10 Inch 20inch Pn16 PE Steel Wire Mesh Skeleton Composite Pipe HDPE Polyethylene Pipe. 50-Year Service Life: Good wear resistance ensures a service life of 50 years under normal use. High Pressure Resistance: Steel skeleton composite structure offers higher compressive pressure and creep resistance. Corrosion Resistant: Inner and outer plastic layers provide excellent anti-corrosion performance. Flexible Connection: Electric fusion connection ensures fast construction and leak-proof joints. Low Friction Loss: Smooth inner wall reduces water flow friction and energy consumption. Customizable Options: Supports customization for connection way, pressure rate, SDR, length, and color.