Abstract

The role of mould fluxes in continuous casting is reviewed. The main functions of the flux are described and the importance of the flux in providing lubrication and the right level of heat transfer between the shell and the mould is described. The major problems of longitudinal, transverse and star cracking, gas and slag entrapment and deep oscillation marks in the steel product and 'sticker breakouts' are analysed. The important physical properties of the flux in combating these various problems are identified. Physical property data for the fluxes are given.

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