DN1000 3PE Anti-Corrosion Steel Pipe for Gas Transmission
The Safety Foundation for High-Pressure Transmission in Harsh Environments
Triple-Layer Composite Anti-Corrosion
FBE+AD+PE structure combines chemical stability with mechanical strength, resisting all types of corrosion.
50-Year Design Life
Suitable for corrosive soil and high humidity environments, ensuring long-term stable operation of pipeline networks.
High-Pressure Transmission Guarantee
Optional X70 high-strength steel base material, welded connection ensures high-pressure sealing.
Core Technical Parameters
| Parameter Category | Technical Specifications | Standards |
|---|---|---|
| Diameter Range | DN200 - DN3200 (Customizable) | GB/T 23257-2009 SY/T0413-2002 DIN30670 |
| Base Material | Q235B / L245 / X70 etc. | |
| Corrosion Protection Level | Normal Grade (≥2.5mm) / Enhanced Grade (≥3.0mm) | |
| Connection Type | Welded / Flanged / Grooved |
Application Scenarios & Advantages
Primary Applications
- Natural Gas Transmission: Main pipelines, distribution networks
- Petrochemical Transportation: Crude oil, refined products
- Water Supply Networks: Municipal water supply and industrial water
- Mining Industry: Slurry transport, mine drainage
Technical Advantages
- Superior Corrosion Resistance: Effective against chemical and electrochemical corrosion
- Enhanced Mechanical Properties: Outstanding impact resistance and flexibility
- Easy Installation: Lightweight design, simplified construction
- Cost-Effective: Reduced maintenance costs, extended service life
Manufacturing Process
01
Surface Preparation
Shot blasting cleaning to Sa2.5 standard, ensuring optimal coating adhesion
02
FBE Coating Application
Fusion bonded epoxy primer applied at 200-250°C for excellent chemical resistance
03
3PE Layer Construction
Adhesive and polyethylene layers applied for comprehensive protection
Quality Assurance & Testing
Testing Standards
- • Holiday Detection Test (100% inspection)
- • Adhesion Test (cross-cut method)
- • Impact Resistance Test
- • Cathodic Disbondment Test
- • Thermal Cycling Test
Quality Certifications
- • ISO 9001:2015 Quality Management
- • ISO 14001:2015 Environmental Management
- • OHSAS 18001 Occupational Health & Safety
- • API 5L Pipeline Steel Pipe Certification
- • CE Marking for European Markets
Contact Hebei Hengyuan Industrial Co., Ltd.
Professional pipeline solutions, trusted by industries worldwide