Tunnel Liner Hot-DIP Galvanized Corrugated Steel Culvert Pipe as Tunnel Liner with Second Anti-Corrosion Coating

Tunnel Liner Hot-DIP Galvanized Corrugated Steel Culvert Pipe as Tunnel Liner with Second Anti-Corrosion Coating. Long Service Life: Hot-dip galvanized steel plates provide 80-100 years service life, extendable by 20+ years with asphalt coating. High Strength Corrosion Resistance: Corrugated design increases load-bearing capacity; suitable for humid and corrosive environments. Customizable Dimensions: Diameter 500-14000mm and thickness 2-10mm are fully customizable to meet specific project needs. Lightweight and Flexible: Easier to transport and install than traditional steel pipes; adapts to complex terrain changes. Multiple Material Grades: Available in Q195, Q235, Q345, SS400, A36, A53, and other high-strength steel grades. Fast Construction: Simple assembly with flange or sleeve connection; requires minimal manual operation and short construction time. Strict Quality Inspection: All goods undergo raw material sampling, tensile strength, and compressing wave tests before delivery. Wide Application Scope: Ideal for highways, railways, bridges, tunnels, retaining walls, and various mining engineering projects.