10KV-500KV power transmission line Lattice tower
Material
Usually Q345B/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-

Surface treatment
Hot DIP galvanized Following ASTM A 123, color polyester power or any other standard by client required.