The round ducts made by bending low-carbon galvanized steel band. The pipes are mainly used for hole-making in post-tensioning prestressing concrete structures or components.
1. Color: galvanized;
2. Thickness: 0.25-0.3mm
3. Diameter: 40mm-160mm;
4. Length: 6M/PCS, 8M/PCS, 10M/PCS
5. 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.