Q235B Q345 Hot Dip Galvanized Corrugated Culvert Pipe for Highway Railway Culvert Drainage & Municipal Pipeline Engineering
Product Advantages
Superior Corrosion Resistance: Hot-dip galvanizing process provides an average coating thickness of ≥63μm (approximately 450g/m²), reaching 84μm (approximately 610g/m²) for high-corrosion environments. For extremely corrosive conditions, asphalt coating can be added for double protection, achieving a design service life of 50-100 years.
Ultra-Lightweight Structure, Convenient Installation: Weighing only 1/15 to 1/5 of concrete pipes, the product requires no heavy lifting equipment. Only minimal manual labor and simple tools are needed on-site, reducing construction time by over 50%.
Excellent Flexibility and Deformation Resistance: As a flexible structure, corrugated culvert pipes feature lateral displacement compensation, effectively adapting to adverse geological conditions such as uneven foundation settlement and frost heave deformation. It is particularly suitable for soft soil, expansive soil, collapsible loess, and permafrost regions.
Standardized Production, Reliable Quality: Factory-based centralized production ensures that geometric dimensions, welding quality, and coating thickness strictly comply with international standards such as ASTM, EN, and ISO.
Environmentally Friendly: Reduces or completely replaces traditional building materials such as cement, sand, and gravel. In areas lacking sand and stone resources or in ecologically fragile regions, the advantages of corrugated culvert pipes are particularly significant.
Product Applications
| Application Field | Specific Uses |
|---|---|
| Highway Engineering | Highway culverts, passages, small bridges, mountain road drainage systems |
| Railway Engineering | Railway culverts, subgrade drainage, crossing passages |
| Municipal Engineering | Urban stormwater pipe networks, sewage pipe networks, utility tunnels |
| Water Conservancy | Irrigation channels, drainage systems, river management |
| Mining Engineering | Tunnel support, ventilation ducts, ore conveying channels |
| Ecological Protection | Animal migration passages, ecological culverts, wetland protection |
| Special Regions | Infrastructure construction in permafrost, soft soil, expansive soil, and earthquake-prone areas |
Product SpecificationsProduct Specifications
Specification Table
| Diameter (mm) | Wall Thickness (mm) | Corrugation (mm) | Galvanized Coating (μm) | Applicable Fill Height (m) |
|---|---|---|---|---|
| 400-600 | 1.6-3.0 | 68×13 | ≥70 | 0.6-4 |
| 600-1000 | 2.0-5.0 | 68×13 / 125×25 | ≥70 | 0.6-8 |
| 1000-1800 | 3.0-6.0 | 125×25 / 150×50 | ≥84 | 0.6-12 |
| 1800-3000 | 3.0-6.0 | 150×50 / 200×55 | ≥84 | 0.6-16 |
| 3000-4000 | 3.0-6.0 | 200×55 / 300×110 | ≥84 | 0.6-20 |
| 4000-6000 | 6.0-12.0 | 300×110 / 380×140 / 400×150 | ≥84 | 0.6-25 |
| 6000-14000 | 6.0-14.0 | 380×140 / 400×150 | ≥84 | 1.0-30 |
Packaging and Shipping
Small Diameter Integral Pipes (Diameter ≤2.5m) : Steel strip bundling packaging, plastic protective caps at both ends to protect threads/flanges, outer layer of stretch film for moisture and dust protection.
Large Diameter Assembled Pipes (Diameter ≥3.0m) : Corrugated plates are bundled with steel strips; bolts and fasteners are packed in woven bags or cartons with clear labels indicating specifications and quantities.
Special Packaging: Custom packaging options including wooden pallets and fumigated wooden crates are available upon request.