Patent ID: 9574253
Date: 2017-02-21
CPC Classifications: B23K,B32B,C22C,C22F,F28F,Y10T

Claim:
1. A fin member for a heat exchanger comprising an aluminum alloy material consisting essentially of Si: 1.5 mass % to 3.5 mass % and Fe: 0.01 mass % to 2.0 mass % and at least one of Ti: in an amount of >0 and ≦0.3 mass %, V: in an amount of >0 and ≦0.3 mass %, Cr: in an amount of >0 and ≦0.3 mass %, Ni: in an amount of >0 and ≦2.0 mass %, and Zr: in an amount of >0 and ≦0.3 mass %, Zn: in an amount of >0 and ≦6.0 mass %, In: in an amount of >0 and ≦0.3 mass %, and Sn: in an amount of >0 and ≦0.3 mass %, Be: in an amount of >0 and ≦0.1 mass %, Sr: in an amount of >0 and ≦0.1 mass %, Bi: in an amount of >0 and ≦0.1 mass %, Na: in an amount of >0 and ≦0.1 mass %, and Ca: in an amount of >0 and ≦0.05 mass %, with the balance being Al and inevitable impurities, wherein 1.3×10 wherein 1.3×10 wherein the aluminum alloy is heat bonded at a temperature at which a liquid phase ratio is 5% or more and 35% or less, with a single layer without the use of a brazing filler metal.