FERRITIC STAINLESS STEEL SHEET EXCELLENT IN HEAT RESISTANCE AND WORKABILITY AND METHOD OF PRODUCTION OF SAME
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United States of America Patent
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Issued Date -
Jan 23, 2014
app pub date -
Mar 28, 2012
filing date -
Mar 29, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention provides ferritic stainless steel sheet which is excellent in heat resistance at 950° C. and workability at ordinary temperature, that is, ferritic stainless steel sheet excellent in heat resistance and workability which is characterized by containing, by mass %, C: 0.02% or less, N: 0.02% or less, Si: over 0.1 to 1.0%, Mn: 0.5% or less, P: 0.020 to 0.10%, Cr: 13.0 to 20.0%, Nb: 0.5 to 1.0%, Cu: 1.0 to 3.0%, Mo: 1.5 to 3.5%, W: 2.0% or less, B: 0.0001 to 0.0010%, and Al: 0.01 to 1.0% and having a balance of Fe and unavoidable impurities, where Mo+W is made 2.0 to 3.5%.
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