Ladle steelmaking method and apparatus
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United States of America Patent
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Sep 17, 1985
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N/A
app pub date -
Nov 30, 1982
filing date -
Nov 30, 1982
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Expired
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Abstract
A ladle steelmaking process in which ramp modulation of vacuum boil, voltage shedding to avoid glow and multiple stirring sources are employed individually, or in any combination, with the basic vacuum are degassing parameters (vacuum, purging and AC area) to shorten cycle time, and apparatus therefore.
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