
Spiral Corrugated Pipe Round Corrugated Steel Culvert Pipe. 5-Year Warranty Coverage: Comprehensive 5-year warranty provided for all mechanical defects and structural integrity. Customized Length Options: Standard 1m length available with fully customized length options to meet project needs. High-Strength Steel Grades: Constructed from Q195, Q235, or Q345 carbon steel ensuring durability and high load capacity. Extensive Diameter Range: Available in diameters ranging from 0.5m to 15m to suit various infrastructure scales. Versatile Wall Thickness: Wall thickness options from 2mm to 15mm to accommodate different pressure and load requirements. Multiple Standard Compliance: Meets GB, ASTM, and BS standards including GB/T 3091-2001 and ASTM A53. Fast Installation Process: Designed for quick assembly with full assembly and processing services like welding and bending. Eco-Friendly & Durable: Galvanized surface treatment offers long life, eco-friendly properties, and easy maintenance.