Brazing fin material for heat exchangers, heat exchanger, and method of manufacturing same

摘要

A brazing fin material for heat exchangers includes a core material and a filler metal clad on each side of the core material, wherein the core material is an aluminum alloy including manganese, the filler metal is an aluminum alloy including 6 to 9.5 mass % of silicon, silicon particles in the filler metal have an average circle equivalent diameter of 3μm or less, and the brazing fin material has a thickness of 0.06 mm or less.