Name: China 3PE Coated API 5L ERW Steel Pipe Anti Corrosion Natural Gas Pipe Manufacturers Suppliers Factory - Shenzhoutong Steel Pipe
Brand: Shenzhoutong
SKU: 317994087

Product Basic Information

Item	Detailed English Description
Product Full Name	3PE Coated API 5L ERW Steel Pipe Anti Corrosion Natural Gas Pipe
Product Short Name	3PE API 5L ERW Natural Gas Steel Pipe
Product Category	Steel Pipe > Welded Steel Pipe > Anti-corrosion Steel Pipe > Oil & Gas Pipeline Pipe
Certification Standard	API 5L, ISO 21809-1, ASTM A53, ASTM A106, PSL1/PSL2 Certified
Manufacturing Process	ERW (Electric Resistance Welding) High-frequency Welding Process

Standard Specification

Parameter Item	Standard Specification
Executive Standard	API 5L (PSL1/PSL2), ISO 21809-1, ASTM A53/A106
Steel Grade	API 5L Grade B, X42, X46, X52, X56, X60, X70
Outer Diameter Range	21.3mm - 1422mm (1/2'' - 56''), customizable
Wall Thickness Range	2.0mm - 25mm, SCH20/SCH40/SCH80 standard thickness
Pipe Length	6m, 12m, fixed length or random length customized
3PE Coating Structure	FBE Fusion Bonded Epoxy Primer + Adhesive Intermediate Layer + High-density Polyethylene Outer Layer
Coating Thickness	1.8mm - 2.5mm (standard), customizable thickness
Welding Type	ERW High-frequency Electric Resistance Welding
Pressure Resistance	High pressure resistance, meet international gas pipeline pressure standards
Surface Treatment	Sand blasting pretreatment + 3PE full anti-corrosion coating

Core Product Features & Advantages

Advantage Item	Detailed English Explanation
Superior Anti-corrosion Performance	The standard 3PE three-layer composite coating strictly complies with ISO 21809-1 standards, with uniform coating thickness, no holiday defects, excellent resistance to acid, alkali, salt water and soil corrosion. It solves the rust and damage problems of traditional steel pipes in buried natural gas pipeline environments.
Strict API 5L Standard Quality	Manufactured in full accordance with API 5L international pipeline standards, available in PSL1 and PSL2 grades. The ERW welding process ensures seamless welding lines, high tensile strength and impact resistance, meeting high-pressure natural gas transmission safety requirements.
Stable Structural Performance	The ERW steel pipe body has high dimensional accuracy, uniform wall thickness and good roundness. It features strong pressure bearing capacity, low deformation rate, stable hydraulic performance, and is suitable for long-distance natural gas transmission pipelines.
Long Service Life & Low Maintenance	3PE anti-corrosion coating effectively protects the steel substrate from oxidation and corrosion, with a service life of more than 30 years for buried pipelines. It reduces later maintenance and replacement costs for gas pipeline projects.
Customization & Wide Adaptability	Support customized diameter, wall thickness, length and coating thickness. Suitable for buried, underwater, outdoor exposed natural gas and oil pipelines, adapting to various complex geological and climatic environments worldwide.

Main Applications

Application Field	Application Description
Natural Gas Transmission	Long-distance buried natural gas transmission pipelines, urban gas distribution pipelines, gas station pipeline systems
Oil Transportation	Crude oil and refined oil transmission pipelines, onshore oil field gathering and transportation pipelines
Petrochemical Engineering	Chemical medium transmission pipelines, anti-corrosion pipeline systems for chemical plants
Water Conservancy & Municipal Engineering	Buried water supply and drainage pipelines, municipal underground pipeline supporting projects
Offshore & Submarine Projects	Shallow sea submarine gas and oil pipelines, coastal anti-corrosion pipeline projects

Packaging & Shipping & Service

Service Item	Detailed Description
Packaging Method	Standard export packaging: steel pipe bundled with steel strips, end protected by plastic caps, waterproof and moisture-proof woven bag wrapping, suitable for sea and land transportation
Shipping Port	Tianjin, Qingdao, Shanghai, Ningbo China Main Ports
Delivery Time	7-15 working days for standard stock products, 20-30 working days for customized orders
After-sales Service	100% factory inspection before delivery, provide official test reports, support third-party inspection, 24/7 online technical support
Custom Service	Support OEM/ODM, custom size, coating thickness, logo and packaging according to customer requirements

FAQ

Q: What is 3PE coated API 5L ERW steel pipe used for?

A: It is mainly used for natural gas, crude oil and petrochemical medium transmission, especially for buried long-distance pipeline projects, with excellent anti-corrosion and high-pressure resistance.

Q: Is 3PE coating good for natural gas pipeline?

A: Yes. 3PE three-layer anti-corrosion coating is the most mature and effective anti-corrosion technology for gas pipelines, which can resist various environmental corrosion and ensure long-term safe operation of natural gas pipelines.

Q: What is the difference between ERW and seamless steel pipe for gas pipeline?

A: API 5L ERW steel pipe has high dimensional accuracy, cost-effective and stable quality, fully meeting the standard requirements of conventional natural gas transmission projects, and is the preferred pipe for medium and low pressure gas pipelines.