High strength steel plate having superior electromagnetic shielding and hot-dip galvanizing properties
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United States of America Patent
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-
Sep 6, 2005
Grant Date -
Mar 27, 2003
app pub date -
Dec 19, 2001
filing date -
Dec 19, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The steel plate is manufactured from a composition comprising C, N and S in an amount of 0.0150% by weight or less in total; Mn in an amount of 0.2 to 0.8% by weight; Al inan amount of 0.6% by weight or less; Si in an amount of 0.4% by weight or less; Cu and/or Sn in an amount of 0.1 to 0.6% by weight in total; and Fe for the remainder, and inevitably present elements, whereby the steel plate can show excellent electromagnetic shield effect and hot-dip galvanization properties.
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- Non-US Classification not provided for expired patents
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