| 摘要 |
PROBLEM TO BE SOLVED: To provide a flux-cored wire for padding which has a low base material dilution ratio, and obtains a desired weldment metallic composition with a small number of layers.SOLUTION: The flux-cored wire for padding in which flux is filled in a shell is characterized in that in total mass of the flux, when a total content (F conversion value) of an alkali metal fluoride and an alkali earth metal fluoride is A (mass%), and a total content of an alkali metal element and an alkali earth metal element is B (mass%), and a total content of an alkali metal oxide and an alkali earth metal oxide is C (mass%), the numerical expression (I) is satisfied. |
