1)Cold-draw steel wire 2)Tensile Strength: Minimum 750 Mpa ... Length : 25,30, 35, 50, 60 mm SpecificationsCorrugated Steel Fiber 1)Cold-draw steel wire 2)Tensile Strength: Minimum 750 Mpa ... / A 820 M , Type I Equivalent Diameter : 0.35 mm - 1.00 mm Appreance : middle straight and hooked endASTM A 820/A ...