Umbilical fluid line and umbilical

A component of a fluid line for a Subsea power umbilical (2) comprises a metal tube (4) having a semiconducting coating (10). An integrated subsea power umbilical (2) including a fluid line comprises at least one said component. A method of manufacturing a component of a fluid line for a power umbilical comprises providing a length of metal tube (4) and extruding a coating (10) onto the metal tube, the coating (10) being made to be semiconducting. A component of a fluid line for a subsea power umbilical 1 comprises a metal tube 4 having a semiconducting coating 10. In other embodiments, there is provide a loaded reel for use in manufacturing the integrated power umbilical. In other embodiments, there is provided a method of manufacturing a component of a fluid line for a power umbilical, comprising providing a length of metal tube 4 and extruding a coating 10 onto the metal tube, the coating 10 being semiconducting. Optionally, the metal tube is formed from a ferrous metal or steel. Optionally, the semiconductor coating material is an organic semiconductor coating, comprising polyethylene or polypropylene doped with a suitable conducting material, which can be carbon. Optionally, the coating is formed over the external surface of the metal tube by extrusion. Optionally, there is provided a grounding conductor to provide the semiconductor coating with a grounding path. Optionally, the coating material has a resistivity in the range 0.01-100.0 Ω.m.