| 摘要 |
PROBLEM TO BE SOLVED: To provide joint material for welding, capable of preventing generation of cracks of an aluminum alloy part during welding, in the joint material for welding different material comprising aluminum alloy and steel or stainless steel.SOLUTION: In joint material for welding in which a layer 1 of aluminum alloy having a step is disposed at an outermost end on at least one side, a content of an Fe component in the aluminum alloy is set to be 0.18 wt.% or less, and a content of a Mn component is set to be 0.63 wt.% or less.SELECTED DRAWING: Figure 1 |
