3PE Coated Steel Pipe
Base Pipe Material: API 5L (B, X42, X52, X60, X65, X70, X80), ASTM A106/A53
Coating Standards: DIN 30670 and more
Size Range: 2" to 80" (DN50 - DN2000) or custom
Coating Thickness: 1.8mm to 4.7mm (Depending on pipe diameter & project requirements)
Operating Temp: -40°C to +80°C
End Finish:Bevelled Ends with PE-cutback (usually 100mm-150mm for welding)
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
3PE Coated Steel Pipe - Premium External Protection for Underground Pipelines
Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd. conveys enterprise-grade 3PE coated steel pipe arrangements sponsored by over 40 a long time of fabricating brilliance. Our progressed generation office ranges 7,000 square meters and accomplishes yearly deals surpassing RMB 100 million with month to month shipments outperforming 50 holders. Each product meets worldwide benchmarks counting Commotion 30670 and API 5L, including predominant three-layer polyethylene coating frameworks designed for 50-year benefit life in requesting underground applications.
3PE Coated Steel Pipe Overview
Our outside assurance frameworks speak to the apex of pipeline erosion avoidance innovation. The 3PE coating combines an epoxy groundwork, cement layer, and polyethylene topcoat to make an essentially impermeable boundary against dampness and soil chemicals. This demonstrated framework has gotten to be the gold standard for long-term underground erosion security worldwide.
You'll discover our coated channels basic for securing your important pipeline foundation in the most challenging situations. Whether you're managing with forceful soils, groundwater introduction, or extraordinary temperature varieties, our coating frameworks provide solid security that expands pipeline life significantly.

Key Features & Advantages
50-Year Service Life Protection
Our progressed three-layer framework gives extraordinary long-term toughness. The polyethylene topcoat stands up to mechanical harm whereas the epoxy preliminary guarantees prevalent steel adhesion.
Superior Cathodic Disbondment Resistance
Rigorous testing guarantees that indeed if coating harm happens, erosion won't spread beneath the defensive layers. This basic highlight keeps up pipeline astuteness all through the benefit life.
Project-Ready End Preparation
We give standardized cut-backs (uncoated pipe ends) that encourage quick field welding upon conveyance. This spares you important establishment time and decreases venture costs.
Complete Traceability
Every pipe gets hard-stamped distinguishing proof counting warm numbers, measures, and grades. Mill Test Certificates per EN 10204 3.1 go with each shipment for total quality documentation.
Technical Specifications
| Parameter | 3PE Coating | FBE Coating |
|---|---|---|
| Standards | DIN 30670, CAN/CSA Z245.20 | AWWA C213, API 5L |
| Layer Structure | Epoxy Primer + Adhesive + PE Topcoat | Single Fusion Bonded Epoxy |
| Total Thickness | 2.5-3.5mm | 250-500 microns |
| Operating Temperature | -40°C to +80°C | -40°C to +120°C |
| Pipe Diameter Range | DN50-DN2000 | DN15-DN1200 |
| Coating Color | Black, Blue, Yellow | Green, Blue, Clear |


