| 摘要 |
PROBLEM TO BE SOLVED: To provide a ferritic stainless steel that, in use in which a ferritic stainless steel and an austenitic stainless steel are welded together and bulged while a weld bead is included, materializes a weld bead excellent in surface shape after bulged and exhibiting good corrosion resistance.SOLUTION: There is provided the ferritic stainless steel containing, by mass%, C:0.001 to 0.030%, Si:0.01 to 0.25%, Mn:0.01 to 0.50%, P:0.05% or less, S:0.01% or less, Cr:18.0 to 24.0%, Ni:0.01 to less than 0.20%, Mo:0.1 to 3.0%, Al:0.01 to 1.2%, V:0.01 to 0.50%, Cu:less than 0.10%, Nb:0.01 to 0.50%, Ti:0.01 to 0.50%, N:0.001 to 0.030% and the balance Fe with inevitable impurities and satisfying Nb+1.3Ti+0.9 V+0.2Al>0.50 and Si≤10Al.SELECTED DRAWING: Figure 1 |
