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Tundish Nozzle is an isostatically pressed Alumina-Graphite refractory which is intermediate between the Monoblock Stopper and the Sub Entry Shroud. The stopper sits on the Tundish Nozzle to close the flow of steel from tundish to the mould. The tundish nozzle as a part of continuous casting refractories was introduced in order to accommodate hot changing of Sub Entry Shroud for long sequence casting.