Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
Our high-quality 1x7 structure Unbonded Prestressed Steel Strand, available in 12.7mm, 15.20mm, 15.70mm, and 17.80mm, is crafted to perfection with anti-corrosion grease and a robust sheath. Engineered for superior performance, these strands are pivotal in water conservancy and hydro-power projects. As the demand for wind power projects surges, with construction heights reaching or exceeding 120m, our steel strands are increasingly utilized in concrete towers employing external prestressing technology. Renowned for their exceptional corrosion and fatigue resistance, these strands not only enhance wind resistance but also significantly extend the service life of structures.
Adhering to the JG/T 161-2016 standard for Unbonded Prestressed Steel Strand, we have revolutionized the design to streamline the testing method for sheath tensile properties. This innovation boosts practicality, ensuring that the sheath's performance is optimal, effectively standardizes its quality, and enhances the overall safety and reliability of your construction projects.
Product Characteristics
Our unbonded steel strands, specifically designed for the outer cable of wind power concrete towers, feature customizable sheath thickness and grease according to user specifications. The sheath surface is meticulously crafted to be dense and smooth, distinctly outlining the steel strand beneath. Meeting rigorous quality standards, our products are free from air holes, mechanical damage, cracks, and noticeable wrinkles, ensuring top-tier performance.
Product Application
Ideal for applications in Wind Power and Water Conservancy
Hydro-power Stations
South-North Water Transfer Projects
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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