Nautic Steels Ltd. One of the world’s most respected and leading manufacturers of pipe fittings and flanges. Specialists in a wide range of materials used in marine and offshore hazardous environments such as Copper Nickel 90/10 and 70/30, austenitic stainless steels, 6Mo, Duplex, super duplex and all Nickel alloys. We manufacture and stock a full range of capillary, compression, socket weld and butt weld fittings and flanges.