Published:2024-07-23 | Last Updated: 2025-06-13 Views: 78
i. FBE-coated steel pipes (fusion bonded epoxy coating steel pipe) are corrosion-resistant pipes formed by applying epoxy powder to the surface of steel pipes using an electrostatic spraying process, combining excellent corrosion resistance with mechanical strength.
ii. Key features:
(1) Corrosion resistance: Resistant to acid, alkali, salt, and soil corrosion, with a theoretical service life of up to 50 years;
(2) Process Characteristics: Forms a continuous coating in a single fusion process, solvent-free and environmentally friendly, with a smooth inner surface for reduced friction;
(3) Application Scope: Widely used in oil and gas transportation, municipal water supply and drainage, fire protection systems, and marine engineering.
FBE coated steel pipes offer several benefits over traditional uncoated steel pipes.
Firstly, the FBE coating provides excellent adhesion to the steel substrate, which enhances the pipe's resistance to corrosive elements such as water, chemicals, and soil.
Additionally, the coating has a high resistance to abrasion and impact, making it ideal for use in environments where mechanical damage is a concern.
The smooth surface of the FBE coating also reduces friction, improving the flow efficiency of fluids transported through the pipe.
The versatility of FBE coated steel pipes makes them suitable for a wide range of applications.
In the oil and gas industry, these pipes are used for the transportation of oil, natural gas, and other hydrocarbons.
They are also utilized in water supply systems, where their corrosion resistance ensures the longevity of the infrastructure.
Furthermore, FBE coated pipes are employed in industrial and municipal projects, including wastewater treatment plants and chemical processing facilities, where they provide reliable performance in corrosive environments.
External Coating | |
Coating type | Coating Standard |
3LPE/3LPP | DIN30670-1991,CAN/CSA Z245,21-2010,ISO21809-1-2009 SY/T 0413-2002,GB/T23257-2009 |
2LPE/2LPP | SY/T 0315-2002,GB/T23257-2009,ISO21809-1-2009 |
FBE(Fusion-bond epoxy) | SY/T 0315-2005,AWWA C213-2001,CAN/CSAZ245.20-2010,ISO218909-2-2007,API RP5L9-2001 |
Bitumen coating
Enamel &Tape hot-applied | BS534-1990,AWWA203-2002,AWWA214-2000 |
Liquid epoxy coating | AWWWA C210-2007 |
Polyurethane insulated coating | SY/T0415-1996,CJ/T114-2000.EN253-1994 |
Internal Coating | |
Liquid Epoxy Coating | AWWAC210-2007 |
FBE | AWWAC213-2001 |
Cement Mortar Lining | BS534-1990,AWWA C205-2001 |
Bitumen Coating | BS534-1990 |
The manufacturing process of FBE coated steel pipes involves several steps to ensure a high-quality coating.
Initially, the steel pipe surface is cleaned and prepared through abrasive blasting to remove any contaminants and create a suitable profile for the coating.
The FBE powder is then applied to the heated pipe using an electrostatic spray gun, which ensures uniform coverage.
The coated pipe is subsequently cured in a high-temperature oven, where the epoxy powder melts and forms a continuous, durable coating. This meticulous process guarantees the coating's integrity and performance.
To ensure the reliability and effectiveness of FBE coated steel pipes, they are manufactured in accordance with stringent industry standards.
Organizations such as the American Petroleum Institute (API) and the International Organization for Standardization (ISO) have established guidelines for the production and testing of these pipes.
Quality control measures include inspections for coating thickness, adhesion, and resistance to various forms of degradation. By adhering to these standards, manufacturers can provide high-quality FBE coated steel pipes that meet the demands of their intended applications.