in claim 1, wherein: the inner surface of the polytetrafluoroethylene coating (11) is coated on the outer surface of the epoxy glass flake coating (12), and the inner surface of the epoxy glass flake coating (12) is coated on the outer surface of the chlorinated rubber coating (13).
4. The seamless steel tube with good weather resistance and good abrasion resistance as claimed in claim 1, wherein: the thickness of the epoxy glass flake coating (12) is equal to that of the chlorinated rubber coating (13), and the thickness of the epoxy glass flake coating (12) is equal to that of the polytetrafluoroethylene coating (11).
5. The seamless steel tube with good weather resistance and good abrasion resistance as claimed in claim 1, wherein: the inner surface of the chlorosulfonated polyethylene coating (51) is coated on the outer surface of the silicon nitride ceramic coating (52), and the inner surface of the silicon nitride ceramic coating (52) is coated on the outer surface of the ultrahigh molecular weight polyethylene coating (53).
6. The seamless steel tube with good weather resistance and good abrasion resistance as claimed in claim 1, wherein: the thickness of the chlorosulfonated polyethylene coating (51) is equal to that of the ultrahigh molecular weight polyethylene coating (53), and the thickness of the silicon nitride ceramic coating (52) is three-fourths of that of the chlorosulfonated polyethylene coating (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121994135.6U CN215908570U (en) | 2021-08-24 | 2021-08-24 | Seamless steel pipe with good weather resistance and good abrasion resistance effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121994135.6U CN215908570U (en) | 2021-08-24 | 2021-08-24 | Seamless steel pipe with good weather resistance and good abrasion resistance effect |
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| Publication Number | Publication Date |
|---|---|
| CN215908570U true CN215908570U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121994135.6U Active CN215908570U (en) | 2021-08-24 | 2021-08-24 | Seamless steel pipe with good weather resistance and good abrasion resistance effect |
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| Country | Link |
|---|---|
| CN (1) | CN215908570U (en) |
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- 2021-08-24 CN CN202121994135.6U patent/CN215908570U/en active Active
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