Surface-treated steel sheet, process for producing the same and resin-coated surface-treated steel sheet
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United States of America Patent
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Dec 8, 2020
Grant Date -
Sep 7, 2017
app pub date -
Mar 11, 2015
filing date -
Sep 12, 2014
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Abstract
A surface-treated steel sheet for cans forming a coating of a compound containing chiefly Zr and containing F, the amount of Zr being 80 to 200 mg/m2 and the amount of F being not less than 12 mg/m2 in the coating on the surface that becomes the outer surface side of the can. The surface-treated steel sheet is capable of effectively preventing the resin coating from peeling on the outer surface side of the can at dented portions.
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