| 摘要 |
This austenitic stainless steel sheet contains, in terms of mass%, 0.1% or less of C, 1.0% or less of Si, 1.0% or less of Mn, 0.1% or less of P, 0.005% or less of S, 20.0-37.0% Ni, 18.0-28.0% Cr, 4.0-7.0% Mo, 0.5-2.5% Cu, 0.10-0.40% N, and 0.001-0.10% Al, the remainder comprising Fe and unavoidable impurities, and has a PI value of 44.0-50.0, a GI value of 120.0-150.0, an Md value of less than 0.920, and an Mdc value of less than 0.40, and the area ratio of a σ phase at the center of thickness of the sheet is less than 1.0%. |
