CN216201254U - High-strength durable and good-effect seamless steel pipe - Google Patents
High-strength durable and good-effect seamless steel pipe Download PDFInfo
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- CN216201254U CN216201254U CN202122421884.6U CN202122421884U CN216201254U CN 216201254 U CN216201254 U CN 216201254U CN 202122421884 U CN202122421884 U CN 202122421884U CN 216201254 U CN216201254 U CN 216201254U
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Abstract
The utility model discloses a high-strength, durable and good-effect seamless steel pipe which comprises a base pipe, wherein the outer surface of the base pipe is fixedly connected with an outer pipe, the inner surface of the base pipe is fixedly connected with an inner pipe, the outer pipe comprises a first base layer, and the outer surface of the first base layer is fixedly connected with a stainless acid-resistant steel layer. According to the utility model, the outer pipe is fixedly connected to the outer surface of the base pipe, the stainless acid-resistant steel layer and the low-alloy steel layer which are arranged on the outer pipe have very high strength and have corrosion resistance and wear resistance, the inner pipe is fixedly connected to the inner surface of the base pipe, and the carbon structural steel layer and the low-carbon steel layer which are arranged on the inner pipe have very high strength and have corrosion resistance and wear resistance.
Description
Technical Field
The utility model relates to the technical field of seamless steel pipes, in particular to a high-strength, durable and good-effect seamless steel pipe.
Background
The seamless steel pipe is formed by punching a whole round steel, the surface of the seamless steel pipe is not provided with a welding seam, the seamless steel pipe is called as a seamless steel pipe, according to a production method, the seamless steel pipe can be divided into a hot rolling seamless steel pipe, a cold drawing seamless steel pipe, an extrusion seamless steel pipe, a pipe jacking and the like, and the existing seamless steel pipe does not have the function of high strength and good durable effect, so that the use requirements of people cannot be met, and therefore, the seamless steel pipe with high strength and good durable effect is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a seamless steel pipe with high strength and good durable effect, which has the advantage of good high strength and good durable effect and solves the problem that the existing seamless steel pipe cannot meet the use requirements of people because the existing seamless steel pipe does not have the function of good high strength and good durable effect.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength, durable and good-effect seamless steel pipe comprises a base pipe, wherein an outer pipe is fixedly connected to the outer surface of the base pipe, and an inner pipe is fixedly connected to the inner surface of the base pipe.
Preferably, the outer tube comprises a first substrate layer, the outer surface of the first substrate layer is fixedly connected with a stainless acid-resistant steel layer, and the inner surface of the first substrate layer is fixedly connected with a low-alloy steel layer.
Preferably, the thickness of the stainless acid-resistant steel layer is the same as that of the low alloy steel layer, and the thickness of the stainless acid-resistant steel layer is 0.56-0.59 times that of the first base layer.
Preferably, the inner tube comprises a second substrate layer, the outer surface of the second substrate layer is fixedly connected with a carbon structural steel layer, and the inner surface of the second substrate layer is fixedly connected with a low-carbon steel layer.
Preferably, the thickness of the carbon structural steel layer is the same as that of the low-carbon steel layer, and the thickness of the carbon structural steel layer is 0.44-0.46 times of that of the second substrate layer.
Preferably, the rear end of the outer tube is fixedly connected with a fixed seat, and a fixed hole is formed in the inner surface of the fixed seat.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the outer pipe is fixedly connected to the outer surface of the base pipe, the stainless acid-resistant steel layer and the low-alloy steel layer which are arranged on the outer pipe have very high strength and have corrosion resistance and wear resistance, the inner pipe is fixedly connected to the inner surface of the base pipe, and the carbon structural steel layer and the low-carbon steel layer which are arranged on the inner pipe have very high strength and have corrosion resistance and wear resistance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of an outer tube according to the present invention;
FIG. 3 is a schematic sectional view of the inner tube of the present invention.
In the figure: 1. a substrate tube; 2. an outer tube; 201. a first substrate layer; 202. a stainless acid resistant steel layer; 203. a low alloy steel layer; 3. an inner tube; 301. a second substrate layer; 302. a carbon structural steel layer; 303. a low carbon steel layer; 4. a fixed seat; 5. and (7) fixing holes.
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 of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The components of the substrate tube 1, the outer tube 2, the first substrate layer 201, the stainless acid-resistant steel layer 202, the low-alloy steel layer 203, the inner tube 3, the second substrate layer 301, the carbon structural steel layer 302, the low-carbon steel layer 303, the fixing seat 4 and the fixing hole 5 are all universal standard components or components known by those skilled in the art, and the structure and the principle of the components can be known by technical manuals or conventional experimental methods.
