VERFAHREN ZUR HERSTELLUNG ZYLINDRISCHER HOHLKÖRPER UND VERWENDUNG DERSELBEN

Production of cylindrical hollow bodies having a circular cross-section comprises forming a tube blank from a remelting ingot; molding to a tubular body by extrusion with a degree of deformation of at least 6 times; and optionally further processing. Preferred Features: The remelting ingot is made f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LICHTENEGGER, GERHARD, SCHNEIDER, REINHOLD, SCHIRNINGER, GUENTER
Format:	Patent
Sprache:	ger
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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