CN216127852U - Corrosion-resistant high-strength austenitic stainless steel seamless pipe - Google Patents
Corrosion-resistant high-strength austenitic stainless steel seamless pipe Download PDFInfo
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- CN216127852U CN216127852U CN202121336643.5U CN202121336643U CN216127852U CN 216127852 U CN216127852 U CN 216127852U CN 202121336643 U CN202121336643 U CN 202121336643U CN 216127852 U CN216127852 U CN 216127852U
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Abstract
The utility model discloses a corrosion-resistant high-strength austenitic stainless steel seamless pipe, which comprises a device main body, wherein the device main body comprises a stainless steel pipe, a through hole is formed in the middle of the stainless steel pipe, the stainless steel pipe comprises an outer stainless steel layer, a first wear-resistant layer is coated inside the outer stainless steel layer, the corrosion-resistant high-strength austenitic stainless steel seamless pipe relates to the technical field of stainless steel seamless pipes, and the corrosion-resistant high-strength austenitic stainless steel seamless pipe has the characteristics of high corrosion resistance and capability of being used in a high-strength environment in actual use.
Description
Technical Field
The utility model relates to the technical field of stainless steel seamless pipes, in particular to a corrosion-resistant high-strength austenitic stainless steel seamless pipe.
Background
Stainless steel is generally said to be a steel that does not easily rust, and in fact, some stainless steels have both stainless and acid (corrosion) resistance. Stainless steel is rustless and corrosion resistant due to the formation of a chromium-rich oxide film (passive film) on the surface thereof. This rust and corrosion resistance is relative. Tests show that the corrosion resistance of the steel is improved along with the increase of the chromium content in the steel in the weak media such as atmosphere, water and the like and the oxidizing media such as nitric acid and the like, and when the chromium content reaches a certain percentage, the corrosion resistance of the steel is suddenly changed, namely, the steel is easy to rust, difficult to rust, and is not corrosion-resistant to corrosion-resistant. Stainless steel is classified in many ways. Classified according to the structure at room temperature, there are martensitic, austenitic, ferritic and duplex stainless steels; the alloy can be classified into two major systems of chromium stainless steel and chromium-nickel stainless steel according to main chemical components; the corrosion resistant stainless steel can be classified into pitting corrosion resistant stainless steel, stress corrosion resistant stainless steel, intergranular corrosion resistant stainless steel and the like according to the corrosion resistant types; the stainless steel can be classified into non-magnetic stainless steel, free-cutting stainless steel, low-temperature stainless steel, high-strength stainless steel and the like according to functional characteristics. Stainless steel has a series of characteristics such as excellent corrosion resistance, formability, compatibility, toughness in a wide temperature range and the like, so that the stainless steel is widely applied to the industries such as heavy industry, light industry, living goods industry, architectural decoration and the like.
At present, the existing stainless steel seamless pipe has the following defects:
1. due to the severe working environment, the requirement on corrosion resistance and high temperature resistance is high, and the existing seamless steel pipe cannot meet the requirement;
2. meanwhile, the existing seamless steel pipe can not meet the requirements in some environments with requirements on the strength of stainless steel.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a corrosion-resistant high-strength austenitic stainless steel seamless pipe, which solves the problem that the existing seamless steel pipe can not meet the requirements due to the severe working environment and high requirements on corrosion resistance and high temperature resistance; meanwhile, the existing seamless steel pipe cannot meet the requirements in some environments with requirements on the strength of stainless steel.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a seamless pipe of corrosion-resistant high strength austenitic stainless steel, includes the device main part, the device main part includes nonrust steel pipe, set up the through-hole in the middle of the nonrust steel pipe, nonrust steel pipe includes outer stainless steel layer, the inside coating in outer stainless steel layer has first wearing layer.
Preferably, the bottom of the first wear-resistant layer is coated with a waterproof layer, and the bottom of the waterproof layer is clamped with the top of the carbon reinforced layer.
Preferably, the corrosion-resistant layer is coated inside the carbon reinforcing layer, and the bottom of the corrosion-resistant layer is fixedly connected with the top of the inner stainless steel layer.
