| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a stainless steel sheet producible highly efficiently at low cost and having excellent corrosion resistance in a welded part, and to provide a method for manufacturing the same. <P>SOLUTION: The stainless steel has a composition containing, by mass%, 0.01 to 0.03% C, 0.01 to 0.03% Ni, 0.01 to 0.40% Si, 1.5 to 2.5% Mn, 0.04% or less P, 0.02% or less S, 0.05 to 0.15% Al, 10-13% Cr, 0.5 to 1.0% Ni and 4×(C+N) or above and 0.3% or below Ti, regulating V to 0.05% or less, Ca to 0.0030% or less and O to 0.0080% or less, and further satisfying that F value represented by Cr+2×Si+4×Ti-2×Ni-Mn-30×(C+N) is 11 or less and that FFV value represented by Cr+3×Si+16×Ti+Mo+2×Al-2×Mn-4×(Ni+Cu)-40×(C+N)+20×V is 9.0 or less, and the balance Fe with inevitable impurities. <P>COPYRIGHT: (C)2012,JPO&INPIT |
