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.
Status: Industrial Grade & Precast Manufacturing Standard. Engineered in strict compliance with international prestressing standards, our indented cold-drawn PC wire combines high-carbon steel integrity with precision surface indentations, delivering ultimate tensile strength, enhanced concrete bonding, and certified reliability for advanced precast concrete engineering.
Indented Prestressed Concrete Wire | High-Strength Cold Drawn Steel Wire for Precast Elements
​Designed for absolute structural performance, high bond strength, and minimal long-term prestress loss under rigorous tensioning cycles. Every coil adheres to rigorous metallurgical and geometric benchmarks.
|
Technical Parameter |
Specification Value |
Governing Standard / Design |
|
Manufacturing Standards |
ASTM A421 / BS 5896 / ISO 6934 / GB/T 5223 |
International Prestressing Specifications |
|
Nominal Wire Diameters |
4.0 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 |
Indented (Chevron / Spiral Press Patterns) |
Enhanced Concrete Adhesion |
|
Material Composition |
High-Carbon Steel (e.g., SAE 1070 / 1080 Rods) |
Premium Metallurgical Grade |
|
Relaxation Property |
Low Relaxation / Standard Cold-Drawn Stress Retention |
Long-Term Durability Design |
· ​Enhanced Mechanical Bond (Indentation): Engineered with precision surface indentations that mechanically interlock with the surrounding concrete matrix, significantly reducing transfer length and improving bond strength compared to plain wire.
· ​High Tensile Strength (1470–1860 MPa): Manufactured through multi-stage cold drawing processes using premium high-carbon steel, providing exceptional load-carrying capacity and structural efficiency.
· ​Dimensional Precision & Uniformity: Maintained under strict tolerances for diameter, pitch, and depth of indentations, ensuring consistent performance across automated precast production lines.
· ​Full Batch Traceability & Quality Control: Produced under strict ISO 9001 frameworks. Every production coil undergoes rigorous tensile, elongation, wrapping, and depth-of-indentation tests accompanied by certified Mill Test Reports (MTR).
​Essential high-performance tensioning and reinforcement elements deployed across diverse civil and precast manufacturing sectors:
· ​Precast Concrete Elements: Hollow-core floor slabs, wall panels, lintels, and pre-tensioned concrete piles.
· ​Railway Infrastructure: High-speed railway prestressed concrete sleepers (ties) and track support structures.
· ​Specialized Industrial Structures: Utility poles, high-strength concrete pressure pipes, and small-span bridge beams.
​Q: What is the main benefit of using indented PC wire over plain wire?
A: The precision indentations create a mechanical interlock with concrete, greatly improving the bond and load transfer capabilities, which reduces the required transmission length in pre-tensioning beds.
​Q: What indentation patterns are available?
A: We supply standard chevron (herringbone) and spiral pressed indentations, strictly engineered to meet international bonding and depth specifications.
​Q: What is the standard export packaging and transport safety?
A: PC wire coils are tightly bound with steel straps, lined with moisture-proof plastic film and heavy-duty woven protective covers, and securely palletized to prevent transit corrosion during global shipping.
