Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Captivating Product Introduction
Discover the cutting-edge 1x7 structure unbonded prestressed steel strand, available in dimensions of 12.7mm, 15.20mm, 15.70mm, and 17.80mm. This exceptional prestressed steel bar is designed with anti-corrosion grease and a protective sheath, making it an ideal choice for water conservancy and hydro-power projects. Recently gaining prominence in wind power projects, where tower construction heights soar to or surpass 120m, these strands are increasingly selected for concrete towers employing external prestressing technology. Renowned for their outstanding corrosion and fatigue resistance, these products significantly enhance wind resistance and extend the service life of structures.
Adhering to the rigorous JG/T 161-2016 Unbonded Prestressed Steel Strand standard, we have reimagined our design to streamline the testing process for sheath tensile properties. Our innovations boost practicality and user convenience, transforming the performance of the sheath, effectively ensuring consistent quality standards and bolstering the safety and reliability of your projects.
Distinctive Product Characteristics
For wind power concrete towers, our unbonded steel strand features customizable sheath thickness and grease composition tailored to user specifications. The sheath surface boasts a dense, smooth finish, revealing the outline of the steel strand while meeting stringent quality standards, including an absence of air holes, mechanical damage, cracks, and conspicuous wrinkles.
Versatile Product Application
Pioneering Wind Power, Robust Water Conservancy
Innovative Hydro-power Station Solutions
South-North Water Transfer Project Excellence
Expanding Reach: River Channels and other National Key Water Conservancy and Hydropower Initiatives
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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