Crimped Steel Fibres
Crimped steel fibres made from cold-drawn low-carbon steel are a popular choice for enhancing concrete’s structural strength and durability. Unlike other types of steel fibres, round crimped steel fibres boast a unique shape that enhances their pull-out resistance. These fibres are specifically designed to resist cracking, plastic shrinkage, and drying shrinkage and improve the overall robustness of concrete structures. The properties of steel fibres vary depending on several factors, such as concrete composition, geometrics, distribution, orientation, and densities. However, with their exceptional qualities and unique features, crimped steel fibres remain one of the best options for improving the performance of concrete structures.
Shape: Round Crimped steel fibre are zigzag in shape, or, in other words, they are curled or wavy in shape.
Compatibility: These fibres can be easily added to the concrete mixture at any time prior to placement without any hassle.
Steel fibre reinforced concrete applications:
- Commercial and industrial slabs on ground
- Bridge decks, overlays
- Pavements
- Precast concrete applications
- Shotcrete
- Tunnel linings
- Slope stabilization
- Mass concrete
- Composite deck construction
Nominal Dimensions and Mechanical Properties
| Product Name | Dia (MM) | Length (MM) | UTS | Aspect Ratio |
|---|---|---|---|---|
| Micro Steel Fibres | 0.40 TO 0.50 | 6, 8, 13, 18 | 2150-2450 2450-2750 2750-3050 |
12-45 |
| Stainless Steel Fibres | 0.20 to 1.00 | 6, 8, 13, 18, 20, 25, 30 | 1200-1500 1500-1800 1800-2100 |
10-80 |
| Crimped Steel Fibres | 0.55, 0.75, 1.00 | 25, 30, 35, 45, 50, 60 | >1100 | 45-110 |
| Hooked End Steel Fibre | 0.55, 0.75, 1.00 | 30, 50, 60 | >1100 | 30-80 |
| Brass Coated Micro Steel Fibres | 0.20mm, 0.22mm, 0.25mm, 0.28mm, 0.30mm |
6, 8, 13, 18 | 2150-2450 2450-2750 2750-3050 3050-3350 |
20-90 |
| Custom Size / UTS / Aspect Ratios available on request | ||||
Applications:
Stainless Steel Fibres are suitable for a wide range of applications across concrete and refractory structures. Key applications include:
- UHPC: Stainless steel fibres enhance the strength, toughness, and durability of precast concrete elements and ultra-high-performance concrete (UHPC). They improve load-bearing capacity, crack resistance, and extend service life.
- Tunnel Linings & Shotcrete: They provide superior reinforcement in tunnel linings and sprayed concrete (shotcrete), offering resistance against dynamic loads, spalling, and shrinkage cracks, ensuring long-term stability and safety.
- Marine & Coastal Structures: Stainless steel fibres significantly increase corrosion resistance in harsh saline environments, making them ideal for jetties, sea walls, bridges, and offshore platforms. They help reduce maintenance and extend structural life.
- Refractory Castables & Linings: Stainless steel fibres improve thermal shock resistance and mechanical strength in refractory linings, minimizing spalling and cracking at high temperatures. They ensure longer life for furnaces, kilns, and boilers.
- High-Temperature Applications: With excellent heat resistance, stainless steel fibres maintain integrity in extreme thermal conditions. They are suitable for chimneys, incinerators, and other structures exposed to fluctuating high temperatures.
- Defense & Security Structures: Used in blast-resistant and impact-resistant concrete, stainless steel fibres enhance energy absorption and crack control. This makes them ideal for bunkers, protective shelters, and sensitive infrastructure.
- Hydraulic Structures: Stainless steel fibres improve water-tightness and durability in dams, canals, spillways, and water-retaining structures. They provide resistance against erosion, cavitation, and freeze-thaw cycles.
Benefits:
- Increased Dynamic Load Resistance
- Improved Compressive Strength
- Increased Mechanic Shock Resistance
- Improved Tensile Strength
- Increased Freeze/Thaw Resistance
- Reduced Bleeding
- Reduced Cracking
- Better strength & Enhanced durability
- Significant cost savings
