... -pyramidal,Columniform,polygonal or conicalMaterialUsually Q345B/A572,minimum yield strength>=345n/mm2Q235B/A36,minimum yield strength>=235n/mm2As well as Hot rolled ... of poleAgainst earthquake of 8 gradeWind Speed160 Km/Hour .Minimum yield strength355 mpaMinimum ultimate tensile strength490 mpaMax ultimate tensile strength620 mpaStandardISO ...