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ProductsDiscover Ruibaolong's full range of High-Performance PC Steel Wire, PC Steel Bar, and Cold Drawn Wire. We specialize in SWRH82B Spiral Ribbed, Plain, and Indented surfaces, as well as Hose Reinforcement Wire. ISO 9001 certified manufacturer for PCCP and infrastructure projects.
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About UsTianjin Ruibaolong Prestressed Steel Strand Co., Ltd. is a leading ISO 9001 certified manufacturer established in 2010. We specialize in producing and exporting high-quality PC wire and steel bars globally.
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BlogAbout Ruibaolong We are a professional metal products manufacturer dedicated to High-Performance PC Steel Wire. With a strong market network covering China and an expanding global footprint, we supply essential materials for bridges, buildings, and infrastructure. Here, we share our journey in connecting the world with strength and durability.
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NEWS CENTER
Blog
09
2026
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06
Low Carbon 3-Ribbed Indented Steel Wire for Concrete Reinforcement
In modern construction and precast concrete manufacturing, selecting the right reinforcement material directly impacts structural performance, durability, and project costs.
Among various reinforcement solutions, low carbon 3-ribbed indented steel wire has become a preferred choice for welded wire mesh, concrete pipes, precast panels, and infrastructure projects due to its excellent bond strength, weldability, and cost efficiency.
This guide explains what 3-ribbed indented steel wire is, its advantages, applications, specifications, and why it remains a reliable reinforcement material for concrete products worldwide.
What Is Low Carbon 3-Ribbed Indented Steel Wire?
Low carbon 3-ribbed indented steel wire is manufactured from high-quality low carbon steel wire rod through a cold drawing and rolling process.
During production, three continuous rows of indentations are formed on the wire surface. These ribs improve the mechanical interlock between steel and concrete, providing stronger bonding performance than smooth wire.
Because of its low carbon content, the wire offers excellent weldability and ductility, making it ideal for automated mesh welding lines and concrete reinforcement applications.
Key Characteristics
Three-sided indented surface
Excellent concrete bonding performance
Good weldability
High dimensional accuracy
Stable mechanical properties
Suitable for automated processing
Key Advantages of 3-Ribbed Indented Steel Wire
Superior Bonding with Concrete
The three-ribbed profile significantly improves the mechanical anchoring effect between steel and concrete.
Compared with smooth wire, indented wire provides greater resistance to slippage, helping improve structural stability and crack control.
Excellent Weldability
Low carbon steel can be welded easily without special preheating procedures.
This makes it an ideal raw material for welded wire mesh production.
Higher Strength-to-Weight Ratio
The cold drawing process increases yield strength and tensile strength, allowing engineers to achieve reinforcement requirements while optimizing material consumption.
Good Ductility
Despite its higher strength, the wire retains sufficient flexibility for bending, cutting, and forming operations.
Cost-Effective Solution
The combination of high strength, efficient processing, and reliable performance helps reduce overall manufacturing costs.
Typical Specifications
| Diameter | Tensile Strength | Surface Type | Common Application |
|---|---|---|---|
| 3.0 mm | 500 MPa | 3-Ribbed | Welded Mesh |
| 4.0 mm | 500 MPa | 3-Ribbed | Concrete Panels |
| 5.0 mm | 550 MPa | 3-Ribbed | Concrete Pipes |
| 6.0 mm | 550 MPa | 3-Ribbed | Precast Components |
| 7.0 mm | Customized | 3-Ribbed | Infrastructure Projects |
| 8.0 mm | Customized | 3-Ribbed | Heavy Reinforcement |
Custom diameters, tensile strengths, and coil weights are available upon request.
Common Applications
Low carbon 3-ribbed indented steel wire is widely used in:
Welded Wire Mesh
The most common application is manufacturing welded reinforcement mesh used in:
Concrete floors
Pavements
Retaining walls
Industrial slabs
Concrete Pipes
The enhanced bond strength improves reinforcement performance in:
Drainage pipes
Culvert pipes
Water transmission pipes
Precast Concrete Products
Widely used in:
Wall panels
Hollow core slabs
Fence panels
Utility products
Infrastructure Projects
Suitable for:
Road reinforcement
Tunnel lining
Bridge decks
Foundation systems
Relevant Standards
Depending on customer requirements, low carbon indented steel wire can be produced according to various international standards.
| Standard | Region |
|---|---|
| ASTM A1064 | United States |
| BS 4482 | United Kingdom |
| DIN 488 | Germany |
| GB/T 13788 | China |
Custom production according to project specifications is also available.
Why Choose a Reliable Steel Wire Manufacturer?
Selecting a reliable supplier is essential for maintaining consistent product quality and uninterrupted production.
At Ruibaolong, we manufacture indented steel wire using advanced cold rolling equipment and strict quality control procedures.
Our production advantages include:
Precise diameter control
Uniform rib geometry
Stable tensile performance
Batch traceability
Export-grade packaging
Customized coil weights
Every production batch undergoes mechanical testing and dimensional inspection before shipment to ensure consistent performance.
Export Packaging for International Buyers
To protect steel wire during transportation and storage, we provide:
Standard Export Packaging
| Protection Layer | Purpose |
|---|---|
| Anti-Rust Oil | Corrosion Prevention |
| Waterproof PP Film | Moisture Protection |
| Woven Fabric Wrap | Mechanical Protection |
| Steel Strapping | Secure Transportation |
This packaging system helps ensure that the wire arrives in excellent condition, even after long-distance ocean shipping.
Why Global Buyers Choose Ruibaolong
Customers choose Ruibaolong because we provide:
✓ Factory-direct supply
✓ Competitive pricing
✓ Consistent product quality
✓ Customized specifications
✓ Mill Test Certificates (MTC)
✓ Fast export logistics
✓ Professional technical support
Our products are exported to manufacturers of welded wire mesh, concrete pipes, precast components, and construction materials worldwide.
Request a Quote Today
Looking for a reliable supplier of low carbon 3-ribbed indented steel wire?
Ruibaolong can provide:
Technical specifications
Product samples
Mill Test Certificates
Custom packaging solutions
FOB, CFR, and CIF quotations
Contact our sales team today to discuss your project requirements and receive a competitive quotation.
Frequently Asked Questions
What is the difference between smooth wire and indented wire?
Indented wire provides stronger mechanical bonding with concrete due to its ribbed surface, helping reduce slippage and improve reinforcement performance.
Why is low carbon steel preferred for welded mesh?
Low carbon steel offers excellent weldability and ductility, making it suitable for high-speed mesh welding production lines.
What diameters are available?
Common diameters range from 3 mm to 8 mm, while customized sizes can be produced according to customer requirements.
Can 3-ribbed indented wire be used for precast concrete products?
Yes. It is widely used in concrete pipes, wall panels, slabs, fence panels, and other precast concrete applications.
Is customized packaging available?
Yes. We offer customized coil weights, waterproof packaging, and export-grade protection according to customer requirements.
Do you provide Mill Test Certificates?
Yes. Mill Test Certificates and mechanical testing reports can be provided with each shipment.
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Tianjin Ruibaolong Prestressed Steel Strand Co., Ltd. is one of the professional manufacturers specializing in the research, development, production, and operation of prestressed steel wires, cold-drawn steel wires, and steel wires for roll welding machines.
Address: No. 3, Tianyu Road, Tianyu Science and Technology Park, Jinghai District, Tianjin
Email: globaltrade@rblprestress.com
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