This article summarizes some experience in the construction of water-cooled plant parts for the modern electric arc furnace. Causes of failure and solution possibilities described are often recurring factors. Due to the multitude of influencing factors with regard to the lifetime of components, it is of prime importance to examine the causes of failure of each individual case. The constructional layout of the cooling areas is to be optimized with due regard to some general construction recommendations as well as the specific factors of influence, production procedure and materials used for the particular furnace.
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