Description
LSAW Steel Pipe – Precision-Welded for High-Strength, High-Stakes Applications
LSAW (Longitudinal Submerged Arc Welded) Steel Pipes are the top choice for critical infrastructure projects where high strength, reliability, and dimensional accuracy are essential. Manufactured by bending and welding steel plates along a straight seam using advanced submerged arc welding, LSAW pipes deliver superior weld quality and uniform wall thickness, making them ideal for high-pressure oil and gas transmission, offshore platforms, and structural foundations.
Compliant with global standards such as API 5L, ISO 3183, ASTM A671/A672, and available in custom diameters and wall thicknesses, LSAW pipes are engineered to perform in the most demanding conditions—onshore or offshore.
Key Features:
High weld strength and minimal defect rate
Uniform wall thickness and excellent roundness
Ideal for high-pressure, high-load applications
Suitable for heavy-duty coatings (e.g., 3LPE, epoxy, coal tar enamel)
Applications:
Oil & gas transmission pipelines, offshore platforms, hydrocarbon processing, structural pilings, bridge columns, and marine engineering.
Why LSAW?
When failure isn’t an option, LSAW Steel Pipe offers unmatched strength, safety, and stability—built to perform under pressure.
Technical Details
| Description | |||
|---|---|---|---|
| Model | UOE LSAW PIPES | JCOE LSAW PIPES | |
| Grades | API 5L A-X90,GB/T9711 L190-L625 | API 5L A-X100, GB/T9711 L190-L690 | |
| Outside Diameter | Φ508mm- 1118mm (20"- 44") | Φ406mm- 1626mm (16" - 64" ) | |
| Wall Thickness | 6.0-25.4mm 1/4"-1" | 6.0- 75mm (1/4" - 3" ) | |
| Quality Standards | API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA | API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA | |
| Length | 9-12.3m (30'- 40') | 3-12.5m ( 10'- 41' ) |