Cangzhou City, Hebei Province, China

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Hebei Hengtong Pipe Fittings Group Co., Ltd.

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Epoxy‑powder‑coated steel pipes use steel pipe as the base material, with a fusion‑bonded epoxy powder coating applied to the outer surface. The product combines the high strength and excellent toughness of steel while forming a dense, uniform, and robust anti‑corrosion protective film on the pipe’s exterior. This coating completely isolates the steel substrate from corrosive media, delivering outstanding corrosion resistance and significantly extending the service life of the pipeline.

All products comply with international industry standards and can be customized to meet the needs of projects across multiple sectors. Our factory implements rigorous quality control throughout the entire production process, from raw material inspection to finished‑product dispatch. Standard testing procedures include visual inspection, coating thickness measurement, adhesion testing, and spark‑testing for leak detection, ensuring consistent product quality.

We offer comprehensive customization of pipe diameters, steel grades, and coating thicknesses to meet the diverse requirements of specialized projects. We warmly welcome global clients to discuss collaboration and establish long-term, stable partnerships.

Product Overview

Epoxy‑powder‑coated steel pipe consists of a steel pipe substrate and a fusion‑bonded epoxy powder protective coating. The product retains the inherent high mechanical strength and excellent toughness of steel while forming a dense, uniform, and robust anti‑corrosion barrier on the outer surface of the pipe. This barrier effectively isolates the steel substrate from the external corrosive environment, preventing both chemical and electrochemical corrosion and significantly extending the service life of the pipeline. Manufactured in strict accordance with international standards and available for custom specifications, the product meets the diverse requirements of industrial and construction applications, making it a widely adopted global solution for pipeline corrosion protection.

Quality Control and Factory Inspection

Quality control spans the entire production process, from raw material procurement to finished‑product shipment. Each batch of pipe undergoes standardized testing, with the following key inspection items:

Visual inspection

The coating surface was inspected and found to be smooth and uniform, free of defects such as bubbles, pinholes, cracks, sagging, and areas with insufficient coating, fully complying with industry standards.

Thickness Measurement

Using a high-precision thickness gauge, three random axial locations on the pipe are selected to measure the coating thickness, with the thickness tolerance maintained within ±10% of the design value.

Adhesion Testing

The bond strength between the coating and the steel pipe substrate shall be tested, with a minimum acceptable adhesion value of 12 MPa.

Electrospark Leak Detection

Use an electrical spark detector to perform full‑coverage scanning of the coating surface, identifying pinholes and coating defects. All detected imperfections must be thoroughly repaired before the product leaves the factory.

Customized Services

Standard‑specification epoxy‑powder‑coated steel pipes cannot fully meet the demands of all specialized engineering applications; therefore, our factory offers a comprehensive custom‑design service. Customizable parameters include pipe dimensions, steel grade, and coating thickness, allowing for flexible adjustments based on site conditions and corrosion‑protection requirements to ensure seamless compliance with project technical specifications.

Whether you require pipes in custom sizes or stringent, tailored corrosion‑resistance specifications, we can provide tailored epoxy powder‑coated pipeline solutions. Please feel free to submit a purchase inquiry—we look forward to establishing long‑term, stable partnerships with customers worldwide.

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UV-curable coating

Name: UV-curable coating
Brand: Hebei Hengtong Pipe Fittings Group Co., Ltd.
Availability: InStock

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Hengtong Pipe Fittings Group

Hebei Hengtong Pipe Fitting Group manufactures steel fittings with integrated R&D, production, sales and services. With independent IP rights, we focus on two core product lines: concrete pump components and premium industrial pipe fittings.