Customized Height Outdoor Steel Tubular Pole, Power Pole, Electrical Pole Steel Yield Strength(MPa) standard Standard Title Metallic element Content main ingredient Q345 345 for Thickness= 345n/mm2 Q235B/A36, Minimum yield strength >= 235n/mm2 Other materials may be used as per request (Q460, ASTM573 GR65, GR50, SS400, SS490, to ST52) Tolerance of Dimensions +- 1% Power 11kv ,13kv, 15kv ,33kv Safety Factor Safety factor for wire: 5 Safety factor for wire: 5 Design Load in Kg