Aluminum brazing sheet

Details Aluminum brazing sheet Aluminum brazing sheet

1977-11-25

1978-07-04

Steiner, Arthur J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

B32B 1520

Patent

active

040989577

ABSTRACT:
An aluminum brazing sheet comprises a core of an aluminum alloy and a first layer of an aluminum brazing alloy provided on at least one side of the core to form a composite. A second layer of an aluminum alloy is clad on both sides of the composite. The aluminum alloy of the second layer contains 0.5 to 1.2 wt.% Mg and 1.2 to 1.8 wt.% Si. In addition, the aluminum alloy of the second layer can contain 0.2 wt.% Cu max., 0.7 wt.% Fe max., 1.5 wt.% Mn max., the remainder aluminum and incidental impurities. The second layer has a melting point substantially equivalent to the melting point of the brazing layer.

REFERENCES:
patent: 2821014 (1958-01-01), Miller
patent: 3321828 (1967-05-01), Miller et al.
patent: 3891400 (1975-06-01), Robinson
patent: 3963454 (1976-06-01), Singleton, Jr.
patent: 3994695 (1976-11-01), Setzer et al.

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