ASTM A252marine reclamation, port expansion, cross-sea bridges, high-rise building foundations, and mine infrastructure. It is available in ASTM A252 Grade 2 (cost-effective type) and Grade 3 (heavy-load type), perfectly matching the construction needs of Southeast Asia's tropical coastal environment, typhoon-prone areas, and soft soil foundations. With , it has been widely applied in key projects in Malaysia, Singapore, Vietnam, Indonesia, Thailand and other countries.
Process: submerged arc weld.
Standard: ASTM A252.
Material: GR1, GR2, GR3.
Out Diameter: 8"-72" (219-1800mm)
Wall thickness: 0.315"-2" (8-50mm)
Length: as per customer's requirement.
Surface treatment: bared, black painted, corrosion resistant coating+cap.
: Optimized for Southeast Asia's tropical coastal climate, strong resistance to marine salt spray, humidity, and soft soil corrosion; Grade 3 is specially designed for typhoon-prone areas (Philippines, Vietnam) and high seismic intensity regions, with 30% higher deformation resistance than spiral welded pipes.
◆ Cost-Effective & High Performance: Grade 2 is the preferred choice for most SEA projects, balancing quality and price; Grade 3 meets the requirements of key heavy-load projects (large ports, cross-sea bridges) without excessive cost increase. RCEP tariff preferences further reduce customer procurement costs.
: Adopt double-sided submerged arc welding technology, 100% non-destructive testing, zero weld defects, ensuring the stability of piling foundation in long-term service; comply with ASTM A252 full standard, pass SGS third-party inspection.
: Light weight (compared with seamless steel pipe) and reasonable structure, reducing on-site hoisting and installation difficulty; customized beveling design ensures quick connection of piles, improving construction efficiency.
| ASTM A252 Grade 3, φ1200×16mm, Length 15m | Cross-river bridge deep foundation | |
| ASTM A252 Grade 3, φ1016×14mm, Length 16m | Coastal cross-sea bridge, typhoon-resistant foundation | |
| ASTM A252 Grade 2, φ720×10mm, Length 12m |
After-Sales Service
√ Custom Processing: Free cutting, beveling; custom anti-corrosion coating according to local environment and project requirements.
√ Inspection Support: Arrange third-party (SGS/Intertek) factory inspection for customers before delivery, provide full inspection report.
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