Method of producing an aluminum alloy sheet excelling in formabi

Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt

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148523, 148527, 148692, C22F 104

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054862434

ABSTRACT:
A method including preparing an aluminum scrap containing a total of about 0.3 to 2.0 wt % of Fe and Si; melting and then adjusting the material composition so as to attain an Mg content of about 3 to 10 wt % or a composition further containing at least one of the elements Cu, Mn, Cr, Zr and Ti, each in the amount of 0.02 to 0.5 wt %; subjecting the material to casting, hot rolling, cold rolling and continuous annealing to obtain an aluminum alloy sheet having a tensile strength of about 31 kgf/mm.sup.2 or more; and applying a lubricant surface coating to impart a coefficient of friction of not more than about 0.11.

REFERENCES:
patent: 4282044 (1981-08-01), Robertson et al.
patent: 4812183 (1989-03-01), Sanders et al.
patent: 5062901 (1991-11-01), Tanaka et al.
Metals Handbook, "Forming of Nonferrous Metals"; American Society for Metals; 8th Edition, vol. 4 (Forming), pp. 379-380.

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