Epoxy Resin Coated Steel Pipes excel with robust corrosion resistance, thanks to their epoxy coating that acts as a strong barrier against chemicals, moisture, and rust. This extends service life in harsh environments like water supply, sewage, and chemical pipelines.
The coating ensures smooth inner surfaces, reducing flow resistance and enhancing transport efficiency. Made from high-quality steel, they combine structural strength with durability, withstanding pressure and external impacts. Easy to install and maintain, they offer cost-effective performance across municipal, industrial, and infrastructure projects. Compliant with strict standards, these pipes guarantee reliable, long-term service.
Epoxy Resin Coated Steel Pipe combines the high strength of steel with the excellent corrosion resistance of epoxy resin coating. Its product features are as follows:
Excellent Corrosion Resistance: The epoxy resin coating has strong chemical inertness and does not react with most substances, so it has excellent resistance to acids, alkalis, salts, water, and other corrosive media. It can effectively isolate the steel pipe from the corrosive environment and prevent the occurrence of corrosion.
Good Mechanical Properties: It has the high strength, rigidity, and impact resistance of steel pipes. At the same time, the epoxy resin coating has strong internal cohesion and a dense molecular structure, so its mechanical properties are higher than those of general - purpose thermosetting resins such as phenolic resin and unsaturated polyester.
Smooth Inner Surface: The inner wall of the pipe is smooth, with a small resistance coefficient. The surface roughness is much lower than that of bare steel pipes, which can reduce fluid friction resistance, improve transportation efficiency, and save energy consumption. At the same time, it is not easy to scale and foul, reducing the need for maintenance and cleaning.
Good Adhesion: The epoxy resin coating has excellent adhesion to metal substrates. It can form a firm bond with the steel pipe surface, ensuring that the coating will not peel off or crack during use, and maintaining long - term corrosion protection performance.
Small Curing Shrinkage: The curing shrinkage rate of epoxy resin is generally 1% - 2%, which is one of the thermosetting resins with the smallest curing shrinkage rate. Its linear expansion coefficient is also very small, almost the same as that of steel pipes, which can ensure the stability of the coating and prevent problems such as cracking and peeling caused by thermal expansion and contraction.
Good Heat Resistance: The heat resistance of epoxy resin is generally 80 - 100 °C, and its heat - resistant varieties can reach 200 °C or higher, which can meet the use requirements in some high - temperature environments.
Good Fire Resistance: The epoxy resin (EP) material has excellent fire - resistance. Under high - temperature conditions, the coating will not fall off, bulge, or crack, which can play a certain role in fire protection and is suitable for applications with fire - resistance requirements such as fire - fighting pipelines.
Environmental Friendliness: Epoxy resin powder is an environmentally friendly and clean material. It will not have a negative impact on water quality when it comes into contact with water for a long time. It is suitable for the transportation of clean water, drinking water, and other fluids, and meets the relevant health and environmental protection standards.
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