Indented Prestressed Concrete Strand
Indented Prestressed Concrete Strand
Our indented pre-stressed concretestrand features good bond strength with the concrete. As a quality structuralsteel cord, it is widely used in PC hollow floors, high-speed railway bridges,and high-speed track plates.
Key Parameter and Reference Standards
| Appearance | Nominal dia.(mm) | Tensile strength (MPa) | Relaxation(1000h) | Standards |
| Seven wires in left- or right-twist with two or three sides indented | 8.0, 9.3, 9.53 11.1, 12.5, 12.7 12.9, 15.2, 15.24 15.7 | 1770,1860 | Low relaxation ≤2.5% | ASTM A416 BS5896 En1038-3 AS/NZS4672 GB/T5224 KS7002 ISO6934-4 SS213620 JISG3536 NEN3868 UNE36094 |
| Two wires in left- or right-twist with three sides indented | 7.6, 8.6, 9.1 | 1725,1860 | Low relaxation ≤2.5% | ABNT NBR7483 |
| 4.8, 5.2, 5.8, 6.2 6.5, 7.5, 8.6 | ASTM A910 |
There are altogether 8 production lines in the PC strand factory. 2-wire,3-wire, and 7-wire PC strands in left-twist or right-twist are available. Theseproducts are made in strict accordance with the local requirements. The 7-wireindented pre-stressed concrete strand is available in diameters of 8.0mm, 9.3mm, 9.53mm,11.1mm, 12.5mm, 12.7mm, 15.2mm, 15.24mm and 15.7mm with tensile strengthbeing either 1770MPa or 1860MPa. The 2-wire indented PC strand comes indiameters of 7.6mm, 8.6mm, and 9.1mm. The 3-wire indented PC strand can be suppliedwith diameters of 4.8mm, 5.2mm, 5.8mm, 6.2mm,6.5mm, 7.5mm, and 8.6mm. The tensile strength of both the 3-wire and2-wire indented PC strands is 1725MPa or 1860MPa.
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