MANUFACTURE OF HIGH TENSILE ELECTRIC RESISTANCE WELDED TUBE HAVING EXCELLENT TOUGHNESS OF WELDED PART

PURPOSE:To obtain the extremely fine ferrite structure and to manufacture the high tensile electric resistance welded steel tube having very excellent low temperature toughness by heating the welded part of the electronic resistance welded steel tube to the specific temperature range, then rolling a...

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Bibliographische Detailangaben

1. Verfasser:	OKAGUCHI HIDEJI
Format:	Patent
Sprache:	eng
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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