Method of working a hot-rolled strip
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United States of America Patent
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Jan 20, 1998
Grant Date -
N/A
app pub date -
Apr 22, 1996
filing date -
Apr 21, 1995
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Abstract
The invention relates to a method of working a hot-rolled stainless steel strip, particularly an austenitic stainless strip, with the intention of reducing the thickness and enhancing the mechanical strength of the strip. The method is characterized by cold-rolling the hot-rolled strip with at least a 10% thickness reduction to a thickness which is at least 2% and at most 10% greater than the intended final thickness of the finished product; annealing the thus cold-rolled strip at a temperature of between 1,050.degree. C. and 1,250.degree. C.; and cold-stretching the strip after the annealing process so as to plasticize and permanently elongate the strip and therewith reducing its thickness by 2-10%.
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