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Product Introduction
Discover the marvel of engineering with our 1x7 structure '12.7mm, 15.20mm, 15.70mm, 17.80mm' unbonded prestressed steel strand. This high-performance marvel is crafted with precision, boasting anti-corrosion grease and an impenetrable sheath, making it an ideal choice for extensive water conservancy and hydropower projects. With a rising demand in wind power applications, our steel strand has become indispensable, especially as wind power towers soar to new heights, often reaching 120m or more. Its exceptional corrosion and fatigue resistance make it the preferred solution for concrete towers utilizing external prestressing technology. Unlock enhanced wind resistance and unparalleled longevity for the structures you build, embracing the innovation that sets industry standards.
Aligned with the JG/T 161-2016 Unbonded Prestressed Steel Strand standard, our pioneering design revolutionizes ease of testing for sheath tensile properties, boosting practicality and simplicity. This ensures ahigh-performing sheath that meets exceptional quality standards, thereby elevating project safety and reliability to new heights.
Product Characteristics
Engineered for wind power concrete towers, our unbonded steel strand boasts a sheath surface that is remarkably dense and smooth, allowing the steel strand's outline to be distinctly visible. Tailored to meet specific technical criteria, we customize sheath and grease thickness to your exact specifications. Our assurance of surface quality is unwavering, ensuring freedom from air holes, mechanical damage, cracks, and visible wrinkles, thereby adhering to the most stringent industrial standards.
Product Application
Wind Power and Water Conservancy
Hydropower Stations
South-North Water Transfer Project
River Channels and other National Key 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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