132kv Power Steel Transmission Poles

132kv Power Steel Transmission Pole is an important steel structure equipment used to support high-voltage transmission lines. Its main function is to support the wires in the transmission lines, keep them above a safe distance, prevent the wires from contacting the ground or other objects, and ensure the normal operation of the lines.

High strength structure
High strength steel such as Q345B/A572 or ASTM A572 (yield strength ≥ 345MPa) is used, and Q460 steel (yield strength 460MPa) is used in some special scenarios. The force distribution is optimized through tapered variable cross-section design (taper 1:75 to 1:150), significantly improving the bending stiffness.
Strong disaster resistance capability

• The wind resistance capacity reaches 160km/h (about 44.4m/s), and the earthquake resistance level is 8.
• The actual measurement of coastal projects shows that the collapse rate of concrete poles is reduced by more than 70% compared to traditional ones.
  
• Can withstand 10-20mm icing load, with an impact energy of ≥ 34J (tested at -20 ℃) in low-temperature environments, avoiding the risk of brittle fracture.

Section optimization
The mainstream adopts a twelve sided or sixteen sided polygonal cross-section (with a few being octagonal or conical), balancing the force performance and processing difficulty. The mechanical properties of the circular cross-section are optimal, and the material utilization rate is increased by 20% -30%.

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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