Method for manufacturing high-strength X80 steel spiral welded pipe

The invention discloses a method for manufacturing a high-strength (X 80) steel spiral weld pipe. The weld pipe adopts a parent metal of X 80 rolled steel plate, and the chemical compositions of weld pipe are: 0.02 to 0.09 percent of C, 0.10 to 0.42 percent of Si, 1.50 to 1.85 percent of Mn, less th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TIAN PENG, SHEN LIQUN, WANG XIAOXIANG, WANG XU, GAO JUNXING, HOU YONGGAO, WANG CHEN, WANG QINGGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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