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API 5L PSL1 X56 Spiral Welded Pipe 3PE Coating For Oil Industry Use
Detailed Specifications & Characteristics
The API 5L PSL1 X56 Spiral Welded Pipe with 3PE Coating is engineered specifically for demanding oil industry applications. Manufactured using advanced spiral welding technology from high-grade API 5L PSL1 X56 steel, this pipe combines excellent structural strength with superior anti-corrosion protection through YTDR Group's innovative 3-layer polyethylene coating system.
Key Specifications:
● Material Grade: API 5L PSL1 X56 (L415)
● Diameter Range: 219mm - 2020mm
● Wall Thickness: 5mm - 25mm
● Coating System: 3-layer PE (FBE + Adhesive + HDPE)
● Coating Thickness: 2.5mm - 4.0mm (customizable)
● Standards Compliant: API 5L, ISO 21809-1, DIN 30670
Compared to traditional FBE or asphalt coatings, YTDR's 3PE coating provides complete coverage integrity, forming an impermeable barrier that prevents electrolyte contact with the steel substrate. The system includes fusion-bonded epoxy for adhesion and cathodic protection, copolymer adhesive for bonding, and high-density polyethylene for mechanical protection.
Key Specifications & Standards:
● Standard: API 5L PSL1, ISO 9001, ISO 21809-1
● Grade: X56 / K56 (or equivalent to L415)
● Diameter Range: 219mm to 2020mm (customizable)
● Wall Thickness: 5mm to 25mm
● 3PE Coating Thickness: Typically 2.5mm to 4mm, customizable as per DIN 30670/EN 10290 standards.
Why Choose YTDR’s 3PE Coated Steel Pipe?
1. Proven Industry Expertise
● 15+ years specialized in oil industry pipe manufacturing
● 500+ successful projects delivered globally
● Single Φ4020 production line ensuring consistent quality
2. Advanced Manufacturing
● Automated spiral welding with real-time quality monitoring
● Computer-controlled 3PE coating application
● 30% faster production cycle than industry average
3. Rigorous Quality Assurance
● 3-stage inspection process (material, welding, coating)
● Defect rate maintained below 0.2%
● Full traceability from raw material to finished product
4. Cost Efficiency
● 15-20% lower lifecycle cost compared to alternatives
● Reduced maintenance frequency and costs
● 24-hour quotation response service
5. Comprehensive Support
● Customized specification engineering
● Technical consultation and installation guidance
● Emergency replacement service available
Free Samples For You
At Yuantai Derun, we take pride in delivering premium square steel pipes. To let you experience our excellence firsthand, we’re pleased to provide free samples (up to 20 cm in length), shipped directly to you via express air freight—with only the shipping cost on your end.
Why hesitate? Put our materials to the test and discover why Yuantai Derun stands out in quality and reliability. Request your sample today!
Normal Processing
Production process: winding → cone clamping → shovel dismantling → pinch leveling → electric vertical roll alignment → shearing butt welding machine head and tail → electric vertical roll alignment → edge milling machine milling bevel → strip surface cleaning → manual vertical roll alignment → conveyor feeding → guide plate feeding → forming vertical roll positioning → forming machine coil forming → internal weld welding → outer weld welding → cut-to-length pipe cutting → pipe dropping
Spiral welded pipe mobile X-ray flaw detector
After continuous R&D, we have established an efficient quality control system for spiral welded pipes. The core equipment - the 225kV real-time imaging system - is specifically designed for monitoring special pipe fittings production, enabling real-time detection of weld defects such as cracks, porosity, and slag inclusions.
The operating system drives the high-voltage generator (30-225kV DC output) through the console, transmitting power via high-voltage cable to the X-ray tube (1-3.5mA small focus, 1-8mA large focus). X-rays generated by electron bombardment of the tungsten target enable non-destructive testing of steel pipes.
Outer 3PE anti-corrosion unit
The powder supply center integrates multiple functions into a compact system, offering space-saving operation with minimal environmental impact. The barrel features advanced forced extrusion with a unique rifling design and a high-efficiency screw based on improved international technologies, ensuring stable extrusion, superior plasticizing, and exceptional mixing for diverse materials. Manufactured from premium 38CrMoAlA alloy steel, each barrel and screw undergoes specialized heat treatment, carbide welding, and full CNC machining, achieving nitriding hardness of HV950–1100 and guaranteed quality through tightly controlled production processes.
Internal FBE anti-corrosion steel pipe
Inner wall epoxy coating features: - Chemically resistant. - It is suitable for transporting corrosive media (such as acid, alkali, salt, oil and gas, chemical rawmaterials, etc.) to prevent the inner wall of the pipeline from being corroded. - Commonly found in oil, gas, chemical, sewage treatment and other industries. - Epoxy coating has a smooth surface, which reduces fluid friction, improves conveying efficiency andsaves energy. (Reduced fluid resistance) - Prevents limescale and sediment from adhesion, prolongs pipe cleaning intervals, and reducesmaintenance costs. - Oil/gas pipelines, drinking water pipelines, chemical medium pipelines, etc. (Mainly used for)
Yuantai Derun Square Steel Pipes – Quality Assured at Every Stage
From raw material sourcing to finished products, Yuantai Derun implements rigorous quality control at every step. We exclusively use traceable raw materials from reputable manufacturers, subjecting them to comprehensive inspections, including but not limited to:
●Dimensional & Visual Checks (appearance, size, straightness)
●Mechanical Testing (impact resistance, yield & tensile strength, hardness)
●Material Analysis (chemical composition, metallographic examination)
●Non-Destructive & Corrosion Testing (UT inspection, salt spray testing)
Contact us today to discuss your specific testing requirements—we ensure precision and reliability in every pipe.
Contact us today to discuss your specific testing requirements—we ensure precision and reliability in every pipe.
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Product Description |
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Outer Diameter |
219mm to 4500mm |
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Wall Thickness |
4-30 mm |
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Length |
4-24M according to client requirement |
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Tolerance |
±5% or as required |
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Brand |
Yuantai Derun Steel Pipe Manufacturing Group |
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Model |
3PP coating steel pipe |
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Surface Treatment |
Black painted or REQUEST |
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Standards |
API 5L, ASTM A501/500, bs,EN10210/10219,JIS G3466 |
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Certificate |
CE,LEED,BV,PHD&EPD,BC1,EN10210/10219, ISO9000/14001/45001,DNV,ABS,JIS G3466 |
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Brand |
Yuantai Derun or OEM |
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MOQ |
2-5 Tons or No minimum order |
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Delivery Time |
7-30 days |
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Samples |
Free Samples Get Free Sample Now! |
