Method for preparing N80 steel-grade expansion tubes for petroleum and natural gas exploitation

Bibliographische Detailangaben

Hauptverfasser:	SHANG CHENGJIA, HE FEI, REN YONGQIANG, WANG XUEMIN, TANG CUNJIANG, XIE ZHENJIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS
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