Metal treatment – Compositions – Heat treating
Patent
1981-03-12
1983-10-25
Dean, R.
Metal treatment
Compositions
Heat treating
148 115A, 148439, 148440, C22F 104
Patent
active
044117078
ABSTRACT:
An aluminum container scrap alloy is processed by a modified chill roll cast process into a highly formable sheet material suitable for use as a container end stock, by employing at least a 60% cold reduction followed by an anneal for about two hours at a temperature of from about 825.degree. F. to about 900.degree. F., followed by cold reduction to final gauge.
REFERENCES:
patent: 3930895 (1976-01-01), Moser et al.
patent: 4282044 (1981-08-01), Robertson et al.
Brennecke Paul
McAuliffe Donald C.
Berkstresser Jerry W.
Coors Container Company
Dean R.
Klaas Bruce G.
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