Power transmission towers, also known as transmission steel towers, are important support structures for high-voltage transmission lines, used to suspend transmission conductors and ground wires, ensuring safe distances between conductors and the ground and other buildings. Yutai power tower products cover all voltage levels from 10kV to 750kV, including suspension towers, angle towers, tension towers, terminal towers and other tower types.
Products are made of Q235B/Q355B/Q460 high-quality carbon structural steel and low-alloy high-strength structural steel, designed and manufactured strictly in accordance with GB/T 2694-2018 'Technical Specifications for Manufacturing of Transmission Line Towers', DL/T 646 and other standards. CNC angle steel and plate production lines ensure high precision and stable quality. Overall hot-dip galvanized anti-corrosion treatment, design service life over 50 years.
Widely used in State Grid, China Southern Power Grid and other power transmission and transformation projects, as well as new energy power generation, industrial park power supply and other fields. Customizable designs based on voltage level, conductor type, meteorological conditions, topography and other parameters, providing full-process services from design, manufacturing to on-site installation.
| Parameter | Value |
|---|---|
| Voltage Level | 10kV, 35kV, 110kV, 220kV, 330kV, 500kV, 750kV |
| Tower Types | Suspension / Angle / Tension / Terminal / Transposition / Crossing |
| Structure Types | Angle steel / Steel pipe / Composite |
| Common Heights | 15m - 120m (Designed by voltage and span) |
| Main Material | Q235B / Q355B / Q460 Structural steel |
| Design Standards | GB/T 2694-2018, DL/T 646, GB 50017 |
| Design Wind Speed | 25-40m/s (0.35-0.7kN/m²) |
| Seismic Rating | Intensity 8 |
| Ice Coating | 10-30mm (By meteorological zone) |
| Horizontal Span | 200-800m (By voltage level) |
| Vertical Span | ±250 - ±600m |
| Anti-corrosion | Hot-dip galvanizing (ISO 1461, GB/T 13912) |
| Connection | Bolted (High-strength bolts) |
| Design Life | ≥ 50 years |
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