FBE Steel Pipes: Corrosion Protection Redefined

What Makes FBE Coating the Gold Standard?

Fusion Bonded Epoxy (FBE) steel pipes represent a breakthrough in pipeline protection technology. Unlike conventional coatings, the thermosetting polymer forms a molecular bond with the steel substrate when cured at 200-250°C, creating an impermeable barrier that outperforms traditional solutions in two critical aspects:

1.Chemical Resistance：Withstands pH levels from 3 to 11, resisting saltwater, acids, and alkalis

2.Longevity：Certified for 30+ years service in ISO 21809-2 accelerated aging tests

Technical Specifications Breakdown

Dimensional Flexibility

Diameter Range: 60mm (small process lines) to 3000mm (major transmission mains)

Wall Thickness: Applicable to spiral welded pipe (SSAW), straight seam welded pipe (LSAW), etc. with wall thickness ranging from 5 to 40 mm (according to API 5L/ISO 3183 standard)

Temperature Tolerance: Single-layer FBE has a temperature resistance of -40°C (extremely cold conditions) to 100°C (steam cleaning compatibility).Double-layer FBE (DLFBE) has a temperature resistance of up to 150°C

The Science Behind the Coating Process

Surface Preparation Protocol

Base Preparation: Abrasive blast cleaning (Sa 2.5, ISO 8501)

Topcoat:Single-layer FBE (Standard), Dual-layer FBE (High-Temp/Abrosion Resistance)

Industry-Specific Applications

FBE steel pipe is widely used in key industries requiring stable performance:

Oil and gas transportation: FBE coated steel pipe is widely used in onshore and submarine oil and gas trunk lines to effectively cope with high saline soil, permafrost and other harsh environmental corrosion problems; resist H₂S/CO₂ corrosion in sour oil and gas field gathering pipeline network, and ensure the safe operation of shale gas high-pressure water injection system, typical example is the Alaskan oil pipeline polar service project.

Water conservancy and municipal engineering: as the core material of drinking water trunk pipe, food-grade FBE coating ensures water safety (NSF/61 certification), eliminating the risk of heavy metal precipitation; at the same time, it is used in highly corrosive municipal wastewater pressure pipe and seawater desalination plant discharge pipe, which can withstand the fluctuation of pH value and high chlorine ions, which is adopted in Singapore’s deep tunnel wastewater treatment system.

Industrial piping systems: used in the power industry for thermal power plant desulfurization flue pipe, resistance to 180 ℃ high temperature wet SO₂ corrosion; mining industry as tailings slurry conveying pipe, to withstand the wear and tear of high solids content slurry; chemical and paper industry to transport strong acid and alkali media, such as 40% concentration of sulfuric acid and 140 ℃ paper black liquor, to protect the integrity of the pipeline in extreme chemical environments.

New energy and marine engineering: serving in geothermal wells for high-temperature geothermal water transportation (150 ℃ working conditions), offshore wind power pile pipe anti-corrosion and tidal power station pressure piping, to meet the long-lasting protection of the marine salt spray environment; in the non-excavation project to become the preferred choice of directional drilling traversing pipeline, and its flexibility can withstand a bending radius of 40 times the diameter of the pipe without cracking.

Special infrastructure: used for anti-freezing pile pipes in polar ports (-50℃ low temperature environment), cooling water pipes in the radiation area of nuclear power plants and ultra-low temperature pipelines in LNG receiving stations; emerging hydrogen energy transmission field shows anti-hydrogen embrittlement characteristics, supporting the construction of energy transition infrastructure.

Advantages of FBE Steel Pipes

Excellent anti-corrosion protection

The FBE coating is chemically bonded to the steel pipe matrix, forming a continuous and dense barrier that effectively isolates it from moisture, chemical media and soil electrolytes, providing long-lasting corrosion protection.

Excellent environmental adaptability

The coating maintains stable protective performance in environments ranging from frozen soil to high temperature geothermal environments, and from deep-sea salt spray to industrial acidic and alkaline media, meeting the demands of complex working conditions around the world.

Excellent Physical Properties

The coating exhibits excellent adhesion and impact resistance, capable of withstanding mechanical stress during transportation and installation; its unique flexibility allows it to adapt to pipe bending construction, thereby minimizing the risk of cracking.

Convenient Construction Advantages

On-site repair processes are simple and efficient, with excellent compatibility with the pipe body coating, significantly reducing project timelines; supports special construction methods such as trenchless directional drilling.

Comprehensive Safety Compliance

Food-grade certification ensures drinking water safety, solvent-free formulations comply with stringent environmental standards, and the coating has obtained certification from major international corrosion protection systems.

Significant economic value

Low lifecycle maintenance costs significantly extend pipeline service life; 100% recyclable steel substrate aligns with sustainable development principles.

Our Packing

Package Protection:

Steel pipe ends are equipped with customized protection (bevel end and flat end difference design), and cushioning material is laid between pipe bodies to prevent coating friction.

Transportation fixation:

Special bracket to fix the pipe body, suitable for container transportation, bulk carrier transportation and special ships, optimized loading scheme for different pipe diameters.

Environmental control:

Transportation process to take measures to prevent rain and moisture, storage links to implement anti-ultraviolet coverage and environmental monitoring.

Intrinsic objective:

Protect the integrity of the coating and prevent pipe deformation to the maximum extent possible through standardized operating procedures.