Suit for:Electricity distribution Shape:Conoid ,Multi-pyramidal , Columniform,polygonal or conical 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- Tolerance of dimension:+- 2% Power:10 KV ~550 KV Safety Factor:Safety factor for conducting wine : 8 Safety factor for grounding wine : 8 Design Load in Kg:300~ 1000 Kg applied to 50cm from the top pole Marks:Nane plate through rivert or glue ,engrave ,emboss as per customer requirement Surface treatment:Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required. Joint of Poles:Insert mode,innerflange mode,face to face joint mode . Design of pole:Against earthquake of 8 grade Wind Speed:160 Km/Hour . 30 m /s Minimum yield strength:355 mpa Minimum ultimate tensile strength:490 mpa Max ultimate tensile strength:620 mpa Standard:ISO 9001 Length of per section:Within 14m once forming without slip joint Welding:We have past flaw testing. Internal and external double welding makes the welding beautiful in shape Welding Standard :AWS ( American Welding Society ) D 1.1