Patent ID: 8062584

Claim:
Ferritic stainless steel sheet containing, by mass %, C: 0.01% or less, N: 0.02% or less, Si: 0.05 to 1%, Mn: 0.8 to 2%, Cr: 13.2 to 19%, Mo: 0.1 to 1%, Cu: 1 to 2%, Nb: 0.51 to 0.7%, Ti: 0.01 to 0.3%, and B: 0.0002 to 0.0050%, having a balance of Fe and unavoidable impurities, and having a 0.2% yield strength at 750° C. of 70 MPa or more and an elongation at break of the steel sheet at ordinary temperature of 30% or more.