Power transmission pole Stamdard :familiar with American ,Austrila,Europen standard . Hot dip galvanized to ASTM Polygonaly and round electrical power transmission poleSpecification: TypeStraight Pole ,Tensile Pole ,Turn PoleSuit forElectricity distributionShapeConoid ,Multi-pyramidal,Columniform,polygonal or conicalMaterialUsually Q345B/A572,minimum yield strength>=345n/mm2Q235B/A36,minimum ...