| 摘要 |
PROBLEM TO BE SOLVED: To provide a ferritic stainless steel excellent in removability of an oxide film formed on a surface of the steel material.SOLUTION: There is provided a ferritic stainless steel having a component composition of, by mass%, C:0.001 to 0.030%, Si:0.03 to 0.30%, Mn:over 0.30% to 2.00%, P:0.05% or less, S:0.005% or less, Cr:over 22.0% to 28.0%, Ni:0.01% or more and less than 0.30%, Mo:0.2 to 3.0%, Al:0.01 to 0.15%, Ti:over 0.30% to 0.80%, Nb:less than 0.05%, V:0.001 to 0.080%, N:0.001 to 0.030%, and the balance Fe with inevitable impurities and TiN having a particle diameter of 1μm or more which disperses on a steel surface at a density of 30/mmor more. |
