LAP FILLET ARC-WELDED JOINT

摘要

The lap fillet arc-welded joint (1) pertaining to the present invention is characterized in that two plates (3, 9) are lapped, and the surface of a first plate (vertical wall section (9a) of an upper-side component (9)) and the surface of a second plate (vertical wall section (3a) of a lower-side component (3)) are welded along the end section of the first plate (vertical wall section (9a) of the upper-side component (9)), wherein a curved convex section (5) in the form of a bead protruding to the surface side of the vertical wall section (3a) is provided, and a weld toe section (1a) is provided to the top section of the curved convex section (5).