Referring to fig. 1 to 3, a high-strength, durable and effective seamless steel pipe includes a base pipe 1, an outer pipe 2 fixedly connected to an outer surface of the base pipe 1, the outer pipe 2 including a first base layer 201, a stainless acid-resistant steel layer 202 fixedly connected to an outer surface of the first base layer 201, a low alloy steel layer 203 fixedly connected to an inner surface of the first base layer 201, the stainless acid-resistant steel layer 202 having a thickness equal to that of the low alloy steel layer 203, the stainless acid-resistant steel layer 202 having a thickness 0.56 to 0.59 times that of the first base layer 201, an inner pipe 3 fixedly connected to an inner surface of the base pipe 1, the inner pipe 3 including a second base layer 301, a carbon structural steel layer 302 fixedly connected to an outer surface of the second base layer 301, a low carbon steel layer 303 fixedly connected to an inner surface of the second base layer 301, the carbon structural steel layer 302 having a thickness equal to that of the low carbon steel layer 303, and the carbon structural steel layer 302 having a thickness 0.44 to 0.46 times that of the second base layer 301, rear end fixedly connected with fixing base 4 of outer tube 2, fixed orifices 5 have been seted up to the internal surface of fixing base 4, outer fixed surface at substrate pipe 1 is connected with outer tube 2, the stainless acid-resistant steel layer 202 and the low-alloy steel layer 203 that outer tube 2 includes all have very high intensity, possess anticorrosive and wear-resisting performance simultaneously, internal fixed surface at substrate pipe 1 is connected with inner tube 3, carbon element structural steel layer 302 and low carbon steel layer 303 that inner tube 3 includes all have very high intensity, possess anticorrosive and wear-resisting performance simultaneously, cooperation through above structure, the durable effectual purpose of high strength has been reached.
During the use, outer fixedly connected with outer tube 2 at base pipe 1, the stainless acid-resistant steel layer 202 and the low-alloy steel layer 203 that outer tube 2 includes all have very high intensity, possess anticorrosive and wear-resisting performance simultaneously, internal surface fixedly connected with inner tube 3 at base pipe 1, carbon element structure steel layer 302 and low carbon steel layer 303 that inner tube 3 includes all have very high intensity, possess anticorrosive and wear-resisting performance simultaneously, cooperation through above structure, the lasting durable effectual purpose of high strength has been reached, the problem of current seamless steel pipe does not possess the lasting durable effectual function of high strength has been solved, lead to not satisfying people's user demand's problem.
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 durable effectual seamless steel pipe of high strength, includes substrate pipe (1), its characterized in that: the outer surface of the substrate pipe (1) is fixedly connected with an outer pipe (2), and the inner surface of the substrate pipe (1) is fixedly connected with an inner pipe (3).
2. The seamless steel pipe of claim 1, which has high strength, durability and good effect, wherein: the outer tube (2) comprises a first substrate layer (201), a stainless acid-resistant steel layer (202) is fixedly connected to the outer surface of the first substrate layer (201), and a low-alloy steel layer (203) is fixedly connected to the inner surface of the first substrate layer (201).
3. The seamless steel pipe of claim 2, which has high strength, durability and good effect, wherein: the thickness of the stainless acid-resistant steel layer (202) is the same as that of the low-alloy steel layer (203), and the thickness of the stainless acid-resistant steel layer (202) is 0.56-0.59 times of that of the first substrate layer (201).
4. The seamless steel pipe of claim 1, which has high strength, durability and good effect, wherein: the inner tube (3) comprises a second substrate layer (301), the outer surface of the second substrate layer (301) is fixedly connected with a carbon structural steel layer (302), and the inner surface of the second substrate layer (301) is fixedly connected with a low-carbon steel layer (303).
5. The seamless steel pipe of claim 4, which has high strength, durability and good effect, wherein: the thickness of the carbon structural steel layer (302) is the same as that of the low-carbon steel layer (303), and the thickness of the carbon structural steel layer (302) is 0.44-0.46 times that of the second substrate layer (301).
6. The seamless steel pipe of claim 1, which has high strength, durability and good effect, wherein: the rear end fixedly connected with fixing base (4) of outer tube (2), fixed orifices (5) have been seted up to the internal surface of fixing base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421884.6U CN216201254U (en) | 2021-10-09 | 2021-10-09 | High-strength durable and good-effect seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122421884.6U CN216201254U (en) | 2021-10-09 | 2021-10-09 | High-strength durable and good-effect seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201254U true CN216201254U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122421884.6U Active CN216201254U (en) | 2021-10-09 | 2021-10-09 | High-strength durable and good-effect seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201254U (en) |
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2021
- 2021-10-09 CN CN202122421884.6U patent/CN216201254U/en active Active
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