Preferably, the bottom of the inner stainless steel layer is clamped with the top of the second wear-resistant layer.
(III) advantageous effects
The utility model provides a corrosion-resistant high-strength austenitic stainless steel seamless pipe. The method has the following beneficial effects:
(1) this corrosion-resistant high strength austenitic stainless steel seamless pipe, through the combination of each other of each part, great improvement the whole service strength of the device main part, simultaneously, also great improvement the holistic corrosion resistance of the device main part to and the wearability, thereby improved the life of the device main part, and also use under being fit for special environment more, great improvement the whole practicality of the device main part.
(2) This corrosion-resistant high strength austenitic stainless steel seamless pipe, when in-service use, have higher corrosion resistance, can be in the characteristics of using under the high strength environment, and simultaneously, the inside first wearing layer that coats on outer stainless steel layer and the inside second wearing layer that coats on interior stainless steel layer, great improvement the whole antifriction of the device main part, thereby the life of the device main part has been prolonged, and through the setting of carbon element enhancement layer, the thickness on this carbon element enhancement layer all is thicker than the thickness on outer stainless steel layer and interior stainless steel layer, in-process in-service use, the great improvement the bulk strength of the device main part of setting up of this enhancement layer carbon element, also more be fit for using under the special condition, relative ordinary stainless steel, the holistic use strength of the device main part is higher, and simultaneously, it is also more practical.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the internal structure of the whole body of the present invention;
fig. 3 is a longitudinal cross-sectional view of the utility model as a whole.
In the figure, 1-a device main body, 2-a stainless steel pipe, 3-a through hole, 4-an outer stainless steel layer, 5-a first wear-resistant layer, 6-a waterproof layer, 7-a carbon reinforced layer, 8-a corrosion-resistant layer, 9-an inner stainless steel layer and 10-a second wear-resistant layer.
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.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: a corrosion-resistant high-strength austenitic stainless steel seamless pipe comprises a device main body 1, wherein the device main body 1 comprises a stainless steel pipe 2, a through hole 3 is formed in the middle of the stainless steel pipe 2, the stainless steel pipe 2 comprises an outer stainless steel layer 4, a first wear-resistant layer 5 is coated inside the outer stainless steel layer 4, a waterproof layer 6 is coated at the bottom of the first wear-resistant layer 5, the bottom of the waterproof layer 6 is clamped with the top of a carbon reinforced layer 7, a corrosion-resistant layer 8 is coated inside the carbon reinforced layer 7, the bottom of the corrosion-resistant layer 8 is fixedly connected with the top of an inner stainless steel layer 9, the bottom of the inner stainless steel layer 9 is clamped with the top of a second wear-resistant layer 10, and the corrosion-resistant pipe has the characteristics of high corrosion resistance and can be used in a high-strength environment when in actual use, and meanwhile, the first wear-resistant layer 5 coated inside the outer stainless steel layer 4 and the second wear-resistant layer 10 coated inside the inner stainless steel layer 9 are coated, great improvement the whole antifriction of the device main part 1, thereby the life of the device main part 1 has been prolonged, and through the setting of carbon enhancement layer 7, the thickness of this carbon enhancement layer 7 is all thicker than outer stainless steel layer 4 and interior stainless steel layer 9, in-process at the in-process of in-service use, the great improvement the bulk strength of the device main part 1 that sets up of this carbon enhancement layer 7, also use under the more suitable special circumstances, relatively ordinary stainless steel, the holistic use strength of the device main part 1 is higher, and simultaneously, it is also more practical.
