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Pre-Straightened & Cut-to-Length Spiral Ribbed PC Wire Bars (1m - 12m)


Precision straightened bars cut to exact lengths. Eliminates on-site processing for precast factories. Available in all standard diameters.

Keywords:

Pre-Straightened & Cut-to-Length Spiral Ribbed PC Wire Bars (1m - 12m)

Ruibaolong

Product Details

Engineered for Precision. Delivered Ready to Use.

For precast concrete manufacturers seeking higher efficiency, tighter tolerances, and cleaner production lines, Ruibaolong offers Pre-Straightened & Cut-to-Length Spiral Ribbed PC Wire Bars — engineered to eliminate on-site straightening and cutting operations.

Each bar is factory-straightened, precisely cut, and securely bundled, allowing direct placement into molds with no additional processing. This solution is ideal for facilities without straightening equipment or projects where length accuracy is non-negotiable.


Why Choose Pre-Straightened Bars?

Zero on-site straightening – reduce equipment investment and labor dependency

Exact length control – consistent prestress distribution and mold alignment

Lower material waste – no trimming loss, no rework

Faster production cycles – smoother feeding into automated or semi-automated lines


Technical Specifications

Product Type: Spiral Ribbed PC Wire, Pre-Straightened & Cut-to-Length

Available Lengths: Customizable from 1.0 m to 12.0 m

Length Tolerance: ± 1.0 mm (strict factory control)

Straightness: ≤ 2 mm / meter, ensuring stable placement and smooth feeding

Packaging:

Securely strapped steel bundles

Bundle weight: 1000 – 2000 kg

Edge-protected for safe handling and long-distance transport


Designed for Precast Applications

Suitable for precast concrete elements requiring high dimensional accuracy, including:

Concrete poles

Sleepers

Slabs and panels

Other prestressed concrete components

Certificate


The company focuses on the research, development, production, and sales of prestressed steel wires and bars. Products are widely used in power poles, pipe piles, floor slabs, sleepers, and other infrastructure and construction fields. The sales network covers the whole country and continues to expand overseas export markets.

Related Products


The company focuses on the research, development, production, and sales of prestressed steel wires and bars. Products are widely used in power poles, pipe piles, floor slabs, sleepers, and other infrastructure and construction fields. The sales network covers the whole country and continues to expand overseas export markets.

Frequently Asked Questions


The company focuses on the research, development, production, and sales of prestressed steel wires and bars. Products are widely used in power poles, pipe piles, floor slabs, sleepers, and other infrastructure and construction fields. The sales network covers the whole country and continues to expand overseas export markets.

Q

Do you manufacture PC Strand (7-wire) or only PC Steel Wire?


A
Prestressed steel strands are stranded steel cables composed of 2, 3, 7, or 19 high-strength steel wires, and are stress-relieved (stabilized), suitable for prestressed concrete and similar applications. The main characteristics of prestressed steel strands are high strength and good relaxation performance, and they are relatively straight when deployed. Common tensile strength grades are 1860 MPa, and there are also strength grades such as 1720, 1770, 1960, 2000, 2160, 2230, and 2360 MPa. This steel also has high yield strength.
Q

What are the main applications for your Steel Wire and Steel Bar?


A
Prestressed steel strands are mainly made of cold-drawn high-carbon steel, with a small amount of phosphate and lubricant residue on the surface. When the strength is particularly high (such as 2300 MPa), alloying elements such as chromium need to be added. The zinc-plated high-strength product can improve the silicon content. Some carbon steel prestressed steel strands have coatings on their surface, such as zinc, zinc-aluminum alloy, zinc-aluminum-magnesium alloy, epoxy resin, anticorrosive grease, polyester, and high-density polyethylene sheath. Stainless steel can also be used to make prestressed steel strands, using high-strength duplex stainless steel.
Q

Can you produce PC Bar and Wire according to international standards?


A
Strand wire is mainly used for lifting projects, and also for nuclear power projects. 19-wire large diameter strand wire is often used for mine roadway support anchor cables. Unbonded prestressing strand wire is often used for building floor slabs and some geotechnical anchor cables. Galvanized strand wire is often used for bridge tie rods, cables and external prestressing projects. Epoxy coated strand wire has similar uses to galvanized prestressing strand wire and is suitable for projects with high durability requirements.
Q

What is the difference between your Cold Drawn Wire and standard Rebar?


A
GB/T 5224-2023 [1] Steel wire for prestressed concrete (effective March 1, 2024) GB/T 33363 — 2016 Prestressed hot-dip galvanized steel wire GB/T 21073-2007 Epoxy coated steel wire JG/T 161-2016 Unbonded prestressing steel wire Foreign standards such as: American ASTM A416 / A416M - 18 7-wire steel wire for prestressed concrete British BS 5896: 2012 Japanese JIS G3536 European Union EN 10138-3 Australia and New Zealand AS/NZS 4672 Brazilian NBR-7483

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