Steel sheet provided with a coating providing sacrificial cathodic protection comprising lanthane
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United States of America Patent
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Jun 9, 2020
Grant Date -
Jul 13, 2017
app pub date -
May 28, 2015
filing date -
May 28, 2014
priority date (Note) -
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Abstract
A steel sheet is provided with a coating providing sacrificial cathodic protection. The coating includes between 1 and 40% by weight zinc, between 0.01 and 0.4% by weight lanthanum, optionally up to 10% by weight magnesium, optionally up to 15% by weight silicon, and optionally up to 0.3% by weight, in cumulative amounts, of additional components, the remainder includes aluminum and unavoidable impurities or residual elements. A method of producing parts by hot or cold swaging and the parts which can be obtained in this way are also provided.
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