Hook ended steel fiber is a kind of high-performance steel fiber, which can improve the impact resistance and fatigue resistance of concrete, and improve the impermeability of concrete. Because of its high tensile strength, good toughness and low price, it is often used as a substitute for row steel fiber, compared with other shapes of steel Slope, bridge, tunnel, airport, port, rail sleeper are widely used.
| Item | Length mm | Diameter mm | Aspect Ratio | Tensile strength Mpa | Number/KG |
| HKG4530 | 30 | 0.65 | 45 | >1100 | 12500 |
| HKG5535 | 35 | 0.62 | 55 | >1100 | 11800 |
| HKG4535 | 35 | 0.75 | 45 | >1100 | 7900 |
| HKG5038 | 38 | 0.62 | 50 | >1100 | 7300 |
| HKG8050 | 50 | 0.62 | 80 | >1100 | 8100 |
| HKG7055 | 55 | 0.8 | 70 | >1100 | 4400 |
| HKG10060 | 60 | 0.62 | 100 | >1100 | 6800 |
| HKG8060 | 60 | 0.75 | 80 | >1100 | 4600 |
Advantages：
(1）greatly improve concrete bonding and tensile strength
(2) improve mechanical performance concrete
(3) prevent the damage to the concrete
(4) decrease the danger from crack of the concrete
(5) provide exceptional load stability and durability
Application:
The projects blending the ripple steel fiber with concrete in a certain ratio will evidently strengthen bending resistance, stretching resistance, abrasion resistance and pressure resistance. It is widely used in highway, bridge, tunnel, airport runway, industrial floor, hydraulic project and basic structure construction of tall building, as well as shock resistance structure and high temperature kiln stove construction.
