The metal corrugated duct is used as a duct former for a variety of precast and cast-in-situ concrete work.And is used as the main product for prestressed tendons to form channels in prestressed beams and slabs.It is available from 40mm to 130mm, and also customizable according to the length and diameter needed.
Type：Round and flat duct
Surface treatment：Galvanized
Diameter：40/45/50/55/60/70/80/85/90/95/100/105/110/120/130
Thickness：0.3mm
Length：5.8mor 11.8m/PCS(Customisable)
Packing：With 5.8 meter loaded in 20ft container,with 11.8 meter loaded in 40GP or 40HQ container
Transport package：Standard export package
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