Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
Introducing our top-tier 1x7 structure unbonded prestressed steel strand, meticulously engineered in precise dimensions of 12.7mm, 15.20mm, 15.70mm, and 17.80mm. This strand is expertly infused with anti-corrosion grease and enveloped in a robust sheath, making it quintessential for water conservancy and hydro-power projects. As the wind power industry expands, our steel strands play a crucial role in constructing towering wind power structures, often exceeding a remarkable 120 meters. These concrete towers, employing advanced external prestressing techniques, benefit from the strand's exceptional corrosion and fatigue resistance, enhancing wind stability and extending the tower's lifespan.
Our innovative product design rigorously adheres to the prestigious JG/T 161-2016 standard for Unbonded Prestressed Steel Strand. We've revolutionized the design to streamline the testing process of the sheath's tensile properties, thereby elevating its practical utility and facilitating theenhancement of sheath performance. This groundbreaking advancement not only effectively standardizes the quality of the sheath but also significantly amplifies the safety and integrity of the entire project.
Product Characteristics
Specifically crafted for wind power concrete towers, our unbonded steel strand boasts an exterior cable meticulously engineered for maximum efficiency. The sheath's thickness and grease composition can be customized to meet distinct user requirements. Its surface is impeccably dense and smooth, allowing for a visible contour of the steel strand. It meets rigorous quality standards, guaranteeing no air holes, mechanical defects, cracks, or notable wrinkles.
Product Application
Our applications predominantly encompass Wind Power and Water Conservancy,
in addition to Hydro-power Stations.
The South-North Water Transfer Project,
River Channels, and other nationally significant 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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