Standards & Certifications
Our coating systems comply with multiple international standards ensuring global project compatibility:
- DIN 30670 - German standard for 3PE coating systems
- CAN/CSA Z245.20 - Canadian standards for external coating
- API 5L - American Petroleum Institute line pipe specifications
- AWWA C213 - American Water Works Association fusion bonded epoxy standard
- ISO 9001 - Quality management system certification
Chemical Composition & Mechanical Properties
Epoxy Primer Layer:
- Excellent steel adhesion properties
- Chemical resistance to soil acids and alkalis
- Temperature resistance up to 120°C
Polyethylene Topcoat:
- High density polyethylene (HDPE) construction
- Impact resistance: >15 J (23°C)
- Flexibility: No cracking at -40°C
Adhesive Layer:
- Copolymer hot melt adhesive
- Bridges primer and topcoat effectively
- Maintains bond integrity across temperature cycles
Manufacturing Process
Our state-of-the-art coating process ensures consistent quality and performance:
- Surface Preparation - Steel pipes undergo thorough cleaning and abrasive blasting to Sa 2.5 standard
- Epoxy Application - Electrostatic spray application of fusion bonded epoxy primer
- Adhesive Layer - Hot melt copolymer adhesive application while epoxy remains hot
- Polyethylene Coating - Extrusion application of high-density polyethylene topcoat
- Quality Testing - Comprehensive inspection including holiday detection and adhesion testing
Surface Finish & Coating Options
Standard Finishes:
- Black polyethylene (most common for buried applications)
- Blue polyethylene (water service identification)
- Yellow polyethylene (gas service identification)
Special Options:
- UV-resistant formulations for above-ground sections
- Enhanced impact resistance for rocky soil conditions
- Custom color options for specific project requirements
Applications
Underground Gas Distribution
Natural gas transmission and distribution networks benefit from our superior corrosion protection in urban and rural environments.
Water Main Systems
Municipal water infrastructure requires long-term reliability. Our 3PE coated steel pipe delivers decades of trouble-free service.
Offshore Pipeline Projects
Submerged pipeline sections demand exceptional protection against saltwater corrosion and marine environments.
Industrial Process Piping
Chemical plants and refineries rely on our coating systems for buried process lines and cooling water systems.
Cross-Country Transmission
Long-distance oil and gas pipelines trust our proven protection technology for critical infrastructure protection.

Packaging & Delivery
Your coated pipes receive careful packaging to preserve coating integrity during transport:
- Protective end caps on all pipe ends
- Wooden cradles or steel saddles for large diameter pipes
- Moisture-resistant wrapping for extended storage
- Container loading with proper dunnage and securing
Standard delivery timeframes range from 2-4 weeks depending on order size and coating specifications. Express production available for urgent projects.

Customization Service
We understand that every project has unique requirements. Our engineering team works closely with you to develop customized solutions:
- Custom Diameter Ranges - Special sizes beyond standard offerings
- Modified Coating Thickness - Enhanced protection for severe environments
- Specialized End Preparation - Custom cut-back lengths and beveling
- Project-Specific Testing - Additional quality verification per your specifications
Quality Control
Our comprehensive quality system ensures every pipe meets your exact requirements:
Incoming Material Inspection
All steel pipes undergo dimensional verification and material certification review before coating application.
Process Control Monitoring
Continuous monitoring of coating thickness, temperature, and application parameters throughout the manufacturing process.
Final Product Testing
- Holiday detection at 15kV minimum
- Adhesion testing per applicable standards
- Impact resistance verification
- Cathodic disbondment testing
FAQ
Q: Do you provide 100% Traceability?
A: Yes. Every pipe receives hard-stamped identification with heat number, standard, and grade markings. Mill Test Certificates per EN 10204 3.1 accompany every shipment for complete documentation.
Q: Can you meet "Sour Service" NACE requirements?
A: Absolutely. For oil and gas applications, we supply pipes compliant with NACE MR0175/ISO 15156, including HIC and SSC testing verification.
Q: What coating repair options do you recommend for field joints?
A: We provide compatible repair materials including liquid epoxy systems and heat-shrink sleeves that match the protection level of our factory-applied coatings.
Q: How do you ensure coating adhesion in high-temperature applications?
A: Our epoxy primer systems are specifically formulated for elevated temperature service. We can provide enhanced formulations tested up to 150°C for special applications.
Q: What is the benefit of buying factory-direct from JS Fittings?
A: You eliminate middleman margins and gain direct production schedule control. We offer customized bundling and marking to facilitate easier inventory management at your facility.
Contact Us
Ready to protect your pipeline investment with premium coating solutions? Contact our technical 3PE coated steel pipe's team at admin@jsfittings.com for expert guidance and competitive pricing.
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