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Steel Fiber

 

Steel fibers reinforcement concrete has strong tensile strength to resist the non-structural shrinkage cracks. Compared with ordinary concrete, its compressive strength can be increased by 2-20%; the flexural strength by 20-50%; the splitting tensile strength by 20-40%; the wear resistance by 40%.

Diametre

0.3/ 0.4/ 0.7 /1.0;  customized length

Application

Cement /mortar construction

Strength

25 kg/bag

Length

20-60 mm

 

Related products

PP fiber                Macro fiber              PVA fiber

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Best Sellers

Glued steel fiber

Glued steel fiber GSF112 

GSF112 tackles the problem that traditional steel fibers has never have: Ball up. GSF112 Concrete steel fiber can be used as the sole reinforcement or combined with traditional reinforcement such as rebar, wire mesh or pre-stressing elements.

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modified cold-drawn glued steel fiber

Steel Fiber STF1100

STF1100 is a modified cold-drawn glued steel fiber for concrete with hooked end, it has high tensile strength. FIBEREGO STF1100 is suitable for projects that have high requirements for resisting explosion, seismic, fatigue, crack, and impact.

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Features

Glued steel fiber solves the problem of getting clump easily. Short, Thick, Hard. STF1100 has strong bond with concrete, is suitable for pumping construction.

fiberego steel fiber STF1100

01

Dosage

We suggest 25-60kg/m³ for shotcrete, 30-80kg/m³ for road construction, and 50-100kg/m³ for bridge construction, please adjust according to your request.

02

Instructions

Put in the aggregate first, then steel fiber into the dry mix for 30-60s. Add water for the last step and mix for about 3 minutes.

03

Packing

Arranged into bundles, covered with water-soluble stretch film, neatly arranged in a carton, 10 kg/carton.

Fiberego Glued Steel Fiber: Your Ultimate Guide Towards a Professional Contractor

Fiberego steel fibers are produced in strict accordance with the requirements of the B/T19001-2016/ISO9001:2015 and can pass the American ASTM, CABO, ICBO, UL and other relevant tests.

Fiberego Glued steel fibers can evenly distribute throughout the concrete without clump.

Steel fiber reinforced concrete can reduce the rebound rate of shotcrete by 80%-90%,

STF1100 improves the compressive strength, increase the bearing capacity of the concrete. It can redistribute shrinkage-stresses in concrete, and increase residual strength after initial cracking, inhibit further expansion of cracks.

Steel fiber concrete has better performance with less dosage. It improves the impact and abrasion resistance, fatigue strength, and ductility.

This type also reduces plastic shrinkage, controls thermal crack, and improves the durability of concrete.

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Main Applications & Advantages

Hooked-ended Steel Fibers

Hooked-ended Steel Fibers

Hooked-ended steel fibers is suitable for factory floors, tunnels, basements, bridges, roads.

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Steel Fiber Reinforced Concrete

Steel Fiber Reinforced Concrete

Steel fiber concrete is applied in railway sleeper prefabrication, expressway expansion joints, cement concrete road surface and other prefabrication, cast-in-place.

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Steel Fiber Reinforced Shotcrete

Steel Fiber Reinforced Shotcrete

Steel Fiber Reinforced Shotcrete (SFRS) is especially suitable for soft and broken stratum support.

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Ultimate FAQ: Everything you care about Steel Fibers 

1. What is steel fiber?

Steel fiber is a modified cold-drawn steel wire fiber designed for concrete.

2. what are steel fiber used for?

Steel fiber is used for concrete and the products to control the cracks on the surface, and increase the toughness of them. Different from pp fiber or pva fiber made from polypropylene, steel fiber reinforced concrete has longer service life, helps to reduce engineering maintenance costs.

3. What is the benefits of steel fiber?

The main role of steel fiber in concrete is to limit the expansion of cracks in the cement matrix under the action of external force.
①Significantly improve the toughness or energy absorption capacity of concrete.

②Improve the ultimate tensile strength or strain of concrete.

③Improve the ability of concrete to control the crack width.

4. Why should I use steel fiber?

Steel fiber reduces cracks on the concrete surface, makes the concrete can still bear weight after cracking. It improves the impact resistance, flexural strength, and bearing capacity. Steel fiber reinforced concrete (SFRC) has longer life, and you will get benefits.

5. What are the differences between steel fiber and macro fiber?

The tensile Strength of Steel fibers is 1100 mpa, higher than the macro fiber’s (750 mpa). Steel fibers are suitable for projects with high requirements for bearing capacity. Macro Synthetic Fiber can resistant to acid and alkali corrosion, especially suitable for water conservancy and ocean engineering. For long-term durability, macro fibers are a better choice. Also, the weight of steel fiber is 8 times than that of imitation steel in the same volume, the cost is higher.

6. How to mix steel fiber in to the concrete?

● Put in the aggregate first, and put the steel fiber into the dry mix for 30-60s.

● Put sand and cement into dry mixing for 30-60 seconds.

● Add water and mix for about 3 minutes.

7. How to avoid fiber balling?

● Uneven mixing or wrong mixing method will cause fibers sticking into a bunch, it is called fiber ball.

● You please use a rolling mixer, and the mixing volume should be no more than 80% of the rated mixing volume of the mixer.

● The feeding sequence and mixing time are: coarse aggregate → steel fibers (mix for 1 minute) → fine aggregate → cement (mix for 1 minute). Adding steel fiber into the mixer while mixing. Pouring in sand and cement, remixing for 2~3 minutes after all the materials are put in, adding enough water and mixing for 1 minute. The total stirring time is not more than 6 minute, since super-stirring will cause the wet fiber to agglomerate.

8. Will steel fibers rust?

Yes, please store it with original packaging in a cool and dry place, and use within the shelf life.

9. How does steel fiber work?

● Steel fibers are randomly distributed in the concrete matrix, when stressed, the steel fibers act as a connection to transfer the load to the upper and lower or left and right surfaces of the crack, so that the crack area can still continue to bear the load.

● The bonding effect of steel fiber on cracks suppresses the further propagation of cracks.

● Therefore, steel fiber makes the brittle concrete into a large extent exhibit plastic characteristics. This characteristic becomes more obvious with the increase steel fiber.

10. Does adding steel fiber affect the amount of other materials?

For every 0.5% (volume ratio) steel fiber added, please increase 6kg/m³ of water, and sand rate by 2%.

11. Steel fiber is already used in concrete, is rebar still needed?

Yes, rebar is still need. Since steel fibers just control non-structural cracks, rebar is indispensable to reduce the cracks inside of concrete. (Get more information about comparision rebar and steel fiber)

12. Do you have certifications?

We do not have certifications, but our fibers can pass the American ASTM, CABO, ICBO, UL and other relevant tests. We are willing to provide you free sample for testing.

13. Are your products made of stainless steel?

Fiberego STF1100 is plain carbon steel fiber.

14. Can I get free sample?

Yes, we are willing to provide free sample for you, please contact us.

15. Ways of payment

We accept 30% deposit plus 70% L/C at sight. We also accept T/T with 30% deposit.

At Fiberego, our mission is to produce innovative solutions. Our technical support team is always ready to work with you to solve any problems and help you with your business.

+8653187919350

fiberego@mikem.com (China office)

RDdept@mikem.com (US R&D office)

Headquarter: 5955 Alpha Rd #1209 Dallas, TX 75240

Branch: Jinan International Trade Center,Gangxingyuan Road, Shandong

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