As the backbone of regional and national power networks, our 500 KV transmission line towers deliver an optimal balance between voltage capacity and cost-efficiency, making them the preferred choice for grid upgrades, industrial hubs, and renewable energy integration. Trusted steel tower manufacturers like Junjiang design these structures using hot-dip galvanized steel for superior corrosion resistance. Ideal for substation connections and bulk power transfer, they ensure minimal energy loss over 300+ km distances with a 50-year service life – certified by third-party load testing.
| Voltage | 500KV |
| Tower Type | Suspension Tower, Tension Tower, Dead Tower, Substation Structure |
| Height | 10M-100M |
| Circuit | Single / Double Circuit |
| Material | 1.High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60 2.High strength low alloy structural steels: Q355B which is equivalent with ASTM Gr50 or S355JR 3.Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR |
| Welding | AWS D1.1 |
| Surface treatment | Hot dip galvanizing /painting/Powder coating |
| Hot dip galvanization | GB/T 13912-2002, EN ISO 1461,ASTM/A123 or equivalent |
| Welding Standard | AWS D1.1, AS554, AS 4100 standard or equivalent |
| Earthquakeproof Grade | Grade 8 |
| Ice wrapping | 5-10 mm |
| Verticality | 1 / 1000 |
| Working Temperature | - 45°C -+ 45°C |
| Nuts& Bolts | Mainly ISO 898 grade 6.8 and 8.8 bolts for Both Chinese, ISO and DIN standard |
| Working lifespan | 30/50 years |
500 kV transmission towers are essential components in today’s high-voltage power networks. Their applications span a wide range of critical functions in modern grid infrastructure, including:
Long-Distance Power Transmission: 500 kV towers enable efficient energy delivery across hundreds of kilometers, reducing transmission losses and supporting stable grid operations.
Integration of Renewable Energy: These towers facilitate the connection of remote solar, wind, and hydroelectric plants to the main grid, supporting the transition to clean energy.
Urban and Industrial Power Supply: They provide a reliable electricity backbone for densely populated areas and large industrial zones, ensuring continuous and high-capacity supply.
Support for Smart Grid Expansion: By enabling high-voltage connections, 500 kV towers help modern grids incorporate real-time monitoring, automation, and flexible load management.
Modern power systems rely on 500 kV transmission towers to maintain grid stability, scalability, and energy efficiency.
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