15.24mm unbonded PC Strand

I. Product Introduction 1. Structure and Composition Construction: Made of 7 high-strength steel wires twisted together, the outer layer is wrapped with a high-density polyethylene (HDPE) sheath, and the sheath and the steel strand are filled with grease to form a "non-bonding" state (that is, there is no bonding between the steel strand and the concrete, and the stress is only transmitted through the anchors at both ends). Specifications: Nominal diameter: 15.24mm (about 0.6 inches), which is one of the common specifications of prestressed steel strands. Nominal cross-sectional area: about 140mm², theoretical weight is about 1.102kg/m. Tensile strength level: commonly 1860MPa (high strength grade, meeting most engineering requirements). 2. Core performance Non-bonding characteristics: The sheath and grease isolate the steel strand from the concrete, allowing the steel strand to slide freely when subjected to force, avoiding uneven stress distribution caused by bonding. Corrosion resi…

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