Melt Extract Stainless Steel Fiber - Steel Fiber Loose CNBM Company China

Melt Extract Stainless Steel Fiber - Steel Fiber Loose CNBM Company China System 1

Melt Extract Stainless Steel Fiber - Steel Fiber Loose CNBM Company China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 2000 kg

Supply Capability:: 30000 kg/month

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Specifications

1.material: steel plate
2.shape: waved
3.thickness: 0.5-13mm
4.length:35-5mm
5.tensile strength: >800Mpa

Xorex Steel Fiber

The milled steel fiber is made of high-strength steel wire through milling process, which makes the wire into wave shape to increase the touching area with concrete. By tightly binding with the mortar, the steel fiber can greatly enhance the performance of steel-fiber reinforced concrete, with strong cracking and shearing resistance, and tensile strength.

Specification	Thickness (mm)	Width (mm)	Length (mm)	Length- diameter l/d	Tensile strength (MPa)	Bending property
T×W×L	0.5-1.3	2-4	35-50	70~38	≥600	≥3

Specification

Thickness (mm)

Width

(mm)

Length (mm)

Length-

diameter l/d

Tensile strength

(MPa)

Bending property

T×W×L

0.5-1.3

2-4

35-50

70~38

≥600

≥3

Item	Ordinary concrete	Steel fiber reinforced concrete	Enhancement rate
Item	C30(RC)	C30(SFRC)	(,%,)
Tensile strength	3,5MPa	5,39-7MPa	54-100
Compressive strength	31,2MPa	32,5-40MPa	4,4-28,2
Ultimate bending strength	5,5MPa	9,18-13,75MPa	67-520
First crack bending strength	4,88MPa	7-8Mpa	43-100
First crack strength	8,85N,m	23-53N,m	160-500
Impact and fatigue strength	5,96/cm2	53,3-91/m2	8-15 times
Impermeability grade	P4	P6~p12	0,5 ~2,5 times

Type of steel fiber reinforced concrete	length/mm	L/D
For general purpose	20~60	30~80
Jet concrete	20~35	30~80
Joints of seismic frame	35~60	50~80
Railway sleeper	30~35	50~70
Layered composite pavement	30~120	60~100

Content of steel fiber	Sand percentage (%)	Water cement ratio	Slump (cm)	Unit amount (kg/m³)
Steel fiber	Cement	Gravel	Sand	Water
1—1.2	40	0.45	3—5	78	400	1233	819	180

Content of steel fiber

Sand percentage

(%)

Water cement ratio

Slump

(cm)

Unit amount (kg/m³)

Steel fiber

Cement

Gravel

Sand

Water

1—1.2

0.45

3—5

400

1233

819

180

Content of steel fiber	Sand percentage (%)	Water cement ratio	Slump (cm)	Unit amount (kg/m³)
Steel fiber	Cement	Gravel	Sand	Water
1.5—1.8	48	0.45	3—5	120	450	1210	1035	200

Content of steel fiber

Sand percentage

(%)

Water cement ratio

Slump

(cm)

Unit amount (kg/m³)

Steel fiber

Cement

Gravel

Sand

Water

1.5—1.8

0.45

3—5

120

450

1210

1035

200

Picture

Steel Fiber Loose Company CNBM Company China

Steel fiber

Steel Fiber Loose Company CNBM Company China

FAQ

certificated: ISO 9001

Technical advantages of Daye steel fiber:
A. Improve mechanical performance of concrete
B. Provide uniform distribution throughout concrete with excellent mixing
C. No balling or caking by adopt correct mixing method

D. Reduce concrete volume

E.Save construction time and cost

F.Reduce excavation volume

G.Available for jointless floor.

Q: Can melt extract stainless steel fiber enhance the resistance of concrete to freeze-thaw cycles?: Yes, melt extract stainless steel fiber can enhance the resistance of concrete to freeze-thaw cycles. The addition of these fibers improves the concrete's durability by reducing cracking and increasing its ability to withstand the expansion and contraction caused by freezing and thawing.

Q: Can melt extract stainless steel fiber be used in pre-stressed concrete elements?: Yes, melt extract stainless steel fiber can be used in pre-stressed concrete elements. The use of stainless steel fibers in pre-stressed concrete can enhance its mechanical properties, such as improving crack resistance and reducing shrinkage. These fibers also provide increased durability and resistance to corrosion, making them suitable for use in pre-stressed concrete elements.

Q: What is the recommended mix design for concrete containing melt extract stainless steel fiber?: When incorporating melt extract stainless steel fiber into concrete, it is advised to use a larger amount of fibers compared to traditional mix designs. This is due to the higher aspect ratio and superior tensile strength of stainless steel fibers, which enhance reinforcement and crack resistance in the concrete. The specific fiber dosage may vary depending on the intended application and desired performance characteristics of the concrete. However, a general recommendation is to use between 1% and 2% of stainless steel fibers by volume. This dosage range has been proven to offer optimal reinforcement and enhance the overall durability of the concrete. In addition to the fiber dosage, it is crucial to take into account other factors such as the water-cement ratio, aggregate gradation, and selection of admixtures. The water-cement ratio should be meticulously controlled to ensure a workable mix with sufficient strength. The aggregate gradation should be optimized to achieve a compact and robust concrete matrix. Furthermore, admixtures can be employed to improve workability, pumpability, and setting time of the concrete. To determine the specific mix design parameters for a project involving melt extract stainless steel fiber, it is advisable to consult with a qualified engineer or concrete supplier. In summary, the recommended mix design for concrete containing melt extract stainless steel fiber involves a higher fiber dosage, careful control of the water-cement ratio, optimization of aggregate gradation, and appropriate use of admixtures. By following these guidelines, a high-performance concrete with enhanced reinforcement and durability properties can be achieved.

Q: How does melt extract stainless steel fiber affect the cracking behavior of concrete?: The cracking behavior of concrete is significantly impacted by melt extract stainless steel fiber. These fibers, produced by melting stainless steel and extracting it into varying lengths of fibers, are commonly used to reinforce concrete structures. Using melt extract stainless steel fiber has several benefits in enhancing the crack resistance of concrete. When added to the concrete mix, these fibers act as reinforcement, providing extra strength and preventing crack propagation. This is especially important for concrete structures that experience heavy loads or dynamic forces, as they are more prone to cracking. The presence of stainless steel fibers in concrete improves its tensile strength, which is usually lower than its compressive strength. Consequently, the concrete becomes more resistant to cracking as the fibers help distribute stress and prevent crack formation and propagation. This improved crack resistance is particularly advantageous in applications where concrete undergoes shrinkage, thermal expansion, or external loading, as it helps maintain the structure's integrity and durability. Furthermore, melt extract stainless steel fibers also improve the behavior of concrete after cracking. In conventional concrete, once a crack forms, it tends to spread rapidly, compromising structural integrity and reducing load-bearing capacity. However, with the addition of stainless steel fibers, these cracks are effectively bridged and restrained, reducing their width and preventing further propagation. This post-cracking behavior is crucial in maintaining the concrete's structural performance and serviceability under different loading conditions. In summary, melt extract stainless steel fiber has a significant impact on the cracking behavior of concrete by enhancing its crack resistance, tensile strength, and post-cracking behavior. By reinforcing the concrete matrix, these fibers prevent crack formation and propagation, improving the durability and structural integrity of concrete structures.

Q: Can melt extract stainless steel fiber be used in self-compacting concrete mixtures?: Yes, melt extract stainless steel fiber can be used in self-compacting concrete mixtures. The addition of stainless steel fibers enhances the properties of self-compacting concrete, such as improving its durability, crack resistance, and mechanical strength.

Q: Can melt extract stainless steel fiber improve the bond strength of concrete to masonry units?: The use of melt extract stainless steel fiber can enhance the bond strength between concrete and masonry units. Typically employed as reinforcement in concrete, stainless steel fibers are known for their ability to improve mechanical properties, particularly bond strength. Produced by rapidly cooling and solidifying molten stainless steel, melt extract stainless steel fibers possess a high tensile strength. When incorporated into concrete mixes, these stainless steel fibers establish a three-dimensional reinforcement network within the matrix, thereby enhancing the bond between concrete and masonry units. By functioning as miniature anchors, these fibers prevent the separation of concrete from the masonry surface during periods of stress. Consequently, the bond strength is improved, leading to increased durability at the concrete-masonry interface. Furthermore, melt extract stainless steel fibers also contribute to the reduction of micro-cracks in concrete, which further boosts the bond strength. These fibers exhibit resistance to corrosion and possess a high tolerance to alkalis, guaranteeing long-term performance and stability in the concrete-masonry bond. In summary, the addition of melt extract stainless steel fibers to concrete results in a significantly improved bond strength with masonry units, leading to a more resilient and long-lasting structure.

Q: Can melt extract stainless steel fiber be used in lightweight concrete blocks or panels?: Yes, melt extract stainless steel fiber can be used in lightweight concrete blocks or panels. The addition of stainless steel fibers enhances the strength and durability of the concrete, making it suitable for use in various construction applications.

Q: How does melt extract stainless steel fiber affect the curing time of concrete?: Melt extract stainless steel fiber can have both positive and negative effects on the curing time of concrete. The addition of stainless steel fibers can enhance the early age strength development of concrete, leading to a faster curing time. This is because the fibers act as reinforcement, improving the overall mechanical properties of the concrete and reducing drying shrinkage. Furthermore, stainless steel fibers can also improve the durability and crack resistance of concrete, which can result in a faster curing process. By preventing cracks and reducing the need for repairs or maintenance, the concrete can cure more efficiently. On the other hand, the addition of stainless steel fibers can also extend the curing time of concrete. This is due to the fact that the fibers may hinder the movement of water within the concrete mixture, slowing down the hydration process. Furthermore, the presence of fibers can increase the viscosity of the concrete, making it more difficult for moisture to penetrate and fully hydrate the cement particles. Ultimately, the impact of melt extract stainless steel fiber on the curing time of concrete depends on various factors such as the fiber content, aspect ratio, and mix design. It is important to carefully consider these factors and conduct proper testing to determine the optimal dosage and fiber type for achieving the desired curing time in concrete applications.

Q: Can melt extract stainless steel fiber be used in asphalt reinforcement?: Yes, melt extract stainless steel fiber can be used in asphalt reinforcement.

Q: How does melt extract stainless steel fiber improve the abrasion resistance of concrete?: Melt extract stainless steel fiber improves the abrasion resistance of concrete by reinforcing the matrix and enhancing its durability. The addition of stainless steel fibers creates a three-dimensional network within the concrete, which helps to distribute the applied load and reduce cracking. This network also acts as a barrier against abrasive forces, preventing the concrete from wearing out quickly. Overall, the incorporation of melt extract stainless steel fiber strengthens the concrete and enhances its ability to withstand abrasion, leading to increased longevity and performance.

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