Power transmission towers Specicifation: 
10KV-1000KV power transmission line Lattice tower 
Material 
Usually Q355B/A572, minimum yield strength>=345n/mm2 
Q235B/A36, minimum yield strength>=235n/mm2 
As well as Hot rolled coil from Q460, ASTM573 GR65, GR50, SS400, SS490, to ST52- 

1. ISO,CE and AWS Certificate 
2.23years production experience 
3. Material: Q235, Q355, Q420 etc.
4. Hot DIP galvanization 
5. OEM is welcome 
6. High quality with reasonable price 
7. Can produce various height and structural tower 
8. Monthly production capacity can reach 10000 Metric tons 

Performance Standard 
Besides conforms to the drawing and design, the materials and fabrication of tower components shall conform to the following standards (Chinese Standards) and customer's requirements. 
4. Steel pipe tower welded requirements 
1 )we used CO2 welding and submerged arc auto welding or other methods. 
2 )Welded seam shall be full penetration and grinded. 
3 )The welded product has no fissure, scar, overlap, layer or other defects. 
5. Steel tower Galvanization 
All steel items, bolts, nuts, washers & other components to be hot -DIP galvanized with uniform. As per (ASTM-A-123).