220kv hot dip galvanized tension pole

220kv hot dip galvanized tension pole Suit for：Steel Power Pole 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 tolerance of dimenstion：±2% Power：10KV-550KV safety factor：support wind speed 160 Km/Hour 30 m /s design capacity load：300~ 1000 Kg Surface treatment：Hot dip galvanized Following ASTM A 123, color polyester power or any other standard by client required Joint of Poles：Insert mode,inner flange mode,face to face joint mode Design of pole：Against earthquake of 8 grade Minimum yield strength：355 Mpa Minimum ultimate tensile strength：490 Mpa Max ultimate tensile strength：620 Mpa Length of per section：Within 14m once forming without slip joint Welding：We has past flaw testing.Internal and external double welding makes the welding beautiful in shape…