Process for the manufacture of continuous strip cast aluminum alloy suitable for can making
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United States of America Patent
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-
Jul 2, 1985
Issued Date -
N/A
app pub date -
Apr 8, 1983
filing date -
Jul 15, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Non-galling, low earing can stock suitable for deep drawing and wall-ironing into can bodies is prepared from continuously cast aluminum alloy strip of an inch or less in thickness. The strip material is heated to a temperature of from 950.degree. to 1150.degree. F. for a time sufficient to homogenize the alloy. The homogenized strip material is cold rolled to effect a first reduction in sheet thickness of at least 25%. The cold rolled sheet is heated to a recovery temperature of up to about 550.degree. F., and subjected to a second cold rolling to effect a reduction in thickness of up to 50%. The cold rolled sheet product is heated to the recrystallization temperature and then subjected to effect a final reduction in thickness of at least 50% of the original thickness of the sheet to impart an H19 temper to the sheet.
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