Metal treatment – Stock – Aluminum base
Patent
1988-04-13
1989-06-20
Dean, R.
Metal treatment
Stock
Aluminum base
148440, 420532, 420533, 420541, C22C 2100
Patent
active
048406856
ABSTRACT:
An aluminum alloy for the substrate of magnetic disk is disclosed, wherein 2 to 6 wt % of Mg and further either one or two of Cu within a range of 0.12 to 2.0 wt % and Zn within a range of 0.28 to 7.0 wt % are contained, and the remainder comprises of Al and inevitable impurities.
REFERENCES:
patent: 2301759 (1942-11-01), Stroup
Dean R.
Furukawa Aluminum Co., Ltd.
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