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Locked Coil Strand
Core of helically spun round
wires in several layersCover of helically spun full lock wires in several layers
Layers are spun in opposite directions
Internal blocking compound and lubricant applied during stranding
Very high axial stiffness
High breaking load due to ‘z’ shaped wires
Excellent clamping capabilities due to ‘z’ shaped wires
Even surface due to ‘z’ shaped wires
Torque balanced due to cross laying
High fatigue resistance
Excellent corrosion resistance due to Galvanised wires (zinc or Galfan®)
Internal blocking compound Locked surface due to ‘z’ shaped wires
Standards: EN12385-10
Diameter range 20 - 180 mm
Properties range:
367 - 31400 kN Minimum Breaking Load
42 - 3780 MN Nominal Axial Stiffness -
Spiral Strand
Helically spun round wires in several layers
Layers are spun in opposite directions
Internal blocking compound and lubricant can be applied during stranding
High axial stiffness
High breaking load due to high strength wires
Good clamping capabilities
Torque balanced due to cross laying
High fatigue resistance
Excellent corrosion resistance due to Galvanised wires (zinc or Galfan®)
Internal blocking compound
Additional coating (if required)
Standards: EN12385-10 & ASTM A586
Diameter range 13 - 165mm
Properties range:
171 - 25200 kN Minimum Breaking Load
19 - 2640 MN Nominal Axial Stiffness