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
Applicable standards and test methods
PIONEER® steel fibers are developed with reference to internationally recognized standards for steel fiber products and fiber-reinforced concrete. Applicable standards and documentation depend on the product grade, intended application, project requirements, and destination market.
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ASTM A820/A820M — Standard Specification for Steel Fibers for Fiber-Reinforced Concrete
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ASTM C1116/C1116M — Standard Specification for Fiber-Reinforced Concrete
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EN 14889-1:2006 — Fibres for Concrete — Part 1: Steel Fibres — Definitions, Specifications and Conformity
These standards provide technical references for steel fiber selection and use in precast concrete, industrial floors, shotcrete, and other fiber-reinforced concrete applications. Product suitability should be confirmed according to the project design, required performance, and applicable local regulations.
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.
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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
24 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
PNE® MS-6013 is a copper-coated micro steel fiber designed for ultra-high-performance concrete (UHPC), reactive powder concrete (RPC) and other fine high-performance cementitious systems.
Their small dimensions allow a large number of individual steel fibers to be distributed within a fine concrete matrix. When adequately dispersed, fibers crossing a crack plane can contribute to crack bridging and post-crack load transfer.
The copper-coated surface is part of the PNE® MS-6013 product specification. Any specific effect on corrosion behavior, matrix interaction or mixing should be evaluated using the current product technical data and test evidence.
Final dosage should follow the current PNE® MS-6013 TDS and the approved UHPC or RPC mix design. Selection should consider fiber volume, matrix properties, workability, mixing requirements and required mechanical performance.
No. PNE® MS-6013 is a fine micro steel fiber intended for dense high-performance matrices such as UHPC and RPC. Conventional macro steel fibers use larger dimensions and are selected for different SFRC systems and performance requirements.
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Complete micro synthetic fiber portfolio—including monofilament, fibrillated, ultra-fine, self-dispersing, and polyester fibers for shrinkage crack control.
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26,500m² production base
Advanced fiber dispersibility
Exceptional tensile strength
