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Disclosed is a welding material for cryogenic steels, which is excellent in resistance to ductility-dip cracking in a reheated zone. The welding material for cryogenic steels contains C of 0.08% or less; Si of 2.0% or less; Mn of 8.0% to 18.0%; Ni of 12.5% to 20.0%; Cr of 10.0% to 14.0%; Mo of 2.0% to 7.0%; N of 0.20% or less; and S of 0.005% or less, in mass percent and further contains iron and inevitable impurities, in which the welding material further contains at least one rare-earth element (REM) of 0.001% to 0.1% in mass percent.