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AWWA C210 is a liquid epoxy resin anti-corrosion coating system standard developed by the American Water Engineering Association for steel water pipelines. This standard specifies the material properties, construction processes, and quality testing requirements for anti-corrosion coatings, and is applicable to the anti-corrosion protection of steel pipes in drinking water transportation systems.
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Standard definition of AWWA C210 anti-corrosion steel pipe
AWWA C210 is a liquid epoxy resin anti-corrosion coating system standard developed by the American Water Engineering Association for steel water pipelines. This standard specifies the material properties, construction processes, and quality testing requirements for anti-corrosion coatings, and is applicable to the anti-corrosion protection of steel pipes in drinking water transportation systems. The core of its technology lies in the long-term anti-corrosion of the inner and outer surfaces of steel pipes through liquid epoxy resin coating, and the durability and safety of pipelines in harsh environments.
Application Fields and Product Features
Anti corrosion steel pipes that comply with AWWA C210 standards are mainly used for drinking water transportation, municipal water supply, and industrial water delivery systems, as well as for special scenarios such as automotive brake fluid transmission. Its characteristics include high adhesion (≥ 30N/10mm), chemical corrosion resistance, anti-static, flame retardant, and high temperature resistance, which can effectively resist scale formation and microbial erosion, ensuring the safety and efficiency of fluid transmission. For example, when combined with this standard, mining double resistance coated steel pipes can provide reliable anti-corrosion protection in high-risk environments such as mines.
Production process and technological advantages
The production process of such steel pipes usually includes steps such as surface sandblasting, epoxy powder coating or liquid epoxy resin coating, and high-temperature curing. For example, when using fusion bonded epoxy powder (FBE) technology, the steel pipe is heated to 250 ℃ and then subjected to electrostatic spraying to form a uniform coating, which is then solidified with residual heat to form a dense protective layer. Its technological advantages are reflected in the high physical and mechanical strength, strong impact resistance, and no by-products during the construction process of the coating, which meets environmental protection requirements. Some manufacturers also combine double-layer polyethylene (2PE) or three-layer polyolefin (3PE) processes to further enhance anti-corrosion performance.
Engineering Cases and Quality Certification
AWWA C210 anti-corrosion steel pipe has been successfully applied in major projects such as the South to North Water Diversion Project and urban centralized heating pipeline network. Its quality has passed the health testing of the Chinese Center for Disease Control and Prevention, the API certification of the American Petroleum Institute, and the PED safety certification of the European Union. For example, internal and external epoxy composite steel pipes exhibit smooth inner walls and anti scaling properties in water transmission projects, while the external 3PE internal fusion bonded epoxy coating structure balances corrosion resistance and mechanical damage resistance. Some products can also be customized with special functions such as flame retardancy and anti-static to meet the needs of different engineering scenarios.
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