PNE® CS-4025
Crimped Steel Fibers
High-Tensile Steel Fiber for Concrete Reinforcement
Since 2002, we have specialized in concrete crack resistance, waterproofing, and anti-corrosion technologies.
Crimped Steel Fiber for Fiber-Reinforced Concrete | PIONEER®
Durable, Cost-Effective Steel Fiber Reinforcement Solution
What Are PIONEER® Crimped Steel Fibres?
PNE® CS-4025 crimped steel fibres are cold-drawn, high-strength fibers designed to reinforce concrete by reducing early-age shrinkage cracking, improving ductility, and enhancing post-crack load-carrying capacity.
The crimped (zigzag/wavy/deformed) geometry increases pull-out resistance and provides three-dimensional reinforcement, making the fibers suitable for:
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Industrial flooring & pavement slabs
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Precast elements & composite decks
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Shotcrete for tunnels & underground structures
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UHPC requiring high toughness
Compared with traditional welded wire mesh, crimped fibers help reduce labor cost, improve uniform dispersion, and enhance structural durability.
Looking to reduce cost while improving concrete performance?
Get a cost comparison and dosage recommendation for your project.
Contact us at sales@pioneerfibre.com
Technical Specifications of Crimped Steel Fibres
Our steel fibres are engineered to ensure optimal workability, dispersion, and reinforcement efficiency:
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Material: High-tensile steel
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Type: Crimped steel fibre for SFRC
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Specific Gravity: 7.8 g/cm³
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Diameter: 0.6 mm
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Length: 40 mm, 54 mm (custom lengths available)
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Aspect Ratio: Optimized for effective dispersion
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Tensile Strength: 1020 MPa
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Modulus of Elasticity: 200 GPa
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Color: Metallic gray
International Standards for Steel Fibre Reinforced Concrete
PIONEER® crimped steel fibers comply with global concrete reinforcement standards:
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ASTM A820 – Steel Fibers for Fiber-Reinforced Concrete
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ASTM C1116 – Fiber-Reinforced Concrete & Shotcrete
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EN 14889-1 – Steel Fibres for Concrete
These standards ensure consistent quality, durability, and structural performance in SFRC applications.
Key Benefits of Using Crimped Steel Fibres in Concrete
Unlock key performance enhancements with PIONEER® crimped steel fibres:
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Effective Crack Control: Mitigates shrinkage cracking and enhances flexural strength.
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Strong Mechanical Anchorage: Crimped profile increases pull-out resistance in hardened concrete.
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Improved Load Transfer & Toughness: Higher fatigue, impact, and abrasion resistance vs. plain concrete.
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Cost-Effective Reinforcement: Reduces or replaces mesh, lowering installation cost.
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Long-Term Durability: Resistant to freeze–thaw, abrasion, and stress fatigue.
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Versatile Application: Suitable for floors, precast, shotcrete, UHPC, and industrial slabs.
Flexural strength | Fatigue | Durability
Load transfer | Crack control | Impact
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Applications of Crimped Steel Fibres in Concrete
PIONEER® crimped fibers are widely used in:
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Industrial floors & warehouse slabs
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Road pavement & large concrete overlays
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Precast concrete panels, pipes, manholes
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Tunnel shotcrete, mining slopes, underground structures
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Composite steel fiber concrete decks
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UHPC components requiring high ductility
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Jointless slabs for heavy-duty environments
Hong Kong-Zhuhai-Macao Bridge
Da Nang Pier, Vietnam
Hangzhou Olympic Center
Usage Guidelines for Steel Fibre Reinforced Concrete
Follow these recommendations to maximize the performance of crimped steel fibres in your concrete:
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Dosage Recommendation: 15–45 kg/m³ depending on load demands, slab thickness, and crack control requirements.
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Mixing Instruction: Add fibers after aggregates, mix 3–5 minutes to ensure uniform dispersion and avoid balling.
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Placement: Fully compatible with pumping, casting, screeding, and vibrating.
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Finishing: Standard tools apply; minor fiber exposure does not affect structural performance.
Custom Steel Fibre Solutions for Concrete Reinforcement
We offer customizable reinforcement solutions for SFRC & UHPC:
Lengths: Standard and custom lengths available to suit project needs.
