The hooked end steel fiber is made of low carbon steel wire,high carbon steel wire,or stainless steel wire, with tensile strength 1100Mpa,1200Mpa,1300Mpa,1400Mpa,1500Mpa,while the copper coated micro steel fiber can reach 2500Mpa. It is widely used in the concrete for reinforcement,shock resistance,crack resistance and anti-fatigue.
