| 摘要 |
PROBLEM TO BE SOLVED: To provide a ferrite-austnite 2-phase stainless steel plate having low in-plane anisotropy and a method for producing the same.SOLUTION: A ferrite-austenite 2-phase stainless steel plate is composed of mass of 0.001-0.10% C, 0.01-1.0% Si, 2.0-10.0% Mn, ≤0.05% P, 0.1-3.0% Ni, 15.0-30.0% Cr, 0.05-0.30% N, with the balance being composed of Fe and inevitable impurities, and has, in the microscopic phase, 40-90% the austnite phase and ≤10 the maximum strength in the crystal orientation of the ferrite phase and ≥1.1 the hardness ratio of the austenite phase to the ferrite phase. |