Packaging:
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Water-soluble paper bags (5 kg, 10 kg) for direct addition into the mixer.
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Cardboard cartons for organized on-site handling.
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Bulk packaging options available based on project logistics.
Not sure how to choose the right fiber or dosage?
Our team can recommend a solution based on your project requirements.
Email us：sales@pioneerfibre.com
Is Steel Fiber Still the Best Choice for Your Project?
Steel fiber is widely used in steel fiber reinforced concrete, offering high strength and reliable structural reinforcement in slabs and industrial floors.
However, in real construction, its performance often depends heavily on mixing and placement. Issues such as fiber balling, uneven distribution, surface exposure, and potential corrosion can affect workability, finishing quality, and long-term durability.
Where Steel Fiber Can Slow Down Your Project
On site, steel fiber can increase handling effort, affect pumpability, and lead to inconsistent reinforcement if not properly dispersed.
Exposed fibers may also interfere with finishing, making it harder to achieve a smooth and uniform surface.
Looking for a more practical and construction-friendly solution?
Get a cost comparison and dosage recommendation for your project.
Contact us at：sales@pioneerfibre.com
A More Efficient Alternative for Modern Concrete
Rimix™ 3D macro synthetic fiber provides a more consistent reinforcement approach with easier mixing, uniform dispersion, and better finishing performance.
No corrosion risk. No surface exposure. Easier placement.
It helps improve construction efficiency while delivering stable, long-term concrete performance.
Not sure if steel fiber is the right choice for your project?
Get quick guidance on performance, cost, and application.
Reach out to us：sales@pioneerfibre.com
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Why Choose Us?
Proven Expertise & Greater Savings
22 years of focus
on fiber reinforcement solutions.
5,000 tons yearly
from advanced manufacturing.
20+ countries served
with global product distribution.
1,000 projects proven
in diverse applications worldwide.
FAQ
Yes. Crimped steel fibers are fully compatible with water reducers, superplasticizers, accelerators, and most concrete admixtures. Proper mixing order—typically adding fibers after aggregates—ensures stable workability.
Not significantly. When properly mixed and placed, most fibers remain below the finished surface. For exposed architectural surfaces, adjustments to mix design and finishing tools can ensure a smooth, fiber-free appearance.
Engineers often reference ASTM C1609, EN 14651, and JSCE SF testing methods to evaluate flexural toughness, residual strength, and post-crack behavior of fiber-reinforced concrete.
In many light-to-medium duty applications—such as industrial floors, pavements, precast elements, and shotcrete—crimped steel fibers can partially or fully replace welded wire mesh, reducing labor and improving crack control.
Crimped steel fibers should be kept in dry, covered spaces to prevent moisture exposure. Although minor rust does not impact performance, proper storage ensures clean dosing and consistent batching efficiency.
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Why Choose PIONEER® Technologies
Tested, Proven, and Engineered for Concrete Crack Control and Durability
Partner with a trusted leader in concrete crack control, fiber reinforcement, and crystalline waterproofing solutions for modern infrastructure and high-performance concrete systems.
1. Independently Tested and Certified
Validated through independent laboratory testing and compliant with ASTM standards and CE certification, PIONEER® technologies deliver reliable performance in fiber reinforced concrete and crystalline waterproofing applications.
2. Proven in Real Projects Worldwide
With applications in over 1,000 projects across 20+ countries, our systems have been used in major infrastructure such as the Hong Kong–Zhuhai–Macao Bridge, Bangladesh Subsea Tunnel, and metro systems, demonstrating consistent performance in demanding environments.
3. Integrated Reinforcement and Waterproofing Solutions
We provide advanced systems including macro synthetic fibers, micro fiber reinforcement, and crystalline waterproofing, supporting applications in industrial floors, precast concrete, ready-mix, and infrastructure projects.
4. Direct Manufacturer with Engineering Support
We offer dosage design, mix optimization, and on-site technical support, backed by over 24 years of experience, ensuring efficient implementation and consistent performance across large-scale construction projects.
26,500m² production base
Advanced fiber dispersibility
Exceptional tensile strength
