Round crimped steel fiber specification


Crimped steel fibres are designed specifically for the reinforcement of concrete, mortars and other cementitious mixes. Crimped steel fiber is the leading general purpose low carbon, cold drawn wire fibre continuously deformed to provide optimum performance within the concrete mix. EARTH FIBER Crimped steel fibres are ASTM compliant and specifically designed to meet or exceed the performance and economical of our customers.


  • Provides uniform multi-directional concrete reinforcement
  • Increases crack resistance, ductility, energy absorption or toughness of concrete
  • Improves impact resistance, fatigue endurance and shear strength of concrete
  • High tensile strength fibre bridging joints and cracks to provide tighter aggregate interlock resulting in increased load carrying capacity
  • Provides increased ultimate load bearing capacity which allows possible reduction of concrete section
  • Requires less labour to incorporate into concrete than conventional reinforcement
  • Offers economical concrete reinforcement solutions with greater project scheduling accuracy
  • ideally suited for hand or vibratory screeds, laser screeds and all conventional finishing equipment


  • Ground supported slabs
  • Suspended ground slabs
  • Jointless floors
  • External roads & pavements
  • Precast
  • Overlays
  • Walls
  • Blast-resistant concrete


  • Conforms to ASTM A820/A820M-04, Type V cold drawn wire
  • Testing conforms with ASTM C 1116, ASTM C1018 and JCI SF4


Fiber Length: 50 mm

Fiber Diameter: 1.00mm

Aspect Ratio: 50

Tensile Strength: 1300N/mm2

Deformation: Continuously deformed

Appearance: Bright and clean wire