PNE® MS-6013
Copper-Coated Micro Steel Fiber
Designed specifically for UHPC
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Since 2002, we have specialized in concrete crack resistance, waterproofing, and anti-corrosion technologies.
Coated Micro Steel Fiber for Concrete Reinforcement | PIONEER®
Advanced Copper-Coated Micro Steel Fiber for UHPC and SFRC
What Are Copper-Coated Micro Steel Fibres?
PIONEER® PNE® MS-6013 Copper-coated micro steel fibres, also referred to as micro steel fiber, brass micro steel fibre, or copper-plated micro fiber, are high-tensile fibers engineered to improve post-crack performance, ductility, and crack bridging in ultra-high-performance concrete (UHPC), steel fibre reinforced concrete (SFRC), and powder concrete.
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Physical Properties of Copper-Coated Micro Steel Fibre
Our micro metal fibers are designed for maximum reinforcement efficiency:
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Material: High-tensile steel with copper coating
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Type: Copper-coated micro steel fibre
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Specific Gravity: 7.8 g/cm³
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Diameter: 0.2–0.3 mm
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Length: 13 mm (custom lengths available)
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Aspect Ratio: 65
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Tensile Strength: >2,500 MPa
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Modulus of Elasticity: 200 GPa
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Color: Copper finish
International Standards for Micro Steel Fibre Reinforced Concrete
PIONEER® micro steel fibres comply with leading global standards for fibre-reinforced concrete:
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ASTM A820 – Standard Specification for Steel Fibers for Concrete Reinforcement
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ASTM C1116 – Standard Specification for Fiber-Reinforced Concrete
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EN 14889-1: Steel Fibres for Concrete – Definitions, Specifications, and Conformity (Europe)
These standards ensure consistent quality and performance in your UHPC and SFRC projects.
Key Benefits of Using Micro Steel Fibre in UHPC
Using copper-coated micro steel fibre reinforcement in UHPC and high-performance concrete offers:
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High Tensile Strength: >2,500 MPa for exceptional crack control and toughness.
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Corrosion Resistance: Copper coating resists corrosion in harsh conditions.
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Efficient Crack Control: Fine fibres distribute uniformly for effective bridging.
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Lightweight and Efficient: Supports thinner, lighter concrete designs without compromising strength.
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Enhanced Post-Crack Load Capacity: Improves structural integrity in UHPC and SFRC.
Improves crack control under dynamic loads
Enhances tensile strength, ductility in UHPC
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Applications of Micro Steel Fibre in UHPC and Powder Concrete
Copper-coated micro steel fibres are widely used in:
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High-Speed Rail Infrastructure: UHPC track slabs and joints for crack control and durability.
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UHPC Bridges and Long-Span Structures: Enhanced flexural strength and impact resistance.
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Tunnels and Underground Construction: Shotcrete and precast segments for ductility.
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Powder Concrete Overlays: Ultra-thin overlays for structural repair and rehabilitation.
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Precast UHPC Elements: Panels, façade components, and slim elements needing high strength.
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Industrial Floors and Heavy-Use Pavements: Increased impact resistance under heavy loads.
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Protective and Security Structures: Blast and impact resistance in UHPC barriers.
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Bridge Decks and Overlays: Superior crack resistance and lifespan extension.
These fibres are ideal for SFRC, UHPC, powder concrete, and all advanced concrete systems where toughness and durability are critical.
Hong Kong-Zhuhai-Macao Bridge
Da Nang Pier, Vietnam
Hangzhou Olympic Center
How to Use Copper-Coated Micro Steel Fibre for Concrete
For optimal results with UHPC copper-coated micro steel fibre:
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Dosage: 156–314 kg/m³, adjusted to design and project requirements.
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Batching: Add fibres gradually during dry mixing for even distribution.
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Mixing: Extend mixing time to prevent clumping.
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Placement: Compatible with standard UHPC casting and finishing methods.
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Finishing: Slight fibre visibility may occur but does not affect durability or 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.
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?
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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.
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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
Copper-coated micro steel fiber is a high-tensile, fine-diameter steel fiber with a copper or brass surface coating. It is designed to enhance crack control, post-crack strength, and ductility in UHPC, SFRC, and powder-based concrete systems.
PNE® MS-6013 is commonly used in ultra-high-performance concrete (UHPC), reactive powder concrete (RPC), precast elements, thin-section concrete, and other applications where micro crack control and tensile performance are critical.
The copper coating improves corrosion resistance, enhances fiber dispersion during mixing, and increases bond performance between the fiber and the cement matrix, especially in dense or low-water concrete mixes.
Micro steel fibers help bridge micro-cracks, delay crack propagation, and improve post-crack load-bearing capacity. This results in higher toughness, improved ductility, and better durability compared to plain concrete.
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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
