Ramesh Steel Corporation is the manufacturer of Super Duplex Steel Pipe. Ramesh Steel Corporation is an ISO 9001:2008 certified company. It also offers sheets, plates, tubes & tube fittings, etc. The available grade and standard of Super Duplex Steel Pipe are - UNS S32750 S32760 32750 32760 F55 BS EN10088 Pt 3 1995 2005 X2CrNiMoCuWN25 7 4 1.4501 1.4410 SS 2328 DIN SAF 2207.