| 摘要 |
PROBLEM TO BE SOLVED: To provide a ferritic stainless steel that is excellent in surface quality, corrosion resistivity and acid cleaning property of a weld zone.SOLUTION: A ferritic stainless steel contains C:0.010 mass% or less, Si:0.15 to 0.60 mass%, Mn:0.5 mass% or less, P:0.04 mass% or less, S:0.01 mass% or less, Al:0.2 mass% or less, Cr:17.0 to 19.0 mass%, Cu:0.3 to 0.5 mass%, Ni:0.6 mass% or less, Ti:0.10 to 0.20 mass%, N:0.015 mass% or less, C+N:0.02 mass% or less, balance Fe and inevitable impurities and satisfies following Formula (1): Ti%/(C%+N%)≥8, where C%, N%, Ti% are contents (mass%) of C, N, Ti respectively. |
