| abstract |
(57) [Problem] To provide a ferritic stainless steel, a ferritic stainless steel ingot, and a method for producing the same, which are excellent in workability and toughness. [Solution] C ≦ 0.1%, N: 0.003-0.05%, Si: 0.03- 1.5%, Mn ≦ 1.0%, P ≦ 0.04%, S ≦ 0.03%, Cr: 10-30 %, Cu ≦ 2%, Ni ≦ 2%, Mo ≦ 3%, V ≦ 1%, Ti: 0.02- 0.5%, O: 0.001 to 0.005%, Nb ≦ 0.8%, Al: 0.001 to 0. 15%, Zr ≦ 0.3%, B ≦ 0.1%, Ca ≦ 0.003%, Mg <0.0005 %, Ti × N ≧ 0.0005, balance is Fe and impurities, Mg and A in steel Inclusion containing Al and Mg with a ratio of l content of 0.3 to 0.5 and Ti Ferrite stainless steel in which composite inclusions are dispersed. |