To provide an aluminum alloy brazing sheet for a heat exchanger, having excellent corrosion resistance from the outside, maintaining high strength, and meeting the requirements of reducing the thickness thereof.
The aluminum alloy brazing sheet for a heat exchanger is provided with: a core material; a sacrificial anode layer arranged at one face side of the core material; and a brazing filler metal layer arranged at the other face side and composed of an Al-Si based alloy, wherein the core material has a composition comprising, by mass, 0.3 to 1.5% Si, 0.5 to 1.8% Mn, 0.05 to 0.5% Mg, 0.05 to 0.35% Ti and 1.0% Cu, and the balance Al with inevitable impurities, the sacrificial anode layer has a composition comprising, by mass, 0.03 to 1.5% Si, 1.8% Mn and 2.5 to 7.0% Zn, and the balance Al with inevitable impurities, and the brazing filler metal layer has a composition comprising, by mass, 7.0 to 13.0% Si and 3.0% Cu, the brazing filler metal layer having the Cu content higher than that in the core material.
TSURUNO AKIHIRO
KATO YOSHINORI
| JP2007247021A | 2007-09-27 | |||
| JP2004035966A | 2004-02-05 | |||
| JP2002294377A | 2002-10-09 | |||
| JP2002294377A | 2002-10-09 | |||
| JP2007247021A | 2007-09-27 | |||
| JP2004035966A | 2004-02-05 |
Etsuo Tada
Tetsuo Tomita