Customization: | Available |
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After-sales Service: | Pre-in-Post |
Warranty: | Forever |
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Product Introduction
The 1x7 structure "12.7mm, 15.20mm, 15.70mm, 17.80mm" unbonded prestressed steel strand is a specialized prestressed steel bar encased with anti-corrosion grease and a durable sheath. These superior products are pivotal in water conservancy and hydro-power projects. Recently, with the surge in wind power projects, where tower heights reach or exceed 120m, the use of unbonded prestressed steel strands in concrete towers is becoming indispensable. The products boast exceptional corrosion resistance and fatigue endurance, enhancing wind resistance and significantly extending service life.
Aligned with the JG/T 161-2016 standard for Unbonded Prestressed Steel Strand, we have revolutionized the design to streamline the testing methods for sheath tensile properties. This innovation boosts practicality and facilitates the performance of the sheath, ensuring stringent quality standards and bolstering the safety and reliability of your projects.
Product Characteristics
The wind power concrete tower's outer cable utilizes the unbonded steel strand. The sheath and grease thickness can be tailored to meet specific user requirements. The sheath's surface is dense and smooth, clearly revealing the steel strand's outline. It meets high-quality standards, being free from air holes, mechanical damage, cracks, or noticeable wrinkles.
Product Application
Wind Power, Water Conservancy
Hydro-power Stations
South-North Water Transfer Project
River Channels and other essential national 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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