Metal treatment – Compositions – Heat treating
Patent
1976-02-12
1978-07-04
Dean, R.
Metal treatment
Compositions
Heat treating
75148, 148 115A, 148 315, 148 32, 204 29, 204 58, C22F 104
Patent
active
040986195
ABSTRACT:
An improved aluminum alloy, temper insensitive to color anodizing, consists essentially of, by weight, 0.40-0.60% Si, 0.20-0.40% Fe, 0.30-0.60% Mn, the balance essentially aluminum and incidental elements and impurities in an amount insufficient to render the alloy temper sensitive to anodizing.
REFERENCES:
patent: 2262696 (1941-11-01), Nock et al.
patent: 3475167 (1969-10-01), Beatty et al.
Alexander Andrew
Aluminum Company of America
Dean R.
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