Contact Info
- Tel: +86-311-87813582
- Fax: +86-311-87829648
- Email: Kaiwork@126.com
- Whatsapp: +86 86 138 3318 2035
- Add: No.345, Youyi North Street, Shijiazhuang City, Hebei Province, China.
Heavy-Duty Precast & Infrastructure Grade. Engineered specifically for centrifugal concrete electric poles, railway sleepers (ties), and high-load structural piles, our spiral ribbed PC steel wire combines premium high-carbon steel integrity with a continuous helical ribbed profile, delivering ultimate tensile strength, exceptional concrete bonding, and certified fatigue resistance for advanced precast engineering.
Spiral Ribbed PC Steel Wire | High-Bond Prestressing Wire for Concrete Poles & Railway Sleepers
​Designed for absolute structural performance, superior mechanical interlock, and cyclic load endurance under rigorous pre-tensioning production. Every coil adheres to rigorous metallurgical and geometric benchmarks.
|
Technical Parameter |
Specification Value |
Governing Standard / Design |
|
Manufacturing Standards |
GB/T 5223 / ISO 6934 / ASTM & International Prestressing Specs |
Precast Industry Standards |
|
Nominal Wire Diameters |
5.0 mm to 9.0 mm (Precision Cold-Drawn Gauge) |
Custom Diameter Options Available |
|
Tensile Strength Grades |
1470 MPa to 1860 MPa High Tensile Strength |
Strict Mechanical Testing |
|
Surface Profile |
Spiral Ribbed / Helical Indentations |
Enhanced Centrifugal Bond Optimization |
|
Material Composition |
High-Carbon Steel (e.g., SAE 1070 / 1080 Rods) |
Premium Metallurgical Grade |
|
Fatigue & Relaxation |
Low Relaxation & High Cyclic Fatigue Resistance |
Long-Term Infrastructure Design |
· ​Continuous Spiral Ribbed Bonding: Engineered with a continuous helical rib pattern that maximizes mechanical interlocking with concrete, providing superior bond strength and shorter transfer length—especially critical for centrifugal spun poles.
· ​High Cyclic Fatigue Resistance: Specifically formulated to withstand the intense vibrational and repetitive dynamic loads experienced by railway sleepers and high-voltage utility poles under operational conditions.
· ​High Tensile Strength (1470–1860 MPa): Manufactured through multi-stage cold drawing and thermal stabilization, delivering massive load-bearing capacity and allowing for optimized, slender precast designs.
· ​Full Batch Traceability & Quality Control: Produced under strict ISO 9001 frameworks. Every production coil undergoes rigorous tensile, elongation, wrapping, and rib-geometry inspections accompanied by certified Mill Test Reports (MTR).
​Essential high-performance tensioning elements deployed across specialized infrastructure and heavy precast manufacturing sectors:
· ​Concrete Electric Poles: Centrifugally spun concrete utility poles, communication masts, and high-voltage transmission structures.
· ​Railway Infrastructure: High-speed and heavy-haul railway prestressed concrete sleepers (ties) requiring superior dynamic load tolerance.
· ​Heavy Industrial Elements: Prestressed concrete pipes, high-capacity foundation piles, and structural bridge components.
​Q: Why is spiral ribbed PC wire preferred for concrete electric poles and railway sleepers?
A: The continuous spiral ribs provide superior 360-degree mechanical interlocking with concrete compared to plain or indented wires, preventing slip during centrifugal spinning of poles and resisting high cyclic fatigue in railway sleepers.
​Q: What wire diameters are most commonly used for poles and sleepers?
A: Diameters ranging from 5.0 mm to 8.0 mm are standardly deployed, tailored precisely to the structural design calculations of the precast element.
​Q: What is the standard export packaging and transport safety?
A: PC wire coils are tightly bound with high-strength steel straps, lined with moisture-proof plastic film and heavy-duty woven protective covers, and securely palletized for safe international ocean and land freight.
