| Model NO. | DH-SRTP-NMGSG |
| Water Absorption | 0.12%~0.25% |
| Contraction Percentage | 1.0%~2.5% |
| Tensile Strength | 41~50MPa |
| Diameter | 20-1200 mm |
| Oxidation Induction Time | Above 40min |
| Nominal Strain at Fracture | ≥400% |
| Tensile Yield Stress | ≥21MPa |
| Ash Content | ≤0.1% |
| Resistant to Slow Crack Growth | 80℃, 500h, No Crack ; No Leakage |
| Raw Material | High Quality Copper Steel, Modified Raw Material |
| Application | Mining Tailing, Waste Backfill System, No-Coal Mine |
| Color | Black and White Inner |
| Technology | Co-Extruded |
| Transport Package | by Truck, by Train, by Sea |
| Trademark | DHPI |
| Origin | China |
| HS Code | 7303009000 |
| Production Capacity | 500000 Kilometers /Year |
Product Description
Our wear-resistant steel wire reinforced composite pipes are meticulously engineered to endure the harshest abrasion and impact scenarios, ensuring unmatched durability and extended service life in the most challenging operating environments. These exceptional pipes blend the formidable strength of steel wire reinforcement with the enduring resilience of advanced composite materials, delivering unwavering and reliable solutions for the conveyance of abrasive fluids or slurries in the most demanding industrial applications.
Boasting a unique construction, this pipe features an intricately integrated steel wire skeleton, seamlessly combined with high-quality composite materials such as high-density polyethylene (HDPE) or polypropylene (PP). This synergy creates an extraordinarily robust and durable pipeline. The embedded steel wire reinforcement significantly fortifies the structural integrity of the pipe, while the advanced composite materials provide outstanding corrosion resistance and superior wear performance, ensuring reliability and longevity.
Our Advantages
1. Our dedicated R & D team excels in independent design and development from the raw materials source, boasting comprehensive manufacturing capabilities and proprietary rights. We independently develop and produce elastic, wear-resistant materials, mastering the core science and technology to guarantee product excellence.
2. Donghong's specialized high-pressure pipe fittings factory manufactures a diverse range of fittings for various projects. We also offer customisation services to tailor pipe fittings according to specific customer requirements and unique project environments.
3. The Donghong construction team specializes in a myriad of pipeline services including installation, cleaning, pressure testing, drying, replacement, cathodic protection, hydraulic protection, fiber optic cable laying, pipeline lining repair using HDPE, CIPP technology, and PCM audio leakage detection. With extensive experience accumulated over years in diverse and complex environments such as mountains, paddy fields, and ponds, we have honed our expertise in specialized pipeline construction for sectors including mining, oilfields, civil infrastructure, and more.
Connection Method

1. Electrofusion Welding: This advanced technique involves the use of specialized equipment to meticulously heat the pipe ends and fittings, ensuring the material melts and fuses seamlessly together for an exceptionally strong bond.
2. Butt Fusion Welding: Similar to electrofusion welding, butt fusion welding expertly heats the pipe ends and then presses them together to form a flawless, seamless joint, providing unparalleled integrity.
3. Flange Connections: Flange connections employ robust flanges affixed to the pipe ends, which are then securely bolted together using gaskets to create an airtight and watertight seal.
4. Mechanical Couplings: Mechanical couplings offer a quick and efficient solution for joining pipe sections, utilizing compression fittings or clamps for a reliable and straightforward connection.
5. Threaded Connections: Certain steel wire reinforced PE composite pipes are designed with threaded ends, allowing them to be easily screwed together with compatible fittings or adapters, providing a versatile connection method.
1. Exceptional Wear Resistance: The integration of steel wire reinforcement with high-end wear-resistant composite materials ensures outstanding resistance to abrasion, erosion, and impact, guaranteeing an extended service life even in the most demanding environments.
2. High Strength and Durability: Reinforced with steel wire, these pipes exhibit exceptional structural strength and durability, effortlessly withstanding high pressure and mechanical stress without any risk of deformation or failure.
3. Corrosion Resistance: Crafted from superior composite materials, these pipes offer exceptional resistance to corrosion, making them ideal for transporting corrosive fluids or slurries in industries such as chemical processing and mining.
4. Lightweight and Easy to Install: Despite their robust construction, these wear-resistant steel wire reinforced composite pipes are remarkably lightweight, making them easy to handle, transport, and install, thus reducing labor and installation costs.
5. Flexibility and Versatility: The inherent flexibility of the composite materials allows the pipe to adapt and conform to varied terrains, making it suitable for a wide range of applications including mining, dredging, wastewater treatment, and industrial processing.
6. Smooth Inner Surface: The meticulously engineered smooth inner surface minimizes friction losses and significantly reduces the risk of clogging or scaling, thus enhancing the efficiency of fluid transportation systems.
7. Long Service Life: Thanks to their superior wear resistance and durability, these composite pipes boast a significantly longer service life in comparison to traditional materials like steel or concrete, resulting in lower maintenance and replacement costs over time.

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