H1: Custom 9m-12m Octagonal Steel Utility Pole, ASTM A123 Hot Dip Galvanized, 200-800daN Slip Joint for Power Line H2: Product Overview Our Custom 9m-12m Octagonal Steel Utility Pole is designed for power line distribution projects. It is made from Q235B or Q355B steel, with an octagonal cross-section for high wind resistance and structural rigidity. The pole is hot dip galvanized to ASTM A123 for long-term corrosion protection. Its slip joint design allows fast on-site