Description
Direct Mill Supply for API Line Pipe Projects — We manufacture API 5L X65 PSL2 LSAW steel pipe on our own JCOE/UOE forming lines, eliminating trading margins and ensuring full heat-number traceability from slab to finished pipe.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | API 5L X65 PSL2 LSAW Carbon Steel Line Pipe |
| Product Type | LSAW Steel Pipe / Circular Hollow Section |
| Steel Grade | API 5L PSL2 (GR B, X42, X46, X52, X56, X60, X65, X70, X80); also ASTM A53 (GR A/B/C), EN (S275, S275JR, S355JRH, S355J2H), GB (Q195–Q345B, 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 (6 m / 6.4 m available) |
| Technique | LSAW – UO (UOE), RB (RBE), JCO (JCOE); DSAW available |
| Surface Treatment | FBE, 3PE, 3PP, Coal Tar Epoxy, Bitumen Coating, Varnish Coating, Black Oil, Hot-dipped Galvanized |
| Ends | Plain / Beveled |
| Application | Oil & gas transmission, low-pressure liquid delivery, steel structure, power plant, ship manufacturing, foundation piling |
| MOQ | 1 Ton |
| Origin | China |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Oil & Gas EPC | Onshore and offshore hydrocarbon transmission pipelines, gathering lines, trunk lines |
| Infrastructure & Piling | Bridge foundation piles, port jetty piles, retaining wall structures |
| Power Generation | Cooling water intake lines, boiler feed piping, flue gas ducting |
| Shipbuilding | Ballast lines, fire-main systems, structural tubular members |
| Steel Structure Fabrication | Column members, truss chords, heavy-load beam supports |
What PSL2附加要求 Mean When SGS Inspects at Destination
PSL2 demands verified Charpy impact values, restrictive chemistry, and full weld seam radiography — not just a pretty mill certificate.
When API 5L X65 PSL2 LSAW steel pipe arrives at a Middle East project site and the third-party inspector flags low-temperature impact test failures, the entire batch sits in the desert yard with no viable re-shipment path. PSL2 chemistry limits on carbon equivalent, mandatory CVN testing at specified temperatures, and 100% weld seam NDE are non-negotiable clauses that standard PSL1 production routines simply do not cover. Procurement teams who treat PSL2 as a paperwork upgrade rather than a process upgrade pay dearly when the pipe fails field acceptance. [NEED_CITE: API 5L PSL2 supplementary testing requirements for sour service and low-temperature applications]
Matching X65 PSL2 to High-Pressure Pipeline Environments
API 5L X65 PSL2 LSAW steel pipe delivers the yield strength ceiling required for long-distance hydrocarbon transmission while maintaining weldability through controlled carbon equivalent limits. The JCOE forming process produces uniform ovality across the 355.6–1626 mm OD range, ensuring consistent fit-up during field girth welding. For buried or submerged service, our FBE and 3PE coating lines apply factory-grade corrosion protection that field wraps cannot replicate. Each heat undergoes chemical analysis, tensile testing, hydrostatic proofing, and flattening tests in our in-house physical and chemical laboratory before release.
Engineering Compliance and Certification Pathways
Pipeline projects governed by ASME B31.4 or B31.8 require documented conformity to API 5L PSL2, including traceable heat numbers linking each pipe to its mill test certificate. For European and regulated-market procurement, our Lloyd’s CE certification under EN 10210/EN 10219 and Singapore FPC approval remove customs and inspector objections before the vessel sails. Wall thickness up to 50 mm on large-diameter API 5L X65 PSL2 LSAW steel pipe demands verified ultrasonic lamination scanning — a step our production protocol includes by default. [NEED_CITE: EN 10217 dimensional and testing requirements for welded steel tubes for pressure purposes]
Steel Grade Hierarchy and Forming Process Selection
API 5L X65 sits in the upper-middle tier of the PSL2 grade ladder, offering higher yield strength than X52 or X46 while remaining below the weldability threshold concerns that accompany X80. The JCOE forming route — J forming, C forming, O expanding — produces superior roundness compared to older UOE methods on diameters above 914 mm, reducing field bevel mismatch during girth welding. PSL2 chemistry controls carbon, manganese, sulfur, and phosphorus within tighter bands than PSL1, directly influencing hydrogen-induced cracking resistance in sour-service environments. Surface treatment selection follows service logic: FBE for standard buried lines, 3PE for rocky backfill or directional drilling, 3PP for high-temperature offshore service, and bitumen for economical water-line protection. Wall thickness tolerance directly affects theoretical weight calculation and structural load capacity — our JCOE lines hold dimensional consistency within API 5L Appendix L limits.
The Hidden Cost of Unverified Mill Documentation
Accepting API 5L X65 PSL2 LSAW steel pipe with incomplete or non-conforming mill test certificates triggers cascading expenses: customs detention at destination port, third-party re-inspection fees, project schedule delays, and in worst cases, structural rejection requiring full pipe replacement. Chemistry deviations invisible to visual inspection — elevated sulfur, uncontrolled carbon equivalent, or missing CVN test data — only surface when the inspector opens the test report. [NEED_CITE: consequences of non-compliant API 5L documentation in international pipeline projects]
Why Procurement Teams Source API Line Pipe Through Our Mill
We operate dedicated JCOE and UOE forming lines producing API 5L X65 PSL2 LSAW steel pipe across the full 355.6–1626 mm OD and 8–50 mm WT range, meaning no order gets farmed out to secondary mills with unverified quality systems. Our in-house physical and chemical laboratory performs every required test — composition, tensile, Charpy impact, hydrostatic, flattening, and weld seam NDE — before the pipe leaves the facility, generating mill test certificates with full heat-number traceability. Lloyd’s CE certification, ISO 9001:2015 registration, and Singapore FPC approval cover EU, Middle East, and Southeast Asian regulated-market imports without additional factory audits. We accommodate custom non-standard lengths, bevel configurations, and coating specifications with low MOQ starting at 1 Ton. Professional container and break-bulk loading with anti-damage measures prevents the bending and surface scratches that trigger destination rejection on large-diameter pipe.
Documentation & Compliance
- Mill test certificate documenting API 5L X65 PSL2 chemical composition, yield strength, tensile strength, elongation, and Charpy impact values per heat number
- Lloyd’s CE certificate confirming conformity with EN 10210/EN 10219 for European market pipeline and structural applications
- ISO 9001:2015 quality management system certificate covering the full LSAW production and testing process
- SGS or BV third-party inspection report available upon request, covering dimensional verification, visual examination, and witness testing prior to shipment
- Full material traceability linking each pipe to its heat number, slab cast record, and forming/welding log
- Export documentation including packing list, bill of lading, certificate of origin, and coating inspection report for FBE/3PE/3PP finishes
Packaging, Loading & Delivery
- Large-diameter API 5L X65 PSL2 LSAW steel pipe (OD above 914 mm) shipped in break-bulk vessels with individual pipe separation using timber dunnage to prevent coating damage
- Smaller diameter pipes bundled with high-tensile steel strips and edge protectors, optimized for 20ft and 40ft open-top container loading
- Beveled ends fitted with plastic protectors to preserve welding preparation geometry during ocean transit
- FBE, 3PE, and 3PP coated pipes wrapped with UV-resistant protective film to prevent coating degradation during extended outdoor storage at destination
- Each pipe stenciled with heat number, steel grade (X65 PSL2), OD, WT, length, and standard designation for site identification
- Delivery terms available as FOB, CIF, or DDP with professional container loading plans maximizing payload per shipment
Initiating Your API Line Pipe Inquiry
Submit your required OD, wall thickness, steel grade (X65 PSL2 or other API 5L grades), coating specification, quantity, and destination port to receive a detailed quotation with unit pricing, production lead time, and shipping terms. We provide mill test certificate samples, third-party inspection coordination through SGS or BV, and professional loading plans before contract signing.
Request Your API 5L X65 PSL2 LSAW Pipe Quotation
Send your specification sheet and destination details to receive pricing, mill test certificate samples, and delivery confirmation within 12 hours.
Company: Shandong Xin Jiyuan Special Steel Tube Co., Ltd
Website: www.sdxjypipe.com
Tel: +86 531 8573 6315
Mobile/WhatsApp/WeChat: +86 188 5315 7756
Email: admin@sdxjypipe.com
Address: No.11889, Jingshi West Road, Lulian Group, Jinan City, Shandong Province, China
