Production of castings containing steel tubes

Details Production of castings containing steel tubes Production of castings containing steel tubes

B - Operations, Transporting

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D

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B22D 19/00 (2006.01) F27D 9/00 (2006.01)

Patent

CA 1196767

ABSTRACT PRODUCTION OF CASTINGS CONTAINING STEEL TUBES The invention provides a method and a set-up for production of castings containing cast-in steel tubes, preferably to provide cooling elements for metallurgical furnaces. The castings are from cast steel and the steel tubes are cast-in with a superheated cast steel melt. Before the casting the tubes are filled with a granular, highly thermal conductive, refractory material . In order to assure that the cast-in steel or respectively cooling tubes remain free from leaks, the invention provides to employ as a filling material one or more of the materials: burned magnesite (sintered magnesite),corundum, sintered aluminum oxide, chromite, silicon carbide, silicon nitride.

408014

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