... Steel fiber,steel bars 2.Hooked steel fiber SFH 07530 3.Loose cold drawn wire fiber ,with hooked ends 4.D:0.75mmL:30mm Steel fiber, steel ... barsSteel fiber is ideal for concrete reinforcement. Evenly in concrete mixed with steel fiber ... , airports, bridges, tunnels and so on. As the steel fiber reinforced concrete excellent durability, can extend the service life ...