Great Magtech (Xiamen) Electric Co., Ltd. is one of the leading manufacturers and suppliers of steel fibers for concrete in China. Please feel free to wholesale high quality steel fibers for concrete from our factory. If you have any enquiry about cooperation, please feel free to email us.
Steel fibers are fibers made from different steel materials through a special process, which can be uniformly distributed in concrete with an aspect ratio within a certain range. These randomly distributed steel fibers can effectively inhibit the propagation of micro-cracks and the formation of macro-cracks inside the concrete, significantly improving the tensile, flexural, and impact resistance of concrete, and exhibiting good ductility.
Common types of steel fibers include:
Monofilament hooked steel fibers
Copper-plated microfilament steel fibers
Milled steel fibers
Sheared steel fibers
Specification Of Concrete Steel Fiber
Monofilament Hooked Steel Fibers
Made from thin steel wires of a certain strength and diameter, cut straight in the middle and bent into hooks at both ends
Smooth and uniform appearance, it is one of the most common types of steel fiber
Length: 20-60mm
Diameter: 0.3/0.4/0.5/0.75/0.9/1.0mm
Tensile strength: ≥1000MPa
Copper-plated Microfilament Steel Fibers
Length: 10-20mm
Diameter: 0.10-0.25mm
Tensile Strength: ≥2850MPa
Milled Steel Fibers
Milled from thick steel plates or ingots
Overall surface is wavy, cross-section is crescent-shaped
Length: 38/45/50mm
Equivalent diameter: 0.7-0.8mm
Tensile strength: ≥800MPa
Sheared Steel Fibers
Sheared from steel plates or strips, the overall surface is wavy, and the cross-section is rectangular
Length: 40/50/60mm; Equivalent Diameter: 0.5/0.75/0.9/1.0mm; Tensile Strength: ≥380MPa
Steel Fiber Classification
Classified by Production Process
1. Cutting type (cut with thin steel wire)
2. Shearing type (sheared with thin steel plates or strips)
3. Milling type (milled with thick plates or steel ingots)
4. Melting and Drawing type (drawn with molten steel)
Classified by Shape
Straight type, wavy type, hook type, indented type, headed type, twisted type, etc.
Classified by Material
Carbon structural steel
Alloy steel structural steel
Stainless steel
Copper-plated surface
Classified by Cross-sectional Shape
Circular, crescent-shaped, rectangular, irregular type
Application of Concrete Steel Fibers
Highway Bridges: Highway pavement and bridge deck paving; box arch bridge arch rings and continuous box girder casting;
Hydraulic Dams: Underground powerhouses and hydraulic tunnel linings; water erosion and wear areas; gates; sluice gates; aqueducts; dam seawater seepage panels;
Railway Engineering: Prestressed railway sleepers and double-block railway sleepers;
Port and Marine Engineering: Steel pipe pile anti-corrosion layers; wharf facilities; submarine concrete facilities;
Tunnel and Mine Engineering: Initial lining of hydraulic tunnels; mine roadways; railway and highway tunnel linings;
Pipeline Engineering: Centrifuge pipes, vibratory and extruded pipes, pump pipes; steel-lined steel fiber reinforced concrete pressure pipes;
Other Building Engineering: Building construction; precast piles; frame joints; roof/underground waterproofing; heavy-duty engineering plant/warehouse floors; thin-walled water storage structure silos; repair and reinforcement works; underground cable/pipeline manhole covers; sewer grates; mine roadways; airport pavement.
Test Report of Concrete Steel Fibers
All products undergo rigorous inspection before export. We will send a product inspection report to the customer before shipment. The product demonstrates stable performance in terms of dimensional accuracy, heat resistance, tensile strength, and appearance.
FAQ
Q: What are the main benefits of using steel fibers in concrete?
A: Steel fibers significantly enhance the tensile, flexural, and impact strength of concrete. They help control cracking caused by shrinkage or heavy loads, improving overall durability and toughness. Additionally, steel fiber-reinforced concrete (SFRC) offers better resistance to fatigue, abrasion, and thermal stress compared to plain concrete.
Q: How do metallic fibers improve the strength of reinforced concrete?
A: When evenly dispersed in the concrete mix, metallic fibers act as micro-reinforcements, bridging cracks and distributing stress more evenly. This improves ductility and post-cracking load-bearing capacity, reducing the risk of sudden failure. The result is a more reliable, long-lasting structural performance-especially under dynamic or impact loading conditions.
Q: Can you recommend different types of steel fibers for construction projects?
A: Yes. The choice depends on the project's performance requirements:
End-Hooked Steel Fibers: Ideal for precast elements, industrial floors, and tunnel linings due to their excellent bonding performance.
Wave-Shaped or Crimped Fibers: Suitable for shotcrete, pavements, and overlays needing high flexibility and crack resistance.
Straight or Cut Fibers: Used in applications requiring smooth dispersion and uniform strength distribution
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