Patent ID: 8999083
Filing Date: 2015-04-07
Classification: B23K,B23P,C22C,C22F,F28F

Abstract:
1. An aluminum alloy fin material for a heat exchanger comprising Si: 0.7 to 1.4 wt %, Fe: 0.80 to less than 1.20 wt %, Mn: 0.8 to 1.3 wt %, Zn: 0.5 to 2.5 wt %, Mg limited to 0.05 wt % or less, and the balance of unavoidable impurities and Al, and having a tensile strength after brazing of 130 MPa or more, a yield strength after brazing of 45 MPa or more, a recrystallized grain size after brazing of 2200 μm or more, and an electrical conductivity after brazing of 47% IACS or more, and wherein said aluminum alloy fin material has undergone brazing.