OEM Prestressed Steel Pipe Spiral Duct Corrugated Metal For Concrete Bridge Galvanised Coil With ANSI Certification

Product details

Metal / plastic corrugated duct / pipe / tube for pre-stressed concrete. Category: round and flat; steel and HDPE plastic duct. Product standard: steel duct JG 225-2007, plastic duct JTT 529-2016. Wall thickness: steel duct 0.20-0.25-0.30-0.35-0.40mm, plastic duct 1.8-2.3-2.5-3.0-3.5mm. Application: round 2-55 strands, flat 2-5 strands. Used to strand: 12.5/12.7/12.9, 15.24, 15.7mm etc. Dimension: round diameter 50-160mm, flat size 50x22-90x22mm. Material: black steel strip, galvanized steel strip, HDPE plastic. Model: round YM13 / YM15 2-55 strands, flat BM13 / BM15 - 2/3/4/5 strands. Application: post-tensioning pre-stressed concrete construction and infrastructure projects, such as bridges, viaducts, multi-story industrial building, dam, mine etc. Introduction: The corrugated duct product is mainly used for post-tensioned pre-stressed concrete structures as a pass-way pipe of PC strand tendons. Usually, it includes metal and plastic (HDPE) duct two types, which distinguish by their raw materials. The metal duct includes two types of galvanized steel and non-galvanized black steel. Each type duct includes two types of round and flat by the section shape. Application: corrugated pipe is mainly used in highway, railway, municipal bridge engineering, elevated bridge, water conservancy project, large iron and steel plant construction (pre-buried bolt engineering) and large-scale high-rise building engineering pre-stressed corrugated pipe system products, grouting construction.

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