HOT-EXTRACT METHOD FOR HOLLOW INCONEL-BILLET BY CENTRIFUGAL CASTING

The present invention relates to a method for hot-extruding a hollow Inconel billet by centrifugal casting and, more specifically, to a method for hot-extruding a hollow Inconel billet by centrifugal casting, which comprises: a billet manufacturing step of manufacturing a hollow billet; a surface pr...

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Bibliographische Detailangaben
Hauptverfasser:	KANG, BYUNG KI, KANG, HYUN KI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS POWDER METALLURGY PUNCHING METAL TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method for hot-extruding a hollow Inconel billet by centrifugal casting and, more specifically, to a method for hot-extruding a hollow Inconel billet by centrifugal casting, which comprises: a billet manufacturing step of manufacturing a hollow billet; a surface processing step of removing impurities from the inner and the outer surface of the billet by grinding the inner and the outer surface of the billet; a heating step of heating the billet which passed through the surface processing step; an extruding step of extrusion-molding the heated billet; a cutting step of cutting the extruded billet at an appropriate size. Therefore, according to the present invention, the method for hot-extruding a hollow Inconel billet by centrifugal casting is capable of manufacturing a pipe without a pipe expanding process required to manufacture the pipe using an ordinary billet, so a process for the hollow Inconel billet can be simplified to improve operation efficiency and to reduce manufacturing costs.