OPEN SPIRAL STRAND WITH HDPE (OSSH)

The High Density Polyethylene sheathing provides an additional protection system to the cable. Thanks to the available full range of color, the HDPE layer can be used for increasing the visibility and also for aesthetical reason. 

Specifications

  • Less required maintenance during the lifetime.
  • UV stability against solar radiation
  • Weathering resistance
  • Available in full spectrum of colors

Mechanical characteristics of steel wires:

  • Nominal Tensile Strength    1570 Mpa (after hot dip galvanizing)
  • Proof Stress Rp 0.2             180 Mpa
  • Elongation at break              4% min on 250mm (EN12385-10)

 

HDPE characteristics:

  • Density (ISO 1183)              0,94-0,96 g/cm3
  • Elongation at break             400%
  • Tensile strength                  19MPa

Color Images

In the cable selection there is a large spectrum of RAL colors available extruded, co-extruded over a carbon black foundation HDPE layer, or a double-colored layer.

Teufelberger-Redaelli Open Spiral Strands HDPE (OSSH) are manufactured using helically wound, hot-dip galvanized high-strength steel round wires which are generally spun in opposite directions around a central core. Each individual wire is tested and verified for tensile strength, ductility, elongation at fracture, bending, torsional properties and adhesion of zinc coating in accordance with EN 10264 and EN 12385-10. The external plastic HDPE coating is applied by a continuous extrusion process and is closely monitored under factory-controlled conditions. HDPE thickness is based on the nominal diameter of OSS cables.

Main properties: High axial stiffness, high strength to weight ratio, high fatigue resistance, torque balanced, less required maintenance during the lifetime, UV stability against solar radiation, weathering resistance, available in full spectrum of colors

Cable Stayed bridges, Hangers of Arch bridges, Hangers of suspension bridges, Guy ropes, Cable net roofs and canopies

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