FERRITIC STAINLESS STEEL
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Aug 4, 2011
filing date -
Aug 6, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A ferritic stainless steel that generates only a small amount of black spots in weld zone, the steel containing, in mass %, 0.020% or less of C, 0.025% or less of N, 1.0% or less of Si, 1.0% or less of Mn, 0.035% or less of P, 0.01% or less of S, 16.0 to 25.0% of Cr, 0.12% or less of Al, 0.05 to 0.35% of Ti, and 0.0015% or less of Ca, and the balance consisting of Fe and unavoidable impurities, wherein the following formula 1 is satisfied.
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