Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
Presenting our outstanding 1x7 structure unbonded prestressed steel strand, available in versatile dimensions: 12.7mm, 15.20mm, 15.70mm, and 17.80mm. This strand exemplifies excellence, featuring an anti-corrosion grease coat and a robust sheath, making it an ideal solution for water conservancy and hydro-power projects. As wind power demands surge, our steel strands are pivotal in constructing impressive wind power towers, which often soar beyond 120 meters. These concrete towers, equipped with cutting-edge external prestressing technology, benefit from the unbonded prestressed steel strand's unparalleled resistance to corrosion and fatigue, enhancing wind resistance and prolonging tower longevity.
Our product design is based on the esteemed JG/T 161-2016 standard for Unbonded Prestressed Steel Strand. We have innovatively transformed the design to streamline the sheath's tensile property testing process, thereby enhancing its practical usability and enabling theadvancement of sheath performance. This groundbreaking innovation not only standardizes sheath quality but significantly amplifies the safety and quality of the entire project.
Product Characteristics
Our unbonded steel strand, designed for wind power concrete towers, features an outer cable crafted for peak performance. Customizable sheath thickness and grease formulation cater to user-specific requirements. The sheath's surface is superbly dense and smooth, ensuring the steel strand's contour is discernible. It aligns with rigorous quality standards, free from air holes, mechanical damage, cracks, or prominent wrinkles, assuring top-notch quality and reliability.
Product Application
The application spectrum includes Wind Power and Water Conservancy,
in addition to Hydro-power Stations.
The prestigious South-North Water Transfer Project,
River Channels, and other nationally significant water conservancy and hydropower projects benefit from our product.
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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