| Customization: | Available |
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| After-sales Service: | Pre-in-Post |
| Warranty: | Forever |
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Product Introduction
Introducing our exceptional 1x7 structure Unbonded Prestressed Steel Strand, offered in precise dimensions of 12.7mm, 15.20mm, 15.70mm, and 17.80mm. This marvel of engineering is meticulously coated with anti-corrosion grease and encased in a robust sheath, rendering it an optimal choice for water conservancy and hydro-power projects. As wind power initiatives gain momentum, our steel strands are pivotal in constructing wind power towers that often rise beyond 120 meters. The integration of external prestressing technology in concrete towers exploits the unbonded prestressed steel strand's superior resistance to corrosion and fatigue, thus bolstering wind resistance and markedly extending tower longevity.
Our product's innovative design is anchored on the esteemed JG/T 161-2016 standard for Unbonded Prestressed Steel Strand. We have revolutionized the design to streamline the testing of the sheath's tensile properties, thereby enhancing its practical usability and facilitating theadvancement of sheath performance. This cutting-edge innovation not only standardizes the quality of the sheath but also significantly elevates the safety and quality of comprehensive project execution.
Product Characteristics
Our unbonded steel strand, designed for wind power concrete towers, features an exterior cable crafted for peak performance. The sheath's thickness and grease composition can be tailored to meet specific user requirements. Its surface is meticulously dense and smooth, allowing the steel strand's outline to be clearly visible, meeting stringent quality standards with no air holes, mechanical damage, cracks, or notable wrinkles.
Product Application
The applications span across Wind Power, Water Conservancy,
alongside Hydro-power Stations.
The South-North Water Transfer Project,
River Channels, and other significant national water conservancy and hydropower projects.
| UNBONDED PC STRAND | ||||||
| Size(mm) | Tensile Strength(MPa) | Section Area(mm2) | Gresase mass per meter(g/m) | Minimum thickness of coat(mm) | Friction factor(μ) | Effect modulus(K) |
| 12.7 | 1720,1860,1960 | 98.7 | 43 | ≥1.0 | 0.04~0.1 | 0.003~0.004 |
| 15.2 | 1570,1670,1770,1860,1960 | 140.0 | 50 | |||
| 15.24 | 1860 | 140.0 | 50 | |||
| 15.7 | 1860 | 150.0 | 53 | |||
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