Introduction
High Voltage Power Transmission Towers are steel structures supporting 110kV–1000kV power lines for safe long-distance electricity transmission. They are used in power grids, transmission projects, and industrial electricity distribution.
Parameter
|
Standard Category |
Standard Number |
Standard Name |
Core function |
|
Manufacturing core |
GB/T 2694-2018 |
Technical specifications for the manufacture of power transmission line towers |
The core national standards for materials, manufacturing processes, inspection, and packaging of angle steel towers. |
|
Design Core |
DL/T 5486-2020 |
Technical specifications for the structural design of overhead transmission line towers |
Design, material selection, calculations, and construction requirements for transmission towers. |
|
Construction acceptance |
GB 50233-2014 |
Construction and Acceptance Specifications for 110kV to 750kV Overhead Transmission Lines |
Assembly, bolt tightening, grounding, and other construction requirements. |
|
Material Standards |
GB/T 700-2006 |
Carbon structural steel |
Material standards for main components such as Q235B. |
|
GB/T 1591-2018 |
Low-alloy high-strength structural steel |
Main material standards such as Q355B/Q420 |
|
|
DL/T 284-2012 |
Hot-rolled large-sized equal-angle steel is used for power transmission towers. |
Large-sized angle steel: dimensions, properties, and testing. |
|
|
Corrosion protection standards |
GB/T 13912-2002 |
Technical requirements for hot-dip galvanized coatings on steel components |
Parameters such as hot-dip galvanized coating thickness and adhesion. |
|
Fastener |
GB/T 3098.1-2010 |
Mechanical properties of fasteners: bolts, screws, and studs |
Performance specifications for 4.8/6.8/8.8 grade bolts |
|
DL/T 284-2012 |
Hot-dip galvanized bolts and nuts for power transmission line poles and fittings. |
Galvanizing and mechanical properties of bolts and nuts |
Key Features
High Strength Steel: Q345B/Q420 carbon steel resists high tension, minimizing deformation on long-span transmission lines.
Galvanized Protection: Hot-dip galvanized ≥86 μm meets ISO 1461, providing corrosion resistance for 50–100 years in coastal and humid areas.
Wind Resistance: Supports lateral wind speeds over 30 m/s, suitable for high-wind and exposed transmission lines.
Customization Services
Tower Height Adjustment -Customize tower height to match line voltage, span length, and terrain requirements.
Load Capacity Design -Adjust structural strength to support specific conductor weights and mechanical loads.
Line Type Adaptation -Provide solutions for suspension, tension, and angle towers according to project needs.
Climate-Based Optimization -Design for local wind, ice, and environmental conditions to ensure long-term reliability.
Site-Specific Modifications -Modify base, foundation, and bolt patterns for precise on-site assembly.
Factory Advantages
High Production Capacity -12 automated CNC angle steel production lines ensure stable supply for large-scale projects.
Precision Manufacturing -CNC processing and ±0.5 mm hole accuracy guarantee seamless on-site assembly.
Experienced Engineering Team -Technical support for tower design, customization, and project-specific solutions.
Direct Factory Pricing -Competitive prices by eliminating intermediaries, ideal for large procurement projects.
FAQ
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