METHOD OF MANUFACTURING A ZINC-NICKEL ALLOY ELECTROPLATED STEEL SHEET
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Sep 7, 2023
filing date -
Sep 7, 2023
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Abstract
Provided is a method of manufacturing a zinc-nickel alloy electroplated steel sheet. The method includes operations of: temper rolling a base steel sheet; immersing the temper-rolled base steel sheet in a sulfuric acid bath including nickel sulfate hydrate and zinc sulfate hydrate to form a zinc-nickel plating layer on the base steel sheet; and polishing the zinc-nickel plating layer and processing a hairline pattern.
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