... )Tensile Strength: Minimum 750 Mpa 3)Fiber Length : 25,30, 35, 50, 60 mm SpecificationsCorrugated Steel Fiber 1)Cold-draw steel ... )Tensile Strength: Minimum 750 Mpa 3)Fiber Length : 25,30, 35, 50, 60 mmCorrugated steel fiberMaterial : Cold-draw steel wireWe produce ... : ASTM A 820/ A 820 M , Type I Equivalent Diameter : 0.35 mm - 1.00 mm Appreance : middle straight and hooked endASTM ...