Abstract

The authors investigate the properties of gunite masses based on Arkalyk clays with regard to service conditions in steel-teeming ladles used in open-hearth manufacture of steel. The optimal composition of the mass is as follows: 90% chamotte, 10% clay, and 10% binder (above 100%). Industrial tests have been performed on a mass for guniting 230-ton steel-teeming ladles of the MMC. The durability of a gunite layer 30–35 mm thick is about 6 pourings. The results confirm that Arkalyk clay is a promising material for making gunite masses.

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