High-energy weldable soft magnetic steel and its use for parts of magnetic suspension railways
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United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Feb 5, 1999
filing date -
Aug 10, 1996
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Expired
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Abstract
A high-energy weldable soft magnetic steel with high toughness in the heat-affected zone of weld joints, high specific electric resistance to reduce eddy currents, aging resistance and weathering resistance comprises 0.65 to <1.0% chromium, >1.0 to 2.0% silicon, 0.25 to 0.55% copper, 0.003 to 0.008% nitrogen, 0.15 to <0.6% manganese, 0.02 to 0.07% aluminum.sub.solu., 0.01 to 0.02% titanium, 0 to 0.15% carbon, 0 to 0.045% phosphorus, the balance iron and unavoidable impurities.
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