Steel Fiber is the material of SFRC. It has been widely used in roads, protection slops of highways, bridges, tunnels, airports taxiways, well lids of city projects, seaports and railway sleepers etc. Material: low carbon steel wire Shape: Crescent shape, hook, straight wave. Length between 25mm to 50mm Diameter between 0.2mm to 0.8mm Tensile Strength > 1000MPa Packing: orderly packing, 20kg/ carton Min. order: 2 tons Please feel free to contact us for any question or concern.