Electrical Angular Steel Tower
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A transmission line tower, also known as an electrical pylon, is a tall structure that supports an overhead power line. Typically, it is a steel lattice tower, though modern designs may also incorporate latticed steel poles to achieve similar strength and durability with optimized aesthetics. Transmission towers in electrical grids carry high-voltage transmission lines that move bulk electric power from generating stations to electrical substations, where it is delivered to end users. Transmission towers fall into four categories: suspension towers, tension towers, dead-end terminal towers, and transposition towers.
Electrical Angular Steel Tower Specification
Voltage
10kV to 1100kV
Shape of steel
Angular / tubular steel
Lattice Type
3/4 legs lattice
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 S235JRWelding
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
Electrical Angular Steel Tower Features
Our electrical angular tower can be made of angular steel, steel pipe or both. We design the towers to be high safety with high Material utilization so as yo control the cost. And the raw materials are from the trusted steel suppliers which we’ve been collaborating with for decades. In the stage of welding, CO₂ welding and submerged arc auto welding are adopted in our fabrication process. Both Factory test report and type test are available if required.
Our Electrical Steel Towers Advantages
1. We use the latest software: PLS and MS Tower, STW, SAP2000, TWsolid, SLCAD, AutoCAD,
2. Design codes available:
1) Chinese National Standard:
a.For Tower and Pole Structures of Overhead Transmission Line: DL/T 5154-2002 Technical Regulation of Design
b. For foundation of Overhead Transmission Line: 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
3. We can offer required tower test: loading test, type test and others as per request and all tests are conducted by Government authority.
4. Quality control: Following ISO 9001 system and strictly QC inspection for raw material, trail assembly test before mass production, dimension verification, galvanization test and issuing factory report before shipment for the both quantity and quality.
Transmission Line Tower Processing
We are equipped with the leading CNC angular steel production line and CNC plate processing line which is introduced, also with other 200 sets of fabrication equipment,to assure the proper manufacturing and quality of steel tower in China projects.