ASTM A53 8 Inch Corrugated Galvanized Steel Pipe US$470.00-570.00 / Ton ASTM A53/BS1387 Threaded and Coupled Hot Dipped Galvanized Steel Pipe (GI-61) US$470.00-570.00 / Ton BS 1387 ASTM A53 A500 Galvanized Steel Pipe US$470.00-570.00 / Ton...