High strength aluminium alloy brazing sheet, brazed assembly...

Details High strength aluminium alloy brazing sheet, brazed assembly... High strength aluminium alloy brazing sheet, brazed assembly...

2007-06-05

2007-06-05

Zimmerman, John J. (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

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

C148S523000, C148S535000, C228S235300, C228S262510, C165S905000

Reexamination Certificate

active

10926287

ABSTRACT:
The present invention a high strength aluminium alloy brazing sheet, comprising an Al—Zn core layer and at least one clad layer, the core layer including the following composition (in weight percent):Zn1.2 to 5.5Mg0.8 to 3.0Mn0.1 to 1.0Cu<0.2Si <0.35Fe<0.5optionally one or more of:Zr<0.3Cr<0.3V<0.3Ti<0.2Hf<0.3Sc<0.5,the balance aluminium and incidental elements and impurities. The clad layer includes an Al—Si based filler alloy and is applied on at least one side of the core layer. The invention relates furthermore to a brazed assembly including such brazing sheet, to the use of such brazing sheet and to method for producing an aluminium alloy brazing sheet.

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