Description
API 5L X65 PSL2 LSAW Steel Pipe Supplier — Vertically integrated mill and fabrication facility producing line pipes from raw plate to finished coated product under one quality system.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | API 5L X65 PSL2 LSAW Carbon Steel Line Pipe |
| Product Type | Straight Seam Submerged Arc Weld Tube (LSAW) |
| Steel Grade | API 5L PSL1/PSL2 (GR B, X42, X46, X52, X56, X60, X65, X70, X80), ASTM A53 (GR A, GR B, GR C), EN (S275, S275JR, S355JRH, S355J2H), GB (Q195, Q215, Q235, Q345, L175-L555) |
| Standard | API 5L (PSL1/PSL2), API 5CT, ASTM A53, EN 10217, DIN 2458, IS 3589, GB/T 3091, GB/T 9711 |
| Section Shape | Round |
| Size Range | OD 355.6 mm – 1626 mm |
| Wall Thickness | 8 – 50 mm |
| Length | Up to 12 m |
| Technique | LSAW — UO(UOE), RB(RBE), JCO(JCOE); DSAW |
| Surface Treatment | Fusion Bond Epoxy (FBE), Coal Tar Epoxy, 3PE, 3PP, Bitumen Coating, Varnish Coating, Black Oil Coating, Hot-dipped Galvanized |
| Ends | Plain / Beveled (as per customer requirement) |
| Process | Straight Seam Submerged Arc Weld |
| Application | Oil and natural gas transmission / Low pressure liquid delivery / Steel structure / Power plant / Ship manufacturing / Foundation and piling |
| MOQ | 1 Ton |
| Origin | Shandong, China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Oil & Gas EPC | Onshore and offshore hydrocarbon transmission pipelines, gathering lines, trunk lines |
| Infrastructure & Piling | Foundation piles for bridges, port structures, and industrial platforms |
| Power Generation | Cooling water intake and discharge systems, structural supports for power plants |
| Marine & Shipbuilding | Subsea pipeline connections, structural tubulars for offshore platforms |
| Water Transmission | Municipal water supply networks, irrigation trunk lines, low-pressure fluid delivery |
What Material Traceability Gaps Cost on a Pipeline Project
When a mill certificate cannot be traced back to the original heat number, the entire shipment becomes a liability at customs or on-site inspection.
Sourcing large-diameter line pipes from fragmented suppliers creates blind spots in the certification chain. The trading company provides a mill test certificate, but the actual plate coil origin, welding procedure qualification, and coating batch records remain unverifiable. On Middle East pipeline projects, third-party inspectors routinely reject shipments when heat number traceability breaks down between the raw material supplier and the pipe fabricator. API 5L X65 PSL2 LSAW steel pipe supplier operations with integrated plate-to-pipe production eliminate this gap — one facility, one quality documentation package, one accountable source. [NEED_CITE: API 5L PSL2 material traceability requirements]
How Large-Diameter LSAW Pipe Meets Pipeline Engineering Demands
The API 5L X65 PSL2 LSAW steel pipe supplier capability in OD 355.6–1626 mm with wall thickness up to 50 mm covers the majority of onshore transmission and piling applications. JCOE and UOE forming processes produce tight dimensional tolerance on roundness and straightness, which directly affects field welding alignment and coating integrity. For corrosive environments such as subsea or high-salinity soil conditions, 3PE and FBE coating systems provide long-term protection validated by adhesion and cathodic disbondment testing. Our integrated production line handles plate procurement, forming, submerged arc welding, NDT, and coating application without outsourcing any critical process step.
Engineering Compliance and Certification Requirements
Pipeline projects governed by API 5L PSL2 require full chemical composition control, Charpy impact testing at specified temperatures, and hydrostatic testing on every pipe length. [NEED_CITE: API 5L PSL2 vs PSL1 testing differences] Structural piling applications under EN 10217 demand documented weld procedure qualification and dimensional inspection per tolerance class. The API 5L X65 PSL2 LSAW steel pipe supplier provides complete documentation including WPS/PQR records, weld maps, NDT reports (X-ray, ultrasonic, hydrostatic), and coating thickness measurements. For EU market access, EN 10217 compliance with CE marking ensures customs clearance without delay. Beveled ends per customer specification reduce field welding preparation time and support automated welding spreads.
Steel Grade Selection and Submerged Arc Welding Process
API 5L X65 PSL2 represents a high-strength low-alloy grade designed for transmission pipelines operating under elevated pressure. The PSL2 designation requires additional testing compared to PSL1 — including mandatory Charpy impact testing, tighter chemical composition limits on carbon equivalent, and full-body hydrostatic testing. [NEED_CITE: carbon equivalent limits for weldability in API 5L grades] The LSAW submerged arc welding process produces a longitudinal seam with deep penetration and consistent weld metal chemistry, verified by X-ray and ultrasonic inspection on 100% of weld length. For X65 and higher grades, controlled rolling and accelerated cooling of the base plate ensure the required combination of strength and toughness. Surface treatment selection depends on service environment: 3PE for buried pipelines requiring mechanical protection and cathodic compatibility, FBE for high-temperature service, and bitumen coating for submerged conditions.
The Hidden Cost of Unverified Line Pipe Procurement
Purchasing API 5L X65 PSL2 LSAW steel pipe from non-integrated sources introduces risks that surface only during inspection or installation. Material certificates issued by trading intermediaries may not correspond to the actual heat chemistry, triggering rejection during third-party verification. Welding procedure qualifications from unqualified fabricators fail to meet API 5L or EN 10217 requirements, forcing re-welding or pipe replacement at the project site. [NEED_CITE: consequences of non-compliant line pipe in pipeline construction] Negative tolerance abuse on wall thickness reduces pressure rating below design specification, creating safety liability. Dimensional deviation on bevel angle or root face causes field welding defects and schedule delays.
Why EPC Firms Source API 5L X65 PSL2 LSAW Steel Pipe From Our Facility
Our vertically integrated operation combines steel plate production with LSAW pipe fabrication under one roof, eliminating material sourcing gaps and certification chain breaks. The in-house理化 laboratory performs chemical analysis, mechanical testing, and Charpy impact verification on every heat, with results documented in EN 10204 3.1B format mill test certificates. We maintain 2,800+ specifications of raw material inventory, enabling rapid production scheduling for urgent pipeline and piling orders. Certified welding procedures per AWS and EN standards, qualified welders, and complete NDT capability (X-ray, ultrasonic, hydrostatic) ensure every pipe meets API 5L PSL2 or EN 10217 requirements before shipment. Professional loading and lashing for oversized pipe bundles, combined with complete export documentation, supports FOB, CIF, and DDP delivery to project sites worldwide.
Documentation & Compliance
- Mill test certificate documenting API 5L X65 PSL2 chemical composition, yield strength, tensile properties, and Charpy impact values per heat number
- API 5L PSL2 certification with welding procedure qualification records (WPS/PQR) and welder performance qualifications
- Third-party inspection reports from SGS, BV, or Lloyd’s covering dimensional verification, NDT results, and coating thickness measurements
- Material traceability report linking each pipe to plate heat number, rolling record, and forming/welding batch
- Coating inspection report specifying FBE/3PE thickness, adhesion test results, and cathodic disbondment data
- Complete customs documentation including packing list, bill of lading, certificate of origin, and CE declaration for EN 10217 compliance
Packaging, Loading & Delivery
- API 5L X65 PSL2 LSAW pipes bundled with steel strips and edge protectors to preserve beveled ends and 3PE coating during ocean transit
- Surface protection via black oil coating or plastic caps on beveled ends prevents corrosion and mechanical damage during handling
- Loading optimization for OD 355.6–1626 mm pipes in 40ft open-top or flat-rack containers with wooden cradles and lashing per seaworthy standards
- Cut-to-length service available for pipes up to 12 m, with precise beveling per API 5L or customer drawing specification
- Heat number and steel grade stenciled on each pipe end for site identification and traceability verification
- FOB Jinan/Qingdao port with DDP delivery option to Middle East, Southeast Asia, and African project sites
How to Request a Quotation for API 5L X65 PSL2 LSAW Line Pipe
Submit your project drawing or specification sheet indicating OD, wall thickness, length, steel grade, coating requirement, and destination port. Our engineering team responds within 24 hours with a detailed quotation covering material, fabrication, coating, packing, and shipping costs, along with mill test certificate samples and production timeline. For non-standard dimensions or custom coating systems, we provide technical consultation on forming feasibility and coating compatibility before contract signing.
Request Your API 5L X65 PSL2 LSAW Steel Pipe Quotation Today
Send your specification and quantity to receive pricing, mill test certificate samples, and production schedule within one business day.
Contact:
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Email: admin@xjystructure.com
Website: www.xjystructure.com