It should be noted that, the corrosion-resistant high-strength austenitic stainless steel seamless pipe has the characteristics of higher corrosion resistance and capability of being used in a high-strength environment in actual use, wherein the first wear-resistant layer 5 coated inside the outer stainless steel layer 4 and the second wear-resistant layer 10 coated inside the inner stainless steel layer 9 greatly improve the overall wear resistance of the device main body 1, so that the service life of the device main body 1 is prolonged, meanwhile, the waterproof layer 6 is arranged at the bottom of the first wear-resistant layer 5, so that the overall sealing performance of the device can be effectively improved, the corrosion resistance of the device main body 1 is also increased to a certain extent, the reinforcing layer 7 is arranged at the bottom of the waterproof layer 6, the thickness of the carbon reinforcing layer 7 is thicker than that of the outer stainless steel layer 4 and the inner stainless steel layer 9, and in the actual use process, the arrangement of the carbon reinforcing layer 7 greatly improves the overall strength of the device main body 1, also more be fit for using under the special circumstances, common stainless steel relatively, the holistic use strength of the device main part 1 is higher, simultaneously, also more practical, and the corrosion-resistant layer 8 that sets up bottom the carbon element enhancement layer 7, then great improvement the corrosion resistance of the device main part 1, can use under different environment, common stainless steel relatively, the corrosion resistance of the device main part 1 is stronger, great improvement the whole life of the device main part 1.
The utility model relates to a device, which comprises a device body 1, a stainless steel tube 2, a through hole 3, an outer stainless steel layer 4, a first wear-resistant layer 5, a waterproof layer 6, a carbon reinforcing layer 7, an anti-corrosion layer 8, an inner stainless steel layer 9 and a second wear-resistant layer 10, wherein the components are all universal standard components or components known by technical personnel in the field, and the structure and the principle of the components are known by the technical manual or conventional experimental methods; meanwhile, in the environment with requirements for the strength of stainless steel, the problem that the existing seamless steel pipe cannot meet the requirements is solved, the integral use strength of the device main body is greatly improved through the mutual combination of the parts, and meanwhile, the integral corrosion resistance and wear resistance of the device main body are also greatly improved, so that the service life of the device main body is prolonged, the device main body is more suitable for being used in special environments, and the integral practicability of the device main body is greatly improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a corrosion-resistant high strength austenitic stainless steel seamless pipe which characterized in that: including device main part (1), device main part (1) includes stainless steel pipe (2), set up through-hole (3) in the middle of stainless steel pipe (2), stainless steel pipe (2) are including outer stainless steel layer (4), the inside coating of outer stainless steel layer (4) has first wearing layer (5).
2. A corrosion-resistant high-strength austenitic stainless steel seamless tube according to claim 1, characterized in that: the bottom of the first wear-resistant layer (5) is coated with a waterproof layer (6), and the bottom of the waterproof layer (6) is clamped with the top of a carbon reinforced layer (7).
3. A corrosion-resistant high-strength austenitic stainless steel seamless tube according to claim 2, characterized in that: the carbon reinforcing layer (7) is coated with a corrosion-resistant layer (8), and the bottom of the corrosion-resistant layer (8) is fixedly connected with the top of the inner stainless steel layer (9).
4. A corrosion-resistant high-strength austenitic stainless steel seamless tube according to claim 3, characterized in that: the bottom of the inner stainless steel layer (9) is clamped with the top of the second wear-resistant layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336643.5U CN216127852U (en) | 2021-06-16 | 2021-06-16 | Corrosion-resistant high-strength austenitic stainless steel seamless pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121336643.5U CN216127852U (en) | 2021-06-16 | 2021-06-16 | Corrosion-resistant high-strength austenitic stainless steel seamless pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216127852U true CN216127852U (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121336643.5U Active CN216127852U (en) | 2021-06-16 | 2021-06-16 | Corrosion-resistant high-strength austenitic stainless steel seamless pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216127852U (en) |
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2021
- 2021-06-16 CN CN202121336643.5U patent/CN216127852U/en active Active
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Address after: 323700 Lot 5, phase II, Jingang Industrial Park, Tashi Township, Longquan City, Lishui City, Zhejiang Province Patentee after: Xinpu Special Materials Group Co.,Ltd. Address before: 323700 Lot 5, phase II, Jingang Industrial Park, Tashi Township, Longquan City, Lishui City, Zhejiang Province Patentee before: Zhejiang Xinpu metal material Co.,Ltd. |