Tubular steel poles
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, Round, Polygonal (Octagonal, Dodecagonal, Hexadecagonal, etc)
Welding complies with AWS D1.1 standard.
CO2 welding or submerged arc auto methods
No fissure, scar, overlap, layer or other defects
Internal and external welding makes the pole more beautiful in shape
If customers need any other requirements of welding, we also can make adjustment ad your request
Joint : Joint with insert mode, flange mode.
Base plate is square/round/Polygon with slotted holes for anchor bolt and dimension as per client’s requirement.
Galvanization: Hot dip galvanization in accordance with Chinese standard GB/T 13912-2002 and American standard ASTM A123.
Raw material test → Cutting →Molding or bending →Welding (longitudinal )→Dimension verify →Flange welding →Hole drilling →Calibration → Deburr →Galvanization or powder coating ,painting →Recalibration →Thread →Packages