Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Reexamination Certificate
2004-04-09
2008-08-26
Ip, Sikyin (Department: 1793)
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
C148S684000, C148S685000
Reexamination Certificate
active
07416620
ABSTRACT:
The invention relates to a copper alloy having high recrystallization temperature and good conductivity used in brazed heat exchangers which alloy consists of 0.1 to 0.3% in weight chromium. The invention also relates to a method for the manufacturing of the alloy which method consists of the following steps: casting, cold working, annealing and another cold working before brazing.
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Östlund Sture
Sundberg Mariann
Sundberg Rolf
Ip Sikyin
Luvata Oy
Smith-Hill and Bedell
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