Steel sheet provided with a corrosion protection system and method for coating steel sheet with such a corrosion protection system
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United States of America Patent
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Issued Date -
Jan 7, 2010
app pub date -
May 18, 2007
filing date -
May 18, 2006
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Abandoned
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Abstract
A flat steel product provided with a coating system, which in the coated state possesses an optimized combination of corrosion resistance and welding capacity, includes a base layer formed from a steel and a corrosion protection system applied onto the base layer. The corrosion protection system comprises a metallic coating less than 3.5 μm thick, formed from a first metallic layer applied onto the base layer and a second metallic layer applied onto the first metallic layer, wherein the second metallic layer has formed a metallic alloy with the first metallic layer. The corrosion protection system also comprises a plasma polymer layer applied onto the metallic coating.
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