Patent ID: 9157137
Filing Date: 2015-10-13
Classification: C21D,C22C

Abstract:
1. A ferritic stainless steel having a chemical composition containing, by mass %, C: 0.015% or less, Si: 0.40% or more and 1.00% or less, Mn: 1.00% or less, P: 0.040% or less, S: 0.010% or less, Cr: 15.3% or more and 23.0% or less, N: 0.015% or less, Nb: 0.30% or more and 0.65% or less, Ti: 0.150% or less, Mo: 0.10% or less, W: 0.10% or less, Cu: less than 1.00%, Al: 0.20% or more and 1.00% or less, while the relationship mass % of Si mass % of Al is satisfied, and the balance being Fe and inevitable impurities.