Aluminum alloy composition and methods of manufacture

Details Aluminum alloy composition and methods of manufacture Aluminum alloy composition and methods of manufacture

1995-03-01

1997-04-08

Simmons, David A.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148551, 148552, 148691, 148692, 148695, 148696, 148416, 148438, 420529, 420537, 420538, 420548, 420550, 420551, 420553, C22F 104

Patent

active

056183585

ABSTRACT:
A new aluminum based alloy having properties which mimic homogenized DC cast 3003 alloy and a low-cost method for manufacturing it are described. The alloy contains 0.40% to 0.70% Fe, 0.10% to less than 0.30% Mn, more than 0.10% to 0.25% Cu, less than 0.10% Si, optionally up to 0.10% Ti and the balance Al and incidental impurities. The alloy achieves properties similar to homogenized DC cast 3003 when continuously cast followed by cold rolling and if desired annealing at final gauge. Suprisingly no other heat treatments are required.

REFERENCES:
patent: 3814590 (1974-06-01), Bylund
patent: 3938991 (1976-02-01), Sperry et al.
patent: 4163665 (1979-08-01), Pearson
patent: 4715901 (1987-12-01), Granger
patent: 4945004 (1990-07-01), Sprintschnik et al.
Development of Continuously Cast High Quality Aluminum, Light Metals Age, Aug. 1994 by: M. Marsh, et al.
The Aluminum Association Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys. The Aluminum Association, 900 19th Street N.W. Washington, D.C. 20006; Feb. 1991.

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