US 11,986,902 B2
Welded product and method of producing welded product
Hiroki Jimbo, Tokyo (JP); and Tatsumasa Hidaka, Tokyo (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP)
Filed on Feb. 23, 2023, as Appl. No. 18/173,089.
Claims priority of application No. 202210298257.4 (CN), filed on Mar. 24, 2022.
Prior Publication US 2023/0302570 A1, Sep. 28, 2023
Int. Cl. B23K 25/00 (2006.01); B23K 35/30 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); B23K 103/04 (2006.01)
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
OG exemplary drawing
 
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.