LSAW Steel Pipe
large-diameter, heavy-wall LSAW (Longitudinally Submerged Arc Welded) steel pipes specifically engineered for high-pressure oil and gas trunklines, deep-water offshore structural piling, heavy civil engineering foundations, and severe-load marine construction. We guarantee 100% full-length ultrasonic welding integrity, exact dimensional tolerances, and full conformance to global engineering parameters under our direct [2-Hour Rapid Quote] mill program.
Tired of slow supplier responses while your critical project bidding deadline closes in? Terrified of receiving sub-standard welds that fail ultrasonic non-destructive testing on-site, causing catastrophic project delays and structural inspection failures? Eliminate cross-border purchasing risks and secure your mill-verified testing logs immediately.
PRODUCT DETAILS
Premium LSAW Heavy-Wall Pipe Three-Standard Cross Matrix
| American Standard (API 5L / ASTM A53) | European Standard (EN 10219 / EN 10217) | Japanese Standard (JIS G3444 / JIS G3457) | Available Outer Diameter (OD) | Maximum Wall Thickness (WT) |
|---|---|---|---|---|
| API 5L Gr.B / ASTM A53 Gr.B | EN 10219 S235JRH | JIS G3457 STPY400 | 406.4 mm – 1422 mm | Up to 30 mm |
| API 5L X52 / X60 / X65 (PSL1 & PSL2) | EN 10219 S355J2H / S355NH | JIS G3444 STK500 Heavy | 508 mm – 1524 mm Large Bore | Up to 50 mm (Extreme Wall) |
| API 5L X70 High-Grade Pipeline | EN 10217-5 P355GH | JIS Specialized Structural | 609.6 mm – 1625 mm Custom | Up to 60 mm Specialized |
Technical QA/QC Verification
• Complete Traceability & API 5L / EN Standards Conformance: Shipments are strictly dispatched alongside verified EN 10204 3.1 Mill Test Certificates (MTC). These logs outline exact mechanical properties, yield strength ratios, Charpy V-notch impact toughness values at low temperatures, and chemical mapping. Fully ready for third-party audits by SGS, Lloyd’s Register, or Bureau Veritas.
• Capital Security Guarantee: We remove international purchasing stress entirely by facilitating long-term infrastructure allocations and heavy commercial project contract structures through 100% Irrevocable Letters of Credit (L/C) at sight financial frameworks.
Anti-Rust Packaging & Ocean Logistics
• Fortified Breakbulk & Containerized Ocean Stowage: Heavy large-diameter pipes are systematically secured using thick timber contour saddles, high-tensile steel wire tension chocks, and specialized nylon lashing belts within breakbulk holds or open-top containers to avoid metal-on-metal friction and physical ovality distortion across rough sea routes.
• Complimentary Extended Port Demurrage: SXY Steel Group directly structures 14 to 21 days of free container and vessel demurrage directly at your targeted port of discharge, providing flexible customs clearance schedules for your regional forwarding teams.
LSAW Steel Pipe
Pipe Type: Longitudinal Welded Pipe, Longitudinal Submerged Arc Welded Pipe
Application: Used for Fluids Transmission, Structural Support in Industrial Construction
Specification: OD: 406mm ~ 1422 mm
WT: 6.4mm ~ 44.5mm
LENGTH: 5mtr ~ 12mtr
Standard & Grade: ASTM A53 Grade A/B/C
Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped
SAW Steel Pipe Dimension
Pipe Outer Diameter & Wall Thickness
| Out Diameter | Wall Thickness (mm) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | mm | 6.4 | 7.1 | 7.9 | 9.53 | 12.7 | 14.3 | 15.9 | 19.1 | 22.2 | 25.4 | 28.6 | 31.8 | 34.9 | 38.1 | 41.3 | 44.5 |
| 16 | 406.4 | ||||||||||||||||
| 18 | 457 | ||||||||||||||||
| 20 | 508 | ||||||||||||||||
Packing and shipping
Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.
Application Areas
Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments.
Factory workshop
With a commitment to excellence, innovation, and sustainability, the company has established itself as a trusted partner in the international steel industry.After nearly two decades of relentless endeavour, our client base now spans over 110 countries and regions across Europe, the Middle East, South America, and Southeast Asia.
Free Project Engineering Layout Audit & Structural Pipe Nesting Optimization Assessment
Managing a high-pressure maritime pipeline tender, heavy piling infrastructure blueprint, or structural industrial network layout? Upload your custom length cut configurations, specific wall schedules, steel grades, or complete Bill of Materials (BOM) files below. SXY Steel Group’s specialized technical desk will conduct an optimization yield audit to eliminate scrap overhead and minimize procurement budgets.
