Method of producing an aluminum alloy sheet excelling in formabi

Details Method of producing an aluminum alloy sheet excelling in formabi Method of producing an aluminum alloy sheet excelling in formabi

1993-10-12

1996-01-23

Simmons, David A.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148523, 148527, 148692, C22F 104

Patent

active

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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