Anti-corrosion Steel Pipe

Anti-corrosion Steel Pipe

The anti-corrosion steel pipe used in sewage treatment engineering is a kind of product which is widely used now. I produced anti-corrosion steel pipe, not only in domestic sewage treatment plants and government sewage treatment works widely used, but also exported to other countries and regions, to participate in government sewage treatment works of the goods supply. Anti-Corrosion treatment strictly according to customer requirements, resolutely do not reduce the thickness of the coating, never use inferior coating raw materials.

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Anti-corrosion Steel pipe

The anti-corrosion steel pipe used in sewage treatment engineering is a kind of product which is widely used now. I produced anti-corrosion steel pipe, not only in domestic sewage treatment plants and government sewage treatment works widely used, but also exported to other countries and regions, to participate in government sewage treatment works of the goods supply. Anti-Corrosion treatment strictly according to customer requirements, resolutely do not reduce the thickness of the coating, never use inferior coating raw materials.

Anti corrosion Steel pipe.jpgClassification of anticorrosive Steel pipe
The classification of corrosion of steel pipelines and the destructive forms of metal pipelines corrosion phenomenon and mechanism is more complex, commonly used classification methods are as follows: according to the Corrosion of environmental classification, can be divided into chemical medium corrosion, atmospheric corrosion, seawater corrosion and soil corrosion, according to the characteristics of corrosion process and mechanism classification, Can be divided into chemical corrosion (including gas corrosion and corrosion in nonelectrolyte solution), electrochemical corrosion, physical corrosion and so on.
Corrosion forms of metal pipelines, there are two types of uniform corrosion and local corrosion, uniform corrosion in the entire metal pipe surface corrosion evenly, uniform corrosion is generally less dangerous.Local corrosion is the whole metal pipe confined to a certain area of corrosion, while the other parts are almost not corroded, localized corrosion including small hole corrosion, spot corrosion, galvanic corrosion, stress corrosion cracking, intergranular corrosion, wear and tear, hydrogen embrittlement, bacterial corrosion.

anti corrosion pipes.pngAnticorrosion steel pipe for sewage treatment
The surface of anticorrosive steel pipe for sewage treatment is impacted by high velocity and turbulent flow, and is damaged by wear and corrosion, which is called wear corrosion. The impact corrosion of anti-corrosion steel pipe is the main form of wear corrosion. Spiral steel pipe under the impact of high-speed fluid, protective film damage, at the break of the bare metal accelerated corrosion. If the fluid contains solid particles, the wear and corrosion of spiral steel pipe is more serious. Its outward appearance is: local groove, Ripple, round hole and valley shape, usually show directionality. Exposed to the movement of the equipment such as: tube, tee, valve, blower, centrifuge, impeller, heat exchanger, exhaust tube can produce impact corrosion. Soft metals such as copper and lead are more serious.
The anti-corrosion pipe used in sewage treatment is a steel pipe which can prevent or slow down the corrosion of chemical or electrochemical reaction in the process of transportation and use, which is processed by anticorrosion process. According to China's statistical data, the annual domestic steel pipe corrosion direct economic loss of more than 280 billion, the current global annual corrosion loss of steel pipe as high as 500 billion U.S. dollars. Anti-Corrosion steel pipe can effectively prevent or slow down corrosion to prolong the service life of steel pipe, reduce the operation cost of steel pipe. Epoxy anti-corrosion paint is epoxy resin, modified epoxy resin as the main film-forming substances of a class of coatings, with excellent adhesion resistance to chemical corrosion, good alkali resistance, coating hard, is the main anti-corrosion paint varieties. Mainly used for corrosion-resistant coating, such as large-scale chemical equipment, piping inside and outside the wall coating, can also be used in nonmetallic surfaces and wet tropical conditions used in electrical appliances, piping instruments.

Anticorrosion steel pipe02.jpg

Anti-Corrosion treatment
The external wall epoxy coal tar coating for sewage treatment is divided into two kinds: epoxy coal tar primer and epoxy coal tar surface paint according to its use function. The company epoxy Coal tar primer for solvent-based products, epoxy coal tar surface paint for the series, according to solid content is divided into solvent-free (GH201) and thick pulp (GH202) two types, and according to the coating when the heat temperature is divided into temperature-resistant type (in 150 ℃ use, add W) and standard type (in 100 ℃ use), for the user according to the actual requirements of anti-corrosion engineering selection.

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