Process for producing welded joint, and welded joint

Provided is a process for producing a welded joint provided with a weld metal which exhibits high strength and toughness and which has few blowholes. One embodiment of the present invention is a process for producing a welded joint which comprises: a step of preparing a base metal containing at leas...

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Bibliographic Details
Main Authors AMAYA, HISASHI, YAMADA, KENTA, HAMADA, MASAHIKO, TAKABE, HIDEKI, MOTOYA, DAISUKE, NAKATSUKA, SHINJIRO
Format Patent
LanguageEnglish
Published 02.04.2015
Subjects
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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Summary:Provided is a process for producing a welded joint provided with a weld metal which exhibits high strength and toughness and which has few blowholes. One embodiment of the present invention is a process for producing a welded joint which comprises: a step of preparing a base metal containing at least 10.5% by mass of Cr; and a step of subjecting the base metal to GMA welding using a shielding gas that contains either 1 to 2vol% or 35 to 50vol% of CO
Bibliography:Application Number: AU20130241368