‌High-Performance LSAW Steel Pipes for Critical Infrastructure Applications

LSAW (Longitudinal Submerged Arc Welded) pipes are precision-engineered steel pipes manufactured using advanced double-sided submerged arc welding technology. Ideal for high-stress industrial applications, these pipes are formed from premium steel plates, ensuring exceptional ductility, uniform structural integrity, and superior sealing performance. With rapid production capabilities and versatile customization, LSAW pipes meet global standards for oil, gas, and heavy construction projects.

‌Key Technical Specifications & Manufacturing Advantages‌

‌Production Standards:‌

• Compliant with EN, DIN, JIS, ASTM, BS, ASME, AISI, API 5L, GB/T, and ISO certifications.
• Customizable to project-specific requirements.

‌Dimensional Range:‌

• ‌Outer Diameter:‌ 406 mm to 4,500 mm (16″ to 177″)
• ‌Wall Thickness:‌ 8 mm to 100 mm (0.31″ to 3.94″)
• ‌Length:‌ 5.8 meters to 12.5 meters (19 ft to 41 ft), extendable upon request.

‌Material Grades:‌

• ‌ASTM Standards:‌ A53 Gr.B, A252 Gr.2/Gr.3
• ‌API 5L PSL1:‌ Gr.B, X42-X80 grades
• ‌GB/T Grades:‌ Q195, Q235B, Q345A/B, L210-L485
• ‌EN 10219:‌ S235JRH, S355J2H, and other EU-compliant alloys.

‌Advanced Chemical Composition & Mechanical Properties‌

LSAW pipes undergo rigorous quality control to ensure optimal performance under extreme conditions.

‌Chemical Composition (Max %):‌

‌Mechanical Properties (Min):‌

‌Versatile Applications Across Industries‌

LSAW pipes are engineered for durability in high-pressure and corrosive environments:

1. ‌Oil & Gas Transmission:‌ Ideal for cross-country pipelines, offshore platforms, and refinery networks.
2. ‌Urban Infrastructure:‌ Used in water supply systems, sewage networks, and high-voltage power lines.
3. ‌Renewable Energy:‌ Supports wind turbine foundations and hydropower installations.
4. ‌Transportation:‌ Critical for bridge construction, high-speed rail systems, and mining slurry pipelines.

‌Why Choose LSAW Pipes?‌

• ‌Seamless Sealing:‌ Double-sided welding eliminates leakage risks.
• ‌Cost Efficiency:‌ Rapid production reduces lead times by 30% compared to traditional methods.
• ‌Customization:‌ Adaptable to non-standard sizes and material grades.
• ‌Longevity:‌ Resistant to stress corrosion cracking (SCC) and thermal deformation.

For project-specific requirements, contact our engineering team to tailor LSAW solutions that exceed industry benchmarks.

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