Welded Joint

Abstract: [Problem] To further improve electrodeposition coatability at a weld bead part. [Solution] A welded joint according to the present invention has a first steel plate, a second steel plate, and a weld bead part formed by means of arc welding or laser welding, wherein: at least one of the first steel plate and the second steel plate has, in a non-heat-affected zone, a plating layer formed from predetermined components and an oxide layer positioned on top of the plating layer; and the weld bead part has a weld metal and a slag layer formed on a partial surface of the weld metal, wherein the slag layer comprises, by mass% when oxygen is excluded, 1.0 to 45.0% of Al, 1.0 to 30.0% of Mg, and the balance Fe, metal elements susceptible to oxidation, and impurities.

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