| Customization: | Available |
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| After-sales Service: | Pre-in-Post |
| Warranty: | Forever |
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Product Introduction
Introducing the innovative 1x7 structure "12.7mm, 15.20mm, 15.70mm, 17.80mm" unbonded prestressed steel strand, a specialized steel bar ingeniously crafted with anti-corrosion grease and a protective sheath. This product is ideally suited for advanced water conservancy and hydro-power projects. With the burgeoning demand in wind power projects, where tower heights now often exceed 120m, our unbonded prestressed steel strand is becoming the go-to solution. It is predominantly used in concrete towers utilizing external prestressing technology, renowned for its exceptional corrosion and fatigue resistance, enhancing wind resistance and substantially extending the lifespan of the structures.
Adhering to the JG/T 161-2016 Unbonded Prestressed Steel Strand standard, Tianjin Wasungen Metal Products Co., Ltd. has redefined the product design, significantly simplifying the sheath tensile property testing method. This innovation elevates practicality and facilitates seamless integration into projects. Moreover, our advancements in sheath performance have effectively standardized its quality, ensuring enhanced safety and reliability for all your projects.
Product Characteristics
In the manufacture of wind power concrete towers, our unbonded steel strand serves as the primary outer cable. The sheath's thickness and grease composition can be tailored to meet precise technical requirements, delivering a surface that is both dense and impeccably smooth. You will notice the defined outline of the steel strand without imperfections such as air holes, mechanical damage, cracks, or noticeable wrinkles.
Product Application
Our product is an ideal fit for applications in wind power and water conservancy projects,
including Hydro-power Stations, providing robust performance under demanding conditions.
It is also pivotal in the South-North Water Transfer project,
as well as river channel developments 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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