Procedure for producing coil-forming tubes in an inert enviroment

A procedure for producing coil-forming tubes, in which the tubes are heated to a temperature of 1,000 DEG -1,100 DEG C., particularly to 1,050 DEG C. and then bent at temperatures of more than 850 DEG C. The method proceeds in such a way that the tubes are flushed with N2 or an N2 atmosphere is main...

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Bibliographische Detailangaben
Hauptverfasser:	REITER, KARL, KOECK, NOBERT, WAHN, RAINER
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A procedure for producing coil-forming tubes, in which the tubes are heated to a temperature of 1,000 DEG -1,100 DEG C., particularly to 1,050 DEG C. and then bent at temperatures of more than 850 DEG C. The method proceeds in such a way that the tubes are flushed with N2 or an N2 atmosphere is maintained during the heating and during the bending process, in order to increase the service life of such tubes.