Processing method for preventing inner surface oxidization of steel pipe during heat treatment

The invention discloses a processing method for preventing inner surface oxidization of a steel pipe during heat treatment. The method is characterized in that wood type combustible materials are placed inside an inner hole of the steel pipe before heat treatment, two ends of the steel pipe are plug...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WU HONG, LIU BO, YI YONG, JIANG JIAN, ZOU YOUFU, FENG QING, GUO YUANRONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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