Steel Fiber for Concrete Reinforcement (Dramix Type)
Hooked-end steel fiber (Dramix type) is a high-performance concrete reinforcement material that significantly improves flexural strength, toughness, impact resistance, and ductility of concrete. The mechanical anchorage from hooked ends provides superior bond to the concrete matrix. Steel fiber-reinforced concrete (SFRC) is used to partially or fully replace conventional rebar in slabs, tunnels, and industrial floors per design standards such as fib Model Code.
Technical Specifications
| material | Cold-drawn steel wire, carbon steel |
| appearance | Silver-grey metallic fibers |
| length (mm) | 30–60 (standard) |
| aspect ratio (l/d) | 45–80 |
| tensile strength (MPa) | ≥1050 |
Applications
- Industrial concrete floors and hard-stand areas
- Tunnel lining segments for metro and road tunnels
- Concrete pipes and precast drainage elements
- Airport taxiway and runway concrete overlays
- Impact-resistant structures and blast-proof walls
Key Features
- Hooked-end design provides superior mechanical anchorage in concrete
- Significantly improves post-crack ductility and energy absorption
- Enables reduction or elimination of conventional reinforcement
- Consistent geometry and quality controlled to EN 14889-1
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