S32750 super duplex stainless steel, seamless tube and preparation method and application thereof

The invention belongs to the technical field of super duplex stainless steel, and particularly relates to S32750 super duplex stainless steel, a seamless tube and a preparation method and application of the seamless tube. According to the S32750 super duplex stainless steel seamless tube, no harmful...

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Bibliographische Detailangaben
Hauptverfasser:	TU ZHENGPING, WU HONGJIAO, ZHONG QIANG, YU ANHUA, ZHANG YAOYAO, WANG KUN, WANG MAN, QIN XINGWEN, QIAN JIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL 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 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention belongs to the technical field of super duplex stainless steel, and particularly relates to S32750 super duplex stainless steel, a seamless tube and a preparation method and application of the seamless tube. According to the S32750 super duplex stainless steel seamless tube, no harmful phase is separated out in the structure, and the S32750 super duplex stainless steel seamless tube has good low-temperature impact performance and excellent mechanical performance. The preparation method can accurately guide and control formation of no harmful phase in the S32750 super duplex stainless steel seamless tube, and is beneficial to improvement of low-temperature impact toughness and comprehensive use performance of the S32750 super duplex stainless steel seamless tube. The S32750 super duplex stainless steel seamless tube prepared through the method is high in size precision, good in surface quality and beneficial to application and popularization in the fields of ocean engineering, petrochemical engin