Metal treatment – Compositions – Heat treating
Patent
1990-09-05
1992-04-21
Dean, R.
Metal treatment
Compositions
Heat treating
148 115A, 148437, 148439, 148440, C22F 104
Patent
active
051064294
ABSTRACT:
A process for the production of strip stock from an alloy is provided. The strip stock produced from the alloy is suitable for the fabrication of both container ends and container bodies in thinner gauges than are typically employed, has low earing characteristics and may be derived from recycled aluminum scrap. The alloy preferably has a magnesium concentration of from about 2 to about 2.8 weight percent and a manganese concentration of from about 0.9 to about 1.6 weight percent. The process preferably includes continuous chill block casing the alloy melt into a strip, hot rolling the strip to a first thickness, annealing the hot rolled strip and then cold rolling the annealed strip to a final thickness. Cold rolling preferably includes two stages, with an intermediate anneal step between the two stages. The process increases tensile and yield strength while decreasing earing texture, even in very thin gauges, such as 0.010 inches.
REFERENCES:
patent: 3219492 (1965-11-01), Anderson et al.
patent: 3379583 (1968-04-01), Gruhl et al.
patent: 3397044 (1968-08-01), Bylund
patent: 3560269 (1971-02-01), Anderson et al.
patent: 3563815 (1971-02-01), Meier et al.
patent: 3571910 (1971-03-01), Bylund
patent: 3709281 (1973-01-01), Bolliger
patent: 3744545 (1973-07-01), Gyongyos
patent: 3747666 (1973-07-01), Gyongyos
patent: 3759313 (1973-09-01), Gyongyos
patent: 3774670 (1973-11-01), Gyongyos
patent: 3787248 (1974-01-01), Setzer et al.
patent: 3909316 (1975-09-01), Hirata
patent: 3930895 (1976-01-01), Moser et al.
patent: 4235646 (1980-11-01), Neufeld et al.
patent: 4238248 (1980-12-01), Gyongyos et al.
patent: 4269632 (1981-05-01), Robertson et al.
patent: 4282044 (1981-08-01), Robertson et al.
patent: 4318755 (1982-03-01), Jeffrey et al.
patent: 4411707 (1983-10-01), Brennecke et al.
patent: 4582541 (1986-04-01), Dean et al.
patent: 4976790 (1990-12-01), McAuliffe et al.
Marsh Ivan M.
McAuliffe Donald C.
Dean R.
Golden Aluminum Company
Koehler Robert R.
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