Aluminum alloy sheet product suitable for heat exchanger fins an

Metal treatment – Compositions – Heat treating

Patent

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Details

148 115A, 148 127A, 148415, 148416, 148437, 148438, C22F 104, C22C 2104

Patent

active

044090366

ABSTRACT:
A wrought aluminum alloy sheet product suitable for forming into heat exchanger fins is disclosed. The sheet product contains essentially 2 to 13 wt. % Si, 4 max, wt. % Zn, 0.005 to 0.5 wt. % Sr, up to 1 wt. % each of Fe and Cu, the balance essentially aluminum and incidental impurities. The sheet product is characterized by a substantially uniform distribution of relatively fine generally equiaxed constituents comprised mainly of elemental silicon.

REFERENCES:
patent: 3843333 (1974-10-01), Woods
patent: 3926690 (1975-12-01), Morris et al.
patent: 4002502 (1977-01-01), Bainbridge et al.
patent: 4068645 (1978-01-01), Jenkinson
patent: 4077810 (1978-03-01), Ohuchi et al.
patent: 4126448 (1978-11-01), Moore et al.

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