Steel sheet with hot dip galvanized zinc alloy coating and process to produce it
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United States of America Patent
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Jun 13, 2017
Grant Date -
Oct 9, 2014
app pub date -
Jun 18, 2014
filing date -
Jun 29, 2004
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Abstract
Steel strip provided with a hot dip galvanized zinc alloy coating layer, in which the coating of the steel strip is carried out in a bath of molten zinc alloy, the zinc alloy in the coating of: 0.3-2.3 weight % magnesium; 0.6-2.3 weight % aluminum; optional <0.2 weight % of one or more additional elements; unavoidable impurities; the remainder being zinc in which the zinc alloy coating layer has a thickness of 3-12 μm.
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