Process for coating a ferritic stainless steel strip with aluminum by hot quenching
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United States of America Patent
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Oct 25, 1994
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N/A
app pub date -
Apr 5, 1993
filing date -
Jul 16, 1990
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Abstract
A process for coating a steel strip, particularly ferritic stainless steel, with aluminum by hot quenching, in which the strip is preheated to a temperature less than 500.degree. C. in a first non-oxidizing atmosphere containing a quantity of oxygen less than 3%, the strip is then heated to a temperature less than 950.degree. C. in a second non-oxidizing atmosphere, the strip is then conveyed to an atmosphere (3, 4) which is non-reactive at the coating temperature, and, finally, the strip is quenched in a coating bath.
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