Process for manufacturing aluminum alloy

Details Process for manufacturing aluminum alloy Process for manufacturing aluminum alloy

C - Chemistry, Metallurgy

22

F

148/10

C22F 1/04 (2006.01)

Patent

CA 1199557

ABSTRACT OF THE DISCLOSURE 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 to 1150°F for a time sufficient to homogenize the alloy. The homogenized strip material is cold rolled to effect a first reduction in sheet thick- ness of at least 25%. The cold rolled sheet is heated to a recovery temperature of up to about 550°F, and subjected to a second cold rolling to effect a reduction in thickness of up to 30%. 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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