Ferritic stainless steel and method for producing same

Disclosed in the present specification are: a ferritic stainless steel in which elongation can be improved even without cover annealing; and a method for producing the ferritic stainless steel. The ferritic stainless steel according to one embodiment of the present invention comprises, by weight%, at least one of the components, the ferritic stainless steel may contain 0.01% or more and 0.1% or less of C, 0.01% or more and 1.0% or less of Si, 0.01% or more and 1.5% or less of Mn, more than 0% and 0.05% or less of P, more than 0% and 0.005% or less of S, 13.0% or more and 18.0% or less of Cr, 0.005% or more and 0.1% or less of N, 0.005% or more and 0.2% or less of Al, 0.05% or more and 0.25% or less of Ni, with the balance being iron (Fe) and other unavoidable impurities. 本说明书中公开一种在省略罩式退火的情况下也能提高伸长率的铁素体系不锈钢及其制造方法。根据本发明的一个实施方案的铁素体系不锈钢中，以重量％计，所述铁素体系不锈钢可以包含：C：0.01％以上且0.1％以下、Si：0.01％以上且1.0％以下、Mn：0.01％以上且1.5％以下、P：超过0％且0.05％以下、S：超过0％且0.005％以下、Cr：13.0％以上且18.0％以下、N：0.005％以上且0.1％以下、Al：0.005％以上且0.2％以下、Ni：0.05％以上且0.25％以下