Specifications: - Explore the detailed specifications that guarantee the utmost efficiency and adaptability in various construction applications.
Category: | Round and flat |
Dimension: | 40-130mm |
Application: | It's mainly used as the prestressed concrete structure, such as the large span railway and highway, bridge, crane girders, rock-soil anchoring engineering, multi-floor industrial plant, coal, sports venues, etc. |
Packing: | With 5.8 meter loaded in 20ft Container or 11.8 meter per piece loaded in 40GP or 40HQ Container. |
Deliery time: | Nomally within 20days after receiving the deposit or the copy of L/C at sight. |
Length | Available upon request |
corrugated round pipe | ID(mm) | 45 | 50 | 55 | 60 | 70 | 80 | 85 | 95 | 105 | 115 | 120 | 130 |
OD(mm) | 50 | 55 | 60 | 65 | 75 | 85 | 90 | 100 | 100 | 120 | 125 | 135 |
Basic Info. - Gain insights into the foundational aspects that make our corrugated ducts a preferred choice in the industry.
Diameter | 40mm-130mm | Thickness | 0.3mm |
Trademark | JNFLEX | Length | 5.8m/PCS(Customisable) |
Origin | changzhou, China | Transport Package | Stardard Export Package |
Surface Treatment | black and galvanized | Product to Be Used for | PC Strand Grouting Work |
HS Code | 72119000 | Production Capacity | 3000 Meters/ Per Day |
Application | Construction Agriculture Infrastructure Industrial Usage | Exporting Package: | With 5.8 meter loaded in 20ft Container |
Corrugated Metal Duct Round (0.3mm thick) - This meticulously crafted duct ensures superior strength and endurance, designed to withstand the demands of rigorous construction environments.

THE KEY BENEFITS AND FEATURES FOR CORRUGATED DUCTS - Unveil the distinct advantages and innovative features that our prestigious corrugated ducts offer, ensuring excellence in every project.
1. Comprehensive diameter options available, from ID 40mm to ID 130mm, to suit various project needs - Providing a diverse range of sizes to meet a multitude of construction demands.
2. Tailored production to align with specific site requirements, ensuring seamless integration - Our custom solutions guarantee perfect harmony with your unique project specifications.
3. Streamlined benchmarking for efficient production scheduling and execution - Ensuring optimal coordination and precision in every phase of your construction process.
4. Customer-centric design - Bendable and easily cut to meet customer specifications - Designed with flexibility in mind to cater to individual project needs with ease.
5. Ease of site placement: Built tough and durable for long-lasting performance - Engineered to withstand harsh conditions while maintaining impeccable performance.
6. Enhanced corrosion protection with a robust hot dip zinc coating - Offering superior protection against corrosion, ensuring longevity and reliability.








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Q1: Can you supply stocks? Can you deal small orders?
A1: Yes, we can.Small orders can also be accepted.
A2: Yes, we can offer samples free of charge. But the express cost should be on buyer's account.
Q3: Do you make the duct in-house?
A3: Yes, we have our own factory so the ducts are produced by our own workers.
Q4: Weight of duct per meter?
A4: The weight of duct per meter is 0.57kg.
Q5: Which port do you send from?
A5: Normally we ship from Shanghai harbour.