CPC B23K 25/00 (2013.01) [C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); B23K 35/3073 (2013.01); B23K 2103/04 (2018.08)] | 4 Claims |
1. A welded product comprising: a plurality of steel members; and one or two or more welds with which the plurality of steel members are welded together,
at least one of the welds having a surface containing slag,
the slag having a Si content of 14% by mass or less and having a mass ratio of Si to Mn of 0.25 or less, as well as having a dendrite structure in which a Si-rich phase and a Mn-rich phase are present,
the mass ratio of Si to Mn in the Si-rich phase being 0.13 or more and 0.31 or less,
the mass ratio of Si to Mn in the Mn-rich phase being 0.01 or more and 0:07 or less.
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