Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
Discover the cutting-edge solution in prestressed steel technology with our 1x7 structure unbonded prestressed steel strand, available in dimensions of "12.7mm, 15.20mm, 15.70mm, and 17.80mm." Designed with anti-corrosion grease and a protective sheath, these strands are the ultimate choice for water conservancy and hydro-power projects. In recent years, the surge in wind power projects has seen tower heights reaching or exceeding 120m, making our steel strands indispensable. Utilized in concrete towers with external prestressing technology, they offer unparalleled advantages of robust corrosion and fatigue resistance, enhancing wind resistance and extending service life.
With adherence to the JG/T 161-2016 Unbonded Prestressed Steel Strand standards, we have redefined excellence by innovating our design to simplify sheath tensile property testing and enhance overall practicability, providing a seamless experience for users. Our meticulous enhancement of sheath performance sets a new benchmark, ensuring consistent quality and elevating the safety standards of your projects, thus effectively standardizing sheath quality.
Product Characteristics
Our unbonded steel strand, crafted for the outer cable of wind power concrete towers, offers customizable sheath thickness and grease composition to meet specific technical requirements. The sheath surface is flawlessly dense and smooth, with the steel strand outline visible. It meets the highest standards of surface quality, ensuring no air holes, mechanical damage, cracks, or noticeable wrinkles.
Product Application
Ideal for Wind Power and Water Conservancy
Perfectly suited for Hydro-power Stations
South-North Water Transfer Project
River Channels and other vital 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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