Hydrogen peroxide pickling scheme for stainless steel grades
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United States of America Patent
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Nov 11, 2003
Grant Date -
Nov 28, 2002
app pub date -
Apr 9, 2002
filing date -
Apr 9, 2001
priority date (Note) -
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Abstract
The present invention relates to a process for pickling hot rolled, hot rolled & annealed, and cold rolled & annealed stainless steel strip in a continuous fashion. The process comprises a series of pre-pickling tanks and pickling tanks, and optionally includes a scrubber-brush tank, a de-smutting tank, a filtration unit and a heat exchanger.
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