1¡¢ERW Steel Pipe: OD 1/2 ¨C 24 inch (21.3-610mm)
2¡¢SSAW Steel Pipe: OD 8 ¨C 120 inch (219.1-3048mm)
3¡¢Galvanized Steel Pipe: OD 1/2- 24 inch (21.3-610mm)
4¡¢LSAW Steel Pipe: OD 8 ¨C 72 inch (219.1-1820mm)
5¡¢Seamless Steel Pipe: OD 1/8 ¨C 30 inch (10.3-762mm)