Large Diameter Electric Fusion Welded (EFW) Stainless Steel Pipes

Ratnamani's EFW Pipe Divison consists of a JCO Forming Press, Helical / Spiral Mill, Inside and Outside Welding System, Heat Treatment Furnace and Testing Facilities.

Welding process employed is GTAW for root-pass and SAW/TIG for final pass with suitable filler wires as prescribed by AWS specifications and ASME Boiler and Pressure Vessel Code, section-IX. These facilities are capable of manufacturing Austenitic and Various Duplex grades.