| 摘要 |
<p>Provided is a ferritic stainless steel exhibiting excellent corrosion resistance in weld sections. The ferritic stainless steel is characterized by: comprising in mass% 0.003 0.014% of C 0.005 0.016% of N a total of 0.023% or less of C%+N% 0.01 0.90% of Si 0.01 0.50% of Mn 0.020 0.040% of P 0.008% or less of S 0.001 0.090% of Al 14.5 23.0% of Cr 0.10 0.60% of Ni and 0.010 0.040% of V; comprising Ti or Ti and Nb in a range in which the content of Ti is 0.15 0.34 mass% Ti%+Nb%=0.70 and V%/(Ti%+0.5×Nb%) is 0.05 0.20 and/or comprising Nb or Nb and Ti in a range in which the content of Nb is 0.35 0.60 mass% Ti%+Nb%=0.70 and V%/(Ti%+0.5×Nb%) is 0.05 0.20; and the remainder comprising Fe and unavoidable impurities.</p> |
