Aluminum alloy sheet product suitable for heat exchanger fins an

Details Aluminum alloy sheet product suitable for heat exchanger fins an Aluminum alloy sheet product suitable for heat exchanger fins an

1980-12-23

1983-10-11

Dean, R.

Metal treatment

Compositions

Heat treating

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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