Definitions for "Descaling"
Keywords:  pickled, blasting, oxide, hot, scale
A condition in which a fish has lost a certain percentage of scales.
A process in which oxide (scale), formed on steel when it is at high temperature in an oxidising environment, is removed from the steel surface. Primary scale is usually removed in the first stage of a hot working operation using high pressure water jets whereas secondary scale is usually removed by hot acid pickling or by shot blasting.
Operation to remove the superficial oxide layer of the billet while hot, with a high pressure jet of air or water.