USE OF AN IRON-CHROMIUM-ALUMINUM ALLOY WITH LONG SERVICE LIFE AND MINOR CHANGES IN HEAT RESISTANCE
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Issued Date -
Apr 15, 2010
app pub date -
Jan 15, 2008
filing date -
Jan 29, 2007
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Abandoned
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Abstract
Use of an iron-chromium-aluminum alloy with long service life and minor changes in heat resistance as a foil for heating elements, the foil having a thickness ranging from 0.020 to 0.300 μm. The alloy contains (in percentages by weight) 4.5-6.5% Al and 16-24% Cr, to which are added 0.05-0.7% Si, 0.001-0.5% Mn, 0.02-0.1% Y, 0.02-0.1% Zr, 0.02-0.1% Hf, 0.003-0.020% C, maximum 0.03% N, maximum 0.01% S and maximum 0.5% Cu, the remainder being iron and the usual impurities resulting from the melting process.
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