High carbon steel with superplasticity
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United States of America Patent
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May 19, 2009
Grant Date -
May 17, 2007
app pub date -
Jun 13, 2006
filing date -
Jun 13, 2005
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Abstract
A density reducing high carbon containing or UHC-steel and particular a superplastic steel, which besides iron and impurities conventionally accompanying steel, contains the following alloy components in wt. %: 0.8 to 2.5% C 3.5 to 15% Al 0.5 to 4% Cr 0.01 to 4% Si up to 4% Ni, Mn, Mo, Nb, Ta, V, and/or W, wherein the steel includes as additional alloy components 0.1 to 0.85 Sn, and 0 to 3% Ti, Be and/or Ga.
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