3PE Coated Steel Pipe
3PE coating provides excellent cathodic disbondment resistance and long service life for buried pipelines. It is the industry standard for buried oil & gas and water mains.
Structure
3-layer polyethylene: epoxy primer + adhesive + polyethylene top layer (reinforced grade available for higher temperature / mechanical protection).
Key Specifications
| Item | Range |
|---|---|
| Base Pipe | SSAW / LSAW / Seamless |
| Coating | 3-layer PE (epoxy + adhesive + PE), reinforced available |
| OD | 60 mm – 1820 mm (custom) |
| Standard | GB/T 23257, DIN 30670, API 5L |
Applications
- Buried oil & gas pipelines
- Water mains & transmission
Compare with TPEP (external 3PE + internal FBE) for water projects.