Tubular steel poles
Material: Hot Roll Steel Q235, Q345, Q420, Q460, ASTM A527 A36, GR50, GR65, ST-37, ST-44, ST-52, S355JR, S355J2G3, SS41, SS50, SS55 and others equivalent steel material Wall thickness :2~30mm Once Forming :16m Once forming without joint Voltage Grade : 10~500KV (10KV, 13.8KV,33KV, 35KV, 66KV, 110KV,132KV, 220KV, 230KV, 330KV, 500KV or Others ) Shape : Conical,…