| Customization: | Available |
|---|---|
| After-sales Service: | Pre-in-Post |
| Warranty: | Forever |
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Product Introduction
Delve into the unparalleled excellence of our 1x7 structure unbonded prestressed steel strand, available in precise diameters of 12.7mm, 15.20mm, 15.70mm, and 17.80mm. This remarkable prestressed steel bar is engineered with premium anti-corrosion grease and a durable sheath, perfect for ensuring longevity and performance. Designed with versatility in mind, these strands are indispensable in prestigious water conservancy and hydro-power projects. As the demand for wind power soars, and tower heights reach impressive thresholds of 120m or beyond, our unbonded prestressed steel strand emerges as the go-to solution for concrete towers employing external prestressing technology. Its superior corrosion and fatigue resistance not only elevate wind resistance but also significantly extend the service life of structures, making it an ideal choice for cutting-edge construction projects.
Embracing the comprehensive standards set by JG/T 161-2016 for Unbonded Prestressed Steel Strand, we have introduced groundbreaking innovations in design. Our advancements simplify the testing methods for sheath tensile properties, enhancing the practical application and user-friendliness of our products. Thanks to our meticulous enhancements, the performance of the sheath is optimized, ensuring strict quality standardization and bolstering the safety and reliability of your projects.
Product Characteristics
Our unbonded steel strand finds its pivotal role as the external cable of wind power concrete towers. Tailored to meet the unique technical specifications of discerning users, the sheath's thickness and grease application are customizable. The sheath's surface is impeccably dense and smooth, revealing the steel strand's outline with precision. We guarantee that the surface quality aligns with the highest standards: free from air holes, mechanical damage, cracks, and any conspicuous wrinkles.
Product Application
Wind power, Water Conservancy
Hydro-power Station
South-North Water Transfer Project
Vital 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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