MANUFACTURE OF HIGH TENSILE STRENGTH RESISTANCE WELDED STEEL TUBE EXCELLENT IN TOUGHNESS IN WELD ZONE

PURPOSE:To manufacture a high tensile strength resistance welded steel tube excellent in toughness in the weld zone by subjecting the weld zone of a welded steel tube after the completion of welding to rolling under specified conditions, heating it and allowing it to cool. CONSTITUTION:A hoop 1 is c...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	OKAGUCHI HIDEJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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