Ifgl refractories limited ensures sub-entry nozzle/shroud. This is an iso 9001-2000 accredited company. Sub-entry nozzle/ shroud are used to control flow of liquid steel from "tundish to mould". It prevents re-oxidation of steel between the tundish and the mould. Submerged entry nozzles / shrouds are manufactured in alumina carbon [al2o3-c] quality and it is isostatically pressed. This special protective coating is applied to provide oxidation resistance and decarburization.
