Iron-chrome aluminium-alloy
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United States of America Patent
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N/A
Issued Date -
Jul 8, 2004
app pub date -
Oct 27, 2003
filing date -
Apr 26, 2001
priority date (Note) -
Abandoned
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Abstract
The invention relates to an iron-chrome-aluminium-alloy with a high service life, comprising (in mass %)>2-3.6% aluminium and >10-20% chromium, and other added materials, namely, 0.1-1% Si, max. 0.5% Mn, 0.01-0.2% yttrium and/or 0.01-0.2% Hf and/or 0.01-0.3% Zr, max. 0.01% Mg, max. 0.01% Ca, max. 0.08% carbon, max. 0.04% nitrogen, max. 0.04% phosphorus, max. 0.01% sulphur, max. 0.05% copper and respectively max. 0.1% molybdenum and/or tungsten and the usual manufacture-related impurities, the remainder being iron.
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