| 摘要 |
PROBLEM TO BE SOLVED: To provide a high corrosion resistant two-phase stainless steel having excellent hot-workability in spite of high content of N. SOLUTION: This two-phase stainless steel excellent in the hot-workability, contains, by mass,≤0.03% C, 0.1-2.0% Si, 0.1-2.0% Mn,≤0.05% P,≤0.03% S, 20-30% Cr, 1-11% Ni, 0.05-3.0% Cu, 0.005-0.5% Nd, 0.001-0.1% sol.Al, 0.1-0.5% N and one or both of 0.5-6% Mo and 1-10% W and the balance Fe with impurities. This steel may further contain, one or more kinds among, by mass, 0.0005-0.05% B, 0.0005-0.05% Ca, 0.0005-0.5% Mg and 0.0005-0.1% REM except Nd. COPYRIGHT: (C)2007,JPO&INPIT
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