The round metal corrugated ducts made by bending low-carbon galvanized or non-galvanized steel band. The pipes are mainly used for hole-making in post-tensioning prestressing concrete structures or components. The quality meets the national standard JG225-2007 Corrugated Metal Ducts for Prestressed Concrete.
- Color: black and galvanized;
- Thickness: 0.25-0.6mm
- Diameter: 35mm-135mm;
- Length: Available upon request;
- 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.
- Exporting Package: With 5.8 meter loaded in 20ft Container or 11.8 meter per piece loaded in 40GP or 40HQ Container.