Locked Coil Strand

Core of helically spun round
wires in several layers

Cover 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