Steel Wire Mesh Reinforced Plastic (Polyethylene) Composite Pipe
Over the past two decades, new types of plastic pipes have been widely adopted in fields such as municipal engineering, gas supply, and power plant water intake. In particular, with continuous optimization and innovation in polyethylene polymerization technologies, polyethylene materials with ever-higher tensile strengths have emerged, significantly expanding the pressure rating range for plastic pipes. Especially in recent years, interdisciplinary research has led to the development of steel-plastic composite technology, which has effectively addressed key challenges faced by polyethylene (PE) pipes—including pressure ratings, corrosion resistance, and effective flow diameters—thus broadening their application scope in fluid transportation. Structure: This product features a core layer reinforced by high-strength steel wires continuously wound and coated, serving as the structural backbone. The core layer is then integrally compounded with specialized hot-melt adhesive and plastic through an extrusion molding process.
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Steel Wire Mesh Reinforced Polyethylene Composite Pipe
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Product Details
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Long service life 
Ultra-high strength 
Environmentally friendly and non-toxic 
Corrosion-resistant 
Easy to handle and install. 
Excellent sealing performance 
Smooth inner wall 
Long-lasting and weather-resistant
| Project | Indicator | ||
| Hydraulic test | Water Supply Series | Temperature: 20℃; Time: 1 hour; Pressure: Nominal pressure × 2 | Does not rupture, does not leak |
| Temperature: 60℃; Time: 165 hours; Pressure: Nominal pressure × 1.2 | |||
| Temperature: 60℃; Time: 1000 h; Pressure: Nominal pressure × 1.1 | |||
| Burst Pressure Test | Water Supply Series | Temperature: 20℃; Burst pressure ≥ Nominal pressure × 3.0 | Blasting |
| Thermal stability (200℃) min | >20 | ||
| Weathering resistance (after the pipe material has cumulatively absorbed 23.5 GJ/m² of aging energy) | Meet the hydraulic testing requirements for this standard solution and maintain good weldability. | ||
Nominal Pressure Correction Factor
| Temperature t/℃ | 0 ≤ t ≤ 20 | 20 ≤ t ≤ 30 | 30 ≤ t ≤ 40 | 40 ≤ t ≤ 50 | 50 ≤ t ≤ 60 | 60 ≤ t ≤ 70 | 70 ≤ t ≤ 80 |
| Correction factor | 1 | 0.95 | 0.9 | 0.86 | 0.81 | 0.76 | 0.71 |
Peeling strength: The test shall be conducted in accordance with the test method specified in GB/T32439-2015, and the peeling strength value shall be ≥150 N/cm.
Performance Comparison Table for Steel Wire Mesh-Reinforced Polyethylene Composite Pipes vs. Steel Pipes and Ductile Iron Pipes
| Comparison item | Material | Health/environmental friendliness | Corrosion resistance | Withstand Voltage/Impact Resistance | Hydraulic characteristics |
| Steel Wire Mesh Reinforced Plastic (Polyethylene) Composite Pipe | High-density polyethylene, high-strength steel wire (HDPE/ST) | Green and environmentally friendly | It features dual-sided anti-corrosion properties, with excellent resistance to acids, alkalis, and chemical corrosion, as well as superior resistance to soil electrochemical corrosion. | Composite pipes have a pressure-bearing capacity that far exceeds that of pure plastic pipes, coming close to that of steel pipes. | The pipe wall does not scale, and the flow capacity is strong. |
| Steel pipe | Steel (ST) | There is secondary pollution and it is prone to rusting. | Corrosion protection is difficult to achieve, and localized corrosion resistance is poor; corrosion protection projects are expensive. | Good voltage resistance performance | The inner wall is rough, resulting in high water resistance and a tendency to scale buildup, which reduces flow capacity. |
| Ductile iron pipe | Iron (ST) | Prone to bacterial growth and likely to develop “yellow water” phenomenon. | Requires lining and anti-corrosion treatment; poor corrosion resistance. | Poor impact resistance | The pipe wall is rough, resulting in poor relative flow capacity. |
| Connection and sealing performance | Monomer mass | Construction Period Costs | Thermal insulation | Lifespan |
| Excellent sealing performance and high connection reliability. | Composite pipe units are lightweight; taking dn400 as an example, the weight of a composite pipe is 25 kg/m, which is only half that of a steel pipe. | Short construction period, lower investment in manpower, materials, and financial resources, and low construction costs. | Steel pipes have a high thermal conductivity (48 W/m²·K), so when transporting these media, appropriate thermal insulation measures must be taken. Typically, a relatively thick layer of polyurethane insulation material is applied to the outer surface of the steel pipe. | 50 years |
| High human factor involvement; operation is relatively complex. | The individual weight of the pipe material is substantial; taking 420*6 as an example, the weight is approximately 63 kg/m. | The construction period is relatively long, requiring significant human, material, and financial resources, resulting in high construction costs. | Good voltage resistance performance | 10-25 years |
| Construction conditions are relatively demanding, and installation quality is significantly influenced by human factors. | Single-unit weight: DN400: 81.00 kg/m | The construction is complex, the construction period is long, and the total construction cost is high. | Poor impact resistance | 10-25 years |
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