Flux cored wire with superior cracking resistant property for welding ferrite stainless steel
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United States of America Patent
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Apr 15, 2003
Grant Date -
Oct 18, 2001
app pub date -
Mar 15, 2001
filing date -
Mar 20, 2000
priority date (Note) -
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Abstract
A flux cored wire for welding a ferrite stainless steel is disclosed. The flux cored wire includes in weight %, 0.04% or less of C, 0.1.about.1.0% of Si, 0.1.about.1.0% of Mn, 0.02% or less of P, 0.02% or less of S, 10.about.25% of Cr, 0.3.about.1.5% of Ti+Nb, 0.04% or less of N, 0.04% or less of O, and a balance of Fe and other unavoidable impurities, wherein a value defined by [(O+N).times.Cr] is 0.8 or less. In the flux cored wire for welding the ferrite stainless steel, a superior corrosion resistance and a superior cracking resistance are realized.
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