METHOD FOR REPARING GAS PIPELINES WITH STRESS-COROSION CRACKS

FIELD: technological processes. ^ SUBSTANCE: after preliminary cleaning of defective part of surface of pipe by an abrasive wheel, the edges of the cracks are determined using penetrant flaw detection method and the defective part is then melted by an unsmeltable tungsten electrode. The process of m...

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Hauptverfasser:	SIVOKON' VIKTOR NIKOLAEVICH, BARANOV NIKOLAJ ANATOL'EVICH, EHFROS SERGEJ DAVIDOVICH, SIDORENKO GENNADIJ STANISLAVOVICH, ISTOMIN ALEKSANDR GEORGIEVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINE TOOLS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS PIPES SOLDERING OR UNSOLDERING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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