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Low Cost Concrete Sheared Steel Fiber for for Construction

Shearing steel fiber made of cold-rolled strip by shear, cut from the production process.
The product has the characteristics of high tensile strength, easy to disperse, and good adhesion to the concrete.It is can be coated with copper ,which we called "Copper coated shearing steel fiber".
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  • XRT-SSF

  • xinrui-te

Low-Cost  Concrete Sheared Steel Fiber for for Construction

                                                                                                                                                                  ------XRT-SSF

Shearing Steel Fibres for Concrete Floor

Sheared Steel Fiber Product Overview

Sheared steel fibre, full name cold-rolled steel strip sheared steel fibre, is made by high-precision lengthwise and cross-cutting of thin cold-rolled steel strips (0.3–1.2 mm thick). These short steel fibers often have notches, ripples, or hooked ends to boost anchorage and bond with concrete — ideal when you need strong concrete reinforcement.

These high-performance fibers feature:

◆ Enhanced tensile strength (≥500 MPa)

                                                                                                                  ◆ Optimised aspect ratios (L/D:20-100)

                                                                                                                   ◆ Superior concrete adhesion

                                                                                                                    ◆ Custom copper coating available


Sheared Steel fiber Technical Specifications

Parameter Specification Parameter Specification
Dimensions (L×Φ) 20-60 mm × 0.3-1.2 mm Buckling Resistance ≥3 test cycles
Aspect Ratio (L/D) 20-100 Anchor Height 1.5-2.0 mm surface profiling
Tensile Strength ≥500 MPa Density 7.85 g/cm³ (0.00785 g/mm³)

Shearing  steel fiber Key Features

◆ Cold-working process ensures dimensional consistency

◆ Mechanical anchoring through deformed surface geometry

◆ 450-600 fibers per kilogram (standard size calculation)

◆ Compatible with concrete grades up to C80

Construction Tips 

Feeding order: Mix sand, aggregates and cement first, then add sheared steel fiber. Never dry mix directly to avoid fiber clumping.

Mixing time: Extend mixing time by 30 to 60 seconds compared with normal concrete, to ensure even fiber distribution.

                           Pour the mixed concrete right away. Do not leave it standing for too long.

What is the relationship between the length of sheared steel fiber and concrete pouring thickness?

1. Shotcrete (Tunnel, Slope, Foundation Pit)

Common shotcrete thickness: 80mm, 100mm, 120mm, 150mm

80mm thickness: Max allowable length ≈ 53mm. Recommended size: 30mm / 35mm for low rebound and anti-blockage performance.

100mm thickness: Max allowable length ≈ 67mm. Main selection: 30mm / 35mm.

120mm thickness: Max allowable length = 80mm. Regular selection: 30~40mm.

150mm thickness: Max allowable length = 100mm. Recommended size: 35~40mm.

Supplement

For thin shotcrete (thickness < 60mm): Only use fibers ≤ 25mm to prevent fiber exposure and surface particle falling.

2. Cast-in-place Concrete (Floor, Bridge, Structural Members)

Floor & surface layer (100~150mm thickness): Recommended fiber length: 30~35mm.

Thick components, beams & piers (thickness > 150mm): Choose 35~40mm. 40mm is ideal for high-stress structures.

Ultra-thin surface layer (thickness < 80 mm): Fibre length shall be limited to 25~30mm.




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