Indian Tube Company manufactures Hot Dipped Galvanized Electric Resistance Welding -ERW Tubes. Indian Tube Company also manufactures and exports various types of Valves, Pipes/Tubes, Flanges, Fittings and other accessories. The Hot Dipped Galvanized Electric Resistance Welding -ERW Tubes are used in structural applications. The Dipped Galvanized Electric Resistance Welding -ERW Tubes are covered by a layer of zinc. The Hot Dipped Galvanized Electric Resistance Welding -ERW Tubes are resistant to wind, water and road salts attack. The Hot Dipped Galvanized Electric Resistance Welding -ERW Tubes are available in various size and shapes. These tubes are available in size ranging from 1/4" NB to 6" NB.