Ferritic stainless steel sheet and method for manufacturing the same

Abstract

The present invention provides a ferritic stainless steel sheet and a method for manufacturing the same. A ferritic stainless steel sheet has a composition containing C: 0.001 to 0.020%, Si: 0.05 to 0.35%, Mn: 0.05 to 1.00%, P: 0.04% or less, S: 0.01% or less, Al: 0.001 to 0.300%, Cr: 10.0 to 13.0%, Ni: 0.75 to 1.50%, Ti: 0.05 to 0.35%, and N: 0.001 to 0.020%, with the balance being Fe and inevitable impurities, in which γI [AD] represented by formula (1) below is 65% or more, and a metal structure has an average crystal grain size of 45 μm or less: γI [%]=24Ni+12Mn+6Cu−18Si−12Cr−12Mo+188 (1), where Ni, Mn, Cu, Si, Cr, and Mo represent contents of the respective elements (percent by mass), and an element not contained represents 0.

Dependencies are inferred from the claim text.