Martensitic precipitation hardening high-strength steel seamless steel tube and production method

The invention discloses a martensitic precipitation hardening high-strength steel seamless steel pipe and a production method, and a martensitic precipitation hardening high-strength steel seamless steel pipe production device, and relates to the technical field of industrial equipment production, t...

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Bibliographische Detailangaben
Hauptverfasser:	WANG JINYONG, HAN HENGLI, FEI ZHIWEI, LIU FUQIANG, CAO HONGBO, QI XILUN, GAO JIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FORGE FURNACES FORGING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HAMMERING 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 PRESSING METAL PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL PUNCHING METAL RIVETING TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The invention discloses a martensitic precipitation hardening high-strength steel seamless steel pipe and a production method, and a martensitic precipitation hardening high-strength steel seamless steel pipe production device, and relates to the technical field of industrial equipment production, the martensitic precipitation hardening high-strength steel seamless steel pipe production device comprises a horizontal extruder, the horizontal extruder comprises a die holder, and an extrusion die and a die support are arranged in the die holder; an extrusion barrel lining is arranged on one side of the extrusion die, an extrusion barrel middle layer is arranged on the outer side of the extrusion barrel lining, an extrusion barrel outer sleeve is arranged outside the extrusion barrel middle layer, and a core rod is arranged on the inner side of the extrusion barrel outer sleeve. The mechanical property of the seamless steel tube is improved, the quality problem of the process in the prior art is solved, and the m