Nicrfe Alloy Material

Abstract: Provided is an NiCrFe alloy material that exhibits an excellent corrosion resistance and an excellent weldability. The NiCrFe alloy material according to the present disclosure contains, expressed as mass%, C : 0.002 to 0.030%, Si : 0.05 to 0.50%, Mn : 0.10 to 1.50%, P : not more than 0.050%, S : not more than 0.0200%, Ni : 29.0 to 40.0%, Cr : 24.00 to 30.00%, Mo : 5.0 to 7.5%, N : 0.20 to 0.40%, Al : not more than 0.50%, Ca : 0.0002 to 0.0040%, and B : 0.0001 to 0.0050%, with the balance being Fe and impurities, and has a chemical composition that satisfies formula (1). (1): 0.0 < 8.5 × Mn + 19.5 × Ni - 12.43 × Cr - 42.4 × Mo - 10250 × Ca + 1250 × B - 74.3776 < 6.5 The contents of the corresponding elements in mass% are substituted for the element symbols in formula (1).

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