ERW Steel Tubes For Water Gas And Sewage
Size Ranges : NB 168.3 mm(Min) to 273.1 mm(Max)
Grade : Yst 275,330 & 410
Specification Code : IS-3589:2001
Advantages :

  1. As only the edges are heated ,the tube possesses dean accurate surface
  2. Electric resistance welding can make tubes in sizes upto 0.4 metre diameter
  3. Major factor is economy & especially in low pressure application