Filler material for use in welding of Mg-contained aluminum alloy die-cast members, welding method, and welded article

摘要

An aluminum alloy filler material for use in welding of metal members including at least one aluminum die-cast member containing Mg includes an aluminum or an aluminum alloy as base material and Al-K-F series flux. The Al-K-F series flux is contained by 2 to 4 mass % with respect to the entire filler material.