4 Legs Angle Galvanized Steel Power
Voltage: 33kv, 66kv, 110kv, 115kv, 132kv, 220kv, 320kv, 500kv,750kv
Material: Q235, Q355, Q420
Welding: AWS D1.1
Hot Dip Galvanizing: ASTM A123
Quality Control: ISO9001:2008
Application: Electric Power Transmission Line
4 Legs Angle Galvanized Steel Power refers to a self-supporting lattice tower primarily made of angle steel, treated with hot-dip galvanizing for corrosion resistance, and equipped with four supporting legs. It is mainly used for signal transmission support of high-voltage transmission lines or large communication base stations.
Technical specifications
| Description | Detailed Specification and Major design Parameters |
| Design Code | 1. Chinese National Standard:a. DL/T 5154-2002 Technical Regulation of Design For Tower and Pole Structures of Overhead Transmission Line
b. DL/T 5219-2005 Technical Regulation for Designing Foundation of Overhead Transmission Line 2. American Standard: a. ASCE 10-97-2000 Design of Latticed Steel Transmission Structures b. ACI 318-02 Building Code Requirement for Structure Concrete |
| Design Software | PLS and MS Tower, SAP2000, AutoCAD, STW, TWsolid, SLCAD etc |
| Design Loading | As per requirement and specification by Clients worldwide. |
| Voltage | 33KV, 66/69KV, 110KV, 220KV/230KV, 330KV, 380/400KV, 500KV, 750KV Transmission Line |
| Hot-dip galvanization | ISO 1461-2009, ASTM A123 |
| Steel Grade |
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 |
| Bolts and Nuts | Mainly ISO 898 grade 6.8 and 8.8 bolts for Both Chinese, ISO and DIN standard |
| Warranty | Tower structures: 10 years |
| Service Life | 50 Years |
| Transportation | We are very close to the biggest port in the world which is our advantage for sea transportation. |
| Quality Control | Follow ISO 9001 system and strictly QC inspection for raw material, prototype assembly test, galvanization test and pre-shipment inspection for the both quantity and qualityWe treat the quality first and 100% inspection ratio. |
The tower body is composed of a grid like structure made of angle steel, which has the characteristics of high strength, relatively light weight, and low wind resistance. It relies on its own structural stability and does not require cable fixation.
Product quality
To ensure product quality, we start with the procurement of raw materials. For the raw materials, angle steel, and steel pipes required for product processing, our factory purchases products from reliable large-scale factories across the country. Our factory also needs to inspect the quality of raw materials to ensure that they meet national standards and have original factory certificates and inspection reports.
Each process strictly follows the ISO9001 quality management system, from cutting, welding, heat treatment to surface anti-corrosion, and is inspected item by item by a professional quality inspection team according to standards throughout the entire process.
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