Aluminum alloy fin material for brazing

Details Aluminum alloy fin material for brazing Aluminum alloy fin material for brazing

2007-08-20

2010-12-14

Kastler, Scott (Department: 1793)

Metal treatment

Stock

Aluminum base

C148S552000, C420S548000, C420S550000

Reexamination Certificate

active

07850796

ABSTRACT:
An aluminum alloy fin material for brazing, characterized by comprising an aluminum alloy comprising more than 1.4% by mass but not more than 1.8% by mass of Fe, 0.8% by mass or more but 1.0% by mass or less of Si, and more than 0.6% by mass but not more than 0.9% by mass of Mn, with the balance being Al and inevitable impurities,wherein 80% or more of the surface area, as viewed from the surface layer of the fin plane, is occupied by recrystallized grains with a length of 10 mm or more, in a direction rolled.

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Machine translation of JP 2005139505 A.
European Search Report dated Aug. 30, 2006, issued in corresponding European application 06003274.
Concise explanation of documents for JP-A-7-216485, JP-A-8-104934 and JP-A-2002-256402.
Japanese Office Action dated Jul. 27, 2010, with Notice of Reasons for Rejection, in JP Patent Application No. 2005-041207.

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