| Customization: | Available |
|---|---|
| After-sales Service: | Pre-in-Post |
| Warranty: | Forever |
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Product Introduction
The distinguished 1x7 structure of our unbonded prestressed steel strands, available in dimensions "12.7mm, 15.20mm, 15.70mm, 17.80mm," showcases exceptional engineering precision. Enhanced by cutting-edge anti-corrosion grease and an advanced sheath, these strands are crafted specifically for robust applications in water conservancy and hydro-power projects. With the increasing rise of wind power initiatives, particularly projects where tower heights reach or surpass 120 meters, our unbonded prestressed steel strands come to the forefront. Their utilization in concrete towers with external prestressing technology offers unparalleled advantages in terms of superior corrosion and fatigue resistance, effectively boosting wind resilience and significantly extending service life.
Adhering to the JG/T 161-2016 Unbonded Prestressed Steel Strand standards, our innovative design redefines the testing methods for sheath tensile properties. This advancement not only enhances functionality but also streamlines the process. such that sheath performance is optimized, quality is meticulously standardized, and overall project safety is elevated to new heights.
Product Characteristics
The outer cable in wind power concrete towers employs our unbonded steel strand. The sheath and grease thicknesses are custom-designed to meet specific user requirements, ensuring a sheath surface that is both dense and smooth. The steel strand contours are distinctly visible, with surface quality adhering to standards of excellence, free from air holes, mechanical damage, cracks, and noticeable wrinkles.
Product Application
Ideal for Wind Power and Water Conservancy
Hydro-power Stations
South-North Water Transfer Projects
River Channels and other vital national water conservancy and hydropower endeavors
| 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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