FIELD: metallurgy, particular, designs of molds for continuous casting of hollow castings including those of copper, aluminum and their alloys. SUBSTANCE: the offered device has cylindrical mold with stepped hollow and isolated channels round hollow delivering melt, outer cooler, hollow mandrel secured in mold hollow with a gap, gas permeable core located in mandrel with a gap and provided with supporting-securing members and a system of channels delivering cooling agent into hollow of mandrel and located in walls of channels delivering melt. EFFECT: higher efficiency. 3 dwg
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