Plastic-coated composite steel tube

A technology for composite steel pipes and steel pipes, applied in the field of steel pipes, can solve problems such as inseparable transportation pipes, sealing performance, anti-corrosion performance, mechanical strength of fluid resistance, and application range of service life that cannot meet the needs.

Inactive Publication Date: 2015-02-25
丁春英
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] At present, with the rapid development of the national economy, the construction of urban and rural infrastructure is also gradually improving. The industries related to people's life, such as fire protection, water supply, construction, gas and coal mines, cannot do without transportation pipes. , anti-corrosion performance, fluid resistance, mechanical strength, service life, scope of application, etc. cannot meet the demand

Method used

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  • Plastic-coated composite steel tube

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0013] A plastic-coated composite steel pipe comprises a steel pipe body 1 , an outer epoxy resin layer 3 is provided on the outer wall 2 of the steel pipe body 1 , and an inner epoxy resin layer 5 is provided on the inner wall 4 of the steel pipe body 1 .

[0014] The diameter of the steel pipe body 1 is 50-1200mm.

[0015] The thickness of the outer epoxy resin layer 3 is 0.30-0.5mm. .

[0016] The thickness of the inner epoxy resin layer 5 is 0.30-0.45mm.

[0017] Due to the adoption of the above structure, compared with plastic pipes, the present invention has the advantages of high mechanical strength, corrosion resistance, small friction coefficient, long service life, etc. etc., and the application range of the present invention is wider, and at the same time, it also has good weather resistance.

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Abstract

A plastic-coated composite steel tube comprises a steel tube body (1), wherein an external epoxy resin layer (3) is arranged on the outer wall (2) of the steel tube body (1); and an internal epoxy resin layer (5) is arranged on the inner wall (4) of the steel tube body (1). By the structure, the plastic-coated composite steel tube has the advantages of high mechanical strength, corrosion resistance, low friction coefficient, long service life and the like. Moreover, the plastic-coated composite steel tube is high in corrosion resistance, high in flame retardancy, high in antistatic property and high in weather resistance.

Description

technical field [0001] The invention relates to a steel pipe, in particular to a plastic-coated composite steel pipe. Background technique [0002] At present, with the rapid development of the national economy, the construction of urban and rural infrastructure is also gradually improving. The industries related to people's life, such as fire protection, water supply, construction, gas and coal mines, cannot do without transportation pipes. , anti-corrosion performance, fluid resistance, mechanical strength, service life, scope of application, etc. cannot meet the demand. Therefore, the pipeline industry is in urgent need of faster development. Contents of the invention [0003] The present invention is to provide a plastic-coated composite steel pipe to overcome the above defects. The steel pipe has strong adhesion, smooth wall surface, low fluid resistance, and good antistatic, flame retardant and weather resistance properties. [0004] To achieve the above object, th...

Claims

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Application Information

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IPC IPC(8): F16L9/14
CPCF16L9/147F16L58/1009F16L58/1054
Inventor 丁春英
Owner 丁春英
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