FeCrAl ALLOY WELD WIRE AND WELD STRUCTURE PREPARED USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a weld structure for a heat resistant component having excellent toughness and Cr evaporation resistance.SOLUTION: An FeCrAl alloy weld wire comprises, in mass%, C: 0.02% or less, Si: 0.5% or less, Mn: 1.0% or less, P: 0.04% or less, S: 0.005% or less, Ni: 0.5% or less, Cr: 15-20%, N: 0.03% or less, Nb and Ti: 0.1-0.5% in the total of one or both of them, and Al: 1.5 to less than 3.5%, with the balance being Fe and inevitable impurities.