| 摘要 |
Provided is a ferritic stainless steel which: as a component composition for the steel, contains, in mass%, C in the amount of 0.003-0.020%, Si in the amount of 0.05-1.00%, Mn in the amount of 0.10-0.50%, P in the amount of 0.04% or less, S in the amount of 0.01% or less, Cr in the amount of 16.0-25.0%, Ni in the amount of 0.05-0.60%, Nb in the amount of 0.25-0.45%, Al in the amount of 0.005-0.15%, and N in the amount of 0.005-0.030%; contains one or more types selected from among Mo in the amount of 0.50-2.50% and Cu in the amount of 0.05-0.80%; has Fe and inevitable impurities constituting the remainder; and exhibits excellent corrosion resistance, and favorable brazing properties when brazing at a high-temperature using an Ni-containing brazing filler material, by generating a concentrated nitrogen layer extending from the surface to a depth of 0.05μm and having a nitrogen concentration peak value of 0.03-0.30 mass%. |
