| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ferritic stainless steel sheet which is excellent in toughness, has excellent corrosion resistance and is excellent in productivity and economical efficiency. <P>SOLUTION: The ferritic stainless steel sheet contains, by mass%, C:≤0.03%, N:≤0.03%, ([%C]+[%N]):≤0.05% (wherein [%X] is an X content in steel), Si:≤0.70%, Mn:≤1.0%, P:≤0.04%, S:≤0.02%, Cr:16-25%, Ni:≤1.0%, Ti:<4×([%C]+[%N])%, Nb:0.15-0.50%, Al:0.005-0.15%, Zr:0.02-0.40%, and the balance being Fe and inevitable impurities; and nitride in the steel sheet is practically ZrN. <P>COPYRIGHT: (C)2012,JPO&INPIT |
