Process for the electrolytic pickling of high-grade steel strip
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United States of America Patent
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Jun 11, 1991
Grant Date -
N/A
app pub date -
Sep 13, 1989
filing date -
Sep 14, 1988
priority date (Note) -
Expired
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Abstract
In a process for the electrolytic pickling of a high-grade steel strip, in particular a hot strip of high-grade steel, the hot strip of high-grade steel is alternately anodically and cathodically pickled in an aqueous solution of Na.sub.2 SO.sub.4 and subsequently in an aqueous solution of NaNO.sub.3 and NaF, as a result of which the formation of dangerous nitrous gases is prevented